process start - Page 230

Creating an HttpHandler to handle request of your own extension

- by Jalpesh P. Vadgama

I have already posted about http handler in details before some time here. Now let’s create an http handler which will handle my custom extension. For that we need to create a http handlers class which will implement Ihttphandler. As we are implementing IHttpHandler we need to implement one method called process request and another one is isReusable property. The process request function will handle all the request of my custom extension. so Here is the code for my http handler class. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; namespace Experiement { public class MyExtensionHandler:IHttpHandler { public MyExtensionHandler() { //Implement intialization here } bool IHttpHandler.IsReusable { get { return true; } } void IHttpHandler.ProcessRequest(HttpContext context) { string excuttablepath = context.Request.AppRelativeCurrentExecutionFilePath; if (excuttablepath.Contains("HelloWorld.dotnetjalps")) { Page page = new HelloWorld(); page.AppRelativeVirtualPath = context.Request.AppRelativeCurrentExecutionFilePath; page.ProcessRequest(context); } } } } Here in above code you can see that in process request function I am getting current executable path and then I am processing that page. Now Lets create a page with extension .dotnetjalps and then we will process this page with above created http handler. so let’s create it. It will create a page like following. Now let’s write some thing in page load Event like following. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace Experiement { public partial class HelloWorld : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Response.Write("Hello World"); } } } Now we have to tell our web server that we want to process request from this .dotnetjalps extension through our custom http handler for that we need to add a tag in httphandler sections of web.config like following. <configuration> <system.web> <compilation debug="true" targetFramework="4.0" /> <httpHandlers> <add verb="*" path="*.dotnetjalps" type="Experiement.MyExtensionHandler,Experiement"/> </httpHandlers> </system.web> </configuration> That’s it now run that page into browser and it will execute like following in browser That’s you.. Isn’t it cool.. Stay tuned for more.. Happy programming.. Technorati Tags: HttpHandler,ASP.NET,Extension

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Silverlight Recruiting Application Part 6 - Adding an Interview Scheduling Module/View

Between the last post and this one I went ahead and carried the ideas for the Jobs module and view into the Applicants module and view- they're both doing more or less the same thing, except with different objects being at their core. Made for an easy cut-and-paste operation with a few items being switched from one to another. Now that we have the ability to add postings and applicants, wouldn't it be nice if we could schedule an interview? Of course it would! Scheduling Module I think you get the drift from previous posts that these project structures start looking somewhat similar. The interview scheduling module is no different than the rest- it gets a SchedulingModule.cs file at the root that inherits from IModule, and there is a single SchedulerView.xsml and SchedulerViewModel.cs setup for our V+VM. We have one unique concern as we enter into this- RadScheduler deals with AppointmentsSource, not ItemsSource, so there are some special considerations to take into account when planning this module. First, I need something which inherits from AppointmentBase. This is the core of the RadScheduler appointment, and if you are planning to do any form of custom appointment, you'll want it to inherit from this. Then you can add-on functionality as needed. Here is my addition to the mix, the InterviewAppointment: 01.public class InterviewAppointment : AppointmentBase 02.{ 03. private int _applicantID; 04. public int ApplicantID 05. { 06. get { return this._applicantID; } 07. set 08. { 09. if (_applicantID != value) 10. { 11. _applicantID = value; 12. OnPropertyChanged("ApplicantID"); 13. } 14. } 15. } 16. 17. private int _postingID; 18. public int PostingID 19. { 20. get { return _postingID; } 21. set 22. { 23. if (_postingID != value) 24. { 25. _postingID = value; 26. OnPropertyChanged("PostingID"); 27. } 28. } 29. } 30. 31. private string _body; 32. public string Body 33. { 34. get { return _body; } 35. set 36. { 37. if (_body != value) 38. { 39. _body = value; 40. OnPropertyChanged("Body"); 41. } 42. } 43. } 44. 45. private int _interviewID; 46. public int InterviewID 47. { 48. get { return _interviewID; } 49. set 50. { 51. if (_interviewID != value) 52. { 53. _interviewID = value; 54. OnPropertyChanged("InterviewID"); 55. } 56. } 57. } 58. 59. public override IAppointment Copy() 60. { 61. IAppointment appointment = new InterviewAppointment(); 62. appointment.CopyFrom(this); 63. return appointment; 64. } 65. 66. public override void CopyFrom(IAppointment other) 67. { 68. base.CopyFrom(other); 69. var appointment = other as InterviewAppointment; 70. if (appointment != null) 71. { 72. ApplicantID = appointment.ApplicantID; 73. PostingID = appointment.PostingID; 74. Body = appointment.Body; 75. InterviewID = appointment.InterviewID; 76. } 77. } 78.} Nothing too exciting going on here, we just make sure that our custom fields are persisted (specifically set in CopyFrom at the bottom) and notifications are fired- otherwise this ends up exactly like the standard appointment as far as interactions, etc. But if we've got custom appointment items... that also means we need to customize what our appointment dialog window will look like. Customizing the Edit Appointment Dialog This initially sounds a lot more intimidating than it really is. The first step here depends on what you're dealing with for theming, but for ease of everything I went ahead and extracted my templates in Blend for RadScheduler so I could modify it as I pleased. For the faint of heart, the RadScheduler template is a few thousand lines of goodness since there are some very complex things going on in that control. I've gone ahead and trimmed down the template parts I don't need as much as possible, so what is left is all that is relevant to the Edit Appointment Dialog. Here's the resulting Xaml, with line numbers, so I can explain further: 001.<UserControl.Resources> 002.  003. <helpers:DataContextProxy x:Key="DataContextProxy" /> 004. 005. <telerik:Windows7Theme x:Key="Theme" /> 006. <SolidColorBrush x:Key="DialogWindowBackground" 007. Color="White" /> 008. <SolidColorBrush x:Key="CategorySelectorBorderBrush" 009. Color="#FFB1B1B1" /> 010. <LinearGradientBrush x:Key="RadToolBar_InnerBackground" 011. EndPoint="0.5,1" 012. StartPoint="0.5,0"> 013. <GradientStop Color="#FFFDFEFF" 014. Offset="0" /> 015. <GradientStop Color="#FFDDE9F7" 016. Offset="1" /> 017. <GradientStop Color="#FFE6F0FA" 018. Offset="0.5" /> 019. <GradientStop Color="#FFDCE6F4" 020. Offset="0.5" /> 021. </LinearGradientBrush> 022. <Style x:Key="FormElementTextBlockStyle" 023. TargetType="TextBlock"> 024. <Setter Property="HorizontalAlignment" 025. Value="Right" /> 026. <Setter Property="VerticalAlignment" 027. Value="Top" /> 028. <Setter Property="Margin" 029. Value="15, 15, 0, 2" /> 030. </Style> 031. <Style x:Key="FormElementStyle" 032. TargetType="FrameworkElement"> 033. <Setter Property="Margin" 034. Value="10, 10, 0, 2" /> 035. </Style> 036. <SolidColorBrush x:Key="GenericShallowBorderBrush" 037. Color="#FF979994" /> 038. <telerik:BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" /> 039. <telerikScheduler:ImportanceToBooleanConverter x:Key="ImportanceToBooleanConverter" /> 040. <telerikScheduler:NullToVisibilityConverter x:Key="NullToVisibilityConverter" /> 041. <telerikScheduler:InvertedNullToVisibilityConverter x:Key="InvertedNullToVisibilityConverter" /> 042. <scheduler:ResourcesSeparatorConverter x:Key="ResourcesSeparatorConverter" /> 043. <DataTemplate x:Key="IconDataEditTemplate"> 044. <Image Source="/Telerik.Windows.Controls.Scheduler;component/Themes/Office/Images/cal.png" 045. Margin="3,3,0,0" 046. Width="16" 047. Height="16" /> 048. </DataTemplate> 049. <DataTemplate x:Key="SingleSelectionTemplate"> 050. <Grid VerticalAlignment="Stretch" 051. HorizontalAlignment="Stretch"> 052. <Grid.RowDefinitions> 053. <RowDefinition Height="Auto" /> 054. </Grid.RowDefinitions> 055. <Grid.ColumnDefinitions> 056. <ColumnDefinition Width="Auto" 057. MinWidth="84" /> 058. <ColumnDefinition Width="Auto" 059. MinWidth="200" /> 060. </Grid.ColumnDefinitions> 061. <TextBlock x:Name="SelectionNameLabel" 062. Margin="0,13,4,2" 063. Text="{Binding ResourceType.DisplayName}" 064. Style="{StaticResource FormElementTextBlockStyle}" 065. Grid.Column="0" /> 066. <telerikInput:RadComboBox ItemsSource="{Binding ResourceItems}" 067. Width="185" 068. Margin="5,10,20,2" 069. HorizontalAlignment="Left" 070. Grid.Column="1" 071. ClearSelectionButtonVisibility="Visible" 072. ClearSelectionButtonContent="Clear All" 073. DisplayMemberPath="Resource.DisplayName" 074. telerik:StyleManager.Theme="{StaticResource Theme}" 075. SelectedItem="{Binding SelectedItem, Mode=TwoWay}" /> 076. </Grid> 077. </DataTemplate> 078. <DataTemplate x:Key="MultipleSelectionTemplate"> 079. <Grid VerticalAlignment="Stretch" 080. HorizontalAlignment="Stretch"> 081. <Grid.RowDefinitions> 082. <RowDefinition Height="Auto" /> 083. </Grid.RowDefinitions> 084. <Grid.ColumnDefinitions> 085. <ColumnDefinition Width="Auto" 086. MinWidth="84" /> 087. <ColumnDefinition Width="Auto" 088. MinWidth="200" /> 089. </Grid.ColumnDefinitions> 090. <TextBlock x:Name="SelectionNameLabel" 091. Grid.Column="0" 092. Text="{Binding ResourceType.DisplayName}" 093. Margin="0,13,4,2" 094. Style="{StaticResource FormElementTextBlockStyle}" /> 095. <telerikInput:RadComboBox Grid.Column="1" 096. Width="185" 097. HorizontalAlignment="Left" 098. Margin="5,10,20,2" 099. ItemsSource="{Binding ResourceItems}" 100. SelectedIndex="{Binding SelectedIndex, Mode=TwoWay}" 101. ClearSelectionButtonVisibility="Visible" 102. ClearSelectionButtonContent="Clear All" 103. telerik:StyleManager.Theme="{StaticResource Theme}"> 104. <telerikInput:RadComboBox.ItemTemplate> 105. <DataTemplate> 106. <Grid HorizontalAlignment="Stretch" 107. VerticalAlignment="Stretch"> 108. <CheckBox VerticalAlignment="Center" 109. HorizontalContentAlignment="Stretch" 110. VerticalContentAlignment="Center" 111. IsChecked="{Binding IsChecked, Mode=TwoWay}" 112. Content="{Binding Resource.DisplayName}"> 113. <CheckBox.ContentTemplate> 114. <DataTemplate> 115. <TextBlock HorizontalAlignment="Stretch" 116. VerticalAlignment="Stretch" 117. Text="{Binding Content, RelativeSource={RelativeSource TemplatedParent}}" /> 118. </DataTemplate> 119. </CheckBox.ContentTemplate> 120. </CheckBox> 121. </Grid> 122. </DataTemplate> 123. </telerikInput:RadComboBox.ItemTemplate> 124. </telerikInput:RadComboBox> 125. </Grid> 126. </DataTemplate> 127. <scheduler:ResourceTypeTemplateSelector x:Key="ItemTemplateSelector" 128. MultipleSelectionTemplate="{StaticResource MultipleSelectionTemplate}" 129. SingleSelectionTemplate="{StaticResource SingleSelectionTemplate}" /> 130.  131. 132. <ControlTemplate x:Key="EditAppointmentTemplate" 133. TargetType="telerikScheduler:AppointmentDialogWindow"> 134. <StackPanel Background="{TemplateBinding Background}" 135. UseLayoutRounding="True"> 136. <StackPanel Grid.Row="0" 137. Orientation="Horizontal" 138. Background="{StaticResource RadToolBar_InnerBackground}" 139. Grid.ColumnSpan="2" 140. Height="0"> 141.  142. <Border Margin="1,1,0,0" 143. Background="#50000000" 144. HorizontalAlignment="Left" 145. VerticalAlignment="Center" 146. Width="2" 147. Height="16"> 148. <Border Margin="0,0,1,1" 149. Background="#80FFFFFF" 150. HorizontalAlignment="Left" 151. Width="1" /> 152. </Border> 153. <Border Margin="1,1,0,0" 154. Background="#50000000" 155. HorizontalAlignment="Left" 156. VerticalAlignment="Center" 157. Width="2" 158. Height="16"> 159. <Border Margin="0,0,1,1" 160. Background="#80FFFFFF" 161. HorizontalAlignment="Left" 162. Width="1" /> 163. </Border> 164. <TextBlock telerik:LocalizationManager.ResourceKey="ShowAs" 165. VerticalAlignment="Center" 166. Margin="5,0,0,0" /> 167. <telerikInput:RadComboBox ItemsSource="{TemplateBinding TimeMarkers}" 168. Width="100" 169. Height="20" 170. VerticalAlignment="Center" 171. Margin="5,0,0,0" 172. ClearSelectionButtonVisibility="Visible" 173. ClearSelectionButtonContent="Clear" 174. SelectedItem="{Binding TimeMarker,RelativeSource={RelativeSource TemplatedParent},Mode=TwoWay}" 175. telerik:StyleManager.Theme="{StaticResource Theme}"> 176. <telerikInput:RadComboBox.ItemTemplate> 177. <DataTemplate> 178. <StackPanel Orientation="Horizontal"> 179. <Rectangle Fill="{Binding TimeMarkerBrush}" 180. Margin="2" 181. Width="12" 182. Height="12" /> 183. <TextBlock Text="{Binding TimeMarkerName}" 184. Margin="2" /> 185. </StackPanel> 186. </DataTemplate> 187. </telerikInput:RadComboBox.ItemTemplate> 188. </telerikInput:RadComboBox> 189. <telerik:RadToggleButton x:Name="High" 190. BorderThickness="0" 191. Background="{StaticResource RadToolBar_InnerBackground}" 192. DataContext="{TemplateBinding EditedAppointment}" 193. telerik:StyleManager.Theme="{StaticResource Theme}" 194. IsChecked="{Binding Importance,Mode=TwoWay, Converter={StaticResource ImportanceToBooleanConverter},ConverterParameter=High}" 195. Margin="2,2,0,2" 196. Width="23" 197. Height="23" 198. HorizontalContentAlignment="Center" 199. ToolTipService.ToolTip="High importance" 200. CommandParameter="High" 201. Command="telerikScheduler:RadSchedulerCommands.SetAppointmentImportance"> 202. <StackPanel HorizontalAlignment="Center"> 203. <Path Stretch="Fill" 204. Height="10" 205. HorizontalAlignment="Center" 206. VerticalAlignment="Top" 207. Width="5.451" 208. Data="M200.39647,58.840393 C200.39337,58.336426 201.14566,57.683922 202.56244,57.684292 C204.06589,57.684685 204.73764,58.357765 204.72783,58.992363 C205.04649,61.795574 203.04713,64.181099 202.47388,66.133446 C201.93753,64.154961 199.9471,61.560352 200.39647,58.840393 z"> 209. <Path.Fill> 210. <LinearGradientBrush EndPoint="1.059,0.375" 211. StartPoint="-0.457,0.519"> 212. <GradientStop Color="#FFFF0606" 213. Offset="0.609" /> 214. <GradientStop Color="#FFBF0303" 215. Offset="0.927" /> 216. </LinearGradientBrush> 217. </Path.Fill> 218. </Path> 219. <Ellipse Height="3" 220. HorizontalAlignment="Center" 221. Margin="0,-1,0,0" 222. VerticalAlignment="Top" 223. Width="3"> 224. <Ellipse.Fill> 225. <RadialGradientBrush> 226. <GradientStop Color="#FFFF0606" 227. Offset="0" /> 228. <GradientStop Color="#FFBF0303" 229. Offset="1" /> 230. </RadialGradientBrush> 231. </Ellipse.Fill> 232. </Ellipse> 233. </StackPanel> 234. </telerik:RadToggleButton> 235. <telerik:RadToggleButton x:Name="Low" 236. HorizontalContentAlignment="Center" 237. BorderThickness="0" 238. Background="{StaticResource RadToolBar_InnerBackground}" 239. DataContext="{TemplateBinding EditedAppointment}" 240. IsChecked="{Binding Importance,Mode=TwoWay, Converter={StaticResource ImportanceToBooleanConverter},ConverterParameter=Low}" 241. Margin="0,2,0,2" 242. Width="23" 243. Height="23" 244. ToolTipService.ToolTip="Low importance" 245. CommandParameter="Low" 246. telerik:StyleManager.Theme="{StaticResource Theme}" 247. Command="telerikScheduler:RadSchedulerCommands.SetAppointmentImportance"> 248. <Path Stretch="Fill" 249. Height="12" 250. HorizontalAlignment="Center" 251. VerticalAlignment="Top" 252. Width="9" 253. Data="M222.40353,60.139881 L226.65768,60.139843 L226.63687,67.240196 L229.15347,67.240196 L224.37816,71.394943 L219.65274,67.240196 L222.37572,67.219345 z" 254. Stroke="#FF0365A7"> 255. <Path.Fill> 256. <LinearGradientBrush EndPoint="1.059,0.375" 257. StartPoint="-0.457,0.519"> 258. <GradientStop Color="#FFBBE4FF" /> 259. <GradientStop Color="#FF024572" 260. Offset="0.836" /> 261. <GradientStop Color="#FF43ADF4" 262. Offset="0.466" /> 263. </LinearGradientBrush> 264. </Path.Fill> 265. </Path> 266. </telerik:RadToggleButton> 267. </StackPanel > 268. <Border DataContext="{TemplateBinding EditedAppointment}" 269. Background="{Binding Category.CategoryBrush}" 270. Visibility="{Binding Category,Converter={StaticResource NullToVisibilityConverter}}" 271. CornerRadius="3" 272. Height="20" 273. Margin="5,10,5,0"> 274. <TextBlock Text="{Binding Category.DisplayName}" 275. VerticalAlignment="Center" 276. Margin="5,0,0,0" /> 277. </Border> 278. <Grid VerticalAlignment="Stretch" 279. HorizontalAlignment="Stretch" 280. DataContext="{TemplateBinding EditedAppointment}" 281. Background="{TemplateBinding Background}"> 282. <Grid.RowDefinitions> 283. <RowDefinition Height="Auto" /> 284. <RowDefinition Height="Auto" /> 285. <RowDefinition Height="Auto" /> 286. <RowDefinition Height="Auto" /> 287. <RowDefinition Height="Auto" /> 288. <RowDefinition Height="Auto" /> 289. <RowDefinition Height="Auto" /> 290. <RowDefinition Height="Auto" /> 291. <RowDefinition Height="Auto" /> 292. <RowDefinition Height="Auto" /> 293. </Grid.RowDefinitions> 294. <Grid.ColumnDefinitions> 295. <ColumnDefinition Width="Auto" 296. MinWidth="100" /> 297. <ColumnDefinition Width="Auto" 298. MinWidth="200" /> 299. </Grid.ColumnDefinitions> 300.  301. <TextBlock x:Name="SubjectLabel" 302. Grid.Row="0" 303. Grid.Column="0" 304. Margin="0,15,0,2" 305. telerik:LocalizationManager.ResourceKey="Subject" 306. Style="{StaticResource FormElementTextBlockStyle}" /> 307. <TextBox x:Name="Subject" 308. Grid.Row="0" 309. Grid.Column="1" 310. MinHeight="22" 311. Padding="4 2" 312. Width="340" 313. HorizontalAlignment="Left" 314. Text="{Binding Subject, Mode=TwoWay}" 315. MaxLength="255" 316. telerik:StyleManager.Theme="{StaticResource Theme}" 317. Margin="10,12,20,2" /> 318.  319. <TextBlock x:Name="DescriptionLabel" 320. Grid.Row="1" 321. Grid.Column="0" 322. Margin="0,13,0,2" 323. telerik:LocalizationManager.ResourceKey="Body" 324. Style="{StaticResource FormElementTextBlockStyle}" /> 325. <TextBox x:Name="Body" 326. VerticalAlignment="top" 327. Grid.Row="1" 328. Grid.Column="1" 329. Height="Auto" 330. MaxHeight="82" 331. Width="340" 332. HorizontalAlignment="Left" 333. MinHeight="22" 334. Padding="4 2" 335. TextWrapping="Wrap" 336. telerik:StyleManager.Theme="{StaticResource Theme}" 337. Text="{Binding Body, Mode=TwoWay}" 338. AcceptsReturn="true" 339. Margin="10,10,20,2" 340. HorizontalScrollBarVisibility="Auto" 341. VerticalScrollBarVisibility="Auto" /> 342.  343. <TextBlock x:Name="StartDateLabel" 344. Grid.Row="2" 345. Grid.Column="0" 346. Margin="0,13,0,2" 347. telerik:LocalizationManager.ResourceKey="StartTime" 348. Style="{StaticResource FormElementTextBlockStyle}" /> 349. <telerikScheduler:DateTimePicker x:Name="StartDateTime" 350. Height="22" 351. Grid.Row="2" 352. Grid.Column="1" 353. HorizontalAlignment="Left" 354. Margin="10,10,20,2" 355. Style="{StaticResource FormElementStyle}" 356. SelectedDateTime="{Binding Start, Mode=TwoWay}" 357. telerikScheduler:StartEndDatePicker.EndPicker="{Binding ElementName=EndDateTime}" 358. IsTabStop="False" 359. IsEnabled="False" /> 360. <TextBlock x:Name="EndDateLabel" 361. Grid.Row="3" 362. Grid.Column="0" 363. Margin="0,13,0,2" 364. telerik:LocalizationManager.ResourceKey="EndTime" 365. Style="{StaticResource FormElementTextBlockStyle}" /> 366. <telerikScheduler:DateTimePicker x:Name="EndDateTime" 367. Height="22" 368. Grid.Row="3" 369. Grid.Column="1" 370. HorizontalAlignment="Left" 371. Margin="10,10,20,2" 372. Style="{StaticResource FormElementStyle}" 373. IsTabStop="False" 374. IsEnabled="False" 375. SelectedDateTime="{Binding End, Mode=TwoWay}" /> 376.  377. <CheckBox x:Name="AllDayEventCheckbox" 378. IsChecked="{Binding IsAllDayEvent, Mode=TwoWay}" 379. Grid.Row="4" 380. Grid.Column="1" 381. Margin="10,10,20,2" 382. HorizontalAlignment="Left" 383. telerik:StyleManager.Theme="{StaticResource Theme}" 384. telerik:LocalizationManager.ResourceKey="AllDayEvent"> 385. <telerik:CommandManager.InputBindings> 386. <telerik:InputBindingCollection> 387. <telerik:MouseBinding Command="telerikScheduler:RadSchedulerCommands.ChangeTimePickersVisibility" 388. Gesture="LeftClick" /> 389. </telerik:InputBindingCollection> 390. </telerik:CommandManager.InputBindings> 391. </CheckBox> 392. <Grid Grid.Row="5" 393. Grid.ColumnSpan="2"> 394. <Grid.ColumnDefinitions> 395. <ColumnDefinition Width="Auto" 396. MinWidth="100" /> 397. <ColumnDefinition Width="Auto" 398. MinWidth="200" /> 399. </Grid.ColumnDefinitions> 400. <Grid.RowDefinitions> 401. <RowDefinition Height="Auto" /> 402. <RowDefinition Height="Auto" /> 403. </Grid.RowDefinitions> 404. <TextBlock Text="Applicant" 405. Margin="0,13,0,2" 406. Style="{StaticResource FormElementTextBlockStyle}" /> 407. <telerikInput:RadComboBox IsEditable="False" 408. Grid.Column="1" 409. Height="24" 410. VerticalAlignment="Center" 411. ItemsSource="{Binding Source={StaticResource DataContextProxy}, Path=DataSource.ApplicantList}" 412. SelectedValue="{Binding ApplicantID, Mode=TwoWay}" 413. SelectedValuePath="ApplicantID" 414. DisplayMemberPath="FirstName" /> 415. 416. <TextBlock Text="Job" 417. Margin="0,13,0,2" 418. Grid.Row="1" 419. Style="{StaticResource FormElementTextBlockStyle}" /> 420. <telerikInput:RadComboBox IsEditable="False" 421. Grid.Column="1" 422. Grid.Row="1" 423. Height="24" 424. VerticalAlignment="Center" 425. ItemsSource="{Binding Source={StaticResource DataContextProxy}, Path=DataSource.JobsList}" 426. SelectedValue="{Binding PostingID, Mode=TwoWay}" 427. SelectedValuePath="PostingID" 428. DisplayMemberPath="JobTitle"/> 429. </Grid> 430.  431. <Grid x:Name="ResourcesLayout" 432. Grid.Row="7" 433. Grid.Column="0" 434. Grid.ColumnSpan="2" 435. MaxHeight="130" 436. Margin="20,5,20,0"> 437. <Border Margin="0" 438. BorderThickness="1" 439. BorderBrush="{StaticResource GenericShallowBorderBrush}" 440. Visibility="{Binding ElementName=ResourcesScrollViewer, Path=ComputedVerticalScrollBarVisibility}"></Border> 441. <ScrollViewer x:Name="ResourcesScrollViewer" 442. IsTabStop="false" 443. Grid.Row="6" 444. Grid.Column="0" 445. Grid.ColumnSpan="2" 446. Margin="1" 447. telerik:StyleManager.Theme="{StaticResource Theme}" 448. VerticalScrollBarVisibility="Auto"> 449. <scheduler:ResourcesItemsControl x:Name="PART_Resources" 450. HorizontalAlignment="Left" 451. Padding="0,2,0,5" 452. IsTabStop="false" 453. ItemsSource="{TemplateBinding ResourceTypeModels}" 454. ItemTemplateSelector="{StaticResource ItemTemplateSelector}" /> 455. </ScrollViewer> 456. </Grid> 457. <StackPanel x:Name="FooterControls" 458. Margin="5 10 10 10" 459. Grid.Row="8" 460. Grid.Column="1" 461. HorizontalAlignment="Left" 462. Orientation="Horizontal"> 463. <telerik:RadButton x:Name="OKButton" 464. Margin="5" 465. Padding="10 0" 466. MinWidth="80" 467. Command="telerikScheduler:RadSchedulerCommands.SaveAppointment" 468. telerik:StyleManager.Theme="{StaticResource Theme}" 469. telerikNavigation:RadWindow.ResponseButton="Accept" 470. telerik:LocalizationManager.ResourceKey="SaveAndCloseCommandText"> 471. </telerik:RadButton> 472. <telerik:RadButton x:Name="CancelButton" 473. Margin="5" 474. Padding="10 0" 475. MinWidth="80" 476. telerik:LocalizationManager.ResourceKey="Cancel" 477. telerik:StyleManager.Theme="{StaticResource Theme}" 478. telerikNavigation:RadWindow.ResponseButton="Cancel" 479. Command="telerik:WindowCommands.Close"> 480. </telerik:RadButton> 481. </StackPanel> 482. </Grid> 483. <vsm:VisualStateManager.VisualStateGroups> 484. <vsm:VisualStateGroup x:Name="RecurrenceRuleState"> 485. <vsm:VisualState x:Name="RecurrenceRuleIsNull"> 486. <Storyboard> 487. <ObjectAnimationUsingKeyFrames Storyboard.TargetName="StartDateTime" 488. Storyboard.TargetProperty="IsEnabled" 489. Duration="0"> 490. <DiscreteObjectKeyFrame KeyTime="0" 491. Value="True" /> 492. </ObjectAnimationUsingKeyFrames> 493. <ObjectAnimationUsingKeyFrames Storyboard.TargetName="EndDateTime" 494. Storyboard.TargetProperty="IsEnabled" 495. Duration="0"> 496. <DiscreteObjectKeyFrame KeyTime="0" 497. Value="True" /> 498. </ObjectAnimationUsingKeyFrames> 499. <ObjectAnimationUsingKeyFrames Storyboard.TargetName="AllDayEventCheckbox" 500. Storyboard.TargetProperty="IsEnabled" 501. Duration="0"> 502. <DiscreteObjectKeyFrame KeyTime="0" 503. Value="True" /> 504. </ObjectAnimationUsingKeyFrames> 505. </Storyboard> 506. </vsm:VisualState> 507. <vsm:VisualState x:Name="RecurrenceRuleIsNotNull"> 508. <Storyboard> 509. <ObjectAnimationUsingKeyFrames Storyboard.TargetName="StartDateTime" 510. Storyboard.TargetProperty="IsEnabled" 511. Duration="0"> 512. <DiscreteObjectKeyFrame KeyTime="0" 513. Value="False" /> 514. </ObjectAnimationUsingKeyFrames> 515. <ObjectAnimationUsingKeyFrames Storyboard.TargetName="EndDateTime" 516. Storyboard.TargetProperty="IsEnabled" 517. Duration="0"> 518. <DiscreteObjectKeyFrame KeyTime="0" 519. Value="False" /> 520. </ObjectAnimationUsingKeyFrames> 521. <ObjectAnimationUsingKeyFrames Storyboard.TargetName="AllDayEventCheckbox" 522. Storyboard.TargetProperty="IsEnabled" 523. Duration="0"> 524. <DiscreteObjectKeyFrame KeyTime="0" 525. Value="False" /> 526. </ObjectAnimationUsingKeyFrames> 527. </Storyboard> 528. </vsm:VisualState> 529. </vsm:VisualStateGroup> 530. </vsm:VisualStateManager.VisualStateGroups> 531. </StackPanel> 532. </ControlTemplate> 533. <DataTemplate x:Key="AppointmentDialogWindowHeaderDataTemplate"> 534. <StackPanel Orientation="Horizontal" 535. MaxWidth="400"> 536. <TextBlock telerik:LocalizationManager.ResourceKey="Event" 537. Visibility="{Binding Appointment.IsAllDayEvent, Converter={StaticResource BooleanToVisibilityConverter}}" /> 538. <TextBlock telerik:LocalizationManager.ResourceKey="Appointment" 539. Visibility="{Binding Appointment.IsAllDayEvent, Converter={StaticResource InvertedBooleanToVisibilityConverter}}" /> 540. <TextBlock Text=" - " /> 541. <TextBlock x:Name="SubjectTextBlock" 542. Visibility="{Binding Appointment.Subject, Converter={StaticResource NullToVisibilityConverter}}" 543. Text="{Binding Appointment.Subject}" /> 544. <TextBlock telerik:LocalizationManager.ResourceKey="Untitled" 545. Visibility="{Binding Appointment.Subject, Converter={StaticResource InvertedNullToVisibilityConverter}}" /> 546. </StackPanel> 547. </DataTemplate> 548. <Style x:Key="EditAppointmentStyle" 549. TargetType="telerikScheduler:AppointmentDialogWindow"> 550. <Setter Property="IconTemplate" 551. Value="{StaticResource IconDataEditTemplate}" /> 552. <Setter Property="HeaderTemplate" 553. Value="{StaticResource AppointmentDialogWindowHeaderDataTemplate}" /> 554. <Setter Property="Background" 555. Value="{StaticResource DialogWindowBackground}" /> 556. <Setter Property="Template" 557. Value="{StaticResource EditAppointmentTemplate}" /> 558. </Style> 559.</UserControl.Resources> The first line there is the DataContextProxy I mentioned previously- we use that again to work a bit of magic in this template. Where we start getting into the dialog in question is line 132, but line 407 is where things start getting interesting. The ItemsSource is pointing at a list that exists in my ViewModel (or code-behind, if it is used as a DataContext), the SelectedValue is the item I am actually binding from the applicant (note the TwoWay binding), and SelectedValuePath and DisplayMemberPath ensure the proper applicant is being displayed from the collection. You will also see similar starting on line 420 where I do the same for the Jobs we'll be displaying. Just to wrap-up the Xaml, here's the RadScheduler declaraction that ties this all together and will be the main focus of our view: 01.<telerikScheduler:RadScheduler x:Name="xJobsScheduler" 02. Grid.Row="1" 03. Grid.Column="1" 04. Width="800" 05. MinWidth="600" 06. Height="500" 07. MinHeight="300" 08. AppointmentsSource="{Binding Interviews}" 09. EditAppointmentStyle="{StaticResource EditAppointmentStyle}" 10. command:AppointmentAddedEventClass.Command="{Binding AddAppointmentCommand}" 11. command:ApptCreatedEventClass.Command="{Binding ApptCreatingCommand}" 12. command:ApptEditedEventClass.Command="{Binding ApptEditedCommand}" 13. command:ApptDeletedEventClass.Command="{Binding ApptDeletedCommand}"> 14.</telerikScheduler:RadScheduler> Now, we get to the ViewModel and what it takes to get that rigged up. And for those of you who remember the jobs post, those command:s in the Xaml are pointing to attached behavior commands that reproduce the respective events. This becomes very handy when we're setting up the code-behind version. ;) ViewModel I've been liking this approach so far, so I'm going to put the entire ViewModel here and then go into the lines of interest. Of course, feel free to ask me questions about anything that isn't clear (by line number, ideally) so I can help out if I have missed anything important: 001.public class SchedulerViewModel : ViewModelBase 002.{ 003. private readonly IEventAggregator eventAggregator; 004. private readonly IRegionManager regionManager; 005. 006. public RecruitingContext context; 007. 008. private ObservableItemCollection<InterviewAppointment> _interviews = new ObservableItemCollection<InterviewAppointment>(); 009. public ObservableItemCollection<InterviewAppointment> Interviews 010. { 011. get { return _interviews; } 012. set 013. { 014. if (_interviews != value) 015. { 016. _interviews = value; 017. NotifyChanged("Interviews"); 018. } 019. } 020. } 021. 022. private QueryableCollectionView _jobsList; 023. public QueryableCollectionView JobsList 024. { 025. get { return this._jobsList; } 026. set 027. { 028. if (this._jobsList != value) 029. { 030. this._jobsList = value; 031. this.NotifyChanged("JobsList"); 032. } 033. } 034. } 035. 036. private QueryableCollectionView _applicantList; 037. public QueryableCollectionView ApplicantList 038. { 039. get { return _applicantList; } 040. set 041. { 042. if (_applicantList != value) 043. { 044. _applicantList = value; 045. NotifyChanged("ApplicantList"); 046. } 047. } 048. } 049. 050. public DelegateCommand<object> AddAppointmentCommand { get; set; } 051. public DelegateCommand<object> ApptCreatingCommand { get; set; } 052. public DelegateCommand<object> ApptEditedCommand { get; set; } 053. public DelegateCommand<object> ApptDeletedCommand { get; set; } 054. 055. public SchedulerViewModel(IEventAggregator eventAgg, IRegionManager regionmanager) 056. { 057. // set Unity items 058. this.eventAggregator = eventAgg; 059. this.regionManager = regionmanager; 060. 061. // load our context 062. context = new RecruitingContext(); 063. LoadOperation<Interview> loadOp = context.Load(context.GetInterviewsQuery()); 064. loadOp.Completed += new EventHandler(loadOp_Completed); 065. 066. this._jobsList = new QueryableCollectionView(context.JobPostings); 067. context.Load(context.GetJobPostingsQuery()); 068. 069. this._applicantList = new QueryableCollectionView(context.Applicants); 070. context.Load(context.GetApplicantsQuery()); 071. 072. AddAppointmentCommand = new DelegateCommand<object>(this.AddAppt); 073. ApptCreatingCommand = new DelegateCommand<object>(this.ApptCreating); 074. ApptEditedCommand = new DelegateCommand<object>(this.ApptEdited); 075. ApptDeletedCommand = new DelegateCommand<object>(this.ApptDeleted); 076. 077. } 078. 079. void loadOp_Completed(object sender, EventArgs e) 080. { 081. LoadOperation loadop = sender as LoadOperation; 082. 083. foreach (var ent in loadop.Entities) 084. { 085. _interviews.Add(EntityToAppointment(ent as Interview)); 086. } 087. } 088. 089. #region Appointment Adding 090. 091. public void AddAppt(object obj) 092. { 093. // now we have a new InterviewAppointment to add to our QCV :) 094. InterviewAppointment newInterview = obj as InterviewAppointment; 095. 096. this.context.Interviews.Add(AppointmentToEntity(newInterview)); 097. this.context.SubmitChanges((s) => 098. { 099. ActionHistory myAction = new ActionHistory(); 100. myAction.InterviewID = newInterview.InterviewID; 101. myAction.PostingID = newInterview.PostingID; 102. myAction.ApplicantID = newInterview.ApplicantID; 103. myAction.Description = String.Format("Interview with {0} has been created by {1}", newInterview.ApplicantID.ToString(), "default user"); 104. myAction.TimeStamp = DateTime.Now; 105. eventAggregator.GetEvent<AddActionEvent>().Publish(myAction); 106. } 107. , null); 108. } 109. 110. public void ApptCreating(object obj) 111. { 112. // handled in the behavior, just a placeholder to ensure it runs :) 113. } 114. 115. #endregion 116. 117. #region Appointment Editing 118. 119. public void ApptEdited(object obj) 120. { 121. Interview editedInterview = (from x in context.Interviews 122. where x.InterviewID == (obj as InterviewAppointment).InterviewID 123. select x).SingleOrDefault(); 124. 125. CopyAppointmentEdit(editedInterview, obj as InterviewAppointment); 126. 127. context.SubmitChanges((s) => { 128. ActionHistory myAction = new ActionHistory(); 129. myAction.InterviewID = editedInterview.InterviewID; 130. myAction.PostingID = editedInterview.PostingID; 131. myAction.ApplicantID = editedInterview.ApplicantID; 132. myAction.Description = String.Format("Interview with {0} has been modified by {1}", editedInterview.ApplicantID.ToString(), "default user"); 133. myAction.TimeStamp = DateTime.Now; 134. eventAggregator.GetEvent<AddActionEvent>().Publish(myAction); } 135. , null); 136. } 137. 138. #endregion 139. 140. #region Appointment Deleting 141. 142. public void ApptDeleted(object obj) 143. { 144. Interview deletedInterview = (from x in context.Interviews 145. where x.InterviewID == (obj as InterviewAppointment).InterviewID 146. select x).SingleOrDefault(); 147. 148. context.Interviews.Remove(deletedInterview); 149. context.SubmitChanges((s) => 150. { 151. ActionHistory myAction = new ActionHistory(); 152. myAction.InterviewID = deletedInterview.InterviewID; 153. myAction.PostingID = deletedInterview.PostingID; 154. myAction.ApplicantID = deletedInterview.ApplicantID; 155. myAction.Description = String.Format("Interview with {0} has been deleted by {1}", deletedInterview.ApplicantID.ToString(), "default user"); 156. myAction.TimeStamp = DateTime.Now; 157. eventAggregator.GetEvent<AddActionEvent>().Publish(myAction); 158. } 159. , null); 160. } 161. 162. #endregion 163. 164. #region Appointment Helpers :) 165. 166. public Interview AppointmentToEntity(InterviewAppointment ia) 167. { 168. Interview newInterview = new Interview(); 169. newInterview.Subject = ia.Subject; 170. newInterview.Body = ia.Body; 171. newInterview.Start = ia.Start; 172. newInterview.End = ia.End; 173. newInterview.ApplicantID = ia.ApplicantID; 174. newInterview.PostingID = ia.PostingID; 175. newInterview.InterviewID = ia.InterviewID; 176. 177. return newInterview; 178. } 179. 180. public InterviewAppointment EntityToAppointment(Interview ia) 181. { 182. InterviewAppointment newInterview = new InterviewAppointment(); 183. newInterview.Subject = ia.Subject; 184. newInterview.Body = ia.Body; 185. newInterview.Start = ia.Start; 186. newInterview.End = ia.End; 187. newInterview.ApplicantID = ia.ApplicantID; 188. newInterview.PostingID = ia.PostingID; 189. newInterview.InterviewID = ia.InterviewID; 190. 191. return newInterview; 192. } 193. 194. public void CopyAppointmentEdit(Interview entityInterview, InterviewAppointment appointmentInterview) 195. { 196. entityInterview.Subject = appointmentInterview.Subject; 197. entityInterview.Body = appointmentInterview.Body; 198. entityInterview.Start = appointmentInterview.Start; 199. entityInterview.End = appointmentInterview.End; 200. entityInterview.ApplicantID = appointmentInterview.ApplicantID; 201. entityInterview.PostingID = appointmentInterview.PostingID; 202. } 203. 204. #endregion 205.} One thing we're doing here which you won't see in any of the other ViewModels is creating a duplicate collection. I know this is something which will be fixed down the line for using RadScheduler, simplifying this process, but with WCF RIA changing as it does I wanted to ensure functionality would remain consistent as I continued development on this application. So, I do a little bit of duplication, but for the greater good. This all takes place starting on line 79, so for every entity that comes back we add it to the collection that is bound to RadScheduler. Otherwise, the DelegateCommands that you see correspond directly to the events they are named after. In each case, rather than sending over the full event arguments, I just send in the appointment in question (coming through as the object obj in all cases) so I can add (line 91), edit (line 119), and delete appointments (line 142) like normal. This just ensures they get updated back to my database. Also, the one bit of code you won't see is for the Appointment Creating (line 110) event- that is because in the command I've created I simply make the replacement I need to: 1.void element_AppointmentCreating(object sender, AppointmentCreatingEventArgs e) 2.{ 3. e.NewAppointment = new InterviewAppointment(); 4. base.ExecuteCommand(); 5.} And the ViewModel is none the wiser, the appointments just work as far as it is concerned since as they are created they become InterviewAppointments. End result? I've customized my EditAppointmentDialog as follows: And adding, editing, and deleting appointments works like a charm. I can even 'edit' by moving appointments around RadScheduler, so as they are dropped into a timeslot they perform their full edit routine and things get updated. And then, the Code-Behind Version Perhaps the thing I like the most about doing one then the other is I get to steal 90% or more of the code from the MVVM version. For example, the only real changes to the Code-Behind Xaml file exist in the control declaration, in which I use events instead of attached-behavior-event-commands: 01.<telerikScheduler:RadScheduler x:Name="xJobsScheduler" 02. Grid.Row="1" 03. Grid.Column="1" 04. Width="800" 05. MinWidth="600" 06. Height="500" 07. MinHeight="300" 08. EditAppointmentStyle="{StaticResource EditAppointmentStyle}" 09. AppointmentAdded="xJobsScheduler_AppointmentAdded" 10. AppointmentCreating="xJobsScheduler_AppointmentCreating" 11. AppointmentEdited="xJobsScheduler_AppointmentEdited" 12. AppointmentDeleted="xJobsScheduler_AppointmentDeleted"> 13.</telerikScheduler:RadScheduler> Easy, right? Otherwise, all the same styling in UserControl.Resources was re-used, right down to the DataContextProxy that lets us bind to a collection from our viewmodel (in this case, our code-behind) to use within the DataTemplate. The code conversion gets even easier, as I could literally copy and paste almost everything from the ViewModel to my Code-Behind, just a matter of pasting the right section into the right event. Here's the code-behind as proof: 001.public partial class SchedulingView : UserControl, INotifyPropertyChanged 002.{ 003. public RecruitingContext context; 004. 005. private QueryableCollectionView _jobsList; 006. public QueryableCollectionView JobsList 007. { 008. get { return this._jobsList; } 009. set 010. { 011. if (this._jobsList != value) 012. { 013. this._jobsList = value; 014. this.NotifyChanged("JobsList"); 015. } 016. } 017. } 018. 019. private QueryableCollectionView _applicantList; 020. public QueryableCollectionView ApplicantList 021. { 022. get { return _applicantList; } 023. set 024. { 025. if (_applicantList != value) 026. { 027. _applicantList = value; 028. NotifyChanged("ApplicantList"); 029. } 030. } 031. } 032. 033. private ObservableItemCollection<InterviewAppointment> _interviews = new ObservableItemCollection<InterviewAppointment>(); 034. public ObservableItemCollection<InterviewAppointment> Interviews 035. { 036. get { return _interviews; } 037. set 038. { 039. if (_interviews != value) 040. { 041. _interviews = value; 042. NotifyChanged("Interviews"); 043. } 044. } 045. } 046. 047. public SchedulingView() 048. { 049. InitializeComponent(); 050. 051. this.DataContext = this; 052. 053. this.Loaded += new RoutedEventHandler(SchedulingView_Loaded); 054. } 055. 056. void SchedulingView_Loaded(object sender, RoutedEventArgs e) 057. { 058. this.xJobsScheduler.AppointmentsSource = Interviews; 059. 060. context = new RecruitingContext(); 061. 062. LoadOperation loadop = context.Load(context.GetInterviewsQuery()); 063. loadop.Completed += new EventHandler(loadop_Completed); 064. 065. this._applicantList = new QueryableCollectionView(context.Applicants); 066. context.Load(context.GetApplicantsQuery()); 067. 068. this._jobsList = new QueryableCollectionView(context.JobPostings); 069. context.Load(context.GetJobPostingsQuery()); 070. } 071. 072. void loadop_Completed(object sender, EventArgs e) 073. { 074. LoadOperation loadop = sender as LoadOperation; 075. 076. _interviews.Clear(); 077. 078. foreach (var ent in loadop.Entities) 079. { 080. _interviews.Add(EntityToAppointment(ent as Interview)); 081. } 082. } 083. 084. private void xJobsScheduler_AppointmentAdded(object sender, Telerik.Windows.Controls.AppointmentAddedEventArgs e) 085. { 086. // now we have a new InterviewAppointment to add to our QCV :) 087. InterviewAppointment newInterview = e.Appointment as InterviewAppointment; 088. 089. this.context.Interviews.Add(AppointmentToEntity(newInterview)); 090. this.context.SubmitChanges((s) => 091. { 092. ActionHistory myAction = new ActionHistory(); 093. myAction.InterviewID = newInterview.InterviewID; 094. myAction.PostingID = newInterview.PostingID; 095. myAction.ApplicantID = newInterview.ApplicantID; 096. myAction.Description = String.Format("Interview with {0} has been created by {1}", newInterview.ApplicantID.ToString(), "default user"); 097. myAction.TimeStamp = DateTime.Now; 098. context.ActionHistories.Add(myAction); 099. context.SubmitChanges(); 100. } 101. , null); 102. } 103. 104. private void xJobsScheduler_AppointmentCreating(object sender, Telerik.Windows.Controls.AppointmentCreatingEventArgs e) 105. { 106. e.NewAppointment = new InterviewAppointment(); 107. } 108. 109. private void xJobsScheduler_AppointmentEdited(object sender, Telerik.Windows.Controls.AppointmentEditedEventArgs e) 110. { 111. Interview editedInterview = (from x in context.Interviews 112. where x.InterviewID == (e.Appointment as InterviewAppointment).InterviewID 113. select x).SingleOrDefault(); 114. 115. CopyAppointmentEdit(editedInterview, e.Appointment as InterviewAppointment); 116. 117. context.SubmitChanges((s) => 118. { 119. ActionHistory myAction = new ActionHistory(); 120. myAction.InterviewID = editedInterview.InterviewID; 121. myAction.PostingID = editedInterview.PostingID; 122. myAction.ApplicantID = editedInterview.ApplicantID; 123. myAction.Description = String.Format("Interview with {0} has been modified by {1}", editedInterview.ApplicantID.ToString(), "default user"); 124. myAction.TimeStamp = DateTime.Now; 125. context.ActionHistories.Add(myAction); 126. context.SubmitChanges(); 127. } 128. , null); 129. } 130. 131. private void xJobsScheduler_AppointmentDeleted(object sender, Telerik.Windows.Controls.AppointmentDeletedEventArgs e) 132. { 133. Interview deletedInterview = (from x in context.Interviews 134. where x.InterviewID == (e.Appointment as InterviewAppointment).InterviewID 135. select x).SingleOrDefault(); 136. 137. context.Interviews.Remove(deletedInterview); 138. context.SubmitChanges((s) => 139. { 140. ActionHistory myAction = new ActionHistory(); 141. myAction.InterviewID = deletedInterview.InterviewID; 142. myAction.PostingID = deletedInterview.PostingID; 143. myAction.ApplicantID = deletedInterview.ApplicantID; 144. myAction.Description = String.Format("Interview with {0} has been deleted by {1}", deletedInterview.ApplicantID.ToString(), "default user"); 145. myAction.TimeStamp = DateTime.Now; 146. context.ActionHistories.Add(myAction); 147. context.SubmitChanges(); 148. } 149. , null); 150. } 151. 152. #region Appointment Helpers :) 153. 154. public Interview AppointmentToEntity(InterviewAppointment ia) 155. { 156. Interview newInterview = new Interview(); 157. newInterview.Subject = ia.Subject; 158. newInterview.Body = ia.Body; 159. newInterview.Start = ia.Start; 160. newInterview.End = ia.End; 161. newInterview.ApplicantID = ia.ApplicantID; 162. newInterview.PostingID = ia.PostingID; 163. newInterview.InterviewID = ia.InterviewID; 164. 165. return newInterview; 166. } 167. 168. public InterviewAppointment EntityToAppointment(Interview ia) 169. { 170. InterviewAppointment newInterview = new InterviewAppointment(); 171. newInterview.Subject = ia.Subject; 172. newInterview.Body = ia.Body; 173. newInterview.Start = ia.Start; 174. newInterview.End = ia.End; 175. newInterview.ApplicantID = ia.ApplicantID; 176. newInterview.PostingID = ia.PostingID; 177. newInterview.InterviewID = ia.InterviewID; 178. 179. return newInterview; 180. } 181. 182. public void CopyAppointmentEdit(Interview entityInterview, InterviewAppointment appointmentInterview) 183. { 184. entityInterview.Subject = appointmentInterview.Subject; 185. entityInterview.Body = appointmentInterview.Body; 186. entityInterview.Start = appointmentInterview.Start; 187. entityInterview.End = appointmentInterview.End; 188. entityInterview.ApplicantID = appointmentInterview.ApplicantID; 189. entityInterview.PostingID = appointmentInterview.PostingID; 190. } 191. 192. #endregion 193. 194. #region INotifyPropertyChanged Members 195. 196. public event PropertyChangedEventHandler PropertyChanged; 197. 198. public void NotifyChanged(string propertyName) 199. { 200. if (string.IsNullOrEmpty(propertyName)) 201. throw new ArgumentException("propertyName"); 202. 203. PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); 204. } 205. 206. #endregion 207.} Nice... right? :) One really important thing to note as well. See on line 51 where I set the DataContext before the Loaded event? This is super important, as if you don't have this set before the usercontrol is loaded, the DataContextProxy has no context to use and your EditAppointmentDialog Job/Applicant dropdowns will be blank and empty. Trust me on this, took a little bit of debugging to figure out that by setting the DataContext post-loaded would only lead to disaster and frustration. Otherwise, the only other real difference is that instead of sending an ActionHistory item through an event to get added to the database and saved, I do those right in the callback from submitting. The Result Again, I only have to post one picture because these bad boys used nearly identical code for both the MVVM and the code-behind views, so our end result is... So what have we learned here today? One, for the most part this MVVM thing is somewhat easy. Yeah, you sometimes have to write a bunch of extra code, but with the help of a few useful snippits you can turn the process into a pretty streamlined little workflow. Heck, this story gets even easier as you can see in this blog post by Michael Washington- specifically run a find on 'InvokeCommandAction' and you'll see the section regarding the command on TreeView in Blend 4. Brilliant! MVVM never looked so sweet! Otherwise, it is business as usual with RadScheduler for Silverlight whichever path you're choosing for your development. Between now and the next post, I'll be cleaning up styles a bit (those RadComboBoxes are a little too close to my labels!) and adding some to the RowDetailsViews for Applicants and Jobs, so you can see all the info for an appointment in the dropdown tab view. Otherwise, we're about ready to call a wrap on this oneDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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What’s the Difference Between Succession Management and Talent Reviews?

- by HCM-Oracle

By Marcie Van Houten Is there a difference or are they pieces of one holistic strategic talent process? And can you have one without the other? First, let me give a quick definition of each. Succession planning (or management) is about creating succession slates or talent pools in support of a critical job or position or sets thereof. And then using those plans to help mitigate risk and plan talent needs for the organization. Talent reviews (known by other names often) are sets of meetings where managers and executives come together to review, discuss and often heatedly debate the merits and potential of their employees, and then place and sometimes calibrate that talent on a performance to potential matrix. These are some of the most strategic conversations happening in conference rooms across the globe. I speak with a lot of organizations about their practices in this area and the answers to these questions are as varied and nuanced as there are organizations thinking about them. Some are passionate about their talent review processes and have a very evolved and thoughtful approach. They really know their people, where their talent is, and the opportunities they plan to offer them. And to them that is their succession process. They may never create a slate of named candidates for a job or assign employees to formal talent pools. On the flip side there are other organizations that create slates and slates and often multiple talent pools to support their strategic positions. Through these, they are able to mitigate the risk associated with having a key player leave their organization. And for them, that is their succession process. Some will start from the lower levels of their organization and roll up their succession plans, while other organizations only cover their top 200 executives and key positions with plans. And then there are organizations that leverage some of all of these. Ultimately, the goals are to increase employee engagement, reduce talent-related risk, ensure the right talent is aligned to the strategic initiatives and to drive business value. The approaches are as unique as the organizations they represent and the business opportunities they are looking to seize upon. And that's ok. It's great in fact. Because one thing that is common is the recognition that the need to know your people and align your top talent to the future needs of the organization is mission critical. Sure, there are a set of commonly recognized best practices and guiding principles for all of this. There is no one right or perfect answer. And that is what makes this all so much darn fun. With Talent Review and Succession Management from Oracle HCM Cloud, we’ve blended the ability to support your strategic talent review conversations with both succession plans and talent pools allowing for one very seamless and interactive process. So whether you create a lot of succession plans, only focus on talent pools, have a robust talent review process, or all of the above, Oracle has you covered. I’m looking forward to spending time with our customers at the upcoming OHUG Global Conference 2014 happening June 9-13 in Las Vegas. It’s an opportunity for me to talk to customers about their business and how they are doing strategic talent processes like talent reviews and succession. I hope to see you there. Marcie Van Houten brings over 20 years of management consulting, information systems and human capital management experience to her role as director of product strategy at Oracle. Ms. Van Houten has spent the past several years at Oracle working closely with customers to help drive the direction of the company's talent and succession management applications. Additionally, she spent nine years at PeopleSoft as Director of Information Systems leading human capital management implementation projects. Marcie Van Houten lives in Walnut Creek, California, and holds a MBA from Southern Methodist University in Dallas, Texas. You can follow her on Twitter: @MarcieVH

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10 Windows Tweaking Myths Debunked

- by Chris Hoffman

Windows is big, complicated, and misunderstood. You’ll still stumble across bad advice from time to time when browsing the web. These Windows tweaking, performance, and system maintenance tips are mostly just useless, but some are actively harmful. Luckily, most of these myths have been stomped out on mainstream sites and forums. However, if you start searching the web, you’ll still find websites that recommend you do these things. Erase Cache Files Regularly to Speed Things Up You can free up disk space by running an application like CCleaner, another temporary-file-cleaning utility, or even the Windows Disk Cleanup tool. In some cases, you may even see an old computer speed up when you erase a large amount of useless files. However, running CCleaner or similar utilities every day to erase your browser’s cache won’t actually speed things up. It will slow down your web browsing as your web browser is forced to redownload the files all over again, and reconstruct the cache you regularly delete. If you’ve installed CCleaner or a similar program and run it every day with the default settings, you’re actually slowing down your web browsing. Consider at least preventing the program from wiping out your web browser cache. Enable ReadyBoost to Speed Up Modern PCs Windows still prompts you to enable ReadyBoost when you insert a USB stick or memory card. On modern computers, this is completely pointless — ReadyBoost won’t actually speed up your computer if you have at least 1 GB of RAM. If you have a very old computer with a tiny amount of RAM — think 512 MB — ReadyBoost may help a bit. Otherwise, don’t bother. Open the Disk Defragmenter and Manually Defragment On Windows 98, users had to manually open the defragmentation tool and run it, ensuring no other applications were using the hard drive while it did its work. Modern versions of Windows are capable of defragmenting your file system while other programs are using it, and they automatically defragment your disks for you. If you’re still opening the Disk Defragmenter every week and clicking the Defragment button, you don’t need to do this — Windows is doing it for you unless you’ve told it not to run on a schedule. Modern computers with solid-state drives don’t have to be defragmented at all. Disable Your Pagefile to Increase Performance When Windows runs out of empty space in RAM, it swaps out data from memory to a pagefile on your hard disk. If a computer doesn’t have much memory and it’s running slow, it’s probably moving data to the pagefile or reading data from it. Some Windows geeks seem to think that the pagefile is bad for system performance and disable it completely. The argument seems to be that Windows can’t be trusted to manage a pagefile and won’t use it intelligently, so the pagefile needs to be removed. As long as you have enough RAM, it’s true that you can get by without a pagefile. However, if you do have enough RAM, Windows will only use the pagefile rarely anyway. Tests have found that disabling the pagefile offers no performance benefit. Enable CPU Cores in MSConfig Some websites claim that Windows may not be using all of your CPU cores or that you can speed up your boot time by increasing the amount of cores used during boot. They direct you to the MSConfig application, where you can indeed select an option that appears to increase the amount of cores used. In reality, Windows always uses the maximum amount of processor cores your CPU has. (Technically, only one core is used at the beginning of the boot process, but the additional cores are quickly activated.) Leave this option unchecked. It’s just a debugging option that allows you to set a maximum number of cores, so it would be useful if you wanted to force Windows to only use a single core on a multi-core system — but all it can do is restrict the amount of cores used. Clean Your Prefetch To Increase Startup Speed Windows watches the programs you run and creates .pf files in its Prefetch folder for them. The Prefetch feature works as a sort of cache — when you open an application, Windows checks the Prefetch folder, looks at the application’s .pf file (if it exists), and uses that as a guide to start preloading data that the application will use. This helps your applications start faster. Some Windows geeks have misunderstood this feature. They believe that Windows loads these files at boot, so your boot time will slow down due to Windows preloading the data specified in the .pf files. They also argue you’ll build up useless files as you uninstall programs and .pf files will be left over. In reality, Windows only loads the data in these .pf files when you launch the associated application and only stores .pf files for the 128 most recently launched programs. If you were to regularly clean out the Prefetch folder, not only would programs take longer to open because they won’t be preloaded, Windows will have to waste time recreating all the .pf files. You could also modify the PrefetchParameters setting to disable Prefetch, but there’s no reason to do that. Let Windows manage Prefetch on its own. Disable QoS To Increase Network Bandwidth Quality of Service (QoS) is a feature that allows your computer to prioritize its traffic. For example, a time-critical application like Skype could choose to use QoS and prioritize its traffic over a file-downloading program so your voice conversation would work smoothly, even while you were downloading files. Some people incorrectly believe that QoS always reserves a certain amount of bandwidth and this bandwidth is unused until you disable it. This is untrue. In reality, 100% of bandwidth is normally available to all applications unless a program chooses to use QoS. Even if a program does choose to use QoS, the reserved space will be available to other programs unless the program is actively using it. No bandwidth is ever set aside and left empty. Set DisablePagingExecutive to Make Windows Faster The DisablePagingExecutive registry setting is set to 0 by default, which allows drivers and system code to be paged to the disk. When set to 1, drivers and system code will be forced to stay resident in memory. Once again, some people believe that Windows isn’t smart enough to manage the pagefile on its own and believe that changing this option will force Windows to keep important files in memory rather than stupidly paging them out. If you have more than enough memory, changing this won’t really do anything. If you have little memory, changing this setting may force Windows to push programs you’re using to the page file rather than push unused system files there — this would slow things down. This is an option that may be helpful for debugging in some situations, not a setting to change for more performance. Process Idle Tasks to Free Memory Windows does things, such as creating scheduled system restore points, when you step away from your computer. It waits until your computer is “idle” so it won’t slow your computer and waste your time while you’re using it. Running the “Rundll32.exe advapi32.dll,ProcessIdleTasks” command forces Windows to perform all of these tasks while you’re using the computer. This is completely pointless and won’t help free memory or anything like that — all you’re doing is forcing Windows to slow your computer down while you’re using it. This command only exists so benchmarking programs can force idle tasks to run before performing benchmarks, ensuring idle tasks don’t start running and interfere with the benchmark. Delay or Disable Windows Services There’s no real reason to disable Windows services anymore. There was a time when Windows was particularly heavy and computers had little memory — think Windows Vista and those “Vista Capable” PCs Microsoft was sued over. Modern versions of Windows like Windows 7 and 8 are lighter than Windows Vista and computers have more than enough memory, so you won’t see any improvements from disabling system services included with Windows. Some people argue for not disabling services, however — they recommend setting services from “Automatic” to “Automatic (Delayed Start)”. By default, the Delayed Start option just starts services two minutes after the last “Automatic” service starts. Setting services to Delayed Start won’t really speed up your boot time, as the services will still need to start — in fact, it may lengthen the time it takes to get a usable desktop as services will still be loading two minutes after booting. Most services can load in parallel, and loading the services as early as possible will result in a better experience. The “Delayed Start” feature is primarily useful for system administrators who need to ensure a specific service starts later than another service. If you ever find a guide that recommends you set a little-known registry setting to improve performance, take a closer look — the change is probably useless. Want to actually speed up your PC? Try disabling useless startup programs that run on boot, increasing your boot time and consuming memory in the background. This is a much better tip than doing any of the above, especially considering most Windows PCs come packed to the brim with bloatware.

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WebCenter Customer Spotlight: Texas Industries, Inc.

- by me

Author: Peter Reiser - Social Business Evangelist, Oracle WebCenter Solution SummaryTexas Industries, Inc. (TXI) is a leading supplier of cement, aggregate, and consumer product building materials for residential, commercial, and public works projects. TXI is based in Dallas and employs around 2,000 employees. The customer had the challenge of decentralized and manual processes for entering 180,000 vendor invoices annually. Invoice entry was a time- and resource-intensive process that entailed significant personnel requirements. TXI implemented a centralized solution leveraging Oracle WebCenter Imaging, a smart routing solution that enables users to capture invoices electronically with Oracle WebCenter Capture and Oracle WebCenter Forms Recognition to send the invoices through to Oracle Financials for approvals and processing. TXI significantly lowered resource needs for payable processing, increase productivity by 80% and reduce invoice processing cycle times by 84%—from 20 to 30 days to just 3 to 5 days, on average. Company OverviewTexas Industries, Inc. (TXI) is a leading supplier of cement, aggregate, and consumer product building materials for residential, commercial, and public works projects. With operating subsidiaries in six states, TXI is the largest producer of cement in Texas and a major producer in California. TXI is a major supplier of stone, sand, gravel, and expanded shale and clay products, and one of the largest producers of bagged cement and concrete products in the Southwest. Business ChallengesTXI had the challenge of decentralized and manual processes for entering 180,000 vendor invoices annually. Invoice entry was a time- and resource-intensive process that entailed significant personnel requirements. Their business objectives were: Increase the efficiency of core business processes, such as invoice processing, to support the organization’s desire to maintain its role as the Southwest’s leader in delivering high-quality, low-cost products to the construction industry Meet the audit and regulatory requirements for achieving Sarbanes-Oxley (SOX) compliance Streamline entry of 180,000 invoices annually to accelerate processing, reduce errors, cut invoice storage and routing costs, and increase visibility into payables liabilities Solution DeployedTXI replaced a resource-intensive, paper-based, decentralized process for invoice entry with a centralized solution leveraging Oracle WebCenter Imaging 11g. They worked with the Oracle Partner Keste LLC to develop a smart routing solution that enables users to capture invoices electronically with Oracle WebCenter Capture and then uses Oracle WebCenter Forms Recognition and the Oracle WebCenter Imaging workflow to send the invoices through to Oracle Financials for approvals and processing. Business Results Significantly lowered resource needs for payable processing through centralization and improved efficiency Enabled the company to process invoices faster and pay bills earlier, allowing it to take advantage of additional vendor discounts Tracked to increase productivity by 80% and reduce invoice processing cycle times by 84%—from 20 to 30 days to just 3 to 5 days, on average Achieved a 25% reduction in paper invoice storage costs now that invoices are captured digitally, and enabled a 50% reduction in shipping costs, as the company no longer has to send paper invoices between headquarters and production facilities for approvals “Entering and manually processing more than 180,000 vendor invoices annually was time and labor intensive. With Oracle Imaging and Process Management, we have automated and centralized invoice entry and processing at our corporate office, improving productivity by 80% and reducing invoice processing cycle times by 84%—a very important efficiency gain.” Terry Marshall, Vice President of Information Services, Texas Industries, Inc. Additional Information TXI Customer Snapshot Oracle WebCenter Content Oracle WebCenter Capture Oracle WebCenter Forms Recognition

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What's New in Oracle's EPM System?

- by jmorourke

Oracle’s EPM System R11.1.2.2 is now generally available to customers and partners on the download center. Although the release number doesn’t sound significant, this is a major release of Oracle’s Hyperion EPM Suite with new modules as well as significant enhancements across the suite. This release was announced back on April 4th as part of Oracle’s Business Analytics Strategy launch, so analytics is a key aspect of the release. But the three biggest pieces of news in this release are Oracle Hyperion Planning support for the Exalytics In-Memory Machine, the new Project Financial Planning Application and the new Account Reconciliations Manager module. The Oracle Exalytics In-Memory Machine was announced back in October 2011, at Oracle OpenWorld. It’s the latest installment from Oracle in a line of engineered systems that combine Oracle Sun hardware, with Oracle database and application technologies – in solutions that are designed to provide high scalability and performance for specific tasks. Exalytics is the first engineered system specifically designed for high performance analytics. Running in-memory versions of Oracle Essbase, as well as the Oracle TimesTen database and Oracle BI tools, Exalytics provides speed of thought response times for complex analytic processes with advanced visualizations. Early adopter customers have achieved 5X to 100X faster interactivity and 6X to 10X faster planning cycles. Hyperion Planning running with Oracle Exalytics will support enterprise-wide planning, budgeting and forecasting with more detailed data, with hundreds to thousands of users across an organization getting speed of thought performance. The new Hyperion Project Financial Planning application delivered with EPM 11.1.2.2 is also great news for Oracle customers. This application follows on the heels of other special-purpose planning applications that Oracle has delivered for Workforce and Capital Asset planning. It allows Project Managers to identify project-related expenses and revenues, plan and propose new projects, and track results over time. Finance Managers can evaluate and compare different projects, manage the funding process, monitor and report the actual financial results and impacts of projects and project portfolios. This new application is applicable to capital projects, contract projects and indirect projects like IT and HR projects across all industries. This application is a great complement to existing Project Management applications, and helps bridge the gap between these applications, and the financial planning and budgeting process. Account reconciliations has to be one of the biggest bottlenecks and risks in the financial close and reporting process, and many organizations rely on spreadsheets and manual processes to perform this critical process. To help address this problem, Oracle developed an Account Reconciliation Manager module that is being delivered as part of Oracle Hyperion Financial Close Management. This module helps automate and streamline account reconciliations and eliminates the chances for errors, omissions and fraud. But unlike standalone account reconciliation packages, it’s integrated with the rest of the Oracle Hyperion Financial Close suite, and can integrate balances from any source system. This can help alleviate a major bottleneck in the financial close process, increase accuracy and reduce risk, and can complement existing investments in Hyperion Financial Management, as well as Oracle and non-Oracle transaction processing systems. Other enhancements in this release include an enhanced Web 2.0 interface for Hyperion Planning and Hyperion Financial Management (HFM), configurable dimensionality in HFM, new Predictive Planning feature in Hyperion Planning, new Detailed Profitability feature in Hyperion Profitability and Cost Management, new Smart View interface for Hyperion Strategic Finance, and integration of the Hyperion applications with JD Edwards Financials. For more information about Oracle EPM System R11.1.2.2 check out the links below: Press Release: http://www.oracle.com/us/corporate/press/1575775 Product Information on O.com: http://www.oracle.com/us/solutions/business-analytics/overview/index.html Product Information on OTN: http://www.oracle.com/technetwork/middleware/epm/downloads/index.html Webcast Replay: http://www.oracle.com/us/go/index.html?Src=7317510&Act=65&pcode=WWMK11054701MPP046 Please contact me if you have any questions or need additional information – [email protected]

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Copy New Files Only in .NET

- by psheriff

Recently I had a client that had a need to copy files from one folder to another. However, there was a process that was running that would dump new files into the original folder every minute or so. So, we needed to be able to copy over all the files one time, then also be able to go back a little later and grab just the new files. After looking into the System.IO namespace, none of the classes within here met my needs exactly. Of course I could build it out of the various File and Directory classes, but then I remembered back to my old DOS days (yes, I am that old!). The XCopy command in DOS (or the command prompt for you pure Windows people) is very powerful. One of the options you can pass to this command is to grab only newer files when copying from one folder to another. So instead of writing a ton of code I decided to simply call the XCopy command using the Process class in .NET. The command I needed to run at the command prompt looked like this: XCopy C:\Original\*.* D:\Backup\*.* /q /d /y What this command does is to copy all files from the Original folder on the C drive to the Backup folder on the D drive. The /q option says to do it quitely without repeating all the file names as it copies them. The /d option says to get any newer files it finds in the Original folder that are not in the Backup folder, or any files that have a newer date/time stamp. The /y option will automatically overwrite any existing files without prompting the user to press the "Y" key to overwrite the file. To translate this into code that we can call from our .NET programs, you can write the CopyFiles method presented below. C# using System.Diagnostics public void CopyFiles(string source, string destination){ ProcessStartInfo si = new ProcessStartInfo(); string args = @"{0}\*.* {1}\*.* /q /d /y"; args = string.Format(args, source, destination); si.FileName = "xcopy"; si.Arguments = args; Process.Start(si);} VB.NET Imports System.Diagnostics Public Sub CopyFiles(source As String, destination As String) Dim si As New ProcessStartInfo() Dim args As String = "{0}\*.* {1}\*.* /q /d /y" args = String.Format(args, source, destination) si.FileName = "xcopy" si.Arguments = args Process.Start(si)End Sub The CopyFiles method first creates a ProcessStartInfo object. This object is where you fill in name of the command you wish to run and also the arguments that you wish to pass to the command. I created a string with the arguments then filled in the source and destination folders using the string.Format() method. Finally you call the Start method of the Process class passing in the ProcessStartInfo object. That's all there is to calling any command in the operating system. Very simple, and much less code than it would have taken had I coded it using the various File and Directory classes. Good Luck with your Coding,Paul Sheriff ** SPECIAL OFFER FOR MY BLOG READERS **Visit http://www.pdsa.com/Event/Blog for a free video on Silverlight entitled Silverlight XAML for the Complete Novice - Part 1.

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Upgrading from MVC 1.0 to MVC2 in Visual Studio 2010 and VS2008.

- by Sam Abraham

With MVC2 officially released, I was involved in a few conversations regarding the feasibility of upgrading existing MVC 1.0 projects to quickly leverage the newly introduced MVC features. Luckily, Microsoft has proactively addressed this question for both Visual Studio 2008 and 2010 and many online resources discussing the upgrade process are a "Bing/Google Search" away. As I will happen to be speaking about MVC2 and Visual Studio 2010 at the Ft Lauderdale ArcSig .Net User Group Meeting on April 20th 2010 (Check http://www.fladotnet.com for more info.), I decided to include a quick demo on upgrading the NerdDinner project (which I consider the "Hello MVC World" project) from MVC 1.0 to MVC2 using Visual studio 2010 to demonstrate how simple the upgrade process is. In the next few lines, I will be briefly touching on upgrading to MVC2 for Visual Studio 2008 then discussing, in more detail, the upgrade process using Visual Studio 2010 while highlighting the advantage of its multi-targeting support. Using Visual Studio 2008 SP1 For upgrading to MVC2 Using VS2008 SP1, a Microsoft White Paper [1] presents two approaches: 1- Using a provided automated upgrade tool, 2-Manually upgrading the project. I personally prefer using the automated tool although it comes with an "AS IS" disclaimer. For those brave souls, or those who end up with no luck using the tool, detailed manual upgrade steps are also provided as a second option. Backing up the project in question is a must regardless of which route one would take to upgrade. Using Visual Studio 2010 Life is much easier for developers who already adopted Visual Studio 2010. Simply opening the MVC 1.0 solution file brings up the upgrade wizard as shown in figures 1, 2, 3 and 4. As we proceed with the upgrade process, the wizard requests confirmation on whether we choose to upgrade our target framework version to .Net 4.0 or keep the existing .Net 3.5 (Figure 5). VS2010 does a good job with multi-targeting where we can still develop .Net 3.5 applications while leveraging all the new bells and whistles that VS2010 brings to the table (Multi-targeting enables us to develop with as early as .Net 2.0 in VS2010) Figure 1 - Open Solution File Using VS2010 Figure 2 - VS2010 Conversion Wizard Figure 3- Ready To Convert To VS2010 Confirmation Screen Figure 4 - VS2010 Solution Conversion Progress Figure 5 - Confirm Target Framework Upgrade In an attempt to make my demonstration realistic, I decided to opt to keep the project targeted to the .Net 3.5 Framework. After the successful completion of the conversion process, a quick sanity check revealed that the NerdDinner project is still targeted to the .Net 3.5 framework as shown in figure 6. Inspecting the Web.Config revealed that the MVC DLL version our code compiles against has been successfully upgraded to 2.0 (Figure 7) and hence we should now be able to leverage the newly introduced features in MVC2 and VS2010 with no effort or time invested on modifying existing code. Figure 6- Confirm Target Framework Remained .Net 3.5 Figure 7 - Confirm MVC DLL Version Has Been Upgraded In Conclusion, Microsoft has empowered developers with the tools necessary to quickly and seamlessly upgrade their MVC solutions to the newly released MVC2. The multi-targeting feature in Visual Studio 2010 enables us to adopt this latest and greatest development tool while supporting development in as early as .Net 2.0. References 1. "Upgrading an ASP.NET MVC 1.0 Application to ASP.NET MVC 2" http://www.asp.net/learn/whitepapers/aspnet-mvc2-upgrade-notes

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How can I thoroughly evaluate a prospective employer?

- by glenviewjeff

We hear much about code smells, test smells, and even project smells, but I have heard no discussion about employer "smells" outside of the Joel Test. After much frustration working for employers with a bouquet of unpleasant corporate-culture odors, I believe it's time for me to actively seek a more mature development environment. I've started assembling a list of questions to help vet employers by identifying issues during a job interview, and am looking for additional ideas. I suppose this list could easily be modified by an employer to vet an employee as well, but please answer from the interviewee's perspective. I think it would be important to ask many of these questions of multiple people to find out if consistent answers are given. For the most part, I tried to put the questions in each section in the order they could be asked. An undesired answer to an early question will often make follow-ups moot. Values What constitutes "well-written" software? What attributes does a good developer have? Same question for manager. Process Do you have a development process? How rigorously do you follow it? How do you decide how much process to apply to each project? Describe a typical project lifecycle. Ask the following if they don't come up otherwise: Waterfall/iterative: How much time is spent in upfront requirements gathering? upfront design? Testing Who develops tests (developers or separate test engineers?) When are they developed? When are the tests executed? How long do they take to execute? What makes a good test? How do you know you've tested enough? What percentage of code is tested? Review What is the review process like? What percentage of code is reviewed? Design? How frequently can I expect to participate as code/design reviewer/reviewee? What are the criteria applied to review and where do the criteria come from? Improvement What new tools and techniques have you evaluated or deployed in the past year? What training courses have your employees been given in the past year? What will I be doing for the first six months in your company (hinting at what kind of organized mentorship/training has been thought through, if any) What changes to your development process have been made in the past year? How do you improve and learn from your mistakes as an organization? What was your organizations biggest mistake in the past year, and how was it addressed? What feedback have you given to management lately? Was it implemented? If not, why? How does your company use "best practices?" How do you seek them out from the outside or within, and how do you share them with each other? Ethics Tell me about an ethical problem you or your employees experienced recently and how was it resolved? Do you use open-source software? What open-source contributions have you made? Follow-Ups I liked what @jim-leonardo said on this Stack Overflow question: Really a thing to ask yourself: "Does this person seem like they are trying to recruit me and make me interested?" I think this is one of the most important bits. If they seem to be taking the attitude that the only one being interviewed is you, then they probably will treat you poorly. Good interviewers understand they have to sell the position as much as the candidate needs to sell themselves. @SethP added: Glassdoor.com is a good web site for researching potential employers. It contains information about how specific companies conduct interviews...

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Performing an upgrade from TFS 2008 to TFS 2010

- by Enrique Lima

I recently had to go through the process of migrating a TFS 2008 SP1 to a TFS 2010 environment. I will go into the details of the tasks that I went through, but first I want to explain why I define it as a migration and not an upgrade. When this environment was setup, based on support and limitations for TFS 2008, we used a 32 bit platform for the TFS Application Tier and Build Servers. The Data Tier, since we were installing SP1 for TFS 2008, was done as a 64 bit installation. We knew at that point that TFS 2010 was in the picture so that served as further motivation to make that a 64bit install of SQL Server. The SQL Server at that point was a single instance (Default) installation too. We had a pretty good strategy in place for backups of the databases supporting the environment (and this made the migration so much smoother), so we were pretty familiar with the databases and the purpose they serve. I am sure many of you that have gone through a TFS 2008 installation have encountered challenges and trials. And likely even more so if you, like me, needed to configure your deployment for SSL. So, frankly I was a little concerned about the process of migrating. They say practice makes perfect, and this environment I worked on is in some way my brain child, so I was not ready nor willing for this to be a failure or something that would impact my client’s work. Prior to going through the migration process, we did the install of the environment. The Data Tier was the same, with a new Named instance in place to host the 2010 install. The Application Tier was in place too, and we did the DefaultCollection configuration to test and validate all components were in place as they should. Anyway, on to the tasks for the migration (thanks to Martin Hinselwood for his very thorough documentation): Close access to TFS 2008, you want to make sure all code is checked in and ready to go. We stated a difference of 8 hours between code lock and the start of migration to give time for any unexpected delay. How do we close access? Stop IIS. Backup your databases. Which ones? TfsActivityLogging TfsBuild TfsIntegration TfsVersionControl TfsWorkItemTracking TfsWorkItemTrackingAttachments Restore the databases to the new Named Instance (make sure you keep the same names) Now comes the fun part! The actual import/migration of the databases. A couple of things happen here. The TfsIntegration database will be scanned, the other databases will be checked to validate they exist. Those databases will go through a process of data being extracted and transferred to the TfsVersionControl database to then be renamed to Tfs_<Collection>. You will be using a tool called tfsconfig and the option import. This tool is located in the TFS 2010 installation path (C:\Program Files\Microsoft Team Foundation Server 2010\Tools), the command to use is as follows: tfsconfig import /sqlinstance:<instance> /collectionName:<name> /confirmed Where <instance> is going to be the SQL Server instance where you restored the databases to. <name> is the name you will give the collection. And to explain /confirmed, well this means you have done a backup of the databases, why? well remember you are going to merge the databases you restored when you execute the tfsconfig import command. The process will go through about 200 tasks, once it completes go to Team Foundation Server Administration Console and validate your imported databases and contents. We’ll keep this manageable, so the next post is about how to complete that implementation with the SSL configuration.

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Drinking Our Own Champagne: Fusion Accounting Hub at Oracle

- by Di Seghposs

A guest post by Corey West, Senior Vice President, Oracle's Corporate Controller and Chief Accounting Officer There's no better story to tell than one about Oracle using its own products with blowout success. Here's how this one goes. As you know, Oracle has increased its share of the software market through a number of high-profile acquisitions. Legally combining companies is a very complicated process -- it can take months to complete, especially for the acquisitions with offices in several countries, each with its own unique laws and regulations. It's a mission critical and time sensitive process to roll an acquired company's legacy systems (running vital operations, such as accounts receivable and general ledger (GL)) into the existing systems at Oracle. To date, we've run our primary financial ledgers in E-Business Suite R12 -- and we've successfully met the requirements of the business and closed the books on time every single quarter. But there's always room for improvement and that comes in the form of Fusion Applications. We are now live on Fusion Accounting Hub (FAH), which is the first critical step in moving to a full Fusion Financials instance. We started with FAH so that we could design a global chart of accounts. Eventually, every transaction in every country will originate from this global chart of accounts -- it becomes the structure for managing our business more uniformly. In conjunction, we're using Oracle Hyperion Data Relationship Management (DRM) to centralize and automate governance of our global chart of accounts and related hierarchies, which will help us lower our costs and greatly reduce risk. Each month, we have to consolidate data from our primary general ledgers. We have been able to simplify this process considerably using FAH. We can now submit our primary ledgers running in E-Business Suite (EBS) R12 directly to FAH, eliminating the need for more than 90 redundant consolidation ledgers. Also we can submit incrementally, so if we need to book an adjustment in a primary ledger after close, we can do so without re-opening it and re-submitting. As a result, we have earlier visibility to period-end actuals during the close. A goal of this implementation, and one that we successfully achieved, is that we are able to use FAH globally with no customization. This means we have the ability to fully deploy ledger sets at the consolidation level, plus we can use standard functionality for currency translation and mass allocations. We're able to use account monitoring and drill down functionality from the consolidation level all the way through to EBS primary ledgers and sub-ledgers, which allows someone to click through a transaction appearing at the consolidation level clear through to its original source, a significant productivity enhancement when doing research. We also see a significant improvement in reporting using Essbase cube and Hyperion Smart View. Specifically, "the addition of an Essbase cube on top of the GL gives us tremendous versatility to automate and speed our elimination process," says Claire Sebti, Senior Director of Corporate Accounting at Oracle. A highlight of this story is that FAH is running in a co-existence environment. Our plan is to move to Fusion Financials in steps, starting with FAH. Next, our Oracle Financial Services Software subsidiary will move to a full Fusion Financials instance. Then we'll replace our EBS instance with Fusion Financials. This approach allows us to plan in steps, learn as we go, and not overwhelm our teams. It also reduces the risk that comes with moving the entire instance at once. Maria Smith, Vice President of Global Controller Operations, is confident about how they've positioned themselves to uptake more Fusion functionality and is eager to "continue to drive additional efficiency and cost savings." In this story, the happy customers are Oracle controllers, financial analysts, accounting specialists, and our management team that get earlier access to more flexible reporting. "Fusion Accounting Hub simplifies our processes and gives us more transparency into account activity," raves Alex SanJuan, Senior Director, Record to Report Strategic Process Owner. Overall, the team has been very impressed with the usability and functionality of FAH and are pleased with the quantifiable improvements. Claire Sebti states, "Our WD5 close activities have been reduced by at least four hours of system processing time, just for the consolidation group." Fusion Accounting Hub is an inspiring beginning to our Fusion Financials implementation story. There's no doubt it's going to be an international bestseller! Corey West, Senior Vice President Oracle's Corporate Controller and Chief Accounting Officer

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Seamless STP with Oracle SOA Suite

- by user12339860

STP stands for “Straight Through Processing”. Wikipedia describes STP as a solution that enables “the entire trade process for capital markets and payment transactions to be conducted electronically without the need for re-keying or manual intervention, subject to legal and regulatory restrictions” .I will deal with the later part of the definition i.e “payment transactions without manual intervention” in this article. The STP that I am writing about involves the interaction between a Bank and its’ corporate customers,to that extent this business case is also called “Corporate Payments”.Simply put a Corporate Payment-STP solution needs to connect the payment transaction right from the Corporate ERP into the Bank’s Payment Hub. A SOA based STP solution can do a lot more than just process transaction. But before I get to the solution let me describe the perspectives of the two primary parties in this interaction. The Corporate customer and the Bank. Corporate's Interaction with Bank: Typically it is the treasury department of an enterprise which interacts with the Bank on a daily basis. Here is how a day of interaction would look like from the treasury department of a corp. Corporate Cash Retrieve Beginning of day totals Monitor Cash Accounts Send or receive cash between accounts Supply chain payments Payment Settlements Calculate settlement positions Retrieve End of Day totals Assess Transaction Financial Impact Short Term Investment Desk Retrieve Current Account information Conduct Investment activities Bank’s Interaction with the Corporate : From the Bank’s perspective, the interaction starts from the point of on boarding a corporate customer to billing the corporate for the value added services it provides. Once the corporate is on-boarded the daily interaction involves Handle the various formats of data arriving from customers Process Beginning of Day & End of Day reporting request from customers Meet compliance requirements Process Payments Transmit Payment Status Challenges with this Interaction : Both the Bank & the Corporate face many challenges from these interactions. Some of the challenges include Keeping a consistent view of transaction data for various LOBs of the corporate & the Bank Corporate customers use different ERPs, hence the data formats are bound to be different Can the Bank’s IT systems convert the data formats that can be easily mapped to the corporate ERP How does the Bank manage the communication profiles of these customers? Corporate customers are demanding near real time visibility on their corporate accounts Corporate customers can make better cash management decisions if they can analyse the impact. Can the Bank create opportunities to sell its products to the investment desks at corporate houses & manage their orders? How will the Bank bill the corporate customer for the value added services it provides. What does a SOA based Seamless STP solution bring to the table? Highlights of Oracle SOA based STP solution For the Corporate Customer: No Manual or Paper based banking transactions Secure Delivery of Payment data to the Bank from multiple ERPs without customization Single Portal for monitoring & administering payment transactions Rule based validation of payments Customer has data necessary for more effective handling of payment and cash management decisions Business measurements track progress toward payment cost goals For the Bank: Reduces time & complexity of transactions Simplifies the process of introducing new products to corporate customers Single Payment hub for all corporate ERP payments across multiple instruments New Revenue sources by delivering value added services to customers Leverages existing payment infrastructure Remove Inconsistent data formats and interchange between bank and corporate systems Compliance and many other benefits

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Abstraction, Politics, and Software Architecture

Abstraction can be defined as a general concept and/or idea that lack any concrete details. Throughout history this type of thinking has led to an array of new ideas and innovations as well as increased confusion and conspiracy. If one was to look back at our history they will see that abstraction has been used in various forms throughout our past. When I was growing up I do not know how many times I heard politicians say “Leave no child left behind” or “No child left behind” as a major part of their campaign rhetoric in regards to a stance on education. As you can see their slogan is a perfect example of abstraction because it only offers a very general concept about improving our education system but they do not mention how they would like to do it. If they did then they would be adding concrete details to their abstraction thus turning it in to an actual working plan as to how we as a society can help children succeed in school and in life, but then they would not be using abstraction. By now I sure you are thinking what does abstraction have to do with software architecture. You are valid in thinking this way, but abstraction is a wonderful tool used in information technology especially in the world of software architecture. Abstraction is one method of extracting the concepts of an idea so that it can be understood and discussed by others of varying technical abilities and backgrounds. One ways in which I tend to extract my architectural design thoughts is through the use of basic diagrams to convey an idea for a system or a new feature for an existing application. This allows me to generically model an architectural design through the use of views and Unified Markup Language (UML). UML is a standard method for creating a 4+1 Architectural View Models. The 4+1 Architectural View Model consists of 4 views typically created with UML as well as a general description of the concept that is being expressed by a model. The 4+1 Architectural View Model: Logical View: Models a system’s end-user functionality. Development View: Models a system as a collection of components and connectors to illustrate how it is intended to be developed. Process View: Models the interaction between system components and connectors as to indicate the activities of a system. Physical View: Models the placement of the collection of components and connectors of a system within a physical environment. Recently I had to use the concept of abstraction to express an idea for implementing a new security framework on an existing website. My concept would add session based management in order to properly secure and allow page access based on valid user credentials and last user activity. I created a basic Process View by using UML diagrams to communicate the basic process flow of my changes in the application so that all of the projects stakeholders would be able to understand my idea. Additionally I created a Logical View on a whiteboard while conveying the process workflow with a few stakeholders to show how end-user will be affected by the new framework and gaining additional input about the design. After my Logical and Process Views were accepted I then started on creating a more detailed Development View in order to map how the system will be built based on the concept of components and connections based on the previously defined interactions. I really did not need to create a Physical view for this idea because we were updating an existing system that was already deployed based on an existing Physical View. What do you think about the use of abstraction in the development of software architecture? Please let me know.

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Implementing Service Level Agreements in Enterprise Manager 12c for Oracle Packaged Applications

- by Anand Akela

Contributed by Eunjoo Lee, Product Manager, Oracle Enterprise Manager. Service Level Management, or SLM, is a key tool in the proactive management of any Oracle Packaged Application (e.g., E-Business Suite, Siebel, PeopleSoft, JD Edwards E1, Fusion Apps, etc.). The benefits of SLM are that administrators can utilize representative Application transactions, which are constantly and automatically running behind the scenes, to verify that all of the key application and technology components of an Application are available and performing to expectations. A single transaction can verify the availability and performance of the underlying Application Tech Stack in a much more efficient manner than by monitoring the same underlying targets individually. In this article, we’ll be demonstrating SLM using Siebel Applications, but the same tools and processes apply to any of the Package Applications mentioned above. In this demonstration, we will log into the Siebel Application, navigate to the Contacts View, update a contact phone record, and then log-out. This transaction exposes availability and performance metrics of multiple Siebel Servers, multiple Components and Component Groups, and the Siebel Database - in a single unified manner. We can then monitor and manage these transactions like any other target in EM 12c, including placing pro-active alerts on them if the transaction is either unavailable or is not performing to required levels. The first step in the SLM process is recording the Siebel transaction. The following screenwatch demonstrates how to record Siebel transaction using an EM tool called “OpenScript”. A completed recording is called a “Synthetic Transaction”. The second step in the SLM process is uploading the Synthetic Transaction into EM 12c, and creating Generic Service Tests. We can create a Generic Service Test to execute our synthetic transactions at regular intervals to evaluate the performance of various business flows. As these transactions are running periodically, it is possible to monitor the performance of the Siebel Application by evaluating the performance of the synthetic transactions. The process of creating a Generic Service Test is detailed in the next screenwatch. EM 12c provides a guided workflow for all of the key creation steps, including configuring the Service Test, uploading of the Synthetic Test, determining the frequency of the Service Test, establishing beacons, and selecting performance and usage metrics, just to name a few. The third and final step in the SLM process is the creation of Service Level Agreements (SLA). Service Level Agreements allow Administrators to utilize the previously created Service Tests to specify expected service levels for Application availability, performance, and usage. SLAs can be created for different time periods and for different Service Tests. This last screenwatch demonstrates the process of creating an SLA, as well as highlights the Dashboards and Reports that Administrators can use to monitor Service Test results. Hopefully, this article provides you with a good start point for creating Service Level Agreements for your E-Business Suite, Siebel, PeopleSoft, JD Edwards E1, or Fusion Applications. Enterprise Manager Cloud Control 12c, with the Application Management Suites, represents a quick and easy way to implement Service Level Management capabilities at customer sites. Stay Connected: Twitter | Face book | You Tube | Linked in | Google+ | Newsletter

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Construction Paper, Legos, and Architectural Modeling

I can remember as a kid playing with construction paper and Legos to explore my imagination. Through my exploration I was able to build airplanes, footballs, guns, and more, out of paper. Additionally I could create entire cities, robots, or anything else I could image out of Legos. These toys, I now realize were in fact tools that gave me an opportunity to explore my ideas in the physical world through the use of modeling. My imagination was allowed to run wild as I, unknowingly at the time, made design decisions that directly affected the models I was building from the raw materials. To prove my point further, I can remember building a paper airplane that seemed to go nowhere when I tried to throw it. So I decided to attach a paper clip to the plane before I decided to throw it the next time to test my concept that by adding more weight to the plane that it would fly better and for longer distances. The paper airplane allowed me to model my design decision through the use of creating an artifact in that I created a paper airplane that was carrying extra weight through the incorporation of the paper clip in to the design. Also, I remember using Legos to build all sorts of creations, and these creations became artifacts of my imagination. As I further and further defined my Lego creations through the process of playing I was able to create elaborate artifacts of my imagination. These artifacts represented design decision I had made in the evolution of my creation through my child like design process. In some form or fashion the artifacts I created as a kid are very similar to the artifacts that I create when I model a software architectural concept or a software design in that the process of making decisions is directly translated in to a tangible model in the form of an architectural model. Architectural models have been defined as artifacts that depict design decisions of a system’s architecture. The act of creating architectural models is the act of architectural modeling. Furthermore, architectural modeling is the process of creating a physical model based architectural concepts and documenting these design decisions. In the process of creating models, the standard notation used is Architectural modeling notation. This notation is the primary method of capturing the essence of design decisions regarding architecture. Modeling notations can vary based on the need and intent of a project; typically they range from natural language to a diagram based notation. Currently, Unified Markup Language (UML) is the industry standard in terms of architectural modeling notation because allows for architectures to be defined through a series of boxes, lines, arrows and other basic symbols that encapsulate design designs in to virtual components, connectors, configurations and interfaces. Furthermore UML allows for additional break down of models through the use of natural language as to explain each section of the model in plain English. One of the major factors in architectural modeling is to define what is to be modeled. As a basic rule of thumb, I tend to model architecture based on the complexity of systems or sub sub-systems of architecture. Another key factor is the level of detail that is actually needed for a model. For example if I am modeling a system for a CEO to view then the low level details will be omitted. In comparison, if I was modeling a system for another engineer to actually implement I would include as much detailed information as I could to help the engineer implement my design.

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With a little effort you can “SEMI”-protect your C# assemblies with obfuscation.

- by mbcrump

This method will not protect your assemblies from a experienced hacker. Everyday we see new keygens, cracks, serials being released that contain ways around copy protection from small companies. This is a simple process that will make a lot of hackers quit because so many others use nothing. If you were a thief would you pick the house that has security signs and an alarm or one that has nothing? To so begin: Obfuscation is the concealment of meaning in communication, making it confusing and harder to interpret. Lets begin by looking at the cartoon below: You are probably familiar with the term and probably ignored this like most programmers ignore user security. Today, I’m going to show you reflection and a way to obfuscate it. Please understand that I am aware of ways around this, but I believe some security is better than no security. In this sample program below, the code appears exactly as it does in Visual Studio. When the program runs, you get either a true or false in a console window. Sample Program. using System; using System.Diagnostics; using System.Linq; namespace ObfuscateMe { class Program { static void Main(string[] args) { Console.WriteLine(IsProcessOpen("notepad")); //Returns a True or False depending if you have notepad running. Console.ReadLine(); } public static bool IsProcessOpen(string name) { return Process.GetProcesses().Any(clsProcess => clsProcess.ProcessName.Contains(name)); } } } Pretend, that this is a commercial application. The hacker will only have the executable and maybe a few config files, etc. After reviewing the executable, he can determine if it was produced in .NET by examing the file in ILDASM or Redgate’s Reflector. We are going to examine the file using RedGate’s Reflector. Upon launch, we simply drag/drop the exe over to the application. We have the following for the Main method: and for the IsProcessOpen method: Without any other knowledge as to how this works, the hacker could export the exe and get vs project build or copy this code in and our application would run. Using Reflector output. using System; using System.Diagnostics; using System.Linq; namespace ObfuscateMe { class Program { static void Main(string[] args) { Console.WriteLine(IsProcessOpen("notepad")); Console.ReadLine(); } public static bool IsProcessOpen(string name) { return Process.GetProcesses().Any<Process>(delegate(Process clsProcess) { return clsProcess.ProcessName.Contains(name); }); } } } The code is not identical, but returns the same value. At this point, with a little bit of effort you could prevent the hacker from reverse engineering your code so quickly by using Eazfuscator.NET. Eazfuscator.NET is just one of many programs built for this. Visual Studio ships with a community version of Dotfoscutor. So download and load Eazfuscator.NET and drag/drop your exectuable/project into the window. It will work for a few minutes depending if you have a quad-core or not. After it finishes, open the executable in RedGate Reflector and you will get the following: Main After Obfuscation IsProcessOpen Method after obfuscation: As you can see with the jumbled characters, it is not as easy as the first example. I am aware of methods around this, but it takes more effort and unless the hacker is up for the challenge, they will just pick another program. This is also helpful if you are a consultant and make clients pay a yearly license fee. This would prevent the average software developer from jumping into your security routine after you have left. I hope this article helped someone. If you have any feedback, please leave it in the comments below.

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Editing files without race conditions?

- by user2569445

I have a CSV file that needs to be edited by multiple processes at the same time. My question is, how can I do this without introducing race conditions? It's easy to write to the end of the file without race conditions by open(2)ing it in "a" (O_APPEND) mode and simply write to it. Things get more difficult when removing lines from the file. The easiest solution is to read the file into memory, make changes to it, and overwrite it back to the file. If another process writes to it after it is in memory, however, that new data will be lost upon overwriting. To further complicate matters, my platform does not support POSIX record locks, checking for file existence is a race condition waiting to happen, rename(2) replaces the destination file if it exists instead of failing, and editing files in-place leaves empty bytes in it unless the remaining bytes are shifted towards the beginning of the file. My idea for removing a line is this (in pseudocode): filename = "/home/user/somefile"; file = open(filename, "r"); tmp = open(filename+".tmp", "ax") || die("could not create tmp file"); //"a" is O_APPEND, "x" is O_EXCL|O_CREAT while(write(tmp, read(file)); //copy the $file to $file+".new" close(file); //edit tmp file unlink(filename) || die("could not unlink file"); file = open(filename, "wx") || die("another process must have written to the file after we copied it."); //"w" is overwrite, "x" is force file creation while(write(file, read(tmp))); //copy ".tmp" back to the original file unlink(filename+".tmp") || die("could not unlink tmp file"); Or would I be better off with a simple lock file? Appender process: lock = open(filename+".lock", "wx") || die("could not lock file"); file = open(filename, "a"); write(file, "stuff"); close(file); close(lock); unlink(filename+".lock"); Editor process: lock = open(filename+".lock", "wx") || die("could not lock file"); file = open(filename, "rw"); while(contents += read(file)); //edit "contents" write(file, contents); close(file); close(lock); unlink(filename+".lock"); Both of these rely on an additional file that will be left over if a process terminates before unlinking it, causing other processes to refuse to write to the original file. In my opinion, these problems are brought on by the fact that the OS allows multiple writable file descriptors to be opened on the same file at the same time, instead of failing if a writable file descriptor is already open. It seems that O_CREAT|O_EXCL is the closest thing to a real solution for preventing filesystem race conditions, aside from POSIX record locks. Another possible solution is to separate the file into multiple files and directories, so that more granular control can be gained over components (lines, fields) of the file using O_CREAT|O_EXCL. For example, "file/$id/$field" would contain the value of column $field of the line $id. It wouldn't be a CSV file anymore, but it might just work. Yes, I know I should be using a database for this as databases are built to handle these types of problems, but the program is relatively simple and I was hoping to avoid the overhead. So, would any of these patterns work? Is there a better way? Any insight into these kinds of problems would be appreciated.

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Where do I find scripts generated by SharePoint MCMS Migration Profiles

- by HipCzeck

I am attempting to migrate data from an Microsoft Content Management Server (MCMS) 2002 instance into a new Microsoft Office Sharepoint Server (MOSS) 2007 installation using the Manage Microsoft Content Management Server Migration Profiles tool in the Operations space of MOSS Central Administration. When analyzing the profile, I receive 4 warnings, all of which may be safely ignored, but when I actually execute the migration profile, I get the same warnings and an additional error with a description of: Line 6: Incorrect syntax near ';'. I have seen this error numerous times when mucking about in SQL Server and recognize it as a Transact SQL error message, but can't find the actual SQL statement that is being executed so that I may determine the source of the error. EDIT: After enabling verbose logging on the MCMS 2002 Migration category, and poring through the Unified Logging Service (ULS) logs, I received a more complete stack trace at the point of the error, and a couple more anomalies listed below. Anomalies: The following is an abbreviated listing from the ULS logs around the time of the pre-migration analysis. 01 MCMS 2002 Migration Verbose Start ConnectionCheck 02 MCMS 2002 Migration Verbose End ConnectionCheck 03 MCMS 2002 Migration Verbose Start DatabaseCheck 04 MCMS 2002 Migration High Extra table SiteDeployLock will not be migrated 05 MCMS 2002 Migration High Analysis: Extra index PK__SiteDeployLock__05D8E0BE 06 MCMS 2002 Migration Verbose End DatabaseCheck 07 MCMS 2002 Migration Medium Pre-migration analysis: RootCheckTask is skipped because database check is blocked. 08 MCMS 2002 Migration Medium Pre-migration analysis: RightsGroupNameCheckTask is skipped because database check is blocked. 09 MCMS 2002 Migration Medium Pre-migration analysis: InvalidNameCheckTask is skipped because database check is blocked. 10 MCMS 2002 Migration Medium Pre-migration analysis: LeafNameCheckTask is skipped because database check is blocked. 11 MCMS 2002 Migration Medium Pre-migration analysis: LeafLengthCheckTask is skipped because database check is blocked. 12 MCMS 2002 Migration Medium Pre-migration analysis: TemplateNameCheckTask is skipped because database check is blocked. 13 MCMS 2002 Migration Medium Pre-migration analysis: TemplateCollisionCheckTask is skipped because database check is blocked. 14 MCMS 2002 Migration Medium Pre-migration analysis: PlaceholderCheckTask is skipped because database check is blocked. 15 MCMS 2002 Migration Medium Pre-migration analysis: CheckedOutItemsCheckTask is skipped because database check is blocked. 16 MCMS 2002 Migration Medium Pre-migration analysis: SubmittedItemsCheckTask is skipped because database check is blocked. 17 MCMS 2002 Migration Medium Pre-migration analysis: DeletedItemsCheckTask is skipped because database check is blocked. 18 MCMS 2002 Migration Medium Pre-migration analysis: UserCheckTask is skipped because database check is blocked. 19 MCMS 2002 Migration Medium Pre-migration analysis: FileSizeCheckTask is skipped because database check is blocked. 20 MCMS 2002 Migration Medium Pre-migration analysis: HostHeaderMapCheckTask is skipped because database check is blocked. 21 MCMS 2002 Migration Verbose Start Server check 22 MCMS 2002 Migration Verbose End Server check 23 MCMS 2002 Migration Verbose Start Server emptyness check 24 MCMS 2002 Migration Verbose End Server emptyness check 25 MCMS 2002 Migration Medium PreMigrationAnalyzer: Dry run starts 26 MCMS 2002 Migration Verbose CleanLockProcedure: start. 27 MCMS 2002 Migration High CleanLockProcedure: connection system lock is null 28 MCMS 2002 Migration Verbose Finished all tasks 29 MCMS 2002 Migration High PreMigrationAnalyzer ends with True 30 MCMS 2002 Migration Verbose Migration profile status is changed to AnalysisPassed Specifically, the two High level alerts on lines 4 and 5 are reflected in the migration report as warnings when running Pre-migration Analysis or running the migration profile. In addition, two other warnings appear in the migration report indicating two tables containing data (LayoutProperty and NodeLayout) that should be empty. According to the documentation, warnings are not sufficient cause to stop migration from occurring. Other anomalies are on lines 7-20 indicating a series of tests that are skipped because database check is blocked. The ULS doesn't give any additional warnings to indicate that the database check was blocked or exited in exceptional circumstances. After switching the profile from pre-migration analysis to exporting, there is one medium level warning that LastChangeTime is not set or incorrect. (null). As with all the skipped test names and SQL table names from the warnings, the major search engines are unable (with the exception of LayoutProperty) to find any reference to these objects or tests. Finally, the section of the log indicating the actual live migration attempt is appended below: 01 MCMS 2002 Migration Medium LastChangeTime is not set or incorrect. (null) 02 MCMS 2002 Migration Verbose Set export lock 03 MCMS 2002 Migration Verbose CleanLockProcedure: start. 04 MCMS 2002 Migration Verbose CleanLockProcedure: end. 05 MCMS 2002 Migration Verbose Prepare for export 06 MCMS 2002 Migration Verbose Open connection... 07 MCMS 2002 Migration Verbose Create temporary stored procedures 08 MCMS 2002 Migration Verbose Create temporary tables... 09 MCMS 2002 Migration Verbose Initialize temporary tables... 10 MCMS 2002 Migration Verbose InitializeTemporaryTables: start 11 MCMS 2002 Migration Verbose Initialize export table... 12 MCMS 2002 Migration Verbose InitializeExportTable: start 13 MCMS 2002 Migration Verbose CleanLockProcedure: start. 14 MCMS 2002 Migration Verbose CleanLockProcedure: end. 15 MCMS 2002 Migration High Migration throws exception: Line 6: Incorrect syntax near ';'.. Stacktrace: at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Microsoft.SharePoint.Publishing.Internal.Administration... 16 MCMS 2002 Migration High ....MigrationBatchCommand.ExecuteImmediate(String command) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationBatchCommand.ExecuteWaitingCommands() at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDBSerializer.SerializeSelectedExportObject(StringCollection objectAttribs) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess.InitializeExportTable(ScopeType scopeType) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess.InitializeTemporaryTables(DateTime lastChangeTime) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess.InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis, SqlConnection connection) at Microsoft.SharePoint.Publishing.Internal.Admin... 17 MCMS 2002 Migration High ...stration.MigrationDataAccess.InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis) at Microsoft.SharePoint.Publishing.Administration.ContentMigration.Export(MigrationDataAccess dataAccess) at Microsoft.SharePoint.Publishing.Administration.ContentMigration.MigrateInternal(). 18 MCMS 2002 Migration Verbose MigrationProfile: GetInstance. Start. 19 MCMS 2002 Migration Verbose MigrationProfile: GetInstance. End. 20 MCMS 2002 Migration Verbose Migration profile status is changed to Failed The stack trace of the failed parsing of the SQL command appear on lines 15-17. A cleaner version of the stack trace is appended below. Full Stack Trace: Migration throws exception: Line 6: Incorrect syntax near ';'.. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning( TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationBatchCommand .ExecuteImmediate(String command) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationBatchCommand .ExecuteWaitingCommands() at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDBSerializer .SerializeSelectedExportObject(StringCollection objectAttribs) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeExportTable(ScopeType scopeType) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeTemporaryTables(DateTime lastChangeTime) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis, SqlConnection connection) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis) at Microsoft.SharePoint.Publishing.Administration.ContentMigration.Export (MigrationDataAccess dataAccess) at Microsoft.SharePoint.Publishing.Administration.ContentMigration .MigrateInternal(). None of this log information indicates the SQL command that is failing a parser check. I've checked the SQL servers hosting the source and destination databases for a trace of the query, but neither seems to have triggered the parse failure condition. That appears to have happened on the SharePoint server. Are there any other locations I should investigate that might tell me where to find the source of the error?

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How do I configure Tomcat services in Ubuntu?

- by Karan

I have created a Tomcat script inside the /etc/init.d directory which is #!/bin/bash # description: Tomcat Start Stop Restart # processname: tomcat # chkconfig: 234 20 80 JAVA_HOME=/usr/java/jdk1.6.0_30 export JAVA_HOME PATH=$JAVA_HOME/bin:$PATH export PATH CATALINA_HOME=/usr/tomcat/apache-tomcat-6.0.32 case $1 in start) sh $CATALINA_HOME/bin/startup.sh ;; stop) sh $CATALINA_HOME/bin/shutdown.sh ;; restart) sh $CATALINA_HOME/bin/shutdown.sh sh $CATALINA_HOME/bin/startup.sh ;; esac exit 0 After this I am trying to add this into chkconfig which is as [root@blanche init.d]# chkconfig --add tomcat [root@blanche init.d]# chkconfig --level 234 tomcat on But it is giving me the following error: [root@blanche init.d]:/etc/init.d$ chkconfig --add tomcat insserv: warning: script 'K20acpi-support' missing LSB tags and overrides insserv: warning: script 'tomcat' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'failsafe-x' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'acpid' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'dmesg' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'udevmonitor' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'ufw' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'module-init-tools' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'plymouth-splash' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'gdm' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'rsyslog' missing LSB tags and overrides insserv: warning: current start runlevel(s) (0 6) of script `wpa-ifupdown' overwrites defaults (empty). The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'hwclock' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'console-setup' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'udev' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'plymouth-log' missing LSB tags and overrides insserv: warning: current start runlevel(s) (0) of script `halt' overwrites defaults (empty). The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'mysql' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'atd' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'network-manager' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'alsa-mixer-save' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'udev-finish' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'screen-cleanup' missing LSB tags and overrides insserv: warning: script 'acpi-support' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'avahi-daemon' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'dbus' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'procps' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'irqbalance' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'plymouth-stop' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'anacron' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'plymouth' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'udevtrigger' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'hostname' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'hwclock-save' missing LSB tags and overrides insserv: warning: current start runlevel(s) (0 6) of script `networking' overwrites defaults (empty). insserv: warning: current start runlevel(s) (0 6) of script `umountfs' overwrites defaults (empty). insserv: warning: current start runlevel(s) (0 6) of script `umountnfs.sh' overwrites defaults (empty). The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'network-interface' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'network-interface-security' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'cron' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'apport' missing LSB tags and overrides insserv: warning: current start runlevel(s) (6) of script `reboot' overwrites defaults (empty). insserv: warning: current start runlevel(s) (0 6) of script `umountroot' overwrites defaults (empty). insserv: warning: current start runlevel(s) (0 6) of script `sendsigs' overwrites defaults (empty). insserv: There is a loop between service rsyslog and pulseaudio if stopped insserv: loop involving service pulseaudio at depth 3 insserv: loop involving service rsyslog at depth 2 insserv: loop involving service udev at depth 1 insserv: There is a loop between service rsyslog and pulseaudio if stopped insserv: loop involving service bluetooth at depth 2 insserv: exiting now without changing boot order! /sbin/insserv failed, exit code 1 tomcat 0:off 1:off 2:off 3:off 4:off 5:off 6:off Please suggest what to do for configuring a Tomcat server as a service.

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Lighttpd not cleanly restarting (address already in use)

- by NilObject

When doing a dist-upgrade recently, my lighttpd-1.4.19 install on Ubuntu 8.0.4 has begun failing to restart or reload properly with the /etc/init.d/lighttpd restart command. ~$ sudo /etc/init.d/lighttpd restart * Stopping web server lighttpd ...done. * Starting web server lighttpd 2009-06-13 04:06:36: (network.c.300) can't bind to port: 80 Address already in use ...fail! The same error occurs when I do a reload. The way I get around it is to kill lighttpd and then issue the start command, but it seems like I shouldn't have to do that :) I've looked at my config files, and can't spot any immediate errors. Does anyone have any ideas what can be causing this error? This seems to be the latest version as of writing this question that is available via the apt-get route. My config file is: # Debian lighttpd configuration file # ############ Options you really have to take care of #################### ## modules to load # mod_access, mod_accesslog and mod_alias are loaded by default # all other module should only be loaded if neccesary # - saves some time # - saves memory server.modules = ( "mod_access", "mod_alias", "mod_accesslog", "mod_compress", "mod_fastcgi", "mod_rewrite", "mod_redirect", ) ## a static document-root, for virtual-hosting take look at the ## server.virtual-* options server.document-root = "/var/www/" ## where to send error-messages to server.errorlog = "/var/log/lighttpd/error.log" fastcgi.server = (".php" => (( "bin-path" => "/usr/bin/php5-cgi", "socket" => "/tmp/php.socket" ))) ## files to check for if .../ is requested index-file.names = ( "index.php", "index.html", "index.htm", "default.htm", "index.lighttpd.html" ) ## Use the "Content-Type" extended attribute to obtain mime type if possible # mimetype.use-xattr = "enable" #### accesslog module accesslog.filename = "/var/log/lighttpd/access.log" ## deny access the file-extensions # # ~ is for backupfiles from vi, emacs, joe, ... # .inc is often used for code includes which should in general not be part # of the document-root url.access-deny = ( "~", ".inc" ) ## # which extensions should not be handle via static-file transfer # # .php, .pl, .fcgi are most often handled by mod_fastcgi or mod_cgi static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) mimetype.assign = ( ".pdf" => "application/pdf", ".sig" => "application/pgp-signature", ".spl" => "application/futuresplash", ".class" => "application/octet-stream", ".ps" => "application/postscript", ".torrent" => "application/x-bittorrent", ".dvi" => "application/x-dvi", ".gz" => "application/x-gzip", ".pac" => "application/x-ns-proxy-autoconfig", ".swf" => "application/x-shockwave-flash", ".tar.gz" => "application/x-tgz", ".tgz" => "application/x-tgz", ".tar" => "application/x-tar", ".zip" => "application/zip", ".mp3" => "audio/mpeg", ".m3u" => "audio/x-mpegurl", ".wma" => "audio/x-ms-wma", ".wax" => "audio/x-ms-wax", ".ogg" => "audio/x-wav", ".wav" => "audio/x-wav", ".gif" => "image/gif", ".jpg" => "image/jpeg", ".jpeg" => "image/jpeg", ".png" => "image/png", ".xbm" => "image/x-xbitmap", ".xpm" => "image/x-xpixmap", ".xwd" => "image/x-xwindowdump", ".css" => "text/css", ".html" => "text/html", ".htm" => "text/html", ".js" => "text/javascript", ".asc" => "text/plain", ".c" => "text/plain", ".conf" => "text/plain", ".text" => "text/plain", ".txt" => "text/plain", ".dtd" => "text/xml", ".xml" => "text/xml", ".rss" => "application/rss+xml", ".mpeg" => "video/mpeg", ".mpg" => "video/mpeg", ".mov" => "video/quicktime", ".qt" => "video/quicktime", ".avi" => "video/x-msvideo", ".asf" => "video/x-ms-asf", ".asx" => "video/x-ms-asf", ".wmv" => "video/x-ms-wmv", ".bz2" => "application/x-bzip", ".tbz" => "application/x-bzip-compressed-tar", ".tar.bz2" => "application/x-bzip-compressed-tar" ) include_shell "/usr/share/lighttpd/include-conf-enabled.pl" My /etc/init.d/lighttpd script is (untouched from installation): #!/bin/sh ### BEGIN INIT INFO # Provides: lighttpd # Required-Start: networking # Required-Stop: networking # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Start the lighttpd web server. ### END INIT INFO PATH=/sbin:/bin:/usr/sbin:/usr/bin DAEMON=/usr/sbin/lighttpd NAME=lighttpd DESC="web server" PIDFILE=/var/run/$NAME.pid SCRIPTNAME=/etc/init.d/$NAME ENV="env -i LANG=C PATH=/usr/local/bin:/usr/bin:/bin" SSD="/sbin/start-stop-daemon" DAEMON_OPTS="-f /etc/lighttpd/lighttpd.conf" test -x $DAEMON || exit 0 set -e # be sure there is a /var/run/lighttpd, even with tmpfs mkdir -p /var/run/lighttpd > /dev/null 2> /dev/null chown www-data:www-data /var/run/lighttpd chmod 0750 /var/run/lighttpd . /lib/lsb/init-functions case "$1" in start) log_daemon_msg "Starting $DESC" $NAME if ! $ENV $SSD --start --quiet\ --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_OPTS ; then log_end_msg 1 else log_end_msg 0 fi ;; stop) log_daemon_msg "Stopping $DESC" $NAME if $SSD --quiet --stop --oknodo --retry 30\ --pidfile $PIDFILE --exec $DAEMON; then rm -f $PIDFILE log_end_msg 0 else log_end_msg 1 fi ;; reload) log_daemon_msg "Reloading $DESC configuration" $NAME if $SSD --stop --signal 2 --oknodo --retry 30\ --quiet --pidfile $PIDFILE --exec $DAEMON; then if $ENV $SSD --start --quiet \ --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_OPTS ; then log_end_msg 0 else log_end_msg 1 fi else log_end_msg 1 fi ;; restart|force-reload) $0 stop [ -r $PIDFILE ] && while pidof lighttpd |\ grep -q `cat $PIDFILE 2>/dev/null` 2>/dev/null ; do sleep 1; done $0 start ;; *) echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2 exit 1 ;; esac exit 0

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Unity completely broken after upgrade to 12.10?

- by NlightNFotis

I am facing a very frustrating issue with my computer right now. I successfully upgraded to Ubuntu 12.10 this afternoon, but after the upgrade, the graphical user interface seems completely broken. To be more specific, I can not get the Unity bar to appear on the right. I have tried many things, including (but not limited to) purging and then reinstalling the fglrx drivers, apt-get install --reinstall ubuntu-desktop, apt-get install --reinstall unity, tried to remove the Xorg and Compiz configurations, checked to see if the Ubuntu Unity wall was enabled (it was) in ccsm, all to no avail. Could someone help me troubleshoot and essentially fix this issue? NOTE: This is the output when I try to enable unity via a terminal: compiz (core) - Info: Loading plugin: core compiz (core) - Info: Starting plugin: core unity-panel-service: no process found compiz (core) - Info: Loading plugin: reset compiz (core) - Error: Failed to load plugin: reset compiz (core) - Info: Loading plugin: ccp compiz (core) - Info: Starting plugin: ccp compizconfig - Info: Backend : gsettings compizconfig - Info: Integration : true compizconfig - Info: Profile : unity compiz (core) - Info: Loading plugin: composite compiz (core) - Info: Starting plugin: composite compiz (core) - Info: Loading plugin: opengl X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 153 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerString) Serial number of failed request: 22 Current serial number in output stream: 22 compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow). compiz (core) - Info: Starting plugin: opengl Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 compiz (core) - Error: Plugin initScreen failed: opengl compiz (core) - Error: Failed to start plugin: opengl compiz (core) - Info: Unloading plugin: opengl compiz (core) - Info: Loading plugin: decor compiz (core) - Info: Starting plugin: decor compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available compiz (decor) - Warn: requested a pixmap type decoration when compositing isn't available Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 compiz (core) - Info: Loading plugin: imgpng compiz (core) - Info: Starting plugin: imgpng compiz (core) - Info: Loading plugin: vpswitch compiz (core) - Info: Starting plugin: vpswitch compiz (core) - Info: Loading plugin: resize compiz (core) - Info: Starting plugin: resize Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 compiz (core) - Info: Loading plugin: compiztoolbox compiz (core) - Info: Starting plugin: compiztoolbox compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Info: Loading plugin: move compiz (core) - Info: Starting plugin: move compiz (core) - Info: Loading plugin: gnomecompat compiz (core) - Info: Starting plugin: gnomecompat compiz (core) - Info: Loading plugin: mousepoll compiz (core) - Info: Starting plugin: mousepoll compiz (core) - Info: Loading plugin: wall compiz (core) - Info: Starting plugin: wall compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Error: Plugin init failed: wall compiz (core) - Error: Failed to start plugin: wall compiz (core) - Info: Unloading plugin: wall compiz (core) - Info: Loading plugin: regex compiz (core) - Info: Starting plugin: regex compiz (core) - Info: Loading plugin: snap compiz (core) - Info: Starting plugin: snap compiz (core) - Info: Loading plugin: unitymtgrabhandles compiz (core) - Info: Starting plugin: unitymtgrabhandles compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Error: Plugin init failed: unitymtgrabhandles compiz (core) - Error: Failed to start plugin: unitymtgrabhandles compiz (core) - Info: Unloading plugin: unitymtgrabhandles compiz (core) - Info: Loading plugin: place compiz (core) - Info: Starting plugin: place compiz (core) - Info: Loading plugin: grid compiz (core) - Info: Starting plugin: grid Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 compiz (core) - Info: Loading plugin: animation compiz (core) - Info: Starting plugin: animation compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Error: Plugin init failed: animation compiz (core) - Error: Failed to start plugin: animation compiz (core) - Info: Unloading plugin: animation compiz (core) - Info: Loading plugin: fade compiz (core) - Info: Starting plugin: fade compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Error: Plugin init failed: fade compiz (core) - Error: Failed to start plugin: fade compiz (core) - Info: Unloading plugin: fade compiz (core) - Info: Loading plugin: session compiz (core) - Info: Starting plugin: session compiz (core) - Info: Loading plugin: expo compiz (core) - Info: Starting plugin: expo compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Error: Plugin init failed: expo compiz (core) - Error: Failed to start plugin: expo compiz (core) - Info: Unloading plugin: expo compiz (core) - Info: Loading plugin: ezoom compiz (core) - Info: Starting plugin: ezoom compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Error: Plugin init failed: ezoom compiz (core) - Error: Failed to start plugin: ezoom compiz (core) - Info: Unloading plugin: ezoom compiz (core) - Info: Loading plugin: workarounds compiz (core) - Info: Starting plugin: workarounds compiz (core) - Error: Plugin 'opengl' not loaded. Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 compiz (core) - Info: Loading plugin: scale compiz (core) - Info: Starting plugin: scale compiz (core) - Error: Plugin 'opengl' not loaded. compiz (core) - Error: Plugin init failed: scale compiz (core) - Error: Failed to start plugin: scale compiz (core) - Info: Unloading plugin: scale Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Compiz (opengl) - Fatal: glXQueryExtensionsString is NULL for screen 0 Segmentation fault (core dumped)

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Parallelism in .NET – Part 3, Imperative Data Parallelism: Early Termination

- by Reed

Although simple data parallelism allows us to easily parallelize many of our iteration statements, there are cases that it does not handle well. In my previous discussion, I focused on data parallelism with no shared state, and where every element is being processed exactly the same. Unfortunately, there are many common cases where this does not happen. If we are dealing with a loop that requires early termination, extra care is required when parallelizing. Often, while processing in a loop, once a certain condition is met, it is no longer necessary to continue processing. This may be a matter of finding a specific element within the collection, or reaching some error case. The important distinction here is that, it is often impossible to know until runtime, what set of elements needs to be processed. In my initial discussion of data parallelism, I mentioned that this technique is a candidate when you can decompose the problem based on the data involved, and you wish to apply a single operation concurrently on all of the elements of a collection. This covers many of the potential cases, but sometimes, after processing some of the elements, we need to stop processing. As an example, lets go back to our previous Parallel.ForEach example with contacting a customer. However, this time, we’ll change the requirements slightly. In this case, we’ll add an extra condition – if the store is unable to email the customer, we will exit gracefully. The thinking here, of course, is that if the store is currently unable to email, the next time this operation runs, it will handle the same situation, so we can just skip our processing entirely. The original, serial case, with this extra condition, might look something like the following: foreach(var customer in customers) { // Run some process that takes some time... DateTime lastContact = theStore.GetLastContact(customer); TimeSpan timeSinceContact = DateTime.Now - lastContact; // If it's been more than two weeks, send an email, and update... if (timeSinceContact.Days > 14) { // Exit gracefully if we fail to email, since this // entire process can be repeated later without issue. if (theStore.EmailCustomer(customer) == false) break; customer.LastEmailContact = DateTime.Now; } } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } Here, we’re processing our loop, but at any point, if we fail to send our email successfully, we just abandon this process, and assume that it will get handled correctly the next time our routine is run. If we try to parallelize this using Parallel.ForEach, as we did previously, we’ll run into an error almost immediately: the break statement we’re using is only valid when enclosed within an iteration statement, such as foreach. When we switch to Parallel.ForEach, we’re no longer within an iteration statement – we’re a delegate running in a method. This needs to be handled slightly differently when parallelized. Instead of using the break statement, we need to utilize a new class in the Task Parallel Library: ParallelLoopState. The ParallelLoopState class is intended to allow concurrently running loop bodies a way to interact with each other, and provides us with a way to break out of a loop. In order to use this, we will use a different overload of Parallel.ForEach which takes an IEnumerable<T> and an Action<T, ParallelLoopState> instead of an Action<T>. Using this, we can parallelize the above operation by doing: Parallel.ForEach(customers, (customer, parallelLoopState) => { // Run some process that takes some time... DateTime lastContact = theStore.GetLastContact(customer); TimeSpan timeSinceContact = DateTime.Now - lastContact; // If it's been more than two weeks, send an email, and update... if (timeSinceContact.Days > 14) { // Exit gracefully if we fail to email, since this // entire process can be repeated later without issue. if (theStore.EmailCustomer(customer) == false) parallelLoopState.Break(); else customer.LastEmailContact = DateTime.Now; } }); There are a couple of important points here. First, we didn’t actually instantiate the ParallelLoopState instance. It was provided directly to us via the Parallel class. All we needed to do was change our lambda expression to reflect that we want to use the loop state, and the Parallel class creates an instance for our use. We also needed to change our logic slightly when we call Break(). Since Break() doesn’t stop the program flow within our block, we needed to add an else case to only set the property in customer when we succeeded. This same technique can be used to break out of a Parallel.For loop. That being said, there is a huge difference between using ParallelLoopState to cause early termination and to use break in a standard iteration statement. When dealing with a loop serially, break will immediately terminate the processing within the closest enclosing loop statement. Calling ParallelLoopState.Break(), however, has a very different behavior. The issue is that, now, we’re no longer processing one element at a time. If we break in one of our threads, there are other threads that will likely still be executing. This leads to an important observation about termination of parallel code: Early termination in parallel routines is not immediate. Code will continue to run after you request a termination. This may seem problematic at first, but it is something you just need to keep in mind while designing your routine. ParallelLoopState.Break() should be thought of as a request. We are telling the runtime that no elements that were in the collection past the element we’re currently processing need to be processed, and leaving it up to the runtime to decide how to handle this as gracefully as possible. Although this may seem problematic at first, it is a good thing. If the runtime tried to immediately stop processing, many of our elements would be partially processed. It would be like putting a return statement in a random location throughout our loop body – which could have horrific consequences to our code’s maintainability. In order to understand and effectively write parallel routines, we, as developers, need a subtle, but profound shift in our thinking. We can no longer think in terms of sequential processes, but rather need to think in terms of requests to the system that may be handled differently than we’d first expect. This is more natural to developers who have dealt with asynchronous models previously, but is an important distinction when moving to concurrent programming models. As an example, I’ll discuss the Break() method. ParallelLoopState.Break() functions in a way that may be unexpected at first. When you call Break() from a loop body, the runtime will continue to process all elements of the collection that were found prior to the element that was being processed when the Break() method was called. This is done to keep the behavior of the Break() method as close to the behavior of the break statement as possible. We can see the behavior in this simple code: var collection = Enumerable.Range(0, 20); var pResult = Parallel.ForEach(collection, (element, state) => { if (element > 10) { Console.WriteLine("Breaking on {0}", element); state.Break(); } Console.WriteLine(element); }); If we run this, we get a result that may seem unexpected at first: 0 2 1 5 6 3 4 10 Breaking on 11 11 Breaking on 12 12 9 Breaking on 13 13 7 8 Breaking on 15 15 What is occurring here is that we loop until we find the first element where the element is greater than 10. In this case, this was found, the first time, when one of our threads reached element 11. It requested that the loop stop by calling Break() at this point. However, the loop continued processing until all of the elements less than 11 were completed, then terminated. This means that it will guarantee that elements 9, 7, and 8 are completed before it stops processing. You can see our other threads that were running each tried to break as well, but since Break() was called on the element with a value of 11, it decides which elements (0-10) must be processed. If this behavior is not desirable, there is another option. Instead of calling ParallelLoopState.Break(), you can call ParallelLoopState.Stop(). The Stop() method requests that the runtime terminate as soon as possible , without guaranteeing that any other elements are processed. Stop() will not stop the processing within an element, so elements already being processed will continue to be processed. It will prevent new elements, even ones found earlier in the collection, from being processed. Also, when Stop() is called, the ParallelLoopState’s IsStopped property will return true. This lets longer running processes poll for this value, and return after performing any necessary cleanup. The basic rule of thumb for choosing between Break() and Stop() is the following. Use ParallelLoopState.Stop() when possible, since it terminates more quickly. This is particularly useful in situations where you are searching for an element or a condition in the collection. Once you’ve found it, you do not need to do any other processing, so Stop() is more appropriate. Use ParallelLoopState.Break() if you need to more closely match the behavior of the C# break statement. Both methods behave differently than our C# break statement. Unfortunately, when parallelizing a routine, more thought and care needs to be put into every aspect of your routine than you may otherwise expect. This is due to my second observation: Parallelizing a routine will almost always change its behavior. This sounds crazy at first, but it’s a concept that’s so simple its easy to forget. We’re purposely telling the system to process more than one thing at the same time, which means that the sequence in which things get processed is no longer deterministic. It is easy to change the behavior of your routine in very subtle ways by introducing parallelism. Often, the changes are not avoidable, even if they don’t have any adverse side effects. This leads to my final observation for this post: Parallelization is something that should be handled with care and forethought, added by design, and not just introduced casually.

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Cannot install mysql-server (5.5.22) on clean ubuntu 12.04 LTS server

- by Christian

I have a clean minimal install of Ubuntu 12.04 LTS server 64-bit (just a root user and nothing alse installed). I tried to install the mysql-server with the following command: apt-get install mysql-server The installation aborts with the following error: The following NEW packages will be installed: libdbd-mysql-perl{a} libmysqlclient18{a} mysql-client mysql-client-5.5{a} mysql-client-core-5.5{a} mysql-common{a} mysql-server mysql-server-5.5{a} mysql-server-core-5.5{a} 0 packages upgraded, 9 newly installed, 0 to remove and 0 not upgraded. Need to get 11.7 kB/26.2 MB of archives. After unpacking 94.5 MB will be used. Do you want to continue? [Y/n/?] y Get: 1 http://mirror.eu.oneandone.net/ubuntu/ubuntu/ precise/main mysql-client all 5.5.22-0ubuntu1 [11.7 kB] Fetched 11.7 kB in 0s (567 kB/s) Preconfiguring packages ... Selecting previously unselected package mysql-common. (Reading database ... 54008 files and directories currently installed.) Unpacking mysql-common (from .../mysql-common_5.5.22-0ubuntu1_all.deb) ... Selecting previously unselected package libmysqlclient18. Unpacking libmysqlclient18 (from .../libmysqlclient18_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package libdbd-mysql-perl. Unpacking libdbd-mysql-perl (from .../libdbd-mysql-perl_4.020-1build2_amd64.deb) ... Selecting previously unselected package mysql-client-core-5.5. Unpacking mysql-client-core-5.5 (from .../mysql-client-core-5.5_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package mysql-client-5.5. Unpacking mysql-client-5.5 (from .../mysql-client-5.5_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package mysql-server-core-5.5. Unpacking mysql-server-core-5.5 (from .../mysql-server-core-5.5_5.5.22-0ubuntu1_amd64.deb) ... Processing triggers for man-db ... Setting up mysql-common (5.5.22-0ubuntu1) ... Selecting previously unselected package mysql-server-5.5. (Reading database ... 54189 files and directories currently installed.) Unpacking mysql-server-5.5 (from .../mysql-server-5.5_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package mysql-client. Unpacking mysql-client (from .../mysql-client_5.5.22-0ubuntu1_all.deb) ... Selecting previously unselected package mysql-server. Unpacking mysql-server (from .../mysql-server_5.5.22-0ubuntu1_all.deb) ... Processing triggers for ureadahead ... Processing triggers for man-db ... Setting up libmysqlclient18 (5.5.22-0ubuntu1) ... Setting up libdbd-mysql-perl (4.020-1build2) ... Setting up mysql-client-core-5.5 (5.5.22-0ubuntu1) ... Setting up mysql-client-5.5 (5.5.22-0ubuntu1) ... Setting up mysql-server-core-5.5 (5.5.22-0ubuntu1) ... Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ... 120502 10:17:41 [Note] Plugin 'FEDERATED' is disabled. 120502 10:17:41 InnoDB: The InnoDB memory heap is disabled 120502 10:17:41 InnoDB: Mutexes and rw_locks use GCC atomic builtins 120502 10:17:41 InnoDB: Compressed tables use zlib 1.2.3.4 120502 10:17:41 InnoDB: Initializing buffer pool, size = 128.0M 120502 10:17:41 InnoDB: Completed initialization of buffer pool 120502 10:17:41 InnoDB: highest supported file format is Barracuda. 120502 10:17:41 InnoDB: Waiting for the background threads to start 120502 10:17:42 InnoDB: 1.1.8 started; log sequence number 1595675 120502 10:17:42 InnoDB: Starting shutdown... 120502 10:17:42 InnoDB: Shutdown completed; log sequence number 1595675 start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Setting up mysql-client (5.5.22-0ubuntu1) ... dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: mysql-server-5.5 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ... start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: mysql-server-5.5 mysql-server I am completely lost because I have tried everything on the web to solve my problem (clearning the install, reconfiguring with dpkg, manually editing the my.cnf). I also set up a new clean install but nothing helped. What am I doing wrong? New information: The file /var/log/upstart/mysql.log contains the following error after the installation: AppArmor parser error for /etc/apparmor.d/usr.sbin.mysqld in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'

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SQL Server and Hyper-V Dynamic Memory Part 2

- by SQLOS Team

Part 1 of this series was an introduction and overview of Hyper-V Dynamic Memory. This part looks at SQL Server memory management and how the SQL engine responds to changing OS memory conditions. Part 2: SQL Server Memory Management As with any Windows process, sqlserver.exe has a virtual address space (VAS) of 4GB on 32-bit and 8TB in 64-bit editions. Pages in its VAS are mapped to pages in physical memory when the memory is committed and referenced for the first time. The collection of VAS pages that have been recently referenced is known as the Working Set. How and when SQL Server allocates virtual memory and grows its working set depends on the memory model it uses. SQL Server supports three basic memory models: 1. Conventional Memory Model The Conventional model is the default SQL Server memory model and has the following properties: - Dynamic - can grow or shrink its working set in response to load and external (operating system) memory conditions. - OS uses 4K pages – (not to be confused with SQL Server “pages” which are 8K regions of committed memory).- Pageable - Can be paged out to disk by the operating system. 2. Locked Page Model The locked page memory model is set when SQL Server is started with "Lock Pages in Memory" privilege*. It has the following characteristics: - Dynamic - can grow or shrink its working set in the same way as the Conventional model.- OS uses 4K pages - Non-Pageable – When memory is committed it is locked in memory, meaning that it will remain backed by physical memory and will not be paged out by the operating system. A common misconception is to interpret "locked" as non-dynamic. A SQL Server instance using the locked page memory model will grow and shrink (allocate memory and release memory) in response to changing workload and OS memory conditions in the same way as it does with the conventional model. This is an important consideration when we look at Hyper-V Dynamic Memory – “locked” memory works perfectly well with “dynamic” memory. * Note in “Denali” (Standard Edition and above), and in SQL 2008 R2 64-bit (Enterprise and above editions) the Lock Pages in Memory privilege is all that is required to set this model. In 2008 R2 64-Bit standard edition it also requires trace flag 845 to be set, in 2008 R2 32-bit editions it requires sp_configure 'awe enabled' 1. 3. Large Page Model The Large page model is set using trace flag 834 and potentially offers a small performance boost for systems that are configured with large pages. It is characterized by: - Static - memory is allocated at startup and does not change. - OS uses large (>2MB) pages - Non-Pageable The large page model is supported with Hyper-V Dynamic Memory (and Hyper-V also supports large pages), but you get no benefit from using Dynamic Memory with this model since SQL Server memory does not grow or shrink. The rest of this article will focus on the locked and conventional SQL Server memory models. When does SQL Server grow? For “dynamic” configurations (Conventional and Locked memory models), the sqlservr.exe process grows – allocates and commits memory from the OS – in response to a workload. As much memory is allocated as is required to optimally run the query and buffer data for future queries, subject to limitations imposed by: - SQL Server max server memory setting. If this configuration option is set, the buffer pool is not allowed to grow to more than this value. In SQL Server 2008 this value represents single page allocations, and in “Denali” it represents any size page allocations and also managed CLR procedure allocations. - Memory signals from OS. The operating system sets a signal on memory resource notification objects to indicate whether it has memory available or whether it is low on available memory. If there is only 32MB free for every 4GB of memory a low memory signal is set, which continues until 64MB/4GB is free. If there is 96MB/4GB free the operating system sets a high memory signal. SQL Server only allocates memory when the high memory signal is set. To summarize, for SQL Server to grow you need three conditions: a workload, max server memory setting higher than the current allocation, high memory signals from the OS. When does SQL Server shrink caches? SQL Server as a rule does not like to return memory to the OS, but it will shrink its caches in response to memory pressure. Memory pressure can be divided into “internal” and “external”. - External memory pressure occurs when the operating system is running low on memory and low memory signals are set. The SQL Server Resource Monitor checks for low memory signals approximately every 5 seconds and it will attempt to free memory until the signals stop. To free memory SQL Server does the following: · Frees unused memory. · Notifies Memory Manager Clients to release memory o Caches – Free unreferenced cache objects. o Buffer pool - Based on oldest access times. The freed memory is released back to the operating system. This process continues until the low memory resource notifications stop. - Internal memory pressure occurs when the size of different caches and allocations increase but the SQL Server process needs to keep its total memory within a target value. For example if max server memory is set and certain caches are growing large, it will cause SQL to free memory for re-use internally, but not to release memory back to the OS. If you lower the value of max server memory you will generate internal memory pressure that will cause SQL to release memory back to the OS. Memory pressure handling has not changed much since SQL 2005 and it was described in detail in a blog post by Slava Oks. Note that SQL Server Express is an exception to the above behavior. Unlike other editions it does not assume it is the most important process running on the system but tries to be more “desktop” friendly. It will empty its working set after a period of inactivity. How does SQL Server respond to changing OS memory? In SQL Server 2005 support for Hot-Add memory was introduced. This feature, available in Enterprise and above editions, allows the server to make use of any extra physical memory that was added after SQL Server started. Being able to add physical memory when the system is running is limited to specialized hardware, but with the Hyper-V Dynamic Memory feature, when new memory is allocated to a guest virtual machine, it looks like hot-add physical memory to the guest. What this means is that thanks to the hot-add memory feature, SQL Server 2005 and higher can dynamically grow if more “physical” memory is granted to a guest VM by Hyper-V dynamic memory. SQL Server checks OS memory every second and dynamically adjusts its “target” (based on available OS memory and max server memory) accordingly. In “Denali” Standard Edition will also have sqlserver.exe support for hot-add memory when running virtualized (i.e. detecting and acting on Hyper-V Dynamic Memory allocations). How does a SQL Server workload in a guest VM impact Hyper-V dynamic memory scheduling? When a SQL workload causes the sqlserver.exe process to grow its working set, the Hyper-V memory scheduler will detect memory pressure in the guest VM and add memory to it. SQL Server will then detect the extra memory and grow according to workload demand. In our tests we have seen this feedback process cause a guest VM to grow quickly in response to SQL workload - we are still working on characterizing this ramp-up. How does SQL Server respond when Hyper-V removes memory from a guest VM through ballooning? If pressure from other VM's cause Hyper-V Dynamic Memory to take memory away from a VM through ballooning (allocating memory with a virtual device driver and returning it to the host OS), Windows Memory Manager will page out unlocked portions of memory and signal low resource notification events. When SQL Server detects these events it will shrink memory until the low memory notifications stop (see cache shrinking description above). This raises another question. Can we make SQL Server release memory more readily and hence behave more "dynamically" without compromising performance? In certain circumstances where the application workload is predictable it may be possible to have a job which varies "max server memory" according to need, lowering it when the engine is inactive and raising it before a period of activity. This would have limited applicaability but it is something we're looking into. What Memory Management changes are there in SQL Server “Denali”? In SQL Server “Denali” (aka SQL11) the Memory Manager has been re-written to be more efficient. The main changes are summarized in this post. An important change with respect to Hyper-V Dynamic Memory support is that now the max server memory setting includes any size page allocations and managed CLR procedure allocations it now represents a closer approximation to total sqlserver.exe memory usage. This makes it easier to calculate a value for max server memory, which becomes important when configuring virtual machines to work well with Hyper-V Dynamic Memory Startup and Maximum RAM settings. Another important change is no more AWE or hot-add support for 32-bit edition. This means if you're running a 32-bit edition of Denali you're limited to a 4GB address space and will not be able to take advantage of dynamically added OS memory that wasn't present when SQL Server started (though Hyper-V Dynamic Memory is still a supported configuration). In part 3 we’ll develop some best practices for configuring and using SQL Server with Dynamic Memory. Originally posted at http://blogs.msdn.com/b/sqlosteam/

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Windows Vista/Win7 Privilege Problem: SeDebugPrivilege & OpenProcess

- by KevenK

Everything I've been able to find about escalating to the appropriate privileges for my needs has agreed with my current methods, but the problem exists. I'm hoping maybe someone has some Windows Vista/Win7 internals experience that might shine some light where there is only darkness. I'm sure this will get long, but please bare with me. Context: I'm working on an app that requires accessing the memory of other processes on the current machine. This, obviously, requires administrator rights. It also requires SeDebugPrivilege, which I believe myself to be acquiring correctly, although I question if more privileges aren't necessary and thus the cause of my problems. Code has so far worked successfully on all versions of Windows XP, and on my test Vista32 and Win7x64 environments. Process: Program will Always be run with Administrator Rights. This can be assumed throughout this post. Escalating the current process's Access Token to include SeDebugPrivilege rights. Using EnumProcesses to create a list of current PIDs on the system Opening a handle using OpenProcess with PROCESS_ALL_ACCESS access rights Using ReadProcessMemory to read the memory of the other process. Problem: Everything has been working fine during development and my personal testing (including Windows XP 32 & 64, Windows Vista 32, and Windows 7 x64). However, during a test deployment onto both Windows Vista(32-bit) and Windows 7(64-bit) machines of a colleague, there seems to be a privilege/rights problem with OpenProcess failing with a generic Access Denied error. This occurs both when running as a limited User (as would be expected) and also when run explicitly as Administrator (Right-click Run as Administrator and when run from an Administrator level command prompt). However, this problem has been unreproducible for myself in my test environment. I have witnessed the problem first hand, so I trust that the problem exists. The only difference that I can discern between the actual environment and my test environment is that the actual error is occurring when using a Domain Administrator account at the UAC prompt, whereas my tests (which work with no errors) use a local administrator account at the UAC prompt. It appears that although the credentials being used allow UAC to 'run as administrator', the process is still not obtaining the correct rights to be able to OpenProcess on another process. I am not familiar enough with the internals of Vista/Win7 to know what this might be, and I am hoping someone has an idea of what could be the cause. The Kicker: The person who has reported this error, and who's environment can regularly reproduce this bug, has a small application named along the lines of RunWithDebugEnabled which is a small bootstrap program which appears to escalate its own privileges and then launch the executable passed to it (thus inheriting the escalated privileges). When run with this program, using the same Domain Administrator credentials at UAC prompt, the program works correctly and is able to successfully call OpenProcess and operates as intended. So this is definitely a problem with acquiring the correct privileges, and it is known that the Domain Administrator account is an administrator account that should be able to access the correct rights. (Obviously obtaining this source code would be great, but I wouldn't be here if that were possible). Notes: As noted, the errors reported by the failed OpenProcess attempts are Access Denied. According to MSDN documentation of OpenProcess: If the caller has enabled the SeDebugPrivilege privilege, the requested access is granted regardless of the contents of the security descriptor. This leads me to believe that perhaps there is a problem under these conditions either with (1) Obtaining SeDebugPrivileges or (2) Requiring other privileges which have not been mentioned in any MSDN documentation, and which might differ between a Domain Administrator account and a Local Administrator account Sample Code: void sample() { ///////////////////////////////////////////////////////// // Note: Enabling SeDebugPrivilege adapted from sample // MSDN @ http://msdn.microsoft.com/en-us/library/aa446619%28VS.85%29.aspx // Enable SeDebugPrivilege HANDLE hToken = NULL; TOKEN_PRIVILEGES tokenPriv; LUID luidDebug; if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken) != FALSE) { if(LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &luidDebug) != FALSE) { tokenPriv.PrivilegeCount = 1; tokenPriv.Privileges[0].Luid = luidDebug; tokenPriv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; if(AdjustTokenPrivileges(hToken, FALSE, &tokenPriv, 0, NULL, NULL) != FALSE) { // Always successful, even in the cases which lead to OpenProcess failure cout << "SUCCESSFULLY CHANGED TOKEN PRIVILEGES" << endl; } else { cout << "FAILED TO CHANGE TOKEN PRIVILEGES, CODE: " << GetLastError() << endl; } } } CloseHandle(hToken); // Enable SeDebugPrivilege ///////////////////////////////////////////////////////// vector<DWORD> pidList = getPIDs(); // Method that simply enumerates all current process IDs ///////////////////////////////////////////////////////// // Attempt to open processes for(int i = 0; i < pidList.size(); ++i) { HANDLE hProcess = NULL; hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pidList[i]); if(hProcess == NULL) { // Error is occurring here under the given conditions cout << "Error opening process PID(" << pidList[i] << "): " << GetLastError() << endl; } CloseHandle(hProcess); } // Attempt to open processes ///////////////////////////////////////////////////////// } Thanks! If anyone has some insight into what possible permissions/privileges/rights/etc that I may be missing to correctly open another process (Assuming the executable has been properly "Run as Administrator"ed) on Windows Vista and Windows 7 under the above conditions, it would be most greatly appreciated. I wouldn't be here if I weren't absolutely stumped, but I'm hopeful that once again the experience and knowledge of the group shines bright. I thank you for taking the time to read this wall of text. The good intentions alone are appreciated, thanks for being the type of person that makes SO so useful to all!

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