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  • Connecting to embedded FireBird database from C# app issue

    - by be here now
    Hi, guys. I seem to have an issue with connecting to an embedded FireBird database from a sample C# app. Here's what I've got. static void Main(string[] args) { //Some constant parameters used to form up the connection string... #region constant literals const String User = "SYSDBA"; const String Password = "masterkey"; const String DBPath = "D:\\!tmp\\1\\cafw.fdb"; const String DLLPath = @"fbembed.dll"; const String Charset = "WIN1251"; const int Dialect = 3; #endregion //I check whether we actually have a database file nearby //and fbembed.dll. If we don't - we leave if (File.Exists(DBPath) == true && File.Exists(DLLPath) == true) { //I form up a connection string out of literals I've declared above FbConnectionStringBuilder CStr = new FbConnectionStringBuilder(); CStr.ServerType = FbServerType.Embedded; CStr.UserID = User; CStr.Password = Password; CStr.Dialect = Dialect; CStr.Database = DBPath; CStr.Charset = Charset; CStr.ClientLibrary = DLLPath; //And then I finally try to connect FbConnection Conn = new FbConnection(CStr.ToString()); try { //See what we've got in the end Console.WriteLine(CStr.ToString()); //And try to connect Conn.Open(); } catch (Exception Ex) { //Show me what has gone wrong Console.WriteLine("\n" + Ex.Message.ToString()); Console.ReadKey(); } finally { Conn.Close(); } } } The problem is, it yields me a server type=Embedded;user id=SYSDBA;password=masterkey;dialect=3;initial catalog=D:!tmp\1 \cafw.fdb;character set=WIN1251;client library=fbembed.dll No message for error code 335544972 found. Invalid ESCAPE sequence as an output. I've googled around to find out about 335544972 error code, and it seems to be something about invalid connection string, but I haven't found any "official" info about that. Hase anybody encountered anything similar so one could tell me what am I doing wrong? Thanks.

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  • ASP.NET Client to Server communication

    - by Nelson
    Can you help me make sense of all the different ways to communicate from browser to client in ASP.NET? I have made this a community wiki so feel free to edit my post to improve it. Specifically, I'm trying to understand in which scenario to use each one by listing how each works. I'm a little fuzzy on UpdatePanel vs CallBack (with ViewState): I know UpdatePanel always returns HTML while CallBack can return JSON. Any other major differences? ...and CallBack (without ViewState) vs WebMethod. CallBack goes through most of the Page lifecycle, WebMethod doesn't. Any other major differences? IHttpHandler Custom handler for anything (page, image, etc.) Only does what you tell it to do (light server processing) Page is an implementation of IHttpHandler If you don't need what Page provides, create a custom IHttpHandler If you are using Page but overriding Render() and not generating HTML, you probably can do it with a custom IHttpHandler (e.g. writing binary data such as images) By default can use the .axd or .ashx file extensions -- both are functionally similar .ashx doesn't have any built-in endpoints, so it's preferred by convention Regular PostBack (System.Web.UI.Page : IHttpHandler) Inherits Page Full PostBack, including ViewState and HTML control values (heavy traffic) Full Page lifecycle (heavy server processing) No JavaScript required Webpage flickers/scrolls since everything is reloaded in browser Returns full page HTML (heavy traffic) UpdatePanel (Control) Control inside Page Full PostBack, including ViewState and HTML control values (heavy traffic) Full Page lifecycle (heavy server processing) Controls outside the UpdatePanel do Render(NullTextWriter) Must use ScriptManager If no client-side JavaScript, it can fall back to regular PostBack with no JavaScript (?) No flicker/scroll since it's an async call, unless it falls back to regular postback. Can be used with master pages and user controls Has built-in support for progress bar Returns HTML for controls inside UpdatePanel (medium traffic) Client CallBack (Page, System.Web.UI.ICallbackEventHandler) Inherits Page Most of Page lifecycle (heavy server processing) Takes only data you specify (light traffic) and optionally ViewState (?) (medium traffic) Client must support JavaScript and use ScriptManager No flicker/scroll since it's an async call Can be used with master pages and user controls Returns only data you specify in format you specify (e.g. JSON, XML...) (?) (light traffic) WebMethod Class implements System.Web.Service.WebService HttpContext available through this.Context Takes only data you specify (light traffic) Server only runs the called method (light server processing) Client must support JavaScript No flicker/scroll since it's an async call Can be used with master pages and user controls Returns only data you specify, typically JSON (light traffic) Can create instance of server control to render HTML and sent back as string, but events, paging in GridView, etc. won't work PageMethods Essentially a WebMethod contained in the Page class, so most of WebMethod's bullet's apply Method must be public static, therefore no Page instance accessible HttpContext available through HttpContext.Current Accessed directly by URL Page.aspx/MethodName (e.g. with XMLHttpRequest directly or with library such as jQuery) Setting ScriptManager property EnablePageMethods="True" generates a JavaScript proxy for each WebMethod Cannot be used directly in user controls with master pages and user controls Any others?

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  • Resizing an image using mouse dragging (C#)

    - by Gaax
    Hi all. I'm having some trouble resizing an image just by dragging the mouse. I found an average resize method and now am trying to modify it to use the mouse instead of given values. The way I'm doing it makes sense to me but maybe you guys can give me some better ideas. I'm basically using the distance between the current location of the mouse and the previous location of the mouse as the scaling factor. If the distance between the current mouse location and the center of of the image is less than the distance between previous mouse location and the center of the image then the image gets smaller, and vice-versa. With the code below I'm getting an Argument Exception (invalid parameter) when creating the new bitmap with the new height and width and I really don't understand why... any ideas? private static Image resizeImage(Image imgToResize, System.Drawing.Point prevMouseLoc, System.Drawing.Point currentMouseLoc) { int sourceWidth = imgToResize.Width; int sourceHeight = imgToResize.Height; float dCurrCent = 0; //Distance between current mouse location and the center of the image float dPrevCent = 0; //Distance between previous mouse location and the center of the image float dCurrPrev = 0; //Distance between current mouse location and the previous mouse location int sign = 1; System.Drawing.Point imgCenter = new System.Drawing.Point(); float nPercent = 0; imgCenter.X = imgToResize.Width / 2; imgCenter.Y = imgToResize.Height / 2; // Calculating the distance between the current mouse location and the center of the image dCurrCent = (float)Math.Sqrt(Math.Pow(currentMouseLoc.X - imgCenter.X, 2) + Math.Pow(currentMouseLoc.Y - imgCenter.Y, 2)); // Calculating the distance between the previous mouse location and the center of the image dPrevCent = (float)Math.Sqrt(Math.Pow(prevMouseLoc.XimgCenter.X,2) + Math.Pow(prevMouseLoc.Y - imgCenter.Y, 2)); // Calculating the sign value if (dCurrCent >= dPrevCent) { sign = 1; } else { sign = -1; } nPercent = sign * (float)Math.Sqrt(Math.Pow(currentMouseLoc.X - prevMouseLoc.X, 2) + Math.Pow(currentMouseLoc.Y - prevMouseLoc.Y, 2)); int destWidth = (int)(sourceWidth * nPercent); int destHeight = (int)(sourceHeight * nPercent); Bitmap b = new Bitmap(destWidth, destHeight); // exception thrown here Graphics g = Graphics.FromImage((Image)b); g.InterpolationMode = InterpolationMode.HighQualityBicubic; g.DrawImage(imgToResize, 0, 0, destWidth, destHeight); g.Dispose(); return (Image)b; }

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  • Problem with LINQ Generated class and IEnumerable to Excel

    - by mehmet6parmak
    Hi all, I wrote a method which exports values to excel file from an IEnumerable parameter. Method worked fine for my little test class and i was happy till i test my method with a LINQ class. Method: public static void IEnumerableToExcel<T>(IEnumerable<T> data, HttpResponse Response) { Response.Clear(); Response.ContentEncoding = System.Text.Encoding.Default; Response.Charset = "windows-1254"; // set MIME type to be Excel file. Response.ContentType = "application/vnd.ms-excel;charset=windows-1254"; // add a header to response to force download (specifying filename) Response.AddHeader("Content-Disposition", "attachment;filename=\"ResultFile.xls\""); Type typeOfT = typeof(T); List<string> result = new List<string>(); FieldInfo[] fields = typeOfT.GetFields(); foreach (FieldInfo info in fields) { result.Add(info.Name); } Response.Write(String.Join("\t", result.ToArray()) + "\n"); foreach (T t in data) { result.Clear(); foreach (FieldInfo f in fields) result.Add((typeOfT).GetField(f.Name).GetValue(t).ToString()); Response.Write(String.Join("\t", result.ToArray()) + "\n"); } Response.End(); } My Little Test Class: public class Mehmet { public string FirstName; public string LastName; } Two Usage: Success: Mehmet newMehmet = new Mehmet(); newMehmet.FirstName = "Mehmet"; newMehmet.LastName = "Altiparmak"; List<Mehmet> list = new List<Mehmet>(); list.Add(newMehmet); DeveloperUtility.Export.IEnumerableToExcel<Mehmet>(list, Response); Fail: ExtranetDataContext db = new ExtranetDataContext(); DeveloperUtility.Export.IEnumerableToExcel<User>(db.Users, Response); Fail Reason: When the code reaches the code block used to get the fields of the template(T), it can not find any field for the LINQ Generated User class. For my weird class it works fine. Why? Thanks...

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  • WPF Pass MenuItem selected as MethodParameter to ObjectDataProvider

    - by Shravan
    I am trying to pass Selected MenuItem's Text/Header string as the MethodParameter to my ObjectDataProvider. I have seen examples like these on the internet but haven't been able to adapt it to the Menu Control specifically. I am new to WPF and need some help accomplish this. Any help would be greatly appreciated. Below is the code snippet, XAML for the ObjectDataProvider <Window.Resources> <ObjectDataProvider x:Key="NMInfo" ObjectType="{x:Type local:NMInfoProvider}" MethodName="GetDcmsInfomation" IsAsynchronous="True"> <ObjectDataProvider.MethodParameters> <x:Static Member="system:String.Empty" /> </ObjectDataProvider.MethodParameters> </ObjectDataProvider> </Window.Resources> XAML for the Menu control <Menu Name="nmMenu" Height="25" HorizontalAlignment="Stretch" VerticalAlignment="Top" FontSize="12" DockPanel.Dock="Top"> <Menu.BitmapEffect> <DropShadowBitmapEffect/> </Menu.BitmapEffect> <MenuItem Header="File"> <MenuItem Header="SNYC12P10650" IsCheckable="True" ToolTip="Production" Click="MenuItem_Clicked"> <MenuItem.IsChecked> <Binding Source="{StaticResource NMInfo}" Path="MethodParameters[0]" BindsDirectlyToSource="True" Mode="OneWayToSource"/> </MenuItem.IsChecked> </MenuItem> <MenuItem Header="GPRI12D10217" IsCheckable="True" ToolTip="QA" Click="MenuItem_Clicked"> <MenuItem.IsChecked> <Binding Source="{StaticResource NMInfo}" Path="MethodParameters[0]" BindsDirectlyToSource="True" Mode="OneWayToSource"/> </MenuItem.IsChecked> </MenuItem> <MenuItem Header="GPRI12D10219" IsCheckable="True" ToolTip="Dev" Click="MenuItem_Clicked"> <MenuItem.IsChecked> <Binding Source="{StaticResource NMInfo}" Path="MethodParameters[0]" BindsDirectlyToSource="True" Mode="OneWayToSource"/> </MenuItem.IsChecked> </MenuItem> <Separator/> <MenuItem Header="Close"/> </MenuItem> </Menu>

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  • NoSQL DB for .Net document-based database (ECM)

    - by Dane
    I'm halfway through coding a basic multi-tenant SaaS ECM solution. Each client has it's own instance of the database / datastore, but the .Net app is single instance. The documents are pretty much read only (i.e. an image archive of tiffs or PDFs) I've used MSSQL so far, but then started thinking this might be viable in a NoSQL DB (e.g. MongoDB, CouchDB). The basic premise is that it stores documents, each with their own particular indexes. Each tenant can have multiple document types. e.g. One tenant might have an invoice type, which has Customer ID, Invoice Number and Invoice Date. Another tenant might have an application form, which has Member Number, Application Number, Member Name, and Application Date. So far I've used the old method which Sharepoint (used?) to use, and created a document table which has int_field_1, int_field_2, date_field_1, date_field_2, etc. Then, I've got a "mapping" table which stores the customer specific index name, and the database field that will map to. I've avoided the key-value pair model in the DB due to volume of documents. This way, we can support multiple document types in the one table, and get reasonably high performance out of it, and allow for custom document type searches (i.e. user selects a document type, then they're presented with a list of search fields). However, a NoSQL DB might make this a lot simpler, as I don't need to worry about denormalizing the document. However, I've just got concerns about the rest of the data around a document. We store an "action history" against the document. This tracks views, whether someone emails the document from within the system, and other "future" functionality (e.g. faxing). We have control over the document load process, so we can manipulate the data however it needs to be to get it in the document store (e.g. assign unique IDs). Users will not be adding in their own documents, so we shouldn't need to worry about ACID compliance, as the documents are relatively static. So, my questions I guess : Is a NoSQL DB a good fit Is MongoDB the best for Asp.Net (I saw Raven and Velocity, but they're still kinda beta) Can I store a key for each document, and then store the action history in a MSSQL DB with this key? I don't need to do joins, it would be if a person clicks "View History" against a document. How would performance compare between the two (NoSQL DB vs denormalized "document" table) Volumes would be up to 200,000 new documents per month for a single tenant. My current scaling plan with the SQL DB involves moving the SQL DB into a cluster when certain thresholds are reached, and then reviewing partitioning and indexing structures.

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  • Reusing xalan transformer causing its extension functions break

    - by Leslie Norman
    I am using xalan 2.7.1 to validate my xml docs with xslt style sheet. It works fine for the first document and returns error message in case of error along with correct line and column number of xml source by making use of NodeInfo.lineNumber and NodeInfo.columnNumber extensions. The problem is when I try to reuse transformer to validate other xml docs, it successfully transforms the document but always returns lineNumber=columnNumber=-1 for all errors. Any idea? Here is my code: TransformerFactory tFactory = TransformerFactory.newInstance("org.apache.xalan.processor.TransformerFactoryImpl", null); tFactory.setAttribute(TransformerFactoryImpl.FEATURE_SOURCE_LOCATION, Boolean.TRUE); StreamSource xsltStreamSource = new StreamSource(new File("E:\\Temp\\Test\\myXslt.xsl")); Transformer transformer=null; try { transformer = tFactory.newTransformer(xsltStreamSource); ByteArrayOutputStream outStream = new ByteArrayOutputStream(); File srcFolder = new File("E:\\Temp\\Test"); for (File file :srcFolder.listFiles()) { if (file.getName().endsWith("xml")) { transformer.transform(new StreamSource(file), new StreamResult(outStream)); transformer.reset(); } } System.out.println(outStream.toString()); } catch (TransformerException e) { e.printStackTrace(); } Edit: New code after implementing @rsp suggestions: package mycompany; import java.io.File; import javax.xml.transform.ErrorListener; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.stream.StreamResult; import javax.xml.transform.stream.StreamSource; import org.apache.xalan.processor.TransformerFactoryImpl; public class XsltTransformer { public static void main(String[] args) { TransformerFactory tFactory = TransformerFactory.newInstance("org.apache.xalan.processor.TransformerFactoryImpl", null); tFactory.setAttribute(TransformerFactoryImpl.FEATURE_SOURCE_LOCATION, Boolean.TRUE); StreamSource xsltStreamSource = new StreamSource(new File("E:\\Temp\\Test\\myXslt.xsl")); try { Transformer transformer = tFactory.newTransformer(xsltStreamSource); File srcFolder = new File("E:\\Temp\\Test"); for (File file : srcFolder.listFiles()) { if (file.getName().endsWith("xml")) { Source source = new StreamSource(file); StreamResult result = new StreamResult(System.out); XsltTransformer xsltTransformer = new XsltTransformer(); ErrorListenerImpl errorHandler = xsltTransformer.new ErrorListenerImpl(); transformer.setErrorListener(errorHandler); transformer.transform(source, result); if (errorHandler.e != null) { System.out.println("Transformation Exception: " + errorHandler.e.getMessage()); } transformer.reset(); } } } catch (TransformerException e) { e.printStackTrace(); } } private class ErrorListenerImpl implements ErrorListener { public TransformerException e = null; public void error(TransformerException exception) { this.e = exception; } public void fatalError(TransformerException exception) { this.e = exception; } public void warning(TransformerException exception) { this.e = exception; } } }

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  • iPhone: didSelectRowAtIndexPath not invoked

    - by soletan
    Hi, I know this issue being mentioned before, but resolutions there didn't apply. I'm having a UINavigationController with an embedded UITableViewController set up using IB. In IB the UITableView's delegate and dataSource are both set to my derivation of UITableViewController. This class has been added using XCode's templates for UITableViewController classes. There is no custom UITableViewCell and the table view is using default plain style with single title, only. Well, in simulator the list is rendered properly, with two elements provided by dataSource, so dataSource is linked properly. If I remove the outlet link for dataSource in IB, an empty table is rendered instead. As soon as I tap on one of these two items, it is flashing blue and the GDB encounters interruption in __forwarding__ in scope of a UITableView::_selectRowAtIndexPath. It's not reaching breakpoint set in my non-empty method didSelectRowIndexPath. I checked the arguments and method's name to exclude typos resulting in different selector. I recently didn't succeed in whether delegate is set properly, but as it is set equivalently to dataSource which is getting two elements from the same class, I expect it to be set properly. So, what's wrong? I'm running iPhone/iPad SDK 3.1.2 ... but tried with iPhone SDK 3.1 in simulator as well. EDIT: This is the code of my UITableViewController derivation: #import "LocalBrowserListController.h" #import "InstrumentDescriptor.h" @implementation LocalBrowserListController - (void)viewDidLoad { [super viewDidLoad]; [self listLocalInstruments]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; } - (void)viewDidUnload { [super viewDidUnload]; } - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [entries count]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; if ( ( [entries count] > 0 ) && ( [indexPath length] > 0 ) ) cell.textLabel.text = [[[entries objectAtIndex:[indexPath indexAtPosition:[indexPath length] - 1]] label] retain]; return cell; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if ( ( [entries count] > 0 ) && ( [indexPath length] > 0 ) ) { ... } } - (void)dealloc { [super dealloc]; } - (void) listLocalInstruments { NSMutableArray *result = [NSMutableArray arrayWithCapacity:10]; [result addObject:[InstrumentDescriptor descriptorOn:[[NSBundle mainBundle] pathForResource:@"example" ofType:@"idl"] withLabel:@"Default 1"]]; [result addObject:[InstrumentDescriptor descriptorOn:[[NSBundle mainBundle] pathForResource:@"example" ofType:@"xml"] withLabel:@"Default 2"]]; [entries release]; entries = [[NSArray alloc] initWithArray:result]; } @end

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  • Can't Prevent Nested Div's from Overflowing when using Percent Sizes and Padding in CSS?

    - by viatropos
    I want to be able to layout nested divs with these properties: width: 100% height: 100% padding: 10px I want it to be such that, the children are 100% width and height of the remaining space after padding is calculated, not before. Otherwise, when I have a document like the below example, the child makes the scrollbars appear. But the scrollbars are not the main issue, the fact that the child stretches beyond the width of the parent container is. I can use all position: absolute declarations, but that doesn't seem right. Here is the code: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="X-UA-Compatible" content="IE=7"> <title>Liquid Layout</title> <style> body, html { width:100%; height:100%; margin:0; padding:0; background-color:black; } #container { position:relative; width:100%; height:100%; background-color:red; opacity:0.7; } #child1 { position:relative; width:100%; height:100%; padding:10px; background-color:blue; } #nested1 { position:relative; background-color: white; width:100%; height:100%; } </style> </head> <body> <div id="container"> <div id="child1"> <div id="nested1"></div> </div> </div> </body> </html> How do I make it so, using position:relative or position:static, and percent sizes, the percents size the children according to the parent's width/height minus padding and margins? Do I have to resort to position:absolute and left/right/top/bottom? Thanks for the help, Lance

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  • Silverlight 4 DataBinding: Binding to ObservableCollection<string> not working anymore

    - by Kurt
    Upgrading from SL3 - SL4. First problem: this throws a parser exception: <StackPanel Name={Binding} /> (same with x:Name) Collection is ObservableCollection<string>. Worked fine in SL3. So it seems that SL4 doen't allow binding to the Name property. Huh? So: changed to <StackPanel Tag={Binding} /> ... since I just need to ID the control in code behind. So here's the bug ('cuz this has got to be a bug!): In this frag, AllAvailableItems is an ObservableCollection<string>: <ItemsControl Name="lbItems" ItemsSource="{Binding AllAvailableItems}" Height="Auto" Width="Auto" BorderBrush="Transparent" BorderThickness="0" VerticalAlignment="Top" HorizontalAlignment="Left" Margin="12,6,0,0"> <ItemsControl.ItemTemplate> <DataTemplate> <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <CheckBox Tag="{Binding}" Checked="ItemChecked_Click" Unchecked="ItemUnchecked_Click" Style="{StaticResource CheckBoxStyle}" Grid.Row="0"> <CheckBox.Content> <TextBlock Text="{Binding}" Style="{StaticResource FormLJustStyle}" /> </CheckBox.Content> </CheckBox> <StackPanel Tag="{Binding}" Orientation="Vertical" Grid.Row="1"> <configControls:ucLanguage /> <!-- simple user control --> </StackPanel> </Grid> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> In the code behind, I use a recursive function to find the Dependency object with either the Name or Tag property provided: public static T FindVisualChildByName<T>(DependencyObject parent, string name, DependencyProperty propToUse) where T : DependencyObject { for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++) { var child = VisualTreeHelper.GetChild(parent, i); string controlName = child.GetValue(propToUse) as string; if (controlName == name) { return child as T; } else { T result = FindVisualChildByName<T>(child, name, propToUse); if (result != null) return result; } } return null; } OK, get this: in the code behind, I can get the control that is ORDERED FIRST in the XAML! In other words, if I put the CheckBox first, I can retrieve the CheckBox, but no StackPanel. And vice-versa. This all worked fine in SL3. Any help, ideas ... ? Thanks - Kurt

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  • How to use ResourceManager in a "website" mode ?

    - by Erick
    I am trying here to do a manual translation for the application I am working with. (There is already a working LocalizationModule but it's working dodgy, so I can't use <asp:Localize /> tags. Normally with ResourceManager you are supposed to be using it as Namespace.Folder.Resourcename (in an application). Currently I am translating an existing asp.net "website" (not web application so no namespace here....). The resources are located into a folder name "Locales/resources" which contains "fr-ca.resx" and "en-us.resx". So I used a code with something like this : public static string T(string search) { System.Resources.ResourceManager resMan = new System.Resources.ResourceManager( "Locales", System.Reflection.Assembly.GetExecutingAssembly(), null ); var text = resMan.GetString(search, System.Threading.Thread.CurrentThread.CurrentCulture); if (text == null) return "null"; else if (text == string.Empty) return "empty"; else return text; } and inside the page I have something like this <%= Locale.T("T_HOME") %> When I refresh I have this : Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "Locales.resources" was correctly embedded or linked into assembly "App_Code.9yopn1f7" at compile time, or that all the satellite assemblies required are loadable and fully signed. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Resources.MissingManifestResourceException: Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "Locales.resources" was correctly embedded or linked into assembly "App_Code.9yopn1f7" at compile time, or that all the satellite assemblies required are loadable and fully signed. Source Error: Line 14: System.Resources.ResourceManager resMan = new System.Resources.ResourceManager( "Locales", System.Reflection.Assembly.GetExecutingAssembly(), null ); Line 15: Line 16: var text = resMan.GetString(search, System.Threading.Thread.CurrentThread.CurrentCulture); Line 17: Line 18: if (text == null) Source File: c:\inetpub\vhosts\galerieocarre.com\subdomains\dev\httpdocs\App_Code\Locale.cs Line: 16 I even tried to load the resource with Locales.fr-ca or only fr-ca nothing quite work here.

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  • Difference in output from use of synchronized keyword and join()

    - by user2964080
    I have 2 classes, public class Account { private int balance = 50; public int getBalance() { return balance; } public void withdraw(int amt){ this.balance -= amt; } } and public class DangerousAccount implements Runnable{ private Account acct = new Account(); public static void main(String[] args) throws InterruptedException{ DangerousAccount target = new DangerousAccount(); Thread t1 = new Thread(target); Thread t2 = new Thread(target); t1.setName("Ravi"); t2.setName("Prakash"); t1.start(); /* #1 t1.join(); */ t2.start(); } public void run(){ for(int i=0; i<5; i++){ makeWithdrawl(10); if(acct.getBalance() < 0) System.out.println("Account Overdrawn"); } } public void makeWithdrawl(int amt){ if(acct.getBalance() >= amt){ System.out.println(Thread.currentThread().getName() + " is going to withdraw"); try{ Thread.sleep(500); }catch(InterruptedException e){ e.printStackTrace(); } acct.withdraw(amt); System.out.println(Thread.currentThread().getName() + " has finished the withdrawl"); }else{ System.out.println("Not Enough Money For " + Thread.currentThread().getName() + " to withdraw"); } } } I tried adding synchronized keyword in makeWithdrawl method public synchronized void makeWithdrawl(int amt){ and I keep getting this output as many times I try Ravi is going to withdraw Ravi has finished the withdrawl Ravi is going to withdraw Ravi has finished the withdrawl Ravi is going to withdraw Ravi has finished the withdrawl Ravi is going to withdraw Ravi has finished the withdrawl Ravi is going to withdraw Ravi has finished the withdrawl Not Enough Money For Prakash to withdraw Not Enough Money For Prakash to withdraw Not Enough Money For Prakash to withdraw Not Enough Money For Prakash to withdraw Not Enough Money For Prakash to withdraw This shows that only Thread t1 is working... If I un-comment the the line saying t1.join(); I get the same output. So how does synchronized differ from join() ? If I don't use synchronize keyword or join() I get various outputs like Ravi is going to withdraw Prakash is going to withdraw Prakash has finished the withdrawl Ravi has finished the withdrawl Prakash is going to withdraw Ravi is going to withdraw Prakash has finished the withdrawl Ravi has finished the withdrawl Prakash is going to withdraw Ravi is going to withdraw Prakash has finished the withdrawl Ravi has finished the withdrawl Account Overdrawn Account Overdrawn Not Enough Money For Ravi to withdraw Account Overdrawn Not Enough Money For Prakash to withdraw Account Overdrawn Not Enough Money For Ravi to withdraw Account Overdrawn Not Enough Money For Prakash to withdraw Account Overdrawn So how does the output from synchronized differ from join() ?

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  • ListActivity problem when using with RelativeLayout

    - by tomgamer
    Newb alert, I'm sure I'm doing something dumb here. I've been progressively expanding my UI, and I want to add a ListView in the middle of my UI. When I add it and change the activity to extend a ListActivity instead of just an Activity, I'm getting a Force Close. Using 1.5. Does a ListView not work embedded in a RelativeLayout? Thanks public class Categories extends ListActivity{ final static String[] ITEMS = {"blah", "floop", "gnarlp", "stuff"}; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.categories); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.listrow, R.id.textview, ITEMS); setListAdapter(adapter); XML looks like this: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout android:id="@+id/RelativeLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"> <ImageView android:id="@+id/ImageView01" android:layout_height="fill_parent" android:layout_width="fill_parent" android:scaleType="center" android:background="@drawable/background"> </ImageView> <ImageView android:id="@+id/ImageView02" android:src="@drawable/cat_heading" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_centerHorizontal="true"> </ImageView> <ListView android:id="@+id/ListView01" android:layout_below="@id/ImageView02" android:layout_width="wrap_content" android:layout_height="wrap_content"></ListView> <RelativeLayout android:id="@+id/RelativeLayout02" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_alignBottom="@+id/RelativeLayout01" android:layout_centerHorizontal="true"> <ImageButton android:id="@+id/ImageButtonRecipes" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:src="@drawable/recipes"></ImageButton> <ImageButton android:id="@+id/ImageButtonSearch" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_toRightOf="@+id/ImageButtonRecipes" android:src="@drawable/search"></ImageButton> </RelativeLayout> </RelativeLayout> and the listrow.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/textview"/> </LinearLayout>

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  • Jpanel didn't show rest of it's component

    - by Ali Amiri
    I have jfarame with a button and a JPanel as I named panel, I want after I clicked the button add an inner JPanel to my panel. But this but there is a problem with this! because after adding second panel it didn't add any other panel. my code is: import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.AbstractButton; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import java.awt.GridBagLayout; import java.awt.GridBagConstraints; import java.awt.GridLayout; import javax.swing.JTextField; public class DrawImages extends JFrame{ int i; public DrawImages() { JButton btnNewButton = new JButton("New button"); i = 0; getContentPane().add(btnNewButton, BorderLayout.SOUTH); setMinimumSize(new Dimension(1000,150)); final JPanel panel = new JPanel(); panel.setSize(995, 145); getContentPane().add(panel, BorderLayout.CENTER); panel.setLayout(null); final JLabel lblNewLabel = new JLabel("New label"); lblNewLabel.setBounds(0, 0, 46, 14); panel.add(lblNewLabel); btnNewButton.addActionListener(new ActionListener() public void actionPerformed(ActionEvent paramActionEvent) { JPanel panel_1 = new JPanel(); //getContentPane().add(panel_1, BorderLayout.NORTH); panel_1.setLayout(null); JLabel imagelable = new JLabel(new ImageIcon("c:\\good.jpg")); imagelable.setBounds(70, 5, 105, 65); panel_1.add(imagelable); JLabel lblNewLabel_4 = new JLabel("Up Label"); lblNewLabel_4.setBounds(5, 5, 65, 35); panel_1.add(lblNewLabel_4); JLabel lblNewLabel_2 = new JLabel("Down Label"); lblNewLabel_2.setBounds(5, 25, 65, 65); panel_1.add(lblNewLabel_2); lblNewLabel.setText(""+i); panel_1.setBounds(5+170*i, 5, 170+170*i, 70); panel.add(panel_1); i++; } }); panel.setMinimumSize(new Dimension(995,150)); } public static void main(String[]args) { DrawImages drawImages = new DrawImages(); drawImages.setVisible(true); } }

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  • Linux Device Driver: Symbol "memcpy" not found

    - by Hinton
    Hello, I'm trying to write a Linux device driver. I've got it to work really well, until I tried to use "memcpy". I don't even get a compiler error, when I "make" it just warns me: WARNING: "memcpy" [/root/homedir/sv/main.ko] undefined! OK and when I try to load via insmod, I get on the console: insmod: error inserting './main.ko': -1 Unknown symbol in module and on dmesg: main: Unknown symbol memcpy (err 0) I include the following: #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/kernel.h> /* printk() */ #include <linux/slab.h> /* kmalloc() */ #include <linux/fs.h> /* everything... */ #include <linux/errno.h> /* error codes */ #include <linux/types.h> /* size_t */ #include <linux/fcntl.h> /* O_ACCMODE */ #include <linux/cdev.h> #include <asm/system.h> /* cli(), *_flags */ #include <asm/uaccess.h> /* copy_*_user */ The function using memcpy: static int dc_copy_to_user(char __user *buf, size_t count, loff_t *f_pos, struct sv_data_dev *dev) { char data[MAX_KEYLEN]; size_t i = 0; /* Copy the bulk as long as there are 10 more bytes to copy */ while (i < (count + MAX_KEYLEN)) { memcpy(data, &dev->data[*f_pos + i], MAX_KEYLEN); ec_block(dev->key, data, MAX_KEYLEN); if (copy_to_user(&buf[i], data, MAX_KEYLEN)) { return -EFAULT; } i += MAX_KEYLEN; } return 0; } Could someone help me? I thought the thing was in linux/string.h, but I get the error just the same. I'm using kernel 2.6.37-rc1 (I'm doing in in user-mode-linux, which works only since 2.6.37-rc1). Any help is greatly appreciated. # Context dependent makefile that can be called directly and will invoke itself # through the kernel module building system. KERNELDIR=/usr/src/linux ifneq ($(KERNELRELEASE),) EXTRA_CFLAGS+=-I $(PWD) -ARCH=um obj-m := main.o else KERNELDIR ?= /lib/modules/$(shell uname -r)/build PWD = $(shell pwd) all: $(MAKE) V=1 ARCH=um -C $(KERNELDIR) M=$(PWD) modules clean: rm -rf Module.symvers .*.cmd *.ko .*.o *.o *.mod.c .tmp_versions *.order endif

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  • nhibernate subclass in code

    - by Antonio Nakic Alfirevic
    I would like to set up table-per-classhierarchy inheritance in nhibernate thru code. Everything else is set in XML mapping files except the subclasses. If i up the subclasses in xml all is well, but not from code. This is the code i use - my concrete subclass never gets created:( //the call NHibernate.Cfg.Configuration config = new NHibernate.Cfg.Configuration(); SetSubclass(config, typeof(TAction), typeof(tActionSub1), "Procedure"); //the method public static void SetSubclass(Configuration configuration, Type baseClass, Type subClass, string discriminatorValue) { PersistentClass persBaseClass = configuration.ClassMappings.Where(cm => cm.MappedClass == baseClass).Single(); SingleTableSubclass persSubClass = new SingleTableSubclass(persBaseClass); persSubClass.ClassName = subClass.AssemblyQualifiedName; persSubClass.DiscriminatorValue = discriminatorValue; persSubClass.EntityPersisterClass = typeof(SingleTableEntityPersister); persSubClass.ProxyInterfaceName = (subClass).AssemblyQualifiedName; persSubClass.NodeName = subClass.Name; persSubClass.EntityName = subClass.FullName; persBaseClass.AddSubclass(persSubClass); } the Xml mapping looks like this: <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Riz.Pcm.Domain.BusinessObjects" assembly="Riz.Pcm.Domain"> <class name="Riz.Pcm.Domain.BusinessObjects.TAction, Riz.Pcm.Domain" table="dbo.tAction" lazy="true"> <id name="Id" column="ID"> <generator class="guid" /> </id> <discriminator type="String" formula="(select jt.Name from TJobType jt where jt.Id=JobTypeId)" insert="true" force="false"/> <many-to-one name="Session" column="SessionID" class="TSession" /> <property name="Order" column="Order1" /> <property name="ProcessStart" column="ProcessStart" /> <property name="ProcessEnd" column="ProcessEnd" /> <property name="Status" column="Status" /> <many-to-one name="JobType" column="JobTypeID" class="TJobType" /> <many-to-one name="Unit" column="UnitID" class="TUnit" /> <bag name="TActionProperties" lazy="true" cascade="all-delete-orphan" inverse="true" > <key column="ActionID"></key> <one-to-many class="TActionProperty"></one-to-many> </bag> <!--<subclass name="Riz.Pcm.Domain.tActionSub" discriminator-value="ZPower"></subclass>--> </class> </hibernate-mapping> What am I doing wrong? I can't find any examples on google:(

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  • Access external xml using xslt document function return 401

    - by Ciprian Grosu
    On MOSS2007, I have a webpart that display the content of a xml feed. I use a xslt with parameters for transforamtions. There is a situation when I receive a 401 Authorisation exception. I realize that this happen when a document() function from my xslt try to open an external xml. If I try to open this xml in browser all work ok. I provided my admin credentials to the web part and to the XmlSecureResolver. Same problem. The webpart is on server1 and the xml feed and external xml required by xslt is on server2. What can be ? protected override void RenderContents(HtmlTextWriter writer) { base.RenderContents(writer); if (string.IsNullOrEmpty(this.xmlUrl) || this.xmlResponseStream == null) return; try { XslCompiledTransform transform = new XslCompiledTransform(); if (UseXslt) { XmlTextReader stylesheet = null; try { SPSite site = new SPSite(xsltlUrl); SPWeb web = site.OpenWeb(); SPFile file = web.GetFile(xsltlUrl); if (file != null) { stylesheet = new XmlTextReader(file.OpenBinaryStream()); } } catch(Exception ex) { stylesheet = new XmlTextReader(xsltlUrl); } if (stylesheet != null) { transform.Load(stylesheet, new XsltSettings(true, true), GetAResolver()); } using (XmlReader reader = new XmlTextReader(this.xmlResponseStream)) { string theParams = xsltProperties; XsltArgumentList xslAgrs = GetXsltArgumentList(xsltProperties); XmlTextWriter results = new XmlTextWriter(writer.InnerWriter); if (UseProperties) { transform.Transform(reader, xslAgrs, results, GetASecureResolver()); } else { transform.Transform(reader, results); } reader.Close(); } } else { string feedAsString = null; using (StreamReader rssReader = new StreamReader(this.xmlResponseStream)) { feedAsString = rssReader.ReadToEnd(); writer.InnerWriter.Write(SPHttpUtility.HtmlEncode(feedAsString)); } } } catch (Exception ex) { writer.Write(ex.Message); if (this.xmlResponseStream != null) { this.xmlResponseStream.Close(); this.xmlResponseStream.Dispose(); } } } private static XmlSecureResolver GetASecureResolver() { // Create a secure resolver XmlSecureResolver resolver = new XmlSecureResolver(new XmlUrlResolver(), "http://externalservername.com/thesite/"); string proxyUserName = RssFeedUtility.GetConfigFileReader().ProxyUserName; string proxyUserPwd = RssFeedUtility.GetConfigFileReader().ProxyUserPassword; string proxyUserDomain = RssFeedUtility.GetConfigFileReader().ProxyUserDomain; resolver.Credentials = new NetworkCredential(proxyUserName, proxyUserPwd, proxyUserDomain); return resolver; }

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  • WPF DataTemplates with VS2010 designer support + reusable - would you do it that way?

    - by Christian
    Ok, I am currently tidying up all my old stuff. I ran into the issue of "code only DataTemplates" - which are really a pain in the ass. You can't see anything, they are really hard to design, and I want to improve my project. So I had the idea to use the following solution. The main benefits are: You have designer support for your data template You can easily include example sample data The file naming is consistent and easy to remember The preview does not require an additional XAML wrapper (even with code only controls) I will try to explain and illustrate my solution using a few pictures. I am interested in feedback, especially if you can imagine a better way to do it. And, of course, if you see any maintenance or performance issues. Ok, lets start with a simple PreviewObject. I want to have some data in it, so I create a subclass which will automatically fill in some dummy data. Then I add a list to the control, and name this list. Afterwards I add a DataTemplate, this is the sole reason for the whole control (to be able to see and edit the DataTemplate in place): Now I use this control to get my DataTemplate, to use it in other places. To make this easier, I added some code in the code behind, see here: Now I want a control to show me a list of PreviewItems, so I created a "code-only" control which creates an instance of my service (or gets one using DI in real world) and fills its list box with it: To view the result of this work, I added this control inside the same named XAML, this is basically only to be able to see the final result: What I do not like in this solution: The need to create the last control in "code only". So I tried something different while writing this post. The following two screenshots illustrate the approach. I am creating an instance of the service inside the DataContext, and I am using bindings to supply the Itemssourc and the ItemTemplate. The reason for the strange "static property" is refactoring support. If I hardcode the path in the designer (e.g. using "Path = PreviewHistory") and I refactor the names (which happens quite often, early design phase) - I screw up my controls without realizing it. Does anyone has a better idea for this? I am using Resharper, btw. Thanks for any input, and sorry for the image overkill. Just easier to explain that way.. Chris

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  • WCF Self Host Service - Endpoints in C#

    - by Kyle
    My first few attempts at creating a self hosted service. Trying to make something up which will accept a query string and return some text but have have a few issues: All the documentation talks about endpoints being created automatically for each base address if they are not found in a config file. This doesn't seem to be the case for me, I get the "Service has zero application endpoints..." exception. Manually specifying a base endpoint as below seems to resolve this: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; using System.ServiceModel.Description; namespace TestService { [ServiceContract] public interface IHelloWorldService { [OperationContract] string SayHello(string name); } public class HelloWorldService : IHelloWorldService { public string SayHello(string name) { return string.Format("Hello, {0}", name); } } class Program { static void Main(string[] args) { string baseaddr = "http://localhost:8080/HelloWorldService/"; Uri baseAddress = new Uri(baseaddr); // Create the ServiceHost. using (ServiceHost host = new ServiceHost(typeof(HelloWorldService), baseAddress)) { // Enable metadata publishing. ServiceMetadataBehavior smb = new ServiceMetadataBehavior(); smb.HttpGetEnabled = true; smb.MetadataExporter.PolicyVersion = PolicyVersion.Policy15; host.Description.Behaviors.Add(smb); host.AddServiceEndpoint(typeof(IHelloWorldService), new BasicHttpBinding(), baseaddr + "SayHello"); //for some reason a default endpoint does not get created here host.Open(); Console.WriteLine("The service is ready at {0}", baseAddress); Console.WriteLine("Press to stop the service."); Console.ReadLine(); // Close the ServiceHost. host.Close(); } } } } I still think I'm doing something wrong as I don't get the normal "This is a web service...etc..." page when I load up the url How would I go about setting this up to return the value of name in SayHello(string name) when requested thusly: localhost:8080/HelloWorldService/SayHello?name=kyle Do I have to create an endpoing for the SayHello contract as well? I'm trying to walk before running, but this just seems like crawling...Service has zero application endpoints...

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  • Help with Linq Expression - INotifyPropertyChanged

    - by Stephen Patten
    Hello, I'm reading the source code from the latest Prism 4 drop and am interested in solving this problem. There is a base class for the ViewModels that implements INotifyPropertyChanged and INotifyDataErrorInfo and provides some refactoring friendly change notification. protected void RaisePropertyChanged<T>(Expression<Func<T>> propertyExpresssion) { var propertyName = ExtractPropertyName(propertyExpresssion); this.RaisePropertyChanged(propertyName); } private string ExtractPropertyName<T>(Expression<Func<T>> propertyExpresssion) { if (propertyExpresssion == null) { throw new ArgumentNullException("propertyExpression"); } var memberExpression = propertyExpresssion.Body as MemberExpression; if (memberExpression == null) { throw new ArgumentException("The expression is not a member access expression.", "propertyExpression"); } var property = memberExpression.Member as PropertyInfo; if (property == null) { throw new ArgumentException("The member access expression does not access property.","propertyExpression"); } if (!property.DeclaringType.IsAssignableFrom(this.GetType())) { throw new ArgumentException("The referenced property belongs to a different type.", "propertyExpression"); } var getMethod = property.GetGetMethod(true); if (getMethod == null) { // this shouldn't happen - the expression would reject the property before reaching this far throw new ArgumentException("The referenced property does not have a get method.", "propertyExpression"); } if (getMethod.IsStatic) { throw new ArgumentException("The referenced property is a static property.", "propertyExpression"); } return memberExpression.Member.Name; } and as an example of it's usage private void RetrieveNewQuestionnaire() { this.Questions.Clear(); var template = this.questionnaireService.GetQuestionnaireTemplate(); this.questionnaire = new Questionnaire(template); foreach (var question in this.questionnaire.Questions) { this.Questions.Add(this.CreateQuestionViewModel(question)); } this.RaisePropertyChanged(() => this.Name); this.RaisePropertyChanged(() => this.UnansweredQuestions); this.RaisePropertyChanged(() => this.TotalQuestions); this.RaisePropertyChanged(() => this.CanSubmit); } My question is this. What would it take to pass an array of the property names to an overloaded method (RaisePropertyChanged) and condense this last bit of code from 4 lines to 1? Thank you, Stephen

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  • How to Add an Attachment to a User Story using Rally REST .NET

    - by user1373451
    We're in the process of porting our .NET Rally code from SOAP to the REST .NET API. One thing I'm looking to replicate is the ability to upload attachments. I'm following a very similar procedure as to the one outlined in this posting: Rally SOAP API - How do I add an attachment to a Hierarchical Requirement Whereby the image is read into a System.Drawing.Image. We use the ImageToBase64 function to convert the image to a byte array which then gets assigned to the AttachmentContent, which is created first. Then, the Attachment gets created, and wired up to both AttachmentContent, and the HierarchicalRequirement. All of the creation events work great. A new attachment called "Image.png" gets created on the Story. However, when I download the resulting attachment from Rally, Image.png has zero bytes! I've tried this with different images, JPEG's, PNG's, etc. all with the same results. An excerpt of the code showing the process is included below. Is there something obvious that I'm missing? Thanks in advance. // .... Read content into a System.Drawing.Image.... // Convert Image to Base64 format byte[] imageBase64Format = ImageToBase64(imageObject, System.Drawing.Imaging.ImageFormat.Png); var imageLength = imageBase64Format.Length; // AttachmentContent DynamicJsonObject attachmentContent = new DynamicJsonObject(); attachmentContent["Content"] = imageBase64Format; CreateResult cr = restApi.Create("AttachmentContent", myAttachmentContent); String contentRef = cr.Reference; Console.WriteLine("Created: " + contentRef); // Tee up attachment DynamicJsonObject newAttachment = new DynamicJsonObject(); newAttachment["Artifact"] = story; newAttachment["Content"] = attachmentContent; newAttachment["Name"] = "Image.png"; newAttachment["ContentType"] = "image/png"; newAttachment["Size"] = imageLength; newAttachment["User"] = user; cr = restApi.Create("Attachment", newAttachment); String attachRef = attachRef.Reference; Console.WriteLine("Created: " + attachRef); } public static byte[] ImageToBase64(Image image, System.Drawing.Imaging.ImageFormat format) { using (MemoryStream ms = new MemoryStream()) { image.Save(ms, format); // Convert Image to byte[] byte[] imageBytes = ms.ToArray(); return imageBytes; } }

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  • Do the HtmlWindow returned from the HtmlPage.PopupWindow can .Invoke or .Eval javascript

    - by Nadzzz
    Creating a separate PopupWindow that opens another web browser give me as return value a HtmlWindow object that is the same object type as the static "HtmlPage.Window" of the silverlight project. That object type provides the "Invoke" and "Eval" methods. I want to evaluate a javascript that can be located on my Silverlight code in a string value (Eval) or inside the uri that I have popped up (Invoke). Nomather script execution method I use, It fails. For eval, it gives me an InvalidOperationException with "Eval failed." message. For Invoke, it gives me an InvalidOperationException with "Failed to Invoke: TalkToJavaScript." message. Is there a way to execute javascript on a PopupWindow. The code here is a simple test. The first time that I press the button it popup the uri in a new webbrowser instance. The second time that I click, it tries to execute javascript on the destination uri window. It fails at ** "m_window.Invoke("TalkToJavaScript", "pute");" Html code <html xmlns="http://www.w3.org/1999/xhtml"> <head> <script type="text/javascript"> function TalkToJavaScript(data) { alert("Message received from Silverlight: " + data); } </script> </head> <body> <div id="content" /> </body> </html> Silverlight Code private void Button_Click(object sender, System.Windows.RoutedEventArgs e) { if (m_window == null) { HtmlPopupWindowOptions options = new HtmlPopupWindowOptions(); options.Left = 0; options.Top = 0; options.Width = 800; options.Height = 600; m_window = HtmlPage.PopupWindow(new Uri("http://www.visionwww.com/tests/ContentInjectionTest.html"), "new", options); } else { m_window.Invoke("TalkToJavaScript", "test"); //m_window.Eval("alert(\"Message received from Silverlight\");"); } }

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  • Serializing Class Derived from Generic Collection yet Deserializing the Generic Collection

    - by Stacey
    I have a Repository Class with the following method... public T Single<T>(Predicate<T> expression) { using (var list = (Models.Collectable<T>)System.Xml.Serializer.Deserialize(typeof(Models.Collectable<T>), FileName)) { return list.Find(expression); } } Where Collectable is defined.. [Serializable] public class Collectable<T> : List<T>, IDisposable { public Collectable() { } public void Dispose() { } } And an Item that uses it is defined.. [Serializable] [System.Xml.Serialization.XmlRoot("Titles")] public partial class Titles : Collectable<Title> { } The problem is when I call the method, it expects "Collectable" to be the XmlRoot, but the XmlRoot is "Titles" (all of object Title). I have several classes that are collected in .xml files like this, but it seems pointless to rewrite the basic methods for loading each up when the generic accessors do it - but how can I enforce the proper root name for each file without hard coding methods for each one? The [System.Xml.Serialization.XmlRoot] seems to be ignored. When called like this... var titles = Repository.List<Models.Title>(); I get the exception <Titlesxmlns=''> was not expected. The XML is formatted such as. .. <?xml version="1.0" encoding="utf-16"?> <Titles xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Title> <Id>442daf7d-193c-4da8-be0b-417cec9dc1c5</Id> </Title> </Titles> Here is the deserialization code. public static T Deserialize<T>(String xmlString) { System.Xml.Serialization.XmlSerializer XmlFormatSerializer = new System.Xml.Serialization.XmlSerializer(typeof(T)); StreamReader XmlStringReader = new StreamReader(xmlString); //XmlTextReader XmlFormatReader = new XmlTextReader(XmlStringReader); try { return (T)XmlFormatSerializer.Deserialize(XmlStringReader); } catch (Exception e) { throw e; } finally { XmlStringReader.Close(); } }

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  • Java - How to make a set of JInternalFrame independant of each other?

    - by Amokrane
    Hello, I'm programming a short Paint program like and I'm trying to make an MDI architecture for it. To make that happen, I used JInternalFrame inside a JDesktopPane. Although I kind of obtain multiple frames, there are not really working properly. Basically, if I have 2 JInternalFrame I can draw only on the last one. The other one seems to be disabled. Here is a short video illustrating the problem. http://bit.ly/9ydiwM Here are some part of the code. Panneau.java public class Panneau extends JDesktopPane { /** La liste de fenêtres ouvertes */ private static ArrayList<Cadre> cadres; /** Le pannel comportant la liste des formes à dessiner*/ private Pannel pannel; /** La barre d'outils */ private ToolBox toolBox; public Panneau() { this.setLayout(new BorderLayout()); // Initialisations des listes de cadres cadres = new ArrayList<Cadre>(); // En haut ToolBox toolBox = new ToolBox(); this.add(toolBox, BorderLayout.NORTH); **// Intialisation de la première internal frame Cadre cadre = new Cadre(); this.add(cadre, BorderLayout.CENTER);** cadres.add(cadre); // Ajout du pannel à gauche pannel = new Pannel(); this.add(pannel, BorderLayout.WEST); } /** * Crée une nouvelle fenêtre de dessin * */ **public void createNewInternalFrame() { Cadre cadre = new Cadre(); this.add(cadre, BorderLayout.CENTER); cadres.add(cadre); }** } public class Cadre extends JInternalFrame { /** Largeur par d'une fenêtre interne */ private int width; /** Hauteur d'une fenêtre interne */ private int height; /** Titre d'une fenêtre interne */ private String title; /** Toile associée à la fenêtre interne */ private Toile toile; public Cadre() { width = 400; height = 400; title = "Form"; toile = new Toile(); this.setTitle(title); this.setSize(width, height); this.setEnabled(true); this.setResizable(true); this.setAutoscrolls(true); this.setClosable(true); this.setIconifiable(true); this.setDoubleBuffered(true); this.setContentPane(toile); this.setVisible(true); this.pack(); } } Basically, Panneau is the main Window that contains all the differents parts of the GUI. I can create as much JInternalFrame that I want, using : Panneau.createNewInternalFrame(). Toile is basically where I draw my shapes. Any idea ? Thanks

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  • .NET: Interface Problem VB.net Getter Only Interface

    - by snmcdonald
    Why does an interface override a class definition and violate class encapsulation? I have included two samples below, one in C# and one in VB.net? VB.net Module Module1 Sub Main() Dim testInterface As ITest = New TestMe Console.WriteLine(testInterface.Testable) ''// Prints False testInterface.Testable = True ''// Access to Private!!! Console.WriteLine(testInterface.Testable) ''// Prints True Dim testClass As TestMe = New TestMe Console.WriteLine(testClass.Testable) ''// Prints False ''//testClass.Testable = True ''// Compile Error Console.WriteLine(testClass.Testable) ''// Prints False End Sub End Module Public Class TestMe : Implements ITest Private m_testable As Boolean = False Public Property Testable As Boolean Implements ITest.Testable Get Return m_testable End Get Private Set(ByVal value As Boolean) m_testable = value End Set End Property End Class Interface ITest Property Testable As Boolean End Interface C# using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace InterfaceCSTest { class Program { static void Main(string[] args) { ITest testInterface = new TestMe(); Console.WriteLine(testInterface.Testable); testInterface.Testable = true; Console.WriteLine(testInterface.Testable); TestMe testClass = new TestMe(); Console.WriteLine(testClass.Testable); //testClass.Testable = true; Console.WriteLine(testClass.Testable); } } class TestMe : ITest { private bool m_testable = false; public bool Testable { get { return m_testable; } private set { m_testable = value; } } } interface ITest { bool Testable { get; set; } } } More Specifically How do I implement a interface in VB.net that will allow for a private setter. For example in C# I can declare: class TestMe : ITest { private bool m_testable = false; public bool Testable { get { return m_testable; } private set //No Compile Error here! { m_testable = value; } } } interface ITest { bool Testable { get; } } However, if I declare an interface property as readonly in VB.net I cannot create a setter. If I create a VB.net interface as just a plain old property then interface declarations will violate my encapsulation. Public Class TestMe : Implements ITest Private m_testable As Boolean = False Public ReadOnly Property Testable As Boolean Implements ITest.Testable Get Return m_testable End Get Private Set(ByVal value As Boolean) ''//Compile Error m_testable = value End Set End Property End Class Interface ITest ReadOnly Property Testable As Boolean End Interface So my question is, how do I define a getter only Interface in VB.net with proper encapsulation? I figured the first example would have been the best method. However, it appears as if interface definitions overrule class definitions. So I tried to create a getter only (Readonly) property like in C# but it does not work for VB.net. Maybe this is just a limitation of the language?

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