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  • [PHP] Singleton class and using inheritance

    - by Saif Bechan
    I have am working on a web application that makes use of helper classes. These classes hold functions to various operation such as form handling. Sometimes I need these classes at more than one spot in my application, The way I do it now is to make a new Object. I can't pass the variable, this will be too much work. I was wondering of using singleton classes for this. This way I am sure only one instance is running at a time. My question however is when I use this pattern, should I make a singleton class for all the objects, this would b a lot of code replication. Could I instead make a super class of superHelper, which is a singleton class, and then let every helper extend it. Would this sort of set up work, or is there another alternative? And if it works, does someone have any suggestions on how to code such a superHelper class. Thank you guys

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  • jquery dialog - which button opened the dialog?

    - by Dan
    In the example below, how can you use the event and ui objects to detect which link opened the dialog? Can't seem to get $(event.target).attr("title"); to work properly, and I'm having trouble finding documentation on the 'ui object that is passed. Thanks! $( ".selector" ).dialog({ link_title = $(event.target).attr("title"); alert(link_title); }); $("a").live("click", function() { btn_rel = $(this).attr("rel"); $(btn_rel).dialog("open"); }); <a class="btn pencil" rel="#dialog_support_option_form" title="Edit Support Option">Edit</button>

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  • json support in visual studio 2010

    - by jnsohnumr
    Hi, I'm trying to work on a new project parsing some JSON data for a Silverlight 4 project (specifically created as a "Silverlight Business Application - Visual C#" project) using C# in Visual Studio 2010, and I can't find how to include the references to have parsers and native object support for JSON data. As far as I know my development tools are up to date (checked MS update). I know that I can probably just write my own parser but that seems like re-inventing the wheel. Below are some lines that work in VS 2008 in another project of ours (can't post the files due to their being part of a business app): using System.Json; results = (JsonObject)JsonObject.Load(e.Result); I hope my description is adequate. Thanks for looking, jnsohnumr

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  • JavaScript - get detailed information about the browser

    - by iconiK
    Basically I'm looking for something to give me easy access to information like useragentstring.com, but in JS, without me parsing the user agent and looking for each possible bit of text. The object could be something like this: browser = UserAgent.Browser; // Chrome browserVer = UserAgent.BrowserVersion; // 5.0.342.9 os = UserAgent.OperatingSystem; // Windows NT osVer = UserAgent.OperatingSystemVersion; // 6.1 layoutEng = UserAgent.LayoutEngine; // WebKit layoutEngVer = UserAgent.LayoutEngineVersion; // 533.2 Does something similar to that exist or do I have to write one myself? Writing yet another user agent parser doesn't seem that easy with all those impersonations going back to the dark ages of the web. Specifically I'm looking for something that doesn't just split the user agent into parts and give them to me, because that's as useless as the user agent itself; instead it should parse the user agent and recognize the engine, browser, OS, etc. and return the concrete parts only, as in the example.

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  • SmtpClient.SendAsync code review

    - by Lieven Cardoen
    I don't know if this is the way it should be done: { ... var client = new SmtpClient {Host = _smtpServer}; client.SendCompleted += SendCompletedCallback; var userState = mailMessage; client.SendAsync(mailMessage, userState); ... } private static void SendCompletedCallback(object sender, AsyncCompletedEventArgs e) { // Get the unique identifier for this asynchronous operation. var mailMessage= (MailMessage)e.UserState; if (e.Cancelled) { Log.Info(String.Format("[{0}] Send canceled.", mailMessage)); } if (e.Error != null) { Log.Error(String.Format("[{0}] {1}", mailMessage, e.Error)); } else { Log.Info("Message sent."); } mailMessage.Dispose(); } Disposing the mailMessage after the client.SendAsync(...) throws an error. So I need to dispose it in the Callback handler.

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  • Looking for search syntax documentation for SharePoint UserProfileManager.Search Method

    - by gregenslow
    Greetings - I have a SharePoint 2010 server running with the User Profile service setup to synchronize to Active Directory. I'd like to use the UserProfileManager.Search() method to return user profiles based on specific criteria. MSDN documentation for this method is here. It states that the method will return user profiles that match the specified search pattern. This is exactly what I want. However, there is no documentation on what a valid search pattern is. I've made a few guesses like "Department = 'HR'" but haven't had any luck. I can't find any other documentation or sample code. Can anyone provide samples of valid "search patterns?" Another way to return user profiles is to do a query using the FullTextSqlQuery object. We don't yet have Search setup on this server so this isn't currently an option. Thanks, Greg

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  • UITableView issue when using separate delegate/dataSource

    - by Adam Alexander
    General Description: To start with what works, I have a UITableView which has been placed onto an Xcode-generated view using Interface Builder. The view's File Owner is set to an Xcode-generated subclass of UIViewController. To this subclass I have added working implementations of numberOfSectionsInTableView: tableView:numberOfRowsInSection: and tableView:cellForRowAtIndexPath: and the Table View's dataSource and delegate are connected to this class via the File Owner in Interface Builder. The above configuration works with no problems. The issue occurs when I want to move this Table View's dataSource and delegate implementations out to a separate class, most likely because there are other controls on the View besides the Table View and I'd like to move the Table View-related code out to its own class. To accomplish this, I try the following: Create a new subclass of UITableViewController in Xcode Move the known-good implementations of numberOfSectionsInTableView: tableView:numberOfRowsInSection: and tableView:cellForRowAtIndexPath: to the new subclass Drag a Table View Controller to the top level of the existing XIB in InterfaceBuilder, delete the View/TableView that are automatically created for this Table View Controller, then set the Table View Controller's class to match the new subclass Remove the previously-working Table View's existing dataSource and delegate connections and connect them to the new Table View Controller When complete, I do not have a working Table View. I end up with one of three outcomes which can seemingly happen at random: When the Table View loads, I get a runtime error indicating I am sending tableView:cellForRowAtIndexPath: to an object which does not recognize it When the Table View loads, the project breaks into the debugger without error There is no error, but the Table View does not appear With some debugging and having created a basic project just to reproduce this issue, I am usually seeing the 3rd option above (no error but no visible table view). I added some NSLog calls and found that although numberOfSectionsInTableView and numberOfRowsInSection are both getting called, cellForRowAtIndexPath is not. I am convinced I'm missing something really simple and was hoping the answer may be obvious to someone with more experience than I have. If this doesn't turn out to be an easy answer I would be happy to update with some code or a sample project. Thanks for your time! Complete steps to reproduce: Create a new iPhone OS, View-Based Application in Xcode and call it TableTest Open TableTestViewController.xib in Interface Builder and drag a Table View onto the provided view surface. Connect the Table View's dataSource and delegate outlets to File's Owner, which should already represent the TableTestViewController class. Save your changes Back in Xcode, add the following code to TableTestViewController.m: - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { NSLog(@"Returning num sections"); return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { NSLog(@"Returning num rows"); return 1; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { NSLog(@"Trying to return cell"); static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease]; } cell.text = @"Hello"; NSLog(@"Returning cell"); return cell; } Build and Go, and you should see the word Hello appear in the TableView Now to attempt to move this TableView's logic out to a separate class, first create a new file in Xcode, choosing UITableViewController subclass and calling the class TableTestTableViewController Remove the above code snippet from TableTestViewController.m and place it into TableTestTableViewController.m, replacing the default implementation of these three methods with ours. Back in Interface Builder within the same TableTestViewController.xib file, drag a Table View Controller into the main IB window and delete the new Table View object that automatically came with it Set the class for this new Table View Controller to TableTestTableViewController Remove the dataSource and delegate bindings from the existing, previously-working Table View and reconnect the same two bindings to the new Table Test Table View Controller we created. Save changes, Build and Go, and if you're getting the results I'm getting, note the Table View no longer functions properly Solution: With some more troubleshooting and some assistance from the iPhone Developer Forums at https://devforums.apple.com/message/5453, I've documented a solution! The main UIViewController subclass of the project needs an outlet pointing to the UITableViewController instance. To accomplish this, simply add the following to the primary view's header (TableTestViewController.h): #import "TableTestTableViewController.h" and IBOutlet TableTestTableViewController *myTableViewController; Then, in Interface Builder, connect the new outlet from File's Owner to Table Test Table View Controller in the main IB window. No changes are necessary in the UI part of the XIB. Simply having this outlet in place, even though no user code directly uses it, resolves the problem completely. Thanks to those who've helped and credit goes to BaldEagle on the iPhone Developer Forums for finding the solution.

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  • How to throw a SqlException(need for mocking)

    - by chobo2
    Hi I am trying to test some exceptions in my project and one of the Exceptions I catch is SQlException. Now It seems that you can't go new SqlException() so I am not sure how I can throw a exception especially without somehow calling the database(and since it is unit tests it is usually advised not to call the database since it is slow). So I am using nunit and moq so I am not sure how to fake this. Edit Based on the answers they seem to all be based on ado.net I am using linq to sql. So that stuff is like behind the scenes. Edit @ Matt Hamilton System.ArgumentException : Type to mock must be an interface or an abstract or non-sealed class. at Moq.Mock`1.CheckParameters() at Moq.Mock`1..ctor(MockBehavior behavior, Object[] args) at Moq.Mock`1..ctor(MockBehavior behavior) at Moq.Mock`1..ctor() Posts to the first line when it tries to mockup var ex = new Mock<System.Data.SqlClient.SqlException>(); ex.SetupGet(e => e.Message).Returns("Exception message");

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  • Asp.Net GridView in DropDownList in-line databind

    - by oraclee
    Hi All; <asp:GridView ID="GridView1" runat="server"> <Columns> <asp:TemplateField> <EditItemTemplate> <asp:DropDownList ID="DropDownList1" runat="server"> </asp:DropDownList> </EditItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { } How To Make GridView1_RowEditing event in DataBind DropDownList1 ? I need Editing databind dropdownlist pls Help Thank You.

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  • Custom form designer, move/resize controls using WinAPI

    - by jonny
    I have to fix some problems and enchance form designer written long ago for a database project. In Design Panel class code I encountered these lines private void DesignPanel_MouseDown(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { (sender as Control).Capture = false; switch (FMousePosition) { case MousePosition.mpNone: SendMessage((sender as Control).Handle, WM_SYSCOMMAND, 0xF009, 0); break;// Move case MousePosition.mpRightBottom: SendMessage((sender as Control).Handle, WM_SYSCOMMAND, 0xF008, 0); break;//RB case MousePosition.mpLeftBottom: SendMessage((sender as Control).Handle, WM_SYSCOMMAND, 0xF007, 0); // ... here are similar cases ... case MousePosition.mpLeft: SendMessage((sender as Control).Handle, WM_SYSCOMMAND, 0xF001, 0); break;//L } } } FMousePosition indicates whether mouse was over any edge of selected control. What confusing me is these windows messages: it seems there is no documentation on WM_SYSCOMMAND with parameters 0xF001-0xF009 (maybe it starts some kind of 'drag/resize sequence'). Any ideas? If my suggestion is right, then how can I cancel these sequences?

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  • AS3 OOP MVC with PHP

    - by Pepe Sanchez
    Im new to ActionScript and Flex 3... im trying to develop an MVC 100% OOP application with Flex 3 using MXML,AS3 and PHP. M (PHP) V (MXML) C (AS3) The 3 layers i choose for my development. I have 10 AS3 classes that are object related between them and some inherit or implement interfaces. The only problem here is how to interact 100% OOP with my model. In this case my model has to be a PHP Class that needs to be called from AS3 (the controller). For example the AS3 class : Patient have a method called Save: public function Save(data:Array) : void { /* PHP call - model layer */ } I want to create an instance of my PHP Patient Model class that connects to the DB and insert the data array into it. What should i use ? how can i also return a variable to AS3 ? What happen to as3 if there is a cached Exception in PHP ? Thanks in advanced :)

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  • How to send AT command in android?

    - by jitendra Kumar
    Hi All, I want to send At command throug my application to modem. Can some one please let me know how to send AT command thr my application?? Do we need Phone object to send AT command??? The ATResponseParser class parses part of the AT command syntax used to communicate with the mobile radio hardware in a mobile handset. This is, in fact, a command syntax very much like the AT command syntax used by modems, a standard described in the 3GPP document number TS 27.007 and related specifications. I ant to send below AT command to Mode. 6.5 Hangup call +CHUP Table 13a: +CHUP action command syntax Command Possible response(s) +CHUP +CHUP=? Please help me. Regards, Jitendra Kumar

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  • C# - Repeating a method call using timers

    - by Jeremy Rudd
    In a VSTO add-in I'm developing, I need to execute a method with a specific delay. The tricky part is that the method may take anywhere from 0.1 sec to 1 sec to execute. I'm currently using a System.Timers.Timer like this: private Timer tmrRecalc = new Timer(); // tmrRecalc.Interval = 500 milliseconds private void tmrRecalc_Elapsed(object sender, System.Timers.ElapsedEventArgs e){ // stop the timer, do the task     tmrRecalc.Stop();         Calc.recalcAll();         // restart the timer to repeat after 500 ms     tmrRecalc.Start(); } Which basically starts, raises 1 elapse event after which it is stopped for the arbitrary length task is executed. But the UI thread seems to hang up for 3-5 seconds between each task. Do Timers have a 'warm-up' time to start? Is that why it takes so long for its first (and last) elapse? Which type of timer do I use instead?

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  • INetCfgComponent::RaisePropertyUi arguments

    - by Soo Wei Tan
    I'm trying to do some COM interop and attempting to invoke the INetCfgComponent::RaisePropertyUi method. I've gotten to the point where I can enumerate devices and get a valid INetCfgComponent for the adapter that I want to display the UI for. However, I'm a COM newbie (let alone COM interop) so I have no idea what the third argument in RaisePropertyUi() is meant to be. I've tried passing in the INetCfgComponent object that I have, but that just results in a InvalidCastException. MSDN has the following to say about the argument: Pointer to the IUnknown interface. RaisePropertyUi retrieves from IUnknown the interface of the context in which to display a network component's property sheet. RaisePropertyUi uses this interface to restrict the display of the property sheet to the context of a connection.

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  • WPF Binding Failure performance hit vs Exception

    - by Aran Mulholland
    when we bind to heterogeneous collection of objects, not all objects have the same set of properties. in the output window we get a message like: System.Windows.Data Error: 39 : BindingExpression path error: 'RoundingFactor' property not found on 'object' ''MultiLineTextMarkingScheme' (HashCode=7262386)'. BindingExpression:Path=RoundingFactor;.......... This doesn't appear to be an exception, but we are concerned it has a performance impact. Should we be concerned and create a view model that has all the properties we wish to bind to (and have the properties that dont exist on the underlying element return null) or can we just leave it. This situation often occurs in a grid scenario where there might be large numbers of these binding failures.

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  • linq to sql -> join

    - by ile
    SQL query: SELECT ArticleCategories.Title AS Category, Articles.Title, Articles.[Content], Articles.Date FROM ArticleCategories INNER JOIN Articles ON ArticleCategories.CategoryID = Articles.CategoryID Object repository: public class ArticleRepository { private DB db = new DB(); // // Query Methods public IQueryable<Article> FindAllArticles() { var result = from category in db.ArticleCategories join article in db.Articles on category.CategoryID equals article.CategoryID select new { CategoryID = category.CategoryID, CategoryTitle = category.Title, ArticleID = article.ArticleID, ArticleTitle = article.Title, ArticleDate = article.Date, ArticleContent = article.Content }; return result; } .... } And finally, I get this error: Error 1 Cannot implicitly convert type 'System.Linq.IQueryable' to 'System.Linq.IQueryable'. An explicit conversion exists (are you missing a cast?) C:\Documents and Settings\ilija\My Documents\Visual Studio 2008\Projects\CMS\CMS\Models\ArticleRepository.cs 29 20 CMS Any idea what did I do wrong? Thanks, Ile

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  • asp fpdf trying to output a image assigned to a variable

    - by bluffo
    this is the code i used to display image in the header. the problem i have is i want to use a variable for the image, when i put the variable name instead of the image name i get an error: Microsoft JScript runtime error '800a138f' 'undefined' is null or not an object /EKtestdb/fpdf/fpdf/includes/Basics.asp, line 121 this.Header=function Header() { this.SetY (10) this.SetFont ("Times","",10) //this.Cell (45,5, "HEADER", 0, 0, "L") this.SetFont ("Times","b",14) //this.Cell (190,5, this.title, 0, 0, "C") this.Cell (190,20, this.title, 0, 0) this.SetFont ("Times","",10) this.Image('logoSM1.jpg',165,3,33) this.Image( techpic ,165,3,33) this is the code for basics.asp line 121: this.strrpos=function strrpos(s,ch){ res = s.lastIndexOf(ch) if (res>0-1){return res}else{return false} } this.strpos=function strpos(s,ch,start){ if (arguments.length<3){start=0} res = s.indexOf(ch,start); if (res>-1){return res}else{return false} } if you just want to display an image this line should work: this.Image('logoSM1.jpg',165,3,33) but for using a variable instead of image name can someone help with this?

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  • Folder.Bind - "Id is malformed" - Exchange Web Services Managed API

    - by Michael Shimmins
    I'm passing the Folder.Id.UniqueId property of a folder retrieved from a FindFolders query via the query string to another page. On this second page I want to use that UniqueId to bind to the folder to list its mail items: string parentFolderId = Request.QueryString["id"]; ... Folder parentFolder = Folder.Bind(exchangeService, parentFolderId); // do something with parent folder When I run this code it throws an exception telling me the Id is manlformed. I thought maybe it needs to be wrapped in a FolderId object: Folder parentFolder = Folder.Bind(exchangeService, new FolderId(parentFolderId)); Same issue. I've been searching for a while, and have found some suggestions about Base64/UTF8 conversion, but again that did not solve the problem. Anyone know how to bind to a folder with a given unique id?

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  • WPF Custom TextBox ContextMenuOpening Problem

    - by Tom Allen
    I've got an issue with a custom control that I've written not firing it's ContextMenuOpening event when I hook it up programatically. The control is basically a wrapper for the standard TextBox: public class MyTextBox : TextBox { public MyTextBox() { this.ContextMenuOpening += new ContextMenuEventHandler(MyTextBox_ContextMenuOpening); } void MyTextBox_ContextMenuOpening(object sender, ContextMenuEventArgs e) { MessageBox.Show("ContextMenuOpening event fired"); } } There's nothing suspect either about the XAML: <local:MyTextBox Height="25" Width="300"/> For some reason though, I can never get the event to fire. I'm trying to intercept the context menu so I can alter it (it's context sensitive) and really am trying to avoid having to hook up the event everywhere the control is used - surely this is possible?

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  • ExternalInterface in flex calling javascript function works for mozilla/chrome but NOT IE

    - by Rees
    hello, i have a flex application that does a simple ExternalInterface.call("shareOptions"), which calls a shareOptions() javascript method and works absolutely fine with Mozilla and chrome, however when I test with IE i get the following error: Error: [object Error] at flash.external::ExternalInterface$/_toAS() at flash.external::ExternalInterface$/call() I looked at the adobe livedocs documentation but can't determine what the issue is with IE. is there something i'm missing?? if anyone knows, please let me know ASAP! thanks in advance. private function shareOptions(event:MouseEvent):void{ ExternalInterface.marshallExceptions = true; if (ExternalInterface.available){ ExternalInterface.call("shareOptions"); } } the javascript <script language="JavaScript" type="text/javascript"> function shareOptions() { myWin = window.open('http://www.mysite.shareOptions.php','yeee!','width=640,height=690,toolbar=no,location=0,directories=no,status=no,menubar=no,scrollbars=no,copyhistory=no,resizable=yes,x=500,y=500'); myWin.moveTo(300,300); } </script>

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  • Axis/SOAP service styles and interoperability

    - by Thilo
    There are four "styles" of service in Axis. RPC services use the SOAP RPC conventions, and also the SOAP "section 5" encoding. Document services do not use any encoding (so in particular, you won't see multiref object serialization or SOAP-style arrays on the wire) but DO still do XML<-Java databinding. Wrapped services are just like document services, except that rather than binding the entire SOAP body into one big structure, they "unwrap" it into individual parameters. Message services receive and return arbitrary XML in the SOAP Envelope without any type mapping / data binding. If you want to work with the raw XML of the incoming and outgoing SOAP Envelopes, write a message service. So, if I use anything else except the first option(SOAP RPC Section 5), how does this impact interoperability? If someone says they want a SOAP service (including WSDL), does this mean that SOAP RPC conventions are expected? Can the other three styles still be used when the other end is not implemented with Axis?

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  • Importing AutoCAD/Solidworks drawings/objects into winforms?

    - by Dinoo
    Has anybody done anything like that? I need to import 3d objects, done in either AutoCAD or Solidworks, and draw them into a windows form. I only need the object to be viewed in 3D and moved around - no manipulation required. I am assuming I will need 2 libraries at least, one for a very simple 3D engine, and one to actually get what I need from the CAD/SW files. Autodesk has a SDK available for developing AutoCAD plugins using .NET, but I am not sure if you can use it the other way around - loading files into the .NET app. Any help, links, and ideas are appreciated.

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  • Webbrowser control: auto fill textfields

    - by Khou
    I would like my custom browser to auto fill in a form when it is completely loaded Ok so inside private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e) { } Ive inserted the following statements webBrowser1.Document.GetElementById("FirstName").SetAttribute("value", "John"); webBrowser1.Document.GetElementById("LastName").SetAttribute("value", "Smith"); // etc..etc.. I noticed that "webBrowser1_DocumentCompleted" only is loaded one time?? How do i make my browser auto fill in a form when the document has finish loading, and auto fill the values to the define values if they have been changed by the end user.

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  • Is Objective C fast enough for DSP/audio programming

    - by morgancodes
    I've been making some progress with audio programming for iPhone. Now I'm doing some performance tuning, trying to see if I can squeeze more out of this little machine. Running Shark, I see that a significant part of my cpu power (16%) is getting eaten up by objc_msgSend. I understand I can speed this up somewhat by storing pointers to functions (IMP) rather than calling them using [object message] notation. But if I'm going to go through all this trouble, I wonder if I might just be better off using C++. Any thoughts on this?

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  • Using ADO.net Entity Framework 4 with Enumerations? How do I do it ?

    - by Perpetualcoder
    Question 1: I am playing around with EF4 and I have a model class like : public class Candidate { public int Id {get;set;} public string FullName {get;set;} public Gender Sex {get;set;} public EducationLevel HighestDegreeType {get;set;} } Here Gender and EducationLevel are Enums like: public enum Gender {Male,Female,Undisclosed} public enum EducationLevel {HighSchool,Bachelors,Masters,Doctorate} How do I get the Candidate Class and Gender and EducationLevel working with EF4 if: I do model first development I do db first development Edit: Moved question related to object context to another question here.

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