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  • Why does this IF statement fail?

    - by ChosenOne
    If variable path is empty, and editor.Text is not empty, the SaveFileDialog should be displayed. Now, why on earth is this damn thing failing??? I have tried this with many different variations of code with the same result: FAIL: if(path.Length >= 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } At the top of code file I have: path = String.Empty; So why the heck it this failing every single time, even after trying all of the below variations? if(path.Length > 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrEmpty(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrWhiteSpace(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } This is making me very angry. How could this fail? Setting a break point reveals that path is definitely null/"".

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  • How to set the image for the custom buttoun created on the navigation bar in iphone?

    - by Warrior
    I am new to iphone development.I want to create custom button on navigation bar.I want to create it with a image.How can i do it.Please help me out.Here is my code.Thanks. UIBarButtonItem *leftbutton = [[UIBarButtonItem alloc] initWithImage:@"Email.png" style:UIBarButtonItemStyleBordered target:self action:@selector(leftbutton)]; self.navigationItem.leftBarButtonItem = leftbutton; [leftbutton release];

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  • Gzip for Classic ASP Pages

    - by ctroy
    I don't have access to IIS Server as I am hosted on a shared hosting. I don't have access to remote IIS manager or the command prompt on server. Now, my question is, Is it possible to gzip my asp pages? I am hosted on an IIS 7 server.

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  • Creating Directory on Server in ASP.NEt programatically

    - by Jayesh
    Hi, I want to programatically create a directory on the server using ASP.NET. I have done this using System.IO's Directory.CreateDirctory. however, the newly created folder is not accessible in the code. after searching a bit, I came to know that the newly create folder is not included the project and hence not accessible. Can anyone please help me out on this. Thank You

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  • alternatives to accessing google reader with oauth?

    - by Dustin Getz
    I'm really new to this oauth stuff. I want to access a user's google reader liked items feed. This blog says that oauth doesn't work (yet) with google reader. The working way seems to be to get the user's google credentials (email, password) directly, and login directly to google. This also gives me access to the rest of their services. Is there a better way, or must the user trust me with their google credentials?

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  • Call HttpWebRequest in another thread as UI with Task class - avoid to dispose object created in Task scope

    - by John
    I would like call HttpWebRequest on another thread as UI, because I must make 200 request or server and downloaded image. My scenation is that I make a request on server, create image and return image. This I make in another thread. I use Task class, but it call automaticaly Dispose method on all object created in task scope. So I return null object from this method. public BitmapImage CreateAvatar(Uri imageUri, int sex) { if (imageUri == null) return CreateDefaultAvatar(sex); BitmapImage image = null; new Task(() => { var request = WebRequest.Create(imageUri); var response = request.GetResponse(); using (var stream = response.GetResponseStream()) { Byte[] buffer = new Byte[response.ContentLength]; int offset = 0, actuallyRead = 0; do { actuallyRead = stream.Read(buffer, offset, buffer.Length - offset); offset += actuallyRead; } while (actuallyRead > 0); image = new BitmapImage { CreateOptions = BitmapCreateOptions.None, CacheOption = BitmapCacheOption.OnLoad }; image.BeginInit(); image.StreamSource = new MemoryStream(buffer); image.EndInit(); image.Freeze(); } }).Start(); return image; } How avoid it? Thank Mr. Jon Skeet try this: private Stream GetImageStream(Uri imageUri) { Byte[] buffer = null; //new Task(() => //{ var request = WebRequest.Create(imageUri); var response = request.GetResponse(); using (var stream = response.GetResponseStream()) { buffer= new Byte[response.ContentLength]; int offset = 0, actuallyRead = 0; do { actuallyRead = stream.Read(buffer, offset, buffer.Length - offset); offset += actuallyRead; } while (actuallyRead > 0); } //}).Start(); return new MemoryStream(buffer); } It return object which is null a than try this: private Stream GetImageStream(Uri imageUri) { Byte[] buffer = null; new Task(() => { var request = WebRequest.Create(imageUri); var response = request.GetResponse(); using (var stream = response.GetResponseStream()) { buffer= new Byte[response.ContentLength]; int offset = 0, actuallyRead = 0; do { actuallyRead = stream.Read(buffer, offset, buffer.Length - offset); offset += actuallyRead; } while (actuallyRead > 0); } }).Start(); return new MemoryStream(buffer); } Method above return null

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  • SSIS 2008 - How to read from SQL Server Compact Edition file?

    - by Gustavo Cavalcanti
    I can see "SQL Server Compact Destination" under Data Flow Destinations, but I am looking for its source counterpart. If I choose ADO.Net source and create a new connection, there's no provider for SQL CE. What am I missing? Thanks! Update: I am able to create a "Data Source" (under "Data Sources" folder in my SSIS project") that connects to an existing Sql CE file. But how can I use this Data Source in my data flow?

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  • Python4Delphi: Returning a python object in a function. (DelphiWrapper)

    - by Gabriel Fonseca
    I am using python4delphi. ow can I return an object from a wrapped Delphi class function? Code Snippet: I have a simple Delphi Class that i wrapped to Python Script, right? TSimple = Class Private function getvar1:string; Public Published property var1:string read getVar1; function getObj:TSimple; end; ... function TSimple.getVar1:string; begin result:='hello'; end; function TSimple.getObj:TSimple; begin result:=self; end; I made the TPySimple like the demo32 to give class access to the python code. My python module name is test. TPyDado = class(TPyDelphiPersistent) // Constructors & Destructors constructor Create( APythonType : TPythonType ); override; constructor CreateWith( PythonType : TPythonType; args : PPyObject ); override; // Basic services function Repr : PPyObject; override; class function DelphiObjectClass : TClass; override; end; ... { TPyDado } constructor TPyDado.Create(APythonType: TPythonType); begin inherited; // we need to set DelphiObject property DelphiObject := TDado.Create; with TDado(DelphiObject) do begin end; Owned := True; // We own the objects we create end; constructor TPyDado.CreateWith(PythonType: TPythonType; args: PPyObject); begin inherited; with GetPythonEngine, DelphiObject as TDado do begin if PyArg_ParseTuple( args, ':CreateDado' ) = 0 then Exit; end; end; class function TPyDado.DelphiObjectClass: TClass; begin Result := TDado; end; function TPyDado.Repr: PPyObject; begin with GetPythonEngine, DelphiObject as TDado do Result := VariantAsPyObject(Format('',[])); // or Result := PyString_FromString( PAnsiChar(Format('(%d, %d)',[x, y])) ); end; And now the python code: import test a = test.Simple() # try access the property var1 and everything is right print a.var1 # work's, but.. b = a.getObj(); # raise a exception that not find any attributes named getObj. # if the function returns a string for example, it's work.

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  • this.loaderInfo is null in Flex

    - by Viliam Husár
    I have a problem with Flex module. I want to access url variables by this.loaderInfo.url, i call a function in createionComplete handler of module and sometimes it works and sometimes it doesn't. (Can't access... null). Any suggestions?

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  • SQL GUI Programs

    - by jake
    Are there any programs with a gui which let you create a SQL database, create tables, define the primary and foreign keys and insert data? I am tired of having to use the mysql command line client, very tedious.

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  • How do I write JPA QL statements that hints to the runtime to use the DEFAULT value ?

    - by Jacques René Mesrine
    I have a table like so: mysql> show create table foo; CREATE TABLE foo ( network bigint NOT NULL, activeDate datetime NULL default '0000-00-00 00:00:00', ... ) In the domain object, FooVO the activeDate member is annotated as Temporal. If I don't set activeDate to a valid Date instance, a new record is inserted with NULLs. I want the default value to take effect if I don't set the activeDate member. Thanks.

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  • Add existing project to solution under visualvsn

    - by Eric
    We are changing from SourceSafe 2005 to visual svn. How can an exisiting project be added to a solution Example: I create solution1 with 3 projects and add to /trunk I create solution2 with 1 project and add to /trunk In solution1 I add existing project from solution2, but I cannot add to subversion. I get "out of working copy, use the VisualSVN-Set Working Copy root menu" In SourceSafe2005 it would just link, what is the procedure for VisualSVN? Branch? Regards _Eric

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  • First Party and Third Party Cookie

    - by ajithperuva
    I want to create a analysis project (just like google analysis),for getting conversion rate and track visitor count.How can we create first party cookie and third party cookie using php.Actually, how can we identify our third party and first party cookie.Need to follow any type of standard for identify them?if anybody know please give me some idea about it...please

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  • Software for building a sitemap.

    - by UXdesigner
    If I had to create a content inventory for a website that doesn't have a sitemap, and I do not have access to modify the website, but the site is very large. How can I build a sitemap out of that website without having to browse it entirely ? I tried with Visio's sitemap builder, but it fails great time. Let's say for example: I Want to create a sitemap of Stackoverflow. Do you guys know a software to build it ?

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  • Entity Framework - in model first, how do I get my EF classes to be based on the existing domain cla

    - by Greg
    Hi, If I already have domain classes, and I want to be able persist them using EF via a model first approach how do I do this? For example do I go to the EF designer (in VS2010) and create the model and generate the classes, then go to these EF classes and somehow manually modify them? But then would there be an issue if I needed to change the model and re-create database TSQL from the model for updates? What's the easiest approach?

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  • chrome-like status bar in qt

    - by hasen j
    I'm not big on creating GUI's, and generally my philosophy is: I don't create them, or I make them as simple as possible (and convince myself that it's better for usability :) For my current project, I'm using Qt from Python (PyQt), and I want to start adding some GUI elements without cluttering the interface. My idea is to create these elements as sort of floating-shaped-widgets that only appear when necessary; pretty much like the status bar (and find bar) in chrome. Is there any standard api that enables creating this kind of interface?

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  • Blank page shown in Mozilla Firefox

    - by Arun
    I have a jsf page which works perfectly fine[Both in IE and Mozilla Firefox] when the application is deployed locally. But i deploy it at the client place and I try to access the page in mozilla FF i get a blank page but it shows up properly in IE. Now if i do a remote desktop connection to the system where the application is deployed and try to access the same page i get to see the page correctly in both mozilla ff & IE Is this due to some sort of network issue specific to mozilla?

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  • Accessing ItemRenderer in AdvancedDataGrid Flex / AS3?

    - by Muhammad Husnain Ashfaq
    i have XMLList data which is used for advanceddatagird dataprovide(by converting it to hierarchal data ), the advanceddatagrid consist of 2 columns,i want to access the ItemRenderer of 2nd colomn (customized item rendrer) by giving the item. i can get the itemRendrer bu using var Obj:Object = itemToItemRenderer(item); i cant understand that obj is IListItemRendrer, but in 2nd colomn i have used the renderer named "ProcessFLowRendrer"? can you tell me how i can access the rendrer of 2nd column, by item not by index ?

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  • Unrequired property keeps getting data-val-required attribute

    - by frennky
    This is the model with it's validation: [MetadataType(typeof(TagValidation))] public partial class Tag { } public class TagValidation { [Editable(false)] [HiddenInput(DisplayValue = false)] public int TagId { get; set; } [Required] [StringLength(20)] [DataType(DataType.Text)] public string Name { get; set; } //... } Here is the view: <h2>Create</h2> <script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script> @using (Html.BeginForm()) { @Html.ValidationSummary(true) <fieldset> <legend>Tag</legend> <div>@Html.EditorForModel()</div> <p> <input type="submit" value="Create" /> </p> </fieldset> } <div> @Html.ActionLink("Back to List", "Index") </div> And here is what get's renderd: <form action="/Tag/Create" method="post"> <fieldset> <legend>Tag</legend> <div><input data-val="true" data-val-number="The field TagId must be a number." data-val-required="The TagId field is required." id="TagId" name="TagId" type="hidden" value="" /> <div class="editor-label"><label for="Name">Name</label></div> <div class="editor-field"><input class="text-box single-line" data-val="true" data-val-length="The field Name must be a string with a maximum length of 20." data-val-length-max="20" data-val-required="The Name field is required." id="Name" name="Name" type="text" value="" /> <span class="field-validation-valid" data-valmsg-for="Name" data-valmsg-replace="true"></span></div> ... </fieldset> </form> The problem is that TagId validation gets generated althoug thare is no Required attribute set on TagId property. Because of that I can't even pass the client-side validation in order to create new Tag in db. What am I missing?

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