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• Creating has_many relationships in ActiveRecord without :primary_key

  - by kmorris511

  I'm working with an older version of Rails and ActiveRecord that does not have the :primary_key option in has_many relationships of more recent ActiveRecord versions and unfortunately I don't get to control when we upgrade. Is there any way to hack this solution via :conditions or :finder_sql options?

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• IE 8 install how to get version 8.0.6001.18702

  - by Robin

  I am having trouble installing the latest version of IE namely version 8.0.6001.18702. I downloaded the install from Microsoft but when the install is completed, the version number is reported as IE 8.0.6001.18702IC. This version does not work on all web applications and I need to get the correct final version installed. The problem is compounded by the installation downloading any updates from the Microsoft site so that there is no real control over the final version you get. Any ideas?

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• Using OpenGL in a regular window (Win32)

  - by user146780

  I want to use OpenGL in my WndProc but I'm not sure how. I also don't want GL to occupy the whole screen, just a portion of the screen. In the end I basically want to make a drawing win32 app but use OGL instead of GDI. so how can I tell GL to use my control (a panel) 's hdc for drawing? Thanks

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• Binding to element in WPF: can the Path expression do math?

  - by John

  Hi I'm trying to bind a control to the parent's Height/width property using ElementName and a Path. However, I don't want to bind to the actual height, but to exactly half the height. Can the Path expression do the math? e.g. Path={ActualHeight/2} I couldn't find a way to do that. IS there any other clever approach? Thanks!

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• svn: trying to commit after remove a folder and create it again (with the same name)

  - by user248959

  Hi, imagine i have made a co. Then if I remove a folder and create another one with the same name. Then if i try to ci I get: svn: Commit failed (details follow): svn: Directory '/opt/lampp/htdocs/prueba4/apps/frontend/modules/moto/.svn' containing working copy admin area is missing laptop@laptop:/opt/lampp/htdocs/prueba4$ sudo svn st ~ apps/frontend/modules/moto If i tried to add that folder i get: svn: warning: 'apps/frontend/modules/moto' is already under version control What should i do? Regards Javi

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• IIS headers of aspx page appear on page sometimes, any idea why?

  - by Chris

  At random this output it occurring at the top of the page. Site is installed on a lot of servers issue only happens on one server. HTTP/1.1 200 OK Date: Mon, 24 May 2010 04:18:30 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 Cache-Control: private Content-Type: text/html; charset=utf-8 Content-Length: 39611

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• folder and files selection in .net

  - by Xaver

  I want the control component which can provide access to all file sistem like a folder browser dialog but with supprot of which i can select many folders and file. whether there is already such a component in VS 2008 or made by third parties or should I create it myself?

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• Modify scroll speed, treeview drag&drop in C#

  - by voodoomsr

  i have a treview control with drag&drop functionality that response to draw the node outside the visible limits scrolling in the apropiate direction. The problem is that it scroll at light speed. I need a way to modify this speed.

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• Silverlight RichTextBox Shader Effects

  - by Fastidious

  Aside from rewriting the entire RichTextBox control, is there a way to apply the built-in shader effects (e.g. DropShadowEffect) to a specific piece of text or even a Paragraph or Run?

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• c# ProcessCmdKey overload, match generic combination

  - by leo

  Hi all, On some control, I want ProcessCmdKey to return true if the keys pressed by the user were ALT and any letter of the alphabet. I'm able to return true if the user presses Alt with the following code, but how can I add the condition of a letter also pressed ? protected override bool ProcessCmdKey(ref Message msg, Keys keyData) { if ((keyData & Keys.Alt) != 0) { return true; } } Thanks.

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• Problem using FormView to insert.

  - by matthew_360

  I have a formview control, and on the ItemCreated event, I am "priming" some of the fields with default values. However, when I try to use the formview to insert, before the ItemInserting event gets called, for some reason it calls ItemCreated first. That results in the fields being over-written with the default values right before the insert happens. How do I get it to not call the ItemCreated event before the ItemInserting event?

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• Starting timer from another project

  - by raj

  I have to projects in my .net windows forms, in one form(1st Project) i have timer control already running. On some request i want to start that timer from the form1 of (second project). If we are creating new object in second project for the 1st project(Which is currently in running thread) we will not be able to start the timer for the current instance. How can we access the current running instance from my 2nd project. Please suggest me some method

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• Selecting items of a Listview using checkboxes in ASP .NET

  - by Aku

  I am trying to use checkboxes to select the items in a Listview. I have added a checkbox control in the , and they are displayed properly. The problem is that Checked property never changes when I click on them. Why does this happen? And is there a workaround?

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• Security issue with tiny browser

  - by jasmine

  I have used tinybrowser with tiny mce as a plugin (My panel is php based). When uploading, there is link like this: www.****.com/dashboard/tiny_mce/plugins/tinybrowser/tinybrowser.php?type=image This link can open in all browser without permission. What is the solution in this case? Could I use admin panel's session control in tinyMce plugins?? Thanks in advance

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• using a List<Article> that is ordered, I want to get next/previous urls.

  - by Blankman

  So I have a List collection that I fetch via a API call (which I don't have any control over). The list is ordered. public class Article { articleID, string Url } So I have a Url value, using that I want to figure out the next and previous Url's if any. What's the most elegant way of doing this?

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• WPF separator between grid buttons

  - by Bob

  I have a grid with 4 buttons...1 row, 4 columns. I am looking for a way to visually group the two buttons on the left from the two on the right. I was looking for a way to do this with a separator but it doesnt seem to be playing nice with Grid, preferring StackPanel. Is this the right control? If so, how does one make the thing separate the columns (populated with buttons in this case)? Thanks.

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• Does previouspage.findcontrol work when master page is used ?

  - by Mohan

  Hi everybody. I added two pages in a project and used previouspage.findcontrol but when I used master page file, it stopped working. The control is found to be null. Why is this so?

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• How do I stop Opera from caching a page?

  - by nishkarr

  I am trying to get Opera to re-request a page every time instead of just serving it from the cache. I'm sending the 'Cache-control=no-cache' and 'Pragma: no-cache' response headers but it seems as if Opera is just ignoring these headers. It works fine in other browsers - Chrome, IE, Firefox. How do I stop Opera from caching pages? What I want to be able to do is have Opera re-request a page when the user clicks the Back button on the browser.

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• Configuration management for Windows Embedded Studio 2009?

  - by PhilMY

  I have had some success using WES2009 and svn to control an XPECMD script, SLD files and their dependencies. What's the best way to apply configuration management to Windows Embedded Studio projects?

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• How can I get zoom functionality for images?

  - by Janusz

  Is there a common way to show a big image and enable the user to zoom in and out and pan the image? Until now I found two ways: overwriting ImageView, that seems a little bit too much for such a common problem. using a webview but with less control over the overall layout etc.

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• Navigation with UISegmentcontrol iphone

  - by Goods

  I have created an up/down arrow segmented control button on the right side of the navigation bar in my detail view. How can I use these up/down arrows to change views?

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• WPF inherited UserControl lost VS designer support

  - by PaN1C_Showt1Me

  Hi ! I' written this UserControl: <my:MyUserControl x:Class="MyClass" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:my="clr-namespace:MyNameSpace.MyControls;assembly=MyAssembly"> </my:MyUserControl> public partial class Editor : MyNameSpace.MyControls.MyUserControl {} Everything works, the control is shown in the VS 2008 Designer, but I cannot click directly in the elements and select them as it was with UserControl. Any idea how to solve it?

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• What is the fastest/better way to localize a .Net Compact Framework application in C#?

  - by Praveen

  Hi All, I am developing an application for a Windows CE OS. I am using .Net Compact Framework 3.5. I want to localize my control texts on my form , and I am looking for the fastest way and compatible to compact framework using C#. Please guide me with your valuable ideas how can I do it ?

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• use javascript to read a link resource without ajax

  - by user156153

  Not sure if it's possible but how do I read a resource from a url using javascript without ajax? for example, the following url is a static text file containing json encoded text http://mysite.s3.amazonaws.com/jsonencodedcontent.txt I'd like to use javascript to read the content from above link, read the json content into a javascript variable. I can't use ajax because of cross site and I have no control over amazon S3 domain. anyway to achieve this?

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• C++ passing arguments to a program already running

  - by wyatt

  I'm reading through a tutorial on using voice commands to control applications and, in an example of controlling rhythmbox, it suggests commands such as the following can be executed: rhythmbox-client --play rhythmbox-client --pause Why does this not simply open a new instance of the program, and how can I emulate the functionality in my own programs? For example, how could I pass a string to a particular instance of a program? Thanks

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