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• How to highlight matching sub-strings inside a ListBox?

  - by Kishore Kumar

  I have one TextBox and one listbox for searching a collection of data. While searching a text inside a Listbox if that matching string is found anywhere in the list it should show in Green color with Bold. eg. I have string collection like "Dependency Property, Custom Property, Normal Property". If I type in the Search Text box "prop" all the Three with "prop" (only the word Prop) should be in Bold and its color should be in green. Any idea how it can be done?. Data inside listbox is represented using DataTemplate.

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• How to order the images in a mysql database?

  - by user305270

  Hy! Here is my problem: i have a profile and this profile has for example 100 images. When someone visit this profile the first image will be the first result of my query that sorts by updated_at. But if the user would want to put the image with the (id = 8) to be the first, then (id = 22) then (id = 88) and so on? I need to put another field or is really necessary a new table to make a custom sort on images? and maybe someone explain this to me how to do? thanks, i appreciate your help ;)

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• Protect files from svn commit.

  - by chrsk

  Hey, imagine a plain webapp with a log4j.properties which is under version control. I can't add it to svn:ignore because its a mandatory file. If i make custom changes for development and i don't want to commit them, i have to watch out for accidently commits. For one file it's easy to handle, with 3 or more files it becomes creepy. Is there a way to disable these files temporary from svn commit? So its easiert to commit? I'm working with svn and subclipse.

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• Html5 - Callback when media is ready on iPad wont work

  - by Kap

  I'm trying to add a callback to a HTML5 audio element on an iPad. I added an eventlistener to the element, the myOtherThing() starts but there is no sound. If I pause and the play the sound again the audio starts. This works in chrome. Does anyone have an idea how I can do this? myAudioElement.src = "path_to_file"; addEventListener("canplay", function(){ myAudioElement.play(); myOtherThing.start(); }); SOLVED Just wanted to share my solution here, just in case someone else needs it. As far as I understand the iPad does not trigger any events without user interactions. So to be able to use "canply", "playing" and all the other events you need to use the built in media controller. Once you press play in that controller, the events gets triggered. After that you can use your custom interface.

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• Django: ordering by backward related field property

  - by Silver Light

  Hello! I have two models related one-to-many: a Post and a Comment: class Post(models.Model): title = models.CharField(max_length=200); content = models.TextField(); class Comment(models.Model): post = models.ForeignKey('Post'); body = models.TextField(); date_added = models.DateTimeField(); I want to get a list of posts, ordered by the date of the latest comment. If I would write a custom SQL query it would look like this: SELECT `posts`.`*`, MAX(`comments`.`date_added`) AS `date_of_lat_comment` FROM `posts`, `comments` WHERE `posts`.`id` = `comments`.`post_id` GROUP BY `posts`.`id` ORDER BY `date_of_lat_comment` DESC How can I do same thing using django ORM?

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• Condition checking vs. Exception handling

  - by Aidas Bendoraitis

  When is exception handling more preferable than condition checking? There are many situations where I can choose using one or the other. For example, this is a summing function which uses a custom exception: # module mylibrary class WrongSummand(Exception): pass def sum_(a, b): """ returns the sum of two summands of the same type """ if type(a) != type(b): raise WrongSummand("given arguments are not of the same type") return a + b # module application using mylibrary from mylibrary import sum_, WrongSummand try: print sum_("A", 5) except WrongSummand: print "wrong arguments" And this is the same function, which avoids using exceptions # module mylibrary def sum_(a, b): """ returns the sum of two summands if they are both of the same type """ if type(a) == type(b): return a + b # module application using mylibrary from mylibrary import sum_ c = sum_("A", 5) if c is not None: print c else: print "wrong arguments" I think that using conditions is always more readable and manageable. Or am I wrong? What are the proper cases for defining APIs which raise exceptions and why?

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• django handling file uploads - target different than media folder

  - by Tom Tom

  Hi, I want to enable the user to upload media which will not be saved in the media folder. When I use the following line of code data will be uploaded to media/upload/logo . logo_img = models.FileField(upload_to='upload/logo', blank=True) I'm wondering how I can change this behaviour. I would try to write a custom FileField and a view that serves the data based on the database entries. I do not want to place the data the user uploads to the media folder, since it is no public data. Is this approach correct? Are there solutions out there which do exactly what I want and I would reinvent the wheel with implementing this by myself? Would appreciate any help!

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• How do I prevent an ASP.NET MVC deployment on IIS 6.0, using wildcard mapping, from attempting to ha

  - by Rob

  As noted by the title, what is the best way to configure an IIS 6.0 deployment of an ASP.NET MVC application such that connections to hidden shares are ignored? The application in question is using wildcard mapping to allow for clean URLs since we are planning on upgrading to IIS 7.0 in the near future and we are also handling the caching and compression issues with a custom library so we would like to avoid turning wildcard mapping off unless absolutely necessary. Below is a one of the errors from the application to give you an example of what we are seeing. -------------------------------------------------------------------------------- System.Web.HttpException -------------------------------------------------------------------------------- Time Stamp - 03 Mar 2010, 08:11:44 Path - N/A, Internal Server Operation Message - The controller for path '/C$' could not be found or it does not implement IController. Target Site - System.Web.Mvc.IController GetControllerInstance(System.Type) Stack Trace - at System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(Type controllerType) at System.Web.Mvc.DefaultControllerFactory.CreateController(RequestContext requestContext, String controllerName) at System.Web.Mvc.MvcHandler.ProcessRequest(HttpContextBase httpContext) at System.Web.Mvc.MvcHandler.ProcessRequest(HttpContext httpContext) at System.Web.Mvc.MvcHandler.System.Web.IHttpHandler.ProcessRequest(HttpContext httpContext) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) --------------------------------------------------------------------------------

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• flex List Size not updating when itemRenderer resizes itself

  - by duder

  I've got a list with a custom itemRenderer that's just a rectangle of specific size. The list <s:List id="thelist" width="100%" dataProvider="{thelistdata}" itemRenderer="ListItem" borderVisible="true" /> Note the list's border is visible to help with debugging The itemRenderer <s:Rect id="box" width="50" height="50"> <s:fill> <s:SolidColor color="blue"/> </s:fill> </s:Rect> When the itemRenderer receives an event, it changes its size to half box.width = 25; box.height = 25; I see the itemRenderers are resizing themselves correctly, but the list itself stays the same size and the border stays where it is. Anyone knows how to fix this bug. Basically the list should refresh its size too to fit the smaller boxes.

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• Creating a "netbeans property" style dialog box

  - by pikco

  Hi I've been trying to create a GUI using netbeans, that includes a dialog similar to Netbean's own "property dialog" that appears when designing. ie. a dialog that contains a table that can be expanded by tree nodes. Something like the dialog on this page, http://platform.netbeans.org/tutorials/nbm-property-editors.html As far as I can understand, the page I linked to describes a custom editor I can set up for use within netbeans while designing - I'm just looking for a way to doing something similar for my actual application I'm writing. Is there an easy way to do this? I came across this and have tried it but it doesn't quite work in the same way as the standard Netbeans dialog. weblogs.java.net/blog/timboudreau/archive/2008/06/egads_an_actual.html Any tips greatly appreciated.

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• iPhone: Save with validation on back navigation

  - by iPhone beginner

  In my iPhone application I have navigation controller, main screen and some edit screens. On edit screen user does some input that has to be validated before I can save it. Ideally I would like to update data automatically on back navigation without additional "Done" button. Can I do some validation and save on back navigation (i.e. when user taps on standard back button) in a way that allows my to stop navigation and show some error message if something is wrong? I see several other possibilities: Create my custom left button and make it looks like standard back. (Why Apple didn't put this button style into public API?) Add "Done" button and save data only if user taps it but both these choices I like much less. So if there is a way to achieve what I want, I'd like to use it.

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• VS2008: Disable asking whether to reload files changed outside the IDE

  - by SealedSun

  Hi, I have a Visual Studio 2008 project where some code files are generated with each build (a parser, integrated via MSBuild aka editing the *.csproj file). VS does not know about the generated nature of these files (i.e. they are not the result of a "Custom Tool). So they "change" with every build, naturally. And VS2008 asks me after every build if I would like to reload those files: This file has been modified outside the source Do you want to reload it? That would be ok if I had one of those files opened and in front of me, but I get these modal dialogs even with none of the code files opened. So my question is: Is there a way to disable this dialog, per project, per solution or globally? Thanks!

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• insertNewObjectForEntityForName:inManagedObjectContext: returning NSNumber bug?

  - by beinstein

  I'm relatively well versed in CoreData and have been using it for several years with little or no difficulty. For the life of me, I can't figure out why insertNewObjectForEntityForName:inManagedObjectContext: is all of a sudden returning some sort of strange instance of NSNumber. GDB says the returned object is of the correct custom subclass of NSManagedObject, but when I go to print a description of the NSManagedObject itself, I get the following error: *** -[NSCFNumber objectID]: unrecognized selector sent to instance 0x3f26f50 What's even stranger, is that I'm able to set some relationships and attributes using setValue:forKey: and all is good. But when I try to set one specific relationship, I get this error: *** -[NSCFNumber entity]: unrecognized selector sent to instance 0x3f26f50 I've tried everything from clean all targets, to restarting both mac and iPhone, even editing the model so that the relationship in question is to-one instead of to-many. No matter what I do, the same problem appears. Has anyone ever seen anything like this before?

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• Adding controls dynamically at design time vb.net

  - by chris

  I have been developing some custom smart tags. I am using a DesignerActionMethodItem which gets me to a fired method in code. When I try to hit the controls.Add the control is added but it seems the designer is unaware of it. It is never serialized and it goes away when the form is refreshed in the designer. Any help would be greatly appreciated. I am sort of stuck and google hasn't helped me. Please don't send me anything about smart tags that has nothing to do with adding controls dynamically at design time, I have already read so many looking for this.

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• How can I use the same buildscript for Flash Builder 4 and Ant/Mvn?

  - by David Laing

  I'm setting up a build system for a Flash Builder 4 (Flex 4) based project; and I'm struggling to get a setup that compiles in the IDE the same as it does from the command line on the build server. I come from a C# background; and my expectation is that I'll be able to create a "solution" with a collection of "projects" that I can compile from the IDE, or from the command line on the build server. The best I've managed sofar is 2 separate build "scripts", a custom ant script for the build server, and the default Flash Builder IDE config based on a workspace; but this is making my DRY daemons jump around in fury. Please can someone point me in the right direction :)

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• PyDev and Django: how to restart dev server?

  - by Rosarch

  I'm new to Django. I think I'm making a simple mistake. I launched the dev server with Pydev: RClick on project Django Custom command runserver The server came up, and everything was great. But now I'm trying to stop it, and can't figure out how. I stopped the process in the PyDev console, and closed Eclipse, but web pages are still being served from http://127.0.0.1:8000. I launched and quit the server from the command line normally: python manage.py runserver But the server is still up. What am I doing wrong here?

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• .NET Framework 4 RC on Windows server 2008 R2

  - by mare

  I've just installed .NET 4 on Windows SErver 2008 R2 x64 and I am getting 500 Internal Server Error with an ASP.NET MVC application which was previously running fine on 3.5. The application was upgraded from targeting 3.5 to target 4 and I personally built it today on my development machine (changed in VS - Properties to .NET Framework 4). On the server I installed .NET Framework 4 Client profile RC for x86 and x64 platforms and I created a new .NET 4 application pool in IIS and placed the web app in it. Also I have custom errors turned Off in web.config but even so no detailed error is displayed - just the plain IIS 7.5 500 Internal Server Error. Any suggestions?

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• jquery validation problems

  - by CoffeeCode

  to custom validate an input i wrote a script: function cardNumberCheck(value, element) { var res = false; $.get("/CaseHistories/ValidateCardNumber", { caseHistoryId: $('#CaseHistory_Id').val(), cardNumber: $('#CaseHistory_CardNumber').val() }, function(data) { res = data }); //alert(res) => works fine return true/false return res; } $.validator.addMethod("cardValidate", cardNumberCheck, "invalid"); if ($('#CaseHistory_CardNumber').is("form *")) { //<= check if elem is in a form $('#CaseHistory_CardNumber').rules("add", { required: true, cardValidate: true, messages: { required: "*", cardValidate: "invalid" } }); } EDIT: the required rule works fine, but my validation method doesn't dispalt the message. and the submit works even if the elements data havent passed the cardNumberCheck validation whats not right here?

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• Xcode: code loses syntax coloring

  - by ColorMeFamous

  I find that in various situations Objective-C code in Xcode 3.1 (Leopard) can fail to get appropriate syntax coloring after typing or lose coloring that it had. This isn't just a "refresh" issue with new custom symbols -- but affects Cocoa framework symbols as well. Sometimes CMD-a to select all text on the code page will make the coloring (re)appear, sometimes double-clicking on a line to select it will work, sometimes I have to add/delete a space in a symbol to get that symbol to (re)color. Rebuilding, or closing/reopening the project may or may not work. Is this a known issue with Xcode? For something so annoying to me, I'm not finding the plentiful discussions of it on SO and elsewhere I'd expect. And is there any command to force global syntax recoloring?

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• Using java.util.logging, is it possible to restart logs after a certain period of time?

  - by Fry

  I have some java code that will be running as an importer for data for a much larger project. The initial logging code was done with the java.util.logging classes, so I'd like to keep it if possible, but it seems to be a little inadequate now given he amount of data passing through the importer. Often times in the system, the importer will get data that the main system doesn't have information for or doesn't match the system's data so it is ignored but a message is written to the log about what information was dropped and why it wasn't imported. The problem is that this tends to grow in size very quickly, so we'd like to be able to start a fresh log daily or weekly. Does anybody have an idea if this can be done in the logging classes or would I have to switch to log4j or custom? Thanks for any help!

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• how to terminate cocoa app in applicationWillFinishLaunching delegate

  - by AmitSri

  I have to show the custom license Agreement dialog to the user before they start using my application.So, i have added new window in my mainMenu.xib and showing that window modally using [NSApp runModalForWindow:licenseWindow]; in applicationWillFinishLaunching: delegate by making my main window hidden using visible at Launch to unchecked. License window has two buttons Agree and Disagree. I need to show the mainwindow if user clicks on Agree button and terminate the app if they choose Disagree. I try to call [NSApp terminate]; in applicationWillFinishLaunching: but it didn't do anything. Please let me know how i can terminate the app in applicationWillFinishLaunching: Thanks

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• jQuery UI Multiple Dialogue's

  - by J Harley

  Hello, I have a table and for every row I would like to create a dialogue box and a link that can be clicked to launch that dialogue box. E.g. Name 1 (click to get more details). { these are the details for name 1} Name 2 (click to get more details). { these are the details for name 2} So I would need a dialogue function that I can pass a custom title and body to... And then call that on the click of a link Click here to launch dialogue I hope I have made myself clear. Many Thanks, JPH

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• Finding an open and closing tag in Regexp

  - by Rixius

  Is there a way to find custom tags in regexp I.e. match {a}sometext{/a} As well as {c=#fff}sometext{/c} So that it finds the entire block of inner content? The problem is the sometext could have another tag as in: {a=http://www.google.com}{b}Hello, world{/b}{/a} The only solutions I can come up with would match from {a... to .../b} when I want {a... to .../a} is there a single regexp solution, or would it be best to match the start, and then use another method to find the end from the back up, and grab it out that way? I'm using PHP 5.2 so I have all the options that entails.

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• Meta Tags in Google Site Search

  - by ullmark

  Hi, I'm planning on implementing a google site search (and paying for it so I can get access to the XML). One thing I am wondering about is the possibility to use custom meta tags in it. I've heard yes from colleagues but nothing confirmed. Searching for an answer has given nothing (maybe because you cant?) Anybody knows? Edit: I want to be able to retrieve those meta tags from the search result to be able to provide different styling for different types of pages.

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• Configuring IoC container from modules/plug-ins ?

  - by rouen

  Hi guys, i am in big dilema.. I am working on highly modular web app in ASP.NET MVC 2 (in fact, core will be super lightweight, all work on modules/plugins). I found MEF pretty useful for modules discovery, but i dont want to us it as IoC container. There is pretty good chance that I will need advanced features of "true" IoC container, so I would like to use Unity. And here is the problem : how to allow modules to configure container (programatically) = register their own types (mvc controllers, custom implementations of services...) at application start without making hard dependency on Unity in all modules ? I know about Common Service Locator project, and it seems pretty good, but this interface co container only allows resolving types, not registering them (afaik). I really hope you can understand my point, I know my english is terrible (I am from non english speaking country :) Thanks a lot !

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