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• Does string concatenation use StringBuilder internally?

  - by JamesBrownIsDead

  Three of my coworkers just told me that there's no reason to use a StringBuilder in place of concatenation using the + operator. In other words, this is fine to do with a bunch of strings: myString1 + myString2 + myString3 + myString4 + mySt... The rationale that they used was that since .NET 2, the C# compiler will build the same IL if you use the + operator as if you used a StringBuilder. This is news to me. Are they correct?

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• Firebug's "net" tab is not showing anything?

  - by Jian Lin

  I usually run Fiddler for net traffic monitoring and now am using a Mac machine. I thought Firebug's net tab can show the traffic that is fetched through AJAX (the net tab is enabled). But if I try google.com, and type in something, its "google suggest" will show a bunch of suggestions, but the Firebug's "net" tab is not showing anything?

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• Generic CSS templates anywhere (not layout)?

  - by TruMan1

  I am looking for a place where I can download a bunch of CSS stylesheets to change the appearance of my titles, links, paragraphs, etc. I am not an artist, so I am hoping to leverage other people's skills in choosing the right fonts, colors, sizes, etc. I do not want to include layout because then it won't be as generic. Does anyone know where I can get something like this?

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• How to insert hyperlink into access database via sql?

  - by CSharperWithJava

  I have a fairly simple MS Access Database that contains some metadata about a bunch of documents and a hyperlink field that links to the document on our network drive. However, when I use a SQL INSERT statement to populate the hyperlink field, the value I give it only becomes the display text, not the actual link. How can I make the value a functional hyperlink? I'd think that the hyperlink data type would actually create hyperlinks. I'm using Access 2002 SP3.

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• Why should I not use an ASP.NET datagrid control in MVC

  - by No Soup for YOU

  I don't want to make this into a "which is better... MVC or WebForms" type of question. Im sure that has been asked a bunch of times here already. My Question: If I am building a MVC web project, why should I not use an ASP.NET datagrid control on one of my "Views" .aspx pages?

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• Is there an automatic way to generate a rollback script when inserting data with LINQ2SQL?

  - by Jedidja

  Let's assume we have a bunch of LINQ2SQL InsertOnSubmit statements against a given DataContext. If the SubmitChanges call is successful, is there any way to automatically generate a list of SQL commands (or even LINQ2SQL statements) that would automatically undo everything that was submitted? It's like executing a rollback even though everything worked as expected. Note: The destination database will either be Oracle or SQL Server, so if there is specific functionality for both databases that will achieve this, I'm happy to use that as well.

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• Static field in class - Is it a re-instantiated for each static method call?

  - by Jamie Dixon

  If I have a static class with a static field such as: private static myField = new myObject(); I then have a bunch of static methods that use myField. Is myField re-instantiated for each method call? My guess is that it's instantiated the first time a method is called that uses it and it remains in memory until the GC clears it up? Cheers for any pointers :-)

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• Do Response.Redirect As A HTTP Post

  - by Lennie De Villiers

  Hi, I know that you can do a GET with Response.Redirect where you build the query string up but how can I do a post? I got a bunch of values in a list that I want to post using Response.Redirect to another page e.g. POST from one page to another.

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• jQuery is not defined on my staging server but works fine on my local

  - by Tony

  If you pop open this page with your javascript console, you'll notice a bunch of JS errors. I don't get these errors in my local environment and it seems like it is happening because $ is not defined. I have tried to mimic my local environment exactly on staging by using the same environment.rb file and removing all JS caching but it is making no difference. Can anyone tell why jQuery is crapping out? It might be something really stupid, but I need a second pair of eyes.

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• app.config files of referenced dlls

  - by ban-dana

  I have a Web Project (VS 2008) that references a bunch of DLLs. The DLLs are built separately, so the project references binaries and not DLL projects. Some of the DLLs have their own app.config, which I want to be copied autmatically to the web project's output directory. Is there any suitable generic way to achieve this?

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• Thread Management Object

  - by Gusdor

  I feel rather foolish as this is just a short question. I was reading about a bunch of thread management helper classes in .net, specifically one that aids the storage of threads to help a service manager object automatically invoke delegates onto the subscribing thread. I'm pretty sure it had something to do with creating dispatchers. Totally forgotten the name, can't find it :( Anyone know what I'm talking about?

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• C++ DLL-Linking UnResolved Externals

  - by Undawned

  I have a rather big Core project that I'm working with, I'm attempting to adapt it to use a DLL Engine I've built, I'm getting a bunch of errors like: unresolved external symbol "private: static class When including some of the headers from the Core in the DLL, the class is exported via __declspec(dllexport) but any header with static members throws out a crapload of errors regarding the static members. This is a rather big project, I can't exactly run around removing every static class member I see, is there anyway around this kind of thing?

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• Can I integrate many sources into one RSS reader?

  - by BenAlabaster

  I'm looking to integrate a bunch of RSS/ATOM sources into a feed for our intranet. This is outside my usual realm of work so I've had very limited exposure to this. I'd like to integrate all the feeds into a single reader such that all the news items are in chronological release order. Is this doable? Do I need a special component? Or can I make the ASP.NET integrated components do all this simply enough?

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• Can multiple HTML elements receive focus at the same time?

  - by Olaseni

  I'm a coding a JavaScript reporting component, that requires multiple LI's i.e. lists to be selected collectively as a bunch with visual feedback. I'm thinking of adapting the onfocus event. Is it possible for multiple HTML elements to receive focus at the same time?

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• "Start" command in batch script

  - by Stan

  When using start /max program_name to start a bunch programs, how to focus on each program when it opens. For now, it open focus on the first program, and launch others on the back. thanks.

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• How do I start another application (downloaded or preinstalled) from an activity?

  - by Jon

  Basically, I want to get a list of all installed apps and pick one to run from an activity. I've tried ACTION_PICK with Intents but that seems to leave out apps that were downloaded and it has a bunch of junk in it. Thanks

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• XS:Group causes Schema to fail validation

  - by paulwhit

  I have an XML document based on a Schema that uses the xs:group element to bunch elements together. The result is an entity where name, address and phone number are defined in a group. This fails Schema validation in MS (Visual Studio) as well as XERCES (oXygen XML editor) Is there a workaround?

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• Is it possible to make visual studio treat .htm files like .aspx files? i.e. parse and complie them

  - by Jason Hernandez

  I've inherited a bunch of code that has server script inside of .htm files. On IIS, a handler mapping pumps.Htm pages though the asp.net engine. Unfortunately, visual studio doesn't notice that they should be treated as code. Is there any way to make VS treat .Htm files as code/aspx files?

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• How much does Javascript garbage collection affect performance?

  - by Long Ouyang

  I'm writing a bunch of scripts that present images serially (e.g. 1 per second) and require the user to make either a keyboard or mouse response. I'm using closures to handle the timing of image presentation and user input. This causes garbage collection to happen pretty frequently and I'm wondering if that will affect the performance (viz. timing of image presentation).

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• How to convert string into datetime

  - by jstawski

  Hello fellow stackoverflowers, quick question. I'm using C# 3.5 and I have a date that comes in as string in the following format: Tue Jan 20 20:47:43 GMT 2009 First question, what is the name of that format? Second question, what's the easiest and clearest way to convert this string into a datetime? I would love to be able to use a .net API/Helper method if possible. Thanks a bunch...

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• File encyption with Python

  - by Pinkie

  Is there a way to encrypt files (.zip, .doc, .exe, ... any type of file) with Python? I've looked at a bunch of crypto libraries for Python including pycrypto and ezpycrypto but as far as I see they only offer string encryption.

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• Method For Making Methods: Easy Ruby Metaprogramming

  - by yar

  I have a bunch of methods like this in view helper def background "#e9eaec" end def footer_link_color "#836448" end I'd like these methods exposed to the view, but I'd prefer the helper to be a bit more concise. What's the best way to turn a hash, say, into methods (or something else)?

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• Customize a custom menu in Visual Studio 2008

  - by Shaihi

  I recently installed Platform builder 7 by Microsoft. It is a plug-in for VS2008. The plug-in adds the following menu: I want to remove several items from this menu and I would also like to add some button from it to a toolbar. The problem is that when I do customize I only get "advanced command placeholder" shortcut for the whole bunch. Like this: How do I access the internals of these commands menu?

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• Problems with character encoding in ASP.NET MVC

  - by George

  Hello experts! I'm having a weird issue here. I have a bunch of Views, in which I have characters like this: é, á, ó, etc. In one of my Views, I can fetch data from the database with accents just fine, but in another one I simply get the "weird" characters. What can i be doing wrong? Do I need to configure something in order to this work? Thanks!

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• How do I load all my location based content into google maps

  - by user333639

  I am writing an iPad application that uses the MapKit control. How do I get all my content into Google Maps. i.e. I have a bunch of locations along with photos, video, audio and various other information. So when the iPad user loads my App and zooms into a certain place in the world I want my Annotations to be visible and when they touch the pins they get access to more information etc.

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