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• Most interseting feature in C language

  - by Renjith G

  hi, Can anybody explain me the most interesting feature of C language apart from other languages. Am expecting some nice replies , so that every one can brush up their own programming skills /Kanu__

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• Removing quotation marks in JSONObject

  - by Spike Williams

  I'm using the net.sf.json.JSONObject to create some data to be sent to a front end application, and I don't like the ways ts adding quotation marks to every field name. For example: myString = new JSONObject().put("JSON", "Hello, World!").toString(); produces the string {"JSON": "Hello, World"}. What I want it to return is {JSON: "Hello, World"} - without quotes around "JSON". What do I have to do to make that happen?

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• Validate number of nested attributes

  - by Damien MATHIEU

  Hello, I have a model with nested attributes : class Foo < ActiveRecord::Base has_many :bar accepts_nested_attributes_for :bar end It works fine. However I'd want to be sure that for every Foo, I have at least two Bar. I can't access the bar_attributes in my validations so it seems I can't validate it. Is there any clean way to do so ?

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• How do you replace content without losing focus?

  - by Ryan

  For example: <input type="text" name="test" onChange="document.formname.test.value=.document.formname.test.value.replace('something','something else')" /> The replace function works but it loses focus on every change How do you make it not lose focus? What I'm trying to do is make it so that certain text is immediately replaced with new text when its typed but you can continue typing

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• Windows user control hosted in IE is not working.

  - by kumar

  Hi i have hosted a windows user control in IE. Every thing is working fine, if i open the application in the same machine where the Web application is hoste. if i access the same appication from a remote client IE, A blank box is coming with a small image in the corner. I have added the site as trusted site in the IE and made all the security settings needed. let me know, what am i doing wrong. Thanking you.

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• Site monitoring tool to look for javascript errors

  - by Agile Noob

  I am currently working on a site that includes javascript code that we get from several different sources and need to run on the site I maintain. Every once and a while some of this code breaks without our knowing until its too late. Is there a monitoring tool that will crawl our site and look for javascript errors and report them or could this be incorporated into a selenium test somehow?

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• How many registers in custom VM?

  - by DeadMG

  I'm designing a custom VM and am curious about how many registers I should use. Initially, I had 255, but I'm a little concerned about backing 255 pointers (a whole KB) on to the stack or heap every time I call a function, when most of them won't even be used. How many registers should I use?

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• Perform selector on paren NSOperation

  - by user326943

  I extend NSOperation (call it A) which contains NSOperationQueue for other NSOperations (which is another extended class different from A, call these operations B). When operation A is running (executing B operations) how do i call a specific function/method on operation A when certain event takes place on B operations? For example every operation B that finishes it calls a function on operation A returning itself? *Nested NSOperation and NSOperationQueue(s) Thanks

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• Is the ASP.NET web.config file getting out of hand?

  - by James Westgate

  Heres something I've been pondering for a while ... Do you struggle with the size and the number of entries in the web.config file? Do you understand every element? Is it time for Microsoft to relook at how an ASP.NET site is configured, perhaps by splitting the web.config file into multiple files?

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• Blackberry with Eclipse - How can I get rid of multiple Debug Servers?

  - by chrisdew

  Each time I choose 'run' it creates a DebugServer (in the debug view). Almost all the context menu options are disabled, including 'Terminate' option. Is there a way to get rid of these without restarting Eclipse (every dozen runs or so)? Thanks, Chris.

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• Android Layouts Scrolling in Landscaped Mode

  - by y ramesh rao

  I have a strange issue in which on rotating the Screen to Landscaped mode the Views present inside Remain at the same place But I cannot scroll them inside the screen. How can I make them Scroll so that every thing that move out should be displayed properly to the user. Should there be any more attribute to be set for allowing such kind of behavior.

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• Best way: to implement an interrupt/cancel feature for all your threaded workers.

  - by Lukas Šalkauskas

  Hello there, So my question is how to implement cancel/interrupt feature into all (I mean ALL) thread workers in your application in best and most elegant way? It's not important if it's an HttpWebRequest, IO operation or calculation. User should have an possibility to cancel every action/thread at any moment.

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• Globally specifying username for all Mercurial repositories?

  - by Geo

  Is there any way of having mercurial automatically create hgrc, so that I don't have to create it every time I create a repository? I'd like hgrc to at least contain the following: [ui] username = geo Can this be done?

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• Why SVN makes read-only my files after check out or update?

  - by eKek0

  Working with an standard configuration of the server, without any lock, my files are read-only after every check out or update to the working copy. I have to set them to be not read-only to continue working, but besides this shouldn't be happening, it's uncomfortable. Anybody knows how to avoid this behavior?

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• How to use shared array between function calls in objective C

  - by Rambo

  I have one array. I want that array to retain its value between function calls of from single class function. I have function that is called every time page is loaded. This function displays all the data stored in array right from application launches. Thanks in advance.

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• What causes MSSQL to return the message 'The statement has been terminated'?

  - by Wally Lawless

  I have a very simple INSERT statement being executed from a PHP script running on a Linux Apache web server. I can run the query fine from within SQL Management Studio and it normally runs fine from PHP as well. However, every once in awhile I get an error message from my PHP script that the query failed and the mssql_get_last_message() function returns 'The statement has been terminated'. What sources can cause this message to be returned from MSSQL?

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• Is there any way to identify a unique user in Flash/Actionscript 3?

  - by VGambit

  I'm trying to make a vote/poll application in Flash using Actionscript 3. Is there any way to generate a specific ID that is unique to each user? The only other option I can think of is using the IP address, which is less than ideal in many cases (college campuses, shared Internet access, etc.). It needs to be the same number every time it is run on the same PC, but different for each user.

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• Invisible class from WebService in application

  - by phenevo

  I've got webservice which has multiple classess My winforms application see theirs, but not everyone. This application has webreference to this webservice. I think that this application see every class which is used in WebMethod, but I using parent class in WebMethod and I wanna casting it to another class,which is not used at webmethod.

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• django forms overwrite data when saved

  - by dana

  If a have a form, with the data from a user, let's say a CV, and i save the data from the form into a database, but i don't want that a CV from the same user to be stored in the database more than once(when edited form instance) I want it to be overwritten every time it is saved by one same user. How can i do it? thanks a lot

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• What is the logic of Lightbox 2 on where to position the popup?

  - by oo

  What is the logic of Lightbox 2 on where to position the popup? It seems that when using Firefox or Chrome it shows up in different places on different pages. Is there any setting to have it show at the same height on every page for consistency? What is the CSS or logic it's using to determine positioning?

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• MongoDB lists with paginations?

  - by Timmy

  for documents with lists with pagination, is it better to embed or use reference? im reading the custom type "SONManipulator" and it appears to transform every thing on retrieval, even the sub docs. i want to keep the list in the document sorted, should this impact anything?

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• how to organize all JQuery scripts

  - by Abu Hamzah

  i am using half dozen jquery plugins and plus my own jquery scripts and in every script i have this code: $(document).ready(function() { .... } what is the best way of organizing all the scripts in one centeralized location and instead of having multiple times $(document).ready(function() everywhere in the script. thoughts?

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• What is the most Interesting and innovative IDE?

  - by Branislav Abadjimarinov

  As every programmer knows tools are important and there is no tool more important for a developer than the IDE you use to code. In the last few years the IDE-s fall into standards and it is not common to see innovation in this area. What IDE-s you can recommend as innovative and what new ideas and paradigms they introduced?

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• Request a Windows Phone 7.5 Location

  - by Christopher Cabezudo Rodriguez

  I am trying to track 5 windows phone 7.5 for a experiment and I have try using an app (that I am developing for that experiment) but the app must be active and that's not possible for all readings, I was looking online and I find something similar that Microsoft has done with the find my phone service, https://www.windowsphone.com/en-US/find Anyone knows how can i call that service outside the website or any other way to accomplish this task i need GEO position every 15 min

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• Is EndInvoke() optional, sort-of optional, or definitely not optional?

  - by endian

  I've read conflicting opinions as to whether every BeginInvoke() has to be matched by an EndInvoke(). Are there any leaks or other problems associated with NOT calling EndInvoke()?

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