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• Why -use-network=false

  - by dejaninic

  Hi guys. Dose anyone knows why I have to use -use-network=false in my Flex Builder?!?!?! This is set inside the Project Properties and is Additional compiler argument. This is only when I want to read in a external file like XML. Others in my team doesn't have to have -use-network=false ????

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• in jQuery, why are we using this ({ })

  - by uzay95

  I wonder that, why are we using ({ }) ? Is it delegate ? What does it mean to use this syntax ? What are we wrapping with it ? For ex: $.ajaxSetup ({ // <-- THIS error: fError, compelete: fComp, success: fSucc }); // <-- AND THIS

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• Why aren't EXE's in binary?

  - by user146780

  Why is it that if you open up an EXE in a hex editor, you will see all sorts of things. If computers only understand binary then shouldn't there only be 2 possible symbols seen in the file? Thanks

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• Why does this code sometimes throw a NullPointerException?

  - by Tiberiu Hajas

  Consider the following Java source: if( agents != null ) { for( Iterator iter = agents.keySet().iterator(); iter.hasNext(); ) { // Code that uses iter.next() ... // } } The agents is a HashMap. Why does the for statement sometimes throw a NullPointerException? Thank you.

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• Why dll can't be used in c++?

  - by Mask

  It's pointed out by this answer: http://stackoverflow.com/questions/2532280/failed-to-link-mysql5-1-39-bin-libmysql-dll-in-a-c-project/2532382#2532382 But I don't understand why,.dll is essentially the same as .lib except for there is only one copy of it used by different processes. Does it have anything to do with the IDE?I'm using visual c++ 2008 express

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• why tempspace results here??

  - by SubPortal

  if we supposed that "A.B." is a value for an xml element called given-names the following code converts this value to "A.tempspacetempspaceB." instead of "A. B." foreach (XElement initial in doc.XPathSelectElements("//given-names")) { string v = initial.Value.Replace(".", ". ").TrimEnd(' '); initial.SetValue(v); } So why tempspace comes here instead of literal space?? thank you for any help.

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• Can Events be declared as Static, if yes how and why

  - by sameer

  Hi All, I want to know can we declare the events as static if yes why and application of such declaration. Sample please as seeing is believing

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• Why develop for people who disable/impair Javascript?

  - by Nissan Fan

  Can someone please enlighten me as to why it makes sense to develop websites that work without Javascript enabled? This is 2010 and besides some mobile browsers on antique phones and a few paranoids who limit Javascript I cannot think of a good reason to spend energy on this.

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• Why the generated key size is not constant?

  - by Tom Brito

  The following code prints randomly 634, 635, 636, each time I run it. Why its not constant? public static void main(String[] args) throws Exception { KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA", "BC"); keyPairGen.initialize(1024); RsaKeyPair keyPair = new RsaKeyPair(keyPairGen.generateKeyPair()); System.out.println(keyPair.getPrivate().getEncoded().length); }

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• why is apache not clearing the semaphores?[Reasons]

  - by mike

  Could some shed some light on why apache semaphore are left over? Might be bcoz of Buggy php module/Defective RAM? Thanks.

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• Why is $b "b" in this logic when echoing out ${$b}

  - by user275074

  I'd have expected ${$b} to be 'a' but it is 'b', why is this the case? $a = "b"; $b = "a"; Sorry again I forgot to put ${$b} produces "b"

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• Why to use static method with Json ?

  - by Zerotoinfinite

  Hi Experts, I am clueless to find out why should we use static method with JSON. Is it possible that I click a button and I load a gridview with JSON ?? Thanks in advance

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• Why is Private Accessor deprecated?

  - by user3918598

  It used to be the number one reason for us to choose MSTest from others that we could access and test private methods. Now that Private accessors are deprecated in Visual Studio 2012. Does anyone know why Microsoft make such decision? Is it because it's not a good practice to test private methods? Also, if I still need to unit test my private methods, how could I do that in VS 2012 and later versions?

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• why are results for webclient.downloadstring truncated?

  - by every_answer_gets_a_point

  string html; html = new WebClient().DownloadString(some_url_string); Why does it truncate html to about 28.000 characters?

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• Why is there no middleware in Erlang?

  - by Zubair

  I asked a question earlier about ESBs written in Erlang or Java, and there didn't seem to be anything in Erlang, and only products in Java. http://stackoverflow.com/questions/2453641/what-would-be-the-best-language-in-which-to-write-an-esb/2453683#2453683 I guess I find it difficult to understand why a language like Erlang has no such middleware products, especially seeing as it should be ideally suited to the job.

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• Why save output until the end?

  - by user509006

  Very quick question about programming practices here: I've always used echo() to output HTML code to the user as soon as it was generated, and used ob_start() at the same time to be able to output headers later in the code. Recently, I was made aware that this is bad programming practice and I should be saving HTML output until the end. Is there a reason for this? What is it, and why isn't output buffering a good alternative? Thanks!

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• Why abstract classes necessary?

  - by bala3569

  1.What is the point of creating a class that can't be instantiated? Most commonly to serve as a base-class or interface (some languages have a separate interface construct, some don't) - it doesn't know the implementation (that is to be provided by the subclasses / implementing classes) 2.Why would anybody want such a class? For abstraction and re-use 3.What is the situation in which abstract classes become NECESSARY?can anyone brief it with an example?

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• Why are these methods public?

  - by Blankman

  My javascript looks like the following. I don't understand why these methods are all public though? Something.RegisterNamespace("One.ABC"); (function(ABC) { ABC.SayHello = function() { alert('hello'); }; })(One.ABC); So now I can do: One.ABC.SayHello();

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• Why doesn't Microsoft.SqlServer.Smo appear in the Add References dialog

  - by Sisiutl

  I have used Microsoft.SqlServer.Smo.dll and Microsoft.SqlServer.ConnectionInfo.dll in a number of VS2008 projects but they don't appear in the VS2010 Add Reference dialog. Why did they disappear and how can I add them to my VS2010 project?

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• Why won't my PHP script work?

  - by sadicool

  I have a script that reports the following error: Warning: mysql_connect() [function.mysql-connect]: Access denied for user 'admin'@'localhost' (using password: YES) in C:\wamp\www\bits\includes\connect.inc.php on line 10 Notice: Undefined variable: l_error in C:\wamp\www\bits\includes\connect.inc.php on line 12 Notice: Undefined variable: l_cannotconnecttodatabase in C:\wamp\www\bits\includes\connect.inc.php on line 12 Why would this be?

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• C++ Why isn't call by reference needed for strcpy()

  - by Ribbs

  I have a homework assignment with a number of questions. One is asking why the strcpy() function doesn't need the call by reference operator for CStrings. I've looked through the book numerous times and I can't, for the life of me, find the answer. Can anyone help explain this to me? It is an array of sorts so I would think you would need the call by reference.

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• Why is CompareAndSwap instruction considered expensive?

  - by eyalw

  Why is CompareAndSwap instruction considered expensive? I read in a book: "Memory barriers are expensive, about as expensive as an atomic compareAndSet() instruction." Thanks!

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• Why do we need break after case statements?

  - by kunjaan

  Why doesn't the compiler automatically put break statements after each code block in the switch? Is it for historical reasons? When would you want multiple code blocks to execute?

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• why java Object class is not abstract ?

  - by JavaUser

  Hi, Why java's Object class is not an abstract class . Is there any specific reason ? Thx.

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• Why isn't there a regular expression standard?

  - by weiy

  I know there is the perl regex that is sort of a minor de facto standard, but why hasn't anyone come up with a universal set of standard symbols, syntax and behaviors?

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