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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?

...r first one working: From MSDN: In string concatenation operations,the C# compiler treats a null string the same as an empty string, but it does not convert the value of the original null string. More information on the + binary operator: The binary + operator performs string concatenation when o...
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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT

...ually the default, it's only the default for new data. From msdn.microsoft.com/en-us/library/ms190273.aspx: "If not specified, WITH CHECK is assumed for new constraints, and WITH NOCHECK is assumed for re-enabled constraints." – Zain Rizvi Dec 31 '13 at 21:00 ...
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Call An Asynchronous Javascript Function Synchronously

... community wiki 5 revs, 2 users 97%user1106925 ...
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ASP.NET_SessionId + OWIN Cookies do not send to browser

...tes). I have reported the issue to katanaproject... katanaproject.codeplex.com/workitem/197, so maybe someone will comment there. – Tomas Dolezal Jan 20 '14 at 14:41 11 ...
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How do I declare a namespace in JavaScript?

... I made an open source project JUST to address this design problem: github.com/mckoss/namespace. – mckoss Mar 18 '11 at 22:32 ...
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What is the difference between the | and || or operators?

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What is the difference between window, screen, and document in Javascript?

... The comment from @Mandy confuses window with viewport. A window is the JavaScript object for the browser tab or <iframe> (or deprecated <frame>). The viewport is the rectangle of the rendered document seen within the ...
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Android Writing Logs to text File

... I would recommend restructuring the code so that buf.close() is inside a finally block. – William Price Sep 24 '14 at 5:57 ...
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Can someone explain how to implement the jQuery File Upload plugin?

...d came across a good tutorial on tutorialzine. Here is an working example. Complete tutorial can be found here. Simple form to hold the file upload dialogue: <form id="upload" method="post" action="upload.php" enctype="multipart/form-data"> <input type="file" name="uploadctl" multiple /...
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Is there any particular difference between intval and casting to int - `(int) X`?

... (int) is faster than intval(), according to wiki.phpbb.com/Best_Practices:PHP – Martin Thoma Sep 1 '11 at 11:33 ...