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What's the need of array with zero elements?

... This is a way to have variable sizes of data, without having to call malloc (kmalloc in this case) twice. You would use it like this: struct bts_action *var = kmalloc(sizeof(*var) + extra, GFP_KERNEL); This used to be not standard and was considered a hack (as Aniket said), but it was s...
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Is the LIKE operator case-sensitive with MSSQL Server?

...r that is case sensitive, it is the column itself. When a SQL Server installation is performed a default collation is chosen to the instance. Unless explicitly mentioned otherwise (check the collate clause bellow) when a new database is created it inherits the collation from the instance and when ...
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Modifying the “Path to executable” of a windows service

... answered Jul 22 '14 at 0:33 Niall ConnaughtonNiall Connaughton 13.5k1010 gold badges4848 silver badges4646 bronze badges ...
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Python, Unicode, and the Windows console

...at's the best way around this? Is there any way I can make Python automatically print a ? instead of failing in this situation? ...
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Pick a random element from an array

... Int? Also, why doesn't Swift offer an Int alternative to this function or allow a user to specify what type of integer they would like returned? – Austin A Sep 27 '14 at 21:10 ...
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Can Selenium Webdriver open browser windows silently in background?

...um RC? You can 'supposedly', pass in some parameters into Chrome, specifically: --no-startup-window Note that for some browsers, especially IE, it will hurt your tests to not have it run in focus. You can also hack about a bit with AutoIT, to hide the window once it's opened. ...
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Read-only and non-computed variable properties in Swift

...g in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way. ...
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Openssl is not recognized as an internal or external command

... Well at the place of openssl ... you have to put actually the path to your openssl folder that you have downloaded. Your actual command should look like: keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | "C:\Users\abc\openssl\bin\openssl.exe" sha1...
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Can I install Python windows packages into virtualenvs?

Virtualenv is great: it lets me keep a number of distinct Python installations so that different projects' dependencies aren't all thrown together into a common pile. ...
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Understanding repr( ) function in Python

...gt;>> x 'foo' So the name x is attached to 'foo' string. When you call for example repr(x) the interpreter puts 'foo' instead of x and then calls repr('foo'). >>> repr(x) "'foo'" >>> x.__repr__() "'foo'" repr actually calls a magic method __repr__ of x, which gives the s...