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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly

... I had the same problem and solved it by running the following command: sudo /Library/StartupItems/VirtualBox/VirtualBox restart In later versions, the command is sudo /Library/Application\ Support/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh ...
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What is the Java equivalent for LINQ? [closed]

...what makes LINQ sooo nice is how deeply it is integrated into the language and compiler – AgileJon Aug 1 '09 at 18:59 11 ...
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Any reason not to start using the HTML 5 doctype? [closed]

...is: When serving as text/html, all you need a doctype for is to trigger standards mode. Beyond that, the doctype does nothing as far as browsers are concerned. When serving as text/html, whether you use XHTML markup or HTML markup, it's treated by browsers as HTML. So, really it comes down to usi...
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Adding rounded corner and drop shadow to UICollectionViewCell

... to add it in UICollectionViewCell . I subclassed UICollectionViewCell , and here is my code where I add various UI elements to the cell's content view and adding shadow to the layer: ...
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Why does GitHub recommend HTTPS over SSH?

... HTTPS because it is the easiest to set up on the widest range of networks and platforms, and by users who are new to all this. There is no inherent flaw in SSH (if there was they would disable it) -- in the links below, you will see that they still provide details about SSH connections too: HTTP...
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What is the difference between a reference type and value type in c#?

Some guy asked me this question couple of months ago and I couldn't explain it in detail. What is the difference between a reference type and a value type in C#? ...
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Is there a /dev/null on Windows?

... I think you want NUL, at least within a command prompt or batch files. For example: type c:\autoexec.bat > NUL doesn't create a file. (I believe the same is true if you try to create a file programmatically, but I haven't tried it.) In PowerShell, you want $nu...
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When is a language considered a scripting language? [closed]

... Bytecode and type systems don't really have anything to do with it. By the above definition, if an app exposes an API to Python, it is said to use Python as its scripting language. If you build an app entirely in Python, that app us...
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What are the differences between local branch, local tracking branch, remote branch and remote track

I just started using Git and I got really confused between different branches. Can anyone help me to figure out what the following branch types are? ...
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Windows 7 SDK installation failure

...em to be completely unable to install the Windows 7 SDK onto my machine, and the only solution I've found on the web is to make a swathe of registry changes. I've done this - still no success. ...