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Controlling fps with requestAnimationFrame?

It seems like requestAnimationFrame is the de facto way to animate things now. It worked pretty well for me for the most part, but right now I'm trying to do some canvas animations and I was wondering: Is there any way to make sure it runs at a certain fps? I understand that the purpose of rAF is ...
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PowerShell says “execution of scripts is disabled on this system.”

I am trying to run a cmd file that calls a PowerShell script from cmd.exe , but I am getting this error: 32 Answers ...
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How to work with Git branches and Rails migrations

...th quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch. ...
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Callback functions in C++

...Note: Most of the answers cover function pointers which is one possibility to achieve "callback" logic in C++, but as of today not the most favourable one I think. What are callbacks(?) and why to use them(!) A callback is a callable (see further down) accepted by a class or function, used to cust...
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Change SQLite database mode to read-write

How can I change an SQLite database from read-only to read-write? 14 Answers 14 ...
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Why should the copy constructor accept its parameter by reference in C++?

Why must a copy constructor's parameter be passed by reference? 8 Answers 8 ...
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Android error: Failed to install *.apk on device *: timeout

I'm getting this error from time to time and don't know what causing this: When trying to run/debug an Android app on a real device (Galaxy Samsung S in my case) I'm getting the following error in the Console: ...
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How to validate phone numbers using regex

I'm trying to put together a comprehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US formats, including the following: ...
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Why are only a few video games written in Java? [closed]

...he game development world is a funny one: On one hand, they're often quick to accept new ideas, on the other hand, they're still in the stone age. The truth is, there's rarely that much incentive in switching to .NET/Java/anything other than C/C++. Most game companies license parts of the game en...
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How to change UIPickerView height

Is it possible to change the height of UIPickerView? Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. ...