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How do I byte-compile everything in my .emacs.d directory?

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Fast way of counting non-zero bits in positive integer

... into 64 1-bit buckets. Each bucket's value is equal to the number of bits set in the bucket (0 if no bits are set and 1 if one bit is set). The first transformation results in an analogous state, but with 32 buckets each 2-bit long. This is achieved by appropriately shifting the buckets and adding ...
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Python try…except comma vs 'as' in except

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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?

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MySQL DISTINCT on a GROUP_CONCAT()

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Method to Add new or update existing item in Dictionary

...<> vs. Hashtable: When you start Reflector, you see that the indexer setters of both classes call this.Insert(key, value, add: false); and the add parameter is responsible for throwing an exception, when inserting a duplicate key. So the behavior is the same for both classes. ...
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Change File Extension Using C#

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Is it possible to execute code once before all tests run?

...e before all unit tests in an assembly executes: [TestClass] public class SetupAssemblyInitializer { [AssemblyInitialize] public static void AssemblyInit(TestContext context) { // Initalization code goes here } } If you have more than one unit test assembly, I'm not aware ...
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What's the difference between the atomic and nonatomic attributes?

...ic vs. non-atomic changes the generated code. If you are writing your own setter/getters, atomic/nonatomic/retain/assign/copy are merely advisory. (Note: @synthesize is now the default behavior in recent versions of LLVM. There is also no need to declare instance variables; they will be synthes...
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pass **kwargs argument to another function with **kwargs

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