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What integer hash function are good that accepts an integer hash key?

... a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly. Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisibl...
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Example: Communication between Activity and Service using Messaging

I couldn't find any examples of how to send messages between an activity and a service, and I have spent far too many hours figuring this out. Here is an example project for others to reference. ...
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Get property value from string using reflection

...Name).GetValue(src, null); } Of course, you will want to add validation and whatnot, but that is the gist of it. share | improve this answer | follow | ...
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How to import local packages without gopath

...oject cannot be in $GOPATH. Edit 2: The vendoring method is still valid and works without issue. vendor is largely a manual process, because of this dep and vgo were created. Edit 1: While my old way works it's not longer the "correct" way to do it. You should be using vendor capabilities, vgo...
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Serialize Class containing Dictionary member

Expanding upon my earlier problem , I've decided to (de)serialize my config file class which worked great. 10 Answers ...
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C++: const reference, before vs after type-specifier

...le, which is redundant; when dealing with const pointers both Fred const* and Fred* const are valid but different. It's a matter of style, but I prefer using const as a suffix since it can be applied consistently including const member functions. ...
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get list of pandas dataframe columns based on data type

... As of pandas v0.14.1, you can utilize select_dtypes() to select columns by dtype In [2]: df = pd.DataFrame({'NAME': list('abcdef'), 'On_Time': [True, False] * 3, 'On_Budget': [False, True] * 3}) In [3]: df.select_dtypes(in...
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When do you use varargs in Java?

...at("This is an integer: %d", myInt); String.format("This is an integer: %d and a string: %s", myInt, myString); share | improve this answer | follow | ...
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Size of Matrix OpenCV

...ou please tell me how to obtain the size of a matrix in OpenCV?. I googled and I am still searching, but if any of you know the answer, please help me. ...
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Does it make any sense to use inline keyword with templates?

Since templates are defined within headers and compiler is able to determine if inlining a function is advantageous, does it make any sense? I've heard that modern compilers know better when to inline a function and are ignoring inline hint. ...