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Obfuscated C Code Contest 2006. Please explain sykes2.c

...downwards). So, t is the character of __TIME__ being output. a ends up equalling the following in binary, depending on the input t: 0 00111111 1 00101000 2 01110101 3 01111001 4 01101010 5 01011011 6 01011111 7 00101001 8 01111111 9 01111011 : 01000000 Each number is a bitmap describing the segm...
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jQuery UI “ $(”#datepicker“).datepicker is not a function”

... This error usually appears when you're missing a file from the jQuery UI set. Double-check that you have all the files, the jQuery UI files as well as the CSS and images, and that they're in the correctly linked file/directory location o...
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What is the difference between join and merge in Pandas?

... pandas.merge() is the underlying function used for all merge/join behavior. DataFrames provide the pandas.DataFrame.merge() and pandas.DataFrame.join() methods as a convenient way to access the capabilities of pandas.merge(). For example, df1.merge(right=df2, ...) is equiva...
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What's the difference between dynamic (C# 4) and var?

...iteLine(s.Length); and string s = "abc"; Console.WriteLine(s.Length); All that happened was that the compiler figured out that s must be a string (from the initializer). In both cases, it knows (in the IL) that s.Length means the (instance) string.Length property. dynamic is a very different b...
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Using CMake, how do I get verbose output from CTest?

... which is using the Boost unit testing framework. This one binary contains all of the unit tests. I've added that binary to be run by CTest: ...
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How do I get a PHP class constructor to call its parent's parent's constructor?

I need to have a class constructor in PHP call its parent's parent's (grandparent?) constructor without calling the parent constructor. ...
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Save classifier to disk in scikit-learn

... Works like a charm! I was trying to use np.savez and load it back all along and that never helped. Thanks a lot. – Kartos Jan 29 '14 at 9:29 10 ...
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What is the effect of extern “C” in C++?

...very compiler is required to provide "C" linkage A linkage specification shall occur only in namespace scope All function types, function names and variable names have a language linkage See Richard's Comment: Only function names and variable names with external linkage have a language linkage Two ...
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What are the barriers to understanding pointers and what can be done to overcome them? [closed]

...use address on it, and the memory block it references as the actual house. All sorts of operations can thus be easily explained. I've added some Delphi code down below, and some comments where appropriate. I chose Delphi since my other main programming language, C#, does not exhibit things like mem...
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Managing constructors with many parameters in Java

...ing to keep track of any kind of argument order, since any order of those calls will work equally well. share | improve this answer | follow | ...