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How do I check OS with a preprocessor directive?

...them, with links to where they're found: Windows _WIN32   Both 32 bit and 64 bit _WIN64   64 bit only Unix (Linux, *BSD, Mac OS X) See this related question on some of the pitfalls of using this check. unix __unix __unix__ Mac OS X __APPLE__ __MACH__ Both are defined; checking for eith...
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What is a good use case for static import of methods?

...you overuse the static import feature, it can make your program unreadable and unmaintainable, polluting its namespace with all the static members you import. Readers of your code (including you, a few months after you wrote it) will not know which class a static member comes from. Importing all of ...
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What is the behavior of integer division?

...ion? What is the defined behavior? Yes, integer quotient of the two operands. 6.5.5 Multiplicative operators 6 When integers are divided, the result of the / operator is the algebraic quotient with any fractional part discarded.88) If the quotient a/b is representable, the expression ...
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What is the purpose of Serialization in Java?

I have read quite a number of articles on Serialization and how it is so nice and great but none of the arguments were convincing enough. I am wondering if someone can really tell me what is it that we can really achieve by serializing a class? ...
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How to configure slf4j-simple

api 1.7 and slf4j-simple as implementation. I just can't find how to configure the logging level with this combination. 4 ...
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Convert from enum ordinal to enum type

... I implemented this solution and it is not working for me. It returns out the ordinal value is not guaranteed to match the order in which the enumerated types are added. I don't know that is what this answer is advocating, but I wanted to warn people non...
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Does deleting a branch in git remove it from the history?

... source tree, it is a very different structure from svn where all branches and tags (by convention) live in separate 'folders' of the repository alongside the special 'trunk'. If the branch was merged into another branch before it was deleted then all of the commits will still be reachable from the...
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When should I use UNSIGNED and SIGNED INT in MySQL?

When should I use UNSIGNED and SIGNED INT in MySQL ? What is better to use or this is just personal prefernce ? Because I've seen it used like this; ...
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Better way to get type of a Javascript variable?

...011/08/08/fixing-the-javascript-typeof-operator/ He goes through the pros and cons of the various methods then defines a new method 'toType' - var toType = function(obj) { return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase() } ...
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How to check if a string contains only digits in Java [duplicate]

...\\d+"; As per Java regular expressions, the + means "one or more times" and \d means "a digit". Note: the "double backslash" is an escape sequence to get a single backslash - therefore, \\d in a java String gives you the actual result: \d References: Java Regular Expressions Java Character Es...