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Why do pthreads’ condition variable functions require a mutex?

...ng). Then when the condition variable is signalled or broadcast to, one or more of the threads on the waiting list will be woken up and the mutex will be magically locked again for that thread. You typically see the following operation with condition variables, illustrating how they work. The follo...
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Do fragments really need an empty constructor?

... fine, I believe that holding several copies of data can sometimes take up more memory than view destruction can regain. In some cases, it might be useful to have the option to treat a collection of Activities/Fragments as a unit, to be destroyed as a whole or not at all - then we could pass data vi...
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Should methods that throw RuntimeException indicate it in method signature?

... possible exceptions thrown by your methods this way. In a way, it's even more important to do this for unchecked exceptions, as checked exceptions are somewhat self-documenting (the compiler forces the calling code to acknowledge them). ...
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How to include package data with setuptools/distribute?

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Convert numpy array to tuple

... pretty common in python because of the concept of "duck-typing" and EAFT, more here: docs.python.org/glossary.html#term-duck-typing. The advantage of this approach is that it'll convert any nested sequence into nested tuples, not just an array. One thing I should have done that I've fixed is specif...
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Setting up a git remote origin

... Because deploying often mean (read "always") more than just what git pull do. You might need to setup the production DB credentials, clear the cache, increase the version number, backup the older version so you can roll back if things go wrong, optimized/minify your ass...
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Truncate Two decimal places without rounding

...he programmer that calculating with the assumption that a number can store more than 308 digits is grossly inappropriate. Double can store only 15. Overflow is very much a feature here, it overflowed rather badly. – Hans Passant May 17 '16 at 12:02 ...
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How to automatically install Emacs packages by specifying a list of package names?

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How can I determine if a String is non-null and not only whitespace in Groovy?

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Git Bash is extremely slow on Windows 7 x64

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