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Structure padding and packing

...alignment of the whole struct in an array */ } x; Packing, on the other hand prevents compiler from doing padding - this has to be explicitly requested - under GCC it's __attribute__((__packed__)), so the following: struct __attribute__((__packed__)) mystruct_A { char a; int b; char c...
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Resolve absolute path from relative path and/or file name

...batch script to return an absolute path from a value containing a filename and/or relative path? 14 Answers ...
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What's the difference between an argument and a parameter?

...ng else. Either way the other people know what I mean, but what's correct, and what's the history of the terms? 34 Answers ...
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Random alpha-numeric string in JavaScript? [duplicate]

What's the shortest way (within reason) to generate a random alpha-numeric (uppercase, lowercase, and numbers) string in JavaScript to use as a probably-unique identifier? ...
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

...e to prepare a little educational tool for SO which should help beginners (and intermediate) programmers to recognize and challenge their unwarranted assumptions in C, C++ and their platforms. ...
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How do I check if a string is a number (float)?

... Which, not only is ugly and slow I'd dispute both. A regex or other string parsing method would be uglier and slower. I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introd...
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Should composer.lock be committed to version control?

... specific versions of the libs you are using. If you commit your changes, and someone pulls your code and updates the dependencies, the lockfile should be unmodified. If it is modified, it means that you have a new version of something. Having it in the repository assures you that each developer i...
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Installing specific package versions with pip

...re: http://pypi.python.org/pypi/MySQL-python/1.2.2 The download link 404s and the fallback URL links are re-directing infinitely due to sourceforge.net's recent upgrade and PyPI's stale URL. So to properly install the driver, you can follow these steps: pip uninstall MySQL_python pip install -Iv ...
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Explanation of JSONB introduced by PostgreSQL

PostgreSQL just introduced JSONB and it's already trending on hacker news . It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What are its advantages and limitations and when should someone consider using it? ...
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags

I work on C++ projects, and I went through Alex Ott's guide to CEDET and other threads about tags in StackOverflow, but I am still confused about how Emacs interfaces with these different tag systems to facilitate autocompletion, the looking up of definitions, navigation of source code base or the...