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When should I use a struct instead of a class?
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Why malloc+memset is slower than calloc?
...c() and calloc() are mostly there to take small allocations (anything from 1 byte to 100s of KB) and group them into larger pools of memory. For example, if you allocate 16 bytes, malloc() will first try to get 16 bytes out of one of its pools, and then ask for more memory from the kernel when the ...
What is the purpose of flush() in Java streams?
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From the docs of the flush method:
Flushes the output stream and forces any buffered outpu...
Remove directory from remote repository after adding them to .gitignore
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The rules in your .gitignore file only apply to untracked files. Since the files under that ...
How to easily resize/optimize an image size with iOS?
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How do I revert all local changes in Git managed project to previous state?
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How do I parse a URL into hostname and path in javascript?
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How to capture the browser window close event?
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Jinja2 template variable if None Object set a default value
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Use the none builtin function (http://jinja.pocoo.org/docs/templates/#none):
{% if p is not non...