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Which is faster : if (bool) or if(int)?
...helps to illuminate that when choosing a variable type, you're choosing it for two potentially competing purposes, storage space vs. computational performance.
– Triynko
Apr 27 '11 at 18:20
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When do I use the PHP constant “PHP_EOL”?
...s, PHP_EOL is ostensibly used to find the newline character in a cross-platform-compatible way, so it handles DOS/Unix issues.
Note that PHP_EOL represents the endline character for the current system. For instance, it will not find a Windows endline when executed on a unix-like system.
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Double vs. BigDecimal?
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Yep, I'm calculating the price for stock so I believe BigDecimal is useful in this case.
– Truong Ha
Aug 5 '10 at 9:51
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How do I iterate through each element in an n-dimensional matrix in MATLAB?
...-dimensional matrix in MATLAB. The problem is, I don't know how to do this for an arbitrary number of dimensions. I know I can say
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Calc of max, or max of calc in CSS
...n math expressions, that means you can avoid calc() when using them.
Therefore the original example can be written as:
max-width: max(500px, 100% - 80px);
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How do I write JSON data to a file?
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You forgot the actual JSON part - data is a dictionary and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3):
import json
with open('data.json', 'w') as f:
json.dump(data, f)
On a modern s...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
What is the best way to restrict "number"-only input for textboxes?
40 Answers
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Git - What is the difference between push.default “matching” and “simple”
I have been using git for a while now, but I have never had to set up a new remote repo myself and I have been curious on doing so. I have been reading tutorials and I am confused on how to get "git push" to work.
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Return value in a Bash function
..., with this || construct, an exit code of 0 is considered success and therefore "true". Non-zero is error and therefore false. Think of fun1 || fun2 as shorthand for "if fun1 returns success or fun2 returns success" rather than an operator on the actual return values themselves.
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What is the purpose of .PHONY in a Makefile?
...nds that do not represent physical files in the file system. Good examples for this are the common targets "clean" and "all". Chances are this isn't the case, but you may potentially have a file named clean in your main directory. In such a case Make will be confused because by default the clean tar...