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Git: How to remove file from index without deleting files from any repository
... add foo.conf again (it is possible, but requires -f/--force).
If you have more than one configuration file, you might consider ‘moving’ them all into a single directory and ignoring the whole thing (by ‘moving’ I mean changing where the program expects to find its configuration files, and g...
What are paramorphisms?
...ficient, but if you're interested in sheer expressivity, para gives you no more than foldr. If you use this foldr-encoded version of para, then safeTail will take linear time after all, copying the tail element by element.
So, that's it: para is a more convenient version of foldr which gives you im...
PHP Constants Containing Arrays?
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How to reload the current state?
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@SimpleAsCouldBe if you wanted to be more angular about it you could do $window.location.reload();. Although this seems a little overkill it could make testing/mocking/knowing all dependencies a piece of code has things a little easier.
– e...
Make first letter of a string upper case (with maximum performance)
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Imitate Facebook hide/show expanding/contracting Navigation Bar
... absolute amount, which results in a slower fade. The original behavior is more Facebook-like, but I like this one, too.
Note: This solution is iOS 7+ only. Be sure to add the necessary checks if you're supporting older versions of iOS.
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What Every Programmer Should Know About Memory?
... worth to read, but, well, I don't think it's for "every programmer". It's more suitable for system/embedded/kernel guys.
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How to generate a random integer number from within a range
... of the interval into which rand() returns (i.e. is a power of 2). Furthermore, one has no idea whether the moduli of rand() are independent: it's possible that they go 0, 1, 2, ..., which is uniform but not very random. The only assumption it seems reasonable to make is that rand() puts out a Poi...
Shell script - remove first and last quote (") from a variable
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There's a simpler and more efficient way, using the native shell prefix/suffix removal feature:
temp="${opt%\"}"
temp="${temp#\"}"
echo "$temp"
${opt%\"} will remove the suffix " (escaped with a backslash to prevent shell interpretation).
${te...
What are the use(s) for tags in Go?
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Excellent answer. Way more useful info in here than in the one with ten times this karma.
– Darth Egregious
Jul 1 '15 at 13:53
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