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How do I detect when someone shakes an iPhone?
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How should I use git diff for long lines?
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“Treat all warnings as errors except…” in Visual Studio
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What is this 'Lambda' everyone keeps speaking of?
...ut there are other higher order functions, like forEach, that perform much more useful tasks. For example filter:
var numbers = [1, 2, 3, 4];
var even = [];
// keep all even numbers from above array
for (var i=0; i<numbers.length; i++) {
if (numbers[i] % 2 === 0) {
even.push(numb...
How to create the most compact mapping n → isprime(n) up to a limit N?
...ent a pseudo-prime test based on Fermat's little theorem. If I really want more speed (i.e. avoid O(sqrt(N)) algorithm altogether), I precompute the false positives (see Carmichael numbers) and do a binary search. This is by far the fastest test I've ever implemented, the only drawback is that the r...
Set cellpadding and cellspacing in CSS?
...cellpadding, which I'd thought was obvious (just use "padding"). Hope it's more useful now.
– Eric Nguyen
Dec 16 '13 at 6:27
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How do I tell if a regular file does not exist in Bash?
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More succinctly: [ ! -f /tmp/foo.txt ] && echo "File not found!"
– DavidWinterbottom
Sep 29 '10 at 12:09
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How to emulate GPS location in the Android Emulator?
...inding a realistic lat/lng: http://itouchmap.com/latlong.html
If you need more then one coordinate you can use a kml file with a route as well it is a little bit described in this article. I can't find a better source at the moment.
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Sort a list of tuples by 2nd item (integer value) [duplicate]
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Passing arguments to “make run”
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@Rob: $() is more portable, it works in Nmake as well as make.
– John Knoeller
Feb 6 '10 at 20:33
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