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Understanding dispatch_async
...dispatch_async(dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void){
//Background Thread
dispatch_async(dispatch_get_main_queue(), ^(void){
//Run UI Updates
});
});
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How to change the map center in Leaflet.js
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For example:
map.panTo(new L.LatLng(40.737, -73.923));
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Testing whether a value is odd or even
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Use modulus:
function isEven(n) {
return n % 2 == 0;
}
function isOdd(n) {
return Math.abs(n % 2) == 1;
}
You can check that any value in Javascript can be coerced to a number with:
Number.isFinite(parseFloat(n))
This check should preferably be done outside the isEv...
Can you 'exit' a loop in PHP?
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answered Feb 26 '09 at 2:47
TheTXITheTXI
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Unstage a deleted file in git
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edited Dec 5 '18 at 23:09
Patrick M
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urlencode vs rawurlencode?
...y string to follow form-encoding style of spaces encoded as + instead of %20 (in which case you need urlencode).
rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3986 afterwards (see http://us2.php.net/manual/en/function.rawurlencode.php)
Returns a string in which all non-alphanumeric c...
overlay opaque div over youtube iframe
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210
Information from the Official Adobe site about this issue
The issue is when you embed a youtube...
Variable is accessed within inner class. Needs to be declared final
...dea :-)
– Kevin Zhao
Oct 12 '15 at 20:15
15
In retrospect, using global variables is a bad idea i...
How do I find out which computer is the domain controller in Windows programmatically?
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answered Dec 9 '08 at 20:55
MZywitzaMZywitza
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Create table in SQLite only if it doesn't exist already
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answered Nov 4 '10 at 15:06
David WoleverDavid Wolever
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