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Proper URL forming with Query String and Anchor Hashtag
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edited Jan 20 '16 at 22:06
guido
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Javascript equivalent of Python's zip function
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2016 update:
Here's a snazzier Ecmascript 6 version:
zip= rows=>rows[0].map((_,c)=>rows.map(row=>row[c]))
Illustration equiv. to Python{zip(*args)}:
> zip([['row0col0', 'row0col1', 'row0col2'],
['row1co...
Capistrano - clean up old releases
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answered Jan 23 '10 at 4:32
jcrossley3jcrossley3
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Creating an empty bitmap and drawing though canvas in Android
...edited Dec 2 '18 at 9:56
raldone01
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answered Apr 14 '11 at 13:31
bigstonesb...
Undo a git stash
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starwed
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answered May 31 '12 at 3:46
ziad-saabziad-saab
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Create RegExps on the fly using string variables
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answered Dec 6 '10 at 22:27
meder omuralievmeder omuraliev
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Reliable timer in a console application
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edited Dec 24 '19 at 10:19
Kolappan N
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answer...
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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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...
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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