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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...print microtime(true) - $t;
The first method using $array[] is almost 50% faster than the second one.
Some benchmark results:
Run 1
0.0054171085357666 // array_push
0.0028800964355469 // array[]
Run 2
0.0054559707641602 // array_push
0.002892017364502 // array[]
Run 3
0.0055501461029053 // array_...
Adding values to a C# array
...to use, they reserve all the space at the beginning, witch makes them very fast, but not possible for them to be resized.
– KinSlayerUY
Sep 7 '18 at 14:25
...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...lite which is typeless.
through experience, I find that this works really fast, if all you need to to is store coordinates and retrieve those to do some math with.
in php those 2 functions look like
function LatitudeSmallToFloat($LatitudeSmall){
if(($LatitudeSmall>0)&&($LatitudeSmal...
Maximum length for MD5 input/output
...a CRYPTOGRAPHIC hash function in any modern sense. It is however extremely faster than SHA1, and so is a very nice one to use if we just care about e.g. finding an insecure cache file name or creating a fast hash lookup for e.g counting, checksums etc. It does its job very well, however this job is ...
C++, copy set to vector
...
please add a reference to an authority why this is fast and something like why a back_inserter doesn't need to be used
– Tarick Welling
Jun 12 '19 at 19:37
...
How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
...tors returned by this class's iterator and listIterator
methods are fail-fast: if the list is structurally modified at any
time after the iterator is created, in any way except through the
iterator's own remove or add methods, the iterator will throw a
ConcurrentModificationException.
...
The simplest possible JavaScript countdown timer? [closed]
... Does not accurately represent each second, it's counting down much too fast.
– Scott Rowley
Nov 21 '17 at 19:15
4
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How to create an alias for a command in Vim?
...foo/bar/g would be turned into s/w foo/bar/g. this can get annoying really fast. see my answer for a comprehensive solution.
– airstrike
May 22 '12 at 19:17
4
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Capture iframe load complete event
... it's possible that it will not be called (e.g. if the iframe is very very fast, or coming from cache).
<iframe id="myframe" src="..."></iframe>
<script>
document.getElementById('myframe').onload = function() {
alert('myframe is loaded');
};
</script>
Also see my othe...
How to use Python's pip to download and keep the zipped files for a package?
...to/downloaded/files"
The pip documentation outlines using --download for fast & local installs.
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