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Check if string ends with one of the strings from a list
...dswith also accepts a tuple. You don't need to loop.
>>> 'test.mp3'.endswith(('.mp3', '.avi'))
True
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Get file size, image width and height before upload
...g the Blob object
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
return...
preventDefault() on an tag
...ndr Sushkevich
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answered Nov 5 '08 at 15:31
Davide GualanoDavide Gualano
11...
How do I close a connection early?
...length();
header("Content-Length: $size");
ob_end_flush();
flush();
sleep(13);
error_log("do something in the background");
?>
Which works fine until you substitute phpinfo() for echo('text I want user to see'); in which case the headers are never sent!
The solution is to explicitly tu...
What is the difference between const int*, const int * const, and int const *?
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2273
Read it backwards (as driven by Clockwise/Spiral Rule):
int* - pointer to int
int const * - po...
Subclassing a Java Builder class
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Radiodef
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answered Jun 18 '13 at 9:19
gkamalgkamal
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Use of Java's Collections.singletonList()?
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edited May 30 '19 at 9:42
answered Jan 26 '11 at 6:19
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How to change the href for a hyperlink using jQuery
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lucasreta
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answered Oct 7 '08 at 18:19
Shog9Shog9
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What is the difference between a static and a non-static initialization code block
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Michael
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answered Dec 2 '08 at 20:35
Lawrence DolLawre...
Why is MATLAB so fast in matrix multiplication?
...uple of times, and then:
>> tic, C = A * A; toc
Elapsed time is 0.075396 seconds.
>> tic, gC = gA * gA; toc
Elapsed time is 0.008621 seconds.
MATLAB uses highly optimized libraries for matrix multiplication which is why the plain MATLAB matrix multiplication is so fast. The gpuArray ve...