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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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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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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...
Pipe subprocess standard output to a variable [duplicate]
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