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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...
What is the purpose of Order By 1 in SQL select statement?
...g if there was an upside to using Ordinals: stackoverflow.com/questions/2253040/…
– OMG Ponies
Aug 10 '10 at 0:23
Th...
Javascript when to use prototypes
...
133
Prototypes are an optimisation.
A great example of using them well is the jQuery library. Eve...
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 *?
...
2273
Read it backwards (as driven by Clockwise/Spiral Rule):
int* - pointer to int
int const * - po...
Subclassing a Java Builder class
...
Radiodef
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answered Jun 18 '13 at 9:19
gkamalgkamal
...
“A project with an Output type of Class Library cannot be started directly”
...
edited Jun 19 '17 at 18:13
charwayne
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answered Jul 29...
Store images in a MongoDB database
...
answered Jan 25 '11 at 23:54
Gates VPGates VP
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Codeigniter - no input file specified
...
answered Oct 25 '12 at 4:33
Ali MohamedAli Mohamed
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Double decimal formatting in Java
...
answered Oct 9 '12 at 18:38
kosakosa
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