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how do i block or restrict special characters from input fields with jquery?
...ut').on('keypress', function (event) {
var regex = new RegExp("^[a-zA-Z0-9]+$");
var key = String.fromCharCode(!event.charCode ? event.which : event.charCode);
if (!regex.test(key)) {
event.preventDefault();
return false;
}
});
...
.rar, .zip files MIME Type
.../ get the first 7 bytes
$bytes = file_get_contents($file, FALSE, NULL, 0, 7);
$ext = strtolower(substr($file, - 4));
// RAR magic number: Rar!\x1A\x07\x00
// http://en.wikipedia.org/wiki/RAR
if ($ext == '.rar' and bin2hex($bytes) == '526172211a0700') {
return TRUE;
}...
TypeScript and field initializers
...oses only.
– Jacques
Oct 13 '15 at 10:42
15
I agree with Jack and Jaques, and I think its worth r...
C# declare empty string array
... |
edited Dec 12 '13 at 9:07
answered May 30 '13 at 10:59
A...
Most concise way to convert a Set to a List
...
answered Feb 23 '10 at 15:56
SchildmeijerSchildmeijer
19.6k1010 gold badges5757 silver badges7878 bronze badges
...
Dynamically generating a QR code with PHP [closed]
...update.
To use this , basically:
https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=http%3A%2F%2Fwww.google.com%2F&choe=UTF-8
300x300 is the size of the QR image you want to generate,
the chl is the url-encoded string you want to change into a QR code, and
the choe is the (op...
How do I remove all non alphanumeric characters from a string except dash?
...
903
Replace [^a-zA-Z0-9 -] with an empty string.
Regex rgx = new Regex("[^a-zA-Z0-9 -]");
str = rg...
How to write a scalable Tcp/Ip based server
...
+200
I've written something similar to this in the past. From my research years ago showed that writing your own socket implementation was...
Re-open *scratch* buffer in Emacs?
...
201
GNU Emacs default bindings:
C-xb *scratch* RET
or, more verbosely
M-x switch-to-buffe...
SQL Server - stop or break execution of a SQL script
...
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