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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;
}
});
...
How do I clone a range of array elements to a new array?
I have an array X of 10 elements. I would like to create a new array containing all the elements from X that begin at index 3 and ends in index 7. Sure I can easily write a loop that will do it for me but I would like to keep my code as clean as possible. Is there a method in C# that can do it for m...
How to generate random number in Bash?
...shell arithmetic. For instance, to generate a random number between 1 and 10 (inclusive):
$ echo $((1 + RANDOM % 10))
3
The actual generator is in variables.c, the function brand(). Older versions were a simple linear generator. Version 4.0 of bash uses a generator with a citation to a 1985 paper...
Use of exit() function
...
Try using exit(0); instead. The exit function expects an integer parameter. And don't forget to #include <stdlib.h>.
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How can I check file size in Python?
...something based on the file size. For example, if the size is greater than 0, I will send an email to somebody, otherwise continue to other things.
...
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...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
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answered Jan 16 '15 at 18:09
NoyoNoyo
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Using %f with strftime() in Python to get microseconds
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edited Jul 21 '17 at 8:20
Nam G VU
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answe...
Running a command in a Grunt Task
...
105
Alternatively you could load in grunt plugins to help this:
grunt-shell example:
shell: {
m...
How to send and retrieve parameters using $state.go toParams and $stateParams?
I am using AngularJS v1.2.0-rc.2 with ui-router v0.2.0. I want to pass the referrer state to another state so I use the toParams of $state.go like so:
...