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Send POST data using XMLHttpRequest
...s on how to do this.
var http = new XMLHttpRequest();
var url = 'get_data.php';
var params = 'orem=ipsum&name=binny';
http.open('POST', url, true);
//Send the proper header information along with the request
http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
http.onre...
What does curly brackets in the `var { … } = …` statements do?
...es code much more succinct.
For example:
var ascii = {
a: 97,
b: 98,
c: 99
};
var {a, b, c} = ascii;
The above code is equivalent to:
var ascii = {
a: 97,
b: 98,
c: 99
};
var a = ascii.a;
var b = ascii.b;
var c = ascii.c;
Similarly for arrays:
var ascii = [97, 98, 9...
Using reCAPTCHA on localhost
I'm developing a website using PHP and I want to make a human verification in one of the sessions. For the development, I'm initially running the system locally and when it is ready, I'm gonna make put it on in a certain domain.
...
How to remove/delete a large file from commit history in Git repository?
...n page
| A login.html
* cb14efd Remove DVD-rip
| D oops.iso
* ce36c98 Careless
| A oops.iso
| A other.html
* 5af4522 Admin page
| A admin.html
* e738b63 Index
A index.html
Note that git lola is a non-standard but highly useful alias. With the --name-status switch, we can ...
HTML-encoding lost when attribute read from input field
...his implementation of a replaceAll method:
http://dumpsite.com/forum/index.php?topic=4.msg29#msg29
(also referenced here: Fastest method to replace all instances of a character in a string)
Some performance results here:
http://jsperf.com/htmlencoderegex/25
It gives identical result string to the b...
Get list from pandas DataFrame column headers
... edited Apr 3 '19 at 9:51
cs95
231k6060 gold badges390390 silver badges455455 bronze badges
answered Oct 20 '13 at 21:23
...
How do I unbind “hover” in jQuery?
... 2016:
Still a popular question so it's worth drawing attention to @Dennis98's point in the comments below that in jQuery 1.9+, the "hover" event was deprecated in favour of the standard "mouseenter mouseleave" calls. So your event binding declaration should now look like this:
$('#myElement').off...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...kage includes the template-haskell plumbing, so the package is not Haskell 98, and it also requires the (fairly non-controversial) TypeOperators extension.
data-accessor
[Edit: data-accessor is no longer using this representation, but has moved to a form similar to that of data-lens. I'm keeping t...
How to run cron job every 2 hours
...into crontab :
crontab -e
write this into the file:
0 */2 * * * python/php/java yourfilepath
Example :0 */2 * * * python ec2-user/home/demo.py
and make sure you have keep one blank line after the last cron job in your crontab file
...
Are Exceptions in C++ really slow
... on exception performance?
“I want to know is this still true for C++98”
C++98 was the first C++ standard. For exceptions it introduced a standard hierarchy of exception classes (unfortunately rather imperfect). The main impact on performance was the possibility of exception specifications...