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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 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...
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
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Detecting iOS / Android Operating system
...
You can also Achieve this with user agent on php:
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($userAgent,'android') !== false) { // && stripos($userAgent,'mobile') !== false) {
header('Location: http://oursite.com/download/yourApp.apk');...
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...
Breaking out of a nested loop
..... This syntax would be incompatible with the goto labels available in C#. PHP uses something else: break 3; Put the number of levels after the break statement.
– ygoe
Jun 27 '14 at 8:33
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Using XPATH to search text containing
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Got to work this with PHP successfully as well: $col = $xpath->query("//p[text()=\"\xC2\xA0\"]");
– hakre
Jul 23 '11 at 17:37
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Is it possible to have multiple statements in a python lambda expression?
...25, 46, 72, 10, 59, 24, 68, 23, 13, 34, 41, 94, 29, 62, 2, 50, 32, 11, 97, 98, 3, 70, 93, 1, 36, 87, 47, 20, 73, 45, 0, 65, 57, 6, 76, 16, 85, 95, 61, 4, 77, 21, 81, 82, 30, 53, 51, 42, 67, 74, 8, 15, 83, 5, 9, 78, 66, 44, 27, 19, 91, 90, 18, 49, 86, 22, 75, 71, 88, 92, 33, 89, 69, 80, 38]
[0, 1, 2,...
JavaScript equivalent to printf/String.Format
I'm looking for a good JavaScript equivalent of the C/PHP printf() or for C#/Java programmers, String.Format() ( IFormatProvider for .NET).
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Detect iPad users using jQuery?
...Phone Users
David Walsh's Blog : Detecting iPad use
Detecting iPad use via PHP
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