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PHP function to get the subdomain of a URL
...There is a list with all domain suffixes at https://publicsuffix.org. This site also links to a PHP library: https://github.com/jeremykendall/php-domain-parser.
Please find an example below. I also added the sample for en.test.co.uk which is a domain with a multi suffix (co.uk).
<?php
requir...
CSS background image alt attribute
...I have not had to tackle before. I need to use alt tags on all images in a site including those used by CSS background-image attribute.
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Explicitly calling return in a function or not
... as well :). Do you consider to provide your explanation for users of this site?
– Petr Matousu
Mar 30 '17 at 8:53
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Update Eclipse with Android development tools v. 23
... installing Eclipse again with a new and fresh ADT bundle from Android web site.
– greywolf82
Jun 26 '14 at 18:46
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Command-line Tool to find Java Heap Size and Memory Used (Linux)?
.... Useful to get an at a glance view of usage.
See jstat docs on Oracle's site.
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Using boolean values in C
... since it has a convenient, and hopefully meaningful, name. But, the call sites look like
foo(TRUE);
foo(FALSE):
Here, it's essentially impossible to tell what the parameter meant without always looking at the function definition or declaration, and it gets much worse as soon if you add even mor...
Performance optimization strategies of last resort [closed]
There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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convert_tz returns null
...nning the command in the accepted answer (which is the same on MySQL's dev site) the command was unable to convert between timezones such as
SELECT CONVERT_TZ('2004-01-01 12:00:00','UTC','MET') AS time
It turns out that on OS X there are two files that cause problems: /usr/share/zoneinfo/Factory ...
Failed to install Python Cryptography package with PIP and setup.py
...ither pip install cryptography or by downloading the package from their site and running python setup.py , I get the following error:
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How do you increase the max number of concurrent connections in Apache?
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Please advise: the site linked is currently serving malware (and porn)... It's probably hacked... Quite anoying if you are at work searching for a solution on stackoverflow and a full blown porn site opens... sitecheck.sucuri.net/results/www.ge...