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Hidden Features of MySQL
... COLUMNS FROM mytable
SELECT max(namecount) AS virtualcolumn FROM mytable ORDER BY virtualcolumn
http://dev.mysql.com/doc/refman/5.0/en/group-by-hidden-fields.html
http://dev.mysql.com/doc/refman/5.1/en/information-functions.html#function_last-insert-id
last_insert_id()
gets you the PK of the ...
How to post data to specific URL using WebClient in C#
...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
How to check if mod_rewrite is enabled in php?
...ng mod_php, you can use apache_get_modules(). This will return an array of all enabled modules, so to check if mod_rewrite is enabled, you could simply do
in_array('mod_rewrite', apache_get_modules());
Unfortunately, you're most likely trying to do this with CGI, which makes it a little bit more ...
Microsoft Excel mangles Diacritics in .csv files?
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A correctly formatted UTF8 file can have a Byte Order Mark as its first three octets. These are the hex values 0xEF, 0xBB, 0xBF. These octets serve to mark the file as UTF8 (since they are not relevant as "byte order" information).1 If this BOM does not exist, the consu...
Performance of foreach, array_map with lambda and array_map with static function
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FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug.
UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
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How do I make an asynchronous GET request in PHP?
... Am I right in saying that this function is improperly named? It really doesn't have anything to do with the curl library. It's fsock_post_async() more like it
– MikeMurko
Oct 8 '12 at 19:28
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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How do I get a file name from a full path with PHP?
...ray with the parts of the path. Or for the case here, you can just specifically ask for the filename. So pathinfo('/var/www/html/index.php', PATHINFO_FILENAME) should return 'index.php' PHP Pathinfo documentation
– OnethingSimple
Apr 19 '15 at 13:54
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Parsing domain from a URL
...;
echo $parse['host']; // prints 'google.com'
parse_url doesn't handle really badly mangled urls very well, but is fine if you generally expect decent urls.
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PHP DOMDocument errors/warnings on html5-tags
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@SuperCat It's all dependant on the underlying libxml library.
– lonesomeday
Jul 2 '17 at 12:59
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