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MySQL: determine which database is selected?
After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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Adding minutes to date time in PHP
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$minutes_to_add = 5;
$time = new DateTime('2011-11-17 05:05');
$time->add(new DateInterval('PT' . $minutes_to_add . 'M'));
$stamp = $time->format('Y-m-d H:i');
The ISO 8601 standard for duration is a string in the form of P...
How to reset sequence in postgres and fill id column with new data?
...ich explains the ALTER SEQUENCE command ... so I changed 'seq' by mytable_id_seq where 'mytable' is my table name and 'id' is the name of my serial column
– Javi
May 4 at 9:19
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Where does PostgreSQL store the database?
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To see where the data directory is, use this query.
show data_directory;
To see all the run-time parameters, use
show all;
You can create tablespaces to store database objects in other parts of the filesystem. To see tablespaces, which might not be in that data directory, use this...
Trim spaces from end of a NSString
...opy];
//pass it by reference to CFStringTrimSpace
CFStringTrimWhiteSpace((__bridge CFMutableStringRef) stringToTrim);
//stringToTrim is now "i needz trim"
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How do I get the information from a meta tag with JavaScript?
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To get it working with OG tags add quotes to it like this_: var title = document.head.querySelector('[property="og:title"]');
– arpo
May 8 '17 at 8:21
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What is the equivalent of 'describe table' in SQL Server?
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You can use the sp_columns stored procedure:
exec sp_columns MyTable
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Split string on the first white space occurrence
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split#Capturing_parentheses
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Switching to landscape mode in Android Emulator
...h to previous layout orientation (for example, portrait, landscape):
KEYPAD_7, Ctrl + F11
Switch to next layout orientation (for example, portrait, landscape):
KEYPAD_9, Ctrl + F12
From docs.
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Regex, every non-alphanumeric character except white space or colon
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No alphanumeric, white space or '_'.
var reg = /[^\w\s)]|[_]/g;
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