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What are '$$' used for in PL/pgSQL
...such a good idea. Use dollar-quoting instead, more specifically also put a token between the $$ to make it unique - you might want to use $-quotes inside the function body, too. I do that a lot, actually.
CREATE OR REPLACE FUNCTION check_phone_number(text)
RETURNS boolean
AS
$func$
BEGIN
...
E...
How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
... want to go reverse, take a look at this http://wiki.lessthandot.com/index.php/Epoch_Date
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grep, but only certain file extensions
...es)
'searchterm': What to search
./: Start at current directory.
Source: PHP Revolution: How to Grep files in Linux, but only certain file extensions?
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count (non-blank) lines-of-code in bash
...path './punbb' -prune -o -path './js/3rdparty' -prune -o -print | egrep '\.php|\.as|\.sql|\.css|\.js' | grep -v '\.svn' | xargs cat | sed '/^\s*$/d' | wc -l
The above will give you the total count of lines of code (blank lines removed) for a project (current folder and all subfolders recursively)....
Escape single quote character for use in an SQLite query
...eded by a single "x" or "X" character. ... A literal value can also be the token "NULL".
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Why does the C++ STL not provide any “tree” containers?
...
By the same token, you could easily build an associative tree (to model unstructured key-value records, like JSON for example) by replacing vector with map in the example above. For full support of a JSON-like structure, you could use v...
jQuery convert line breaks to br (nl2br equivalent)
...([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1'+ breakTag +'$2');
}
http://phpjs.org/functions/nl2br:480
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How to show the loading indicator in the top status bar
...l;
dispatch_once(&pred, ^{
shared = [[RMActivityIndicator alloc] init];
});
return shared;
}
@end
Example:
[[RMActivityIndicator sharedManager]increaseActivity];
[NSURLConnection sendAsynchronousRequest:urlRequest queue:self.networkReceiveProcessQueue completionH...
What Regex would capture everything from ' mark to the end of a line?
...mber of any chars [including zero chars] ending with an end of string/line token:
'.*$
And if you wanted to capture everything after the ' char but not include it in the output, you would use:
(?<=').*$
This basically says give me all characters that follow the ' char until the end of the l...
Use dynamic variable names in JavaScript
In PHP you can do amazing/horrendous things like this:
17 Answers
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