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How to find Unused Amazon EC2 Security groups
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Note: this only considers security use in EC2, not other services like RDS. You'll need to do more work to include security groups used outside EC2. The good thing is you can't easily (might not even be possible) to delete active security groups if you miss one asso...
How to concatenate text from multiple rows into a single text string in SQL server?
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
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How to get everything after a certain character?
..., then substr grabs everything from that index plus 1, onwards.
$data = "123_String";
$whatIWant = substr($data, strpos($data, "_") + 1);
echo $whatIWant;
If you also want to check if the underscore character (_) exists in your string before trying to get it, you can use the following:
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Twitter Bootstrap - add top space between rows
...er" that adds the standard margin that you need.
.top-buffer { margin-top:20px; }
And then use it on the row divs where you need a top margin.
<div class="row top-buffer"> ...
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Argument list too long error for rm, cp, mv commands
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How to get the focused element with jQuery?
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// Get the focused element:
var $focused = $(':focus');
// No jQuery:
var focused = document.ac...
How can I catch all the exceptions that will be thrown through reading and writing a file?
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edited Jul 2 '09 at 18:35
answered Jul 2 '09 at 18:20
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