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PHP - Get key name of array value
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341
If you have a value and want to find the key, use array_search() like this:
$arr = array ('firs...
not None test in Python [duplicate]
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1033
if val is not None:
# ...
is the Pythonic idiom for testing that a variable is not set ...
How to use my view helpers in my ActionMailer views?
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edited May 29 '12 at 11:27
Daniel Magliola
26.5k5656 gold badges153153 silver badges235235 bronze badges
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CSS horizontal centering of a fixed div?
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168
left: 50%;
margin-left: -400px; /* Half of the width */
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Search and replace a line in a file in Python
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13 Answers
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How to delete all rows from all tables in a SQL Server database?
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11 Answers
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Start thread with member function
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381
#include <thread>
#include <iostream>
class bar {
public:
void foo() {
std::c...
Should I make HTML Anchors with 'name' or 'id'?
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14 Answers
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Using str_replace so that it only acts on the first match?
...preg_quote($from, '/').'/';
return preg_replace($from, $to, $content, 1);
}
echo str_replace_first('abc', '123', 'abcdef abcdef abcdef');
// outputs '123def abcdef abcdef'
The magic is in the optional fourth parameter [Limit]. From the documentation:
[Limit] - The maximum possible
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Using CSS to insert text
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edited Sep 22 '12 at 14:43
answered Apr 29 '10 at 23:14
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