大约有 20,269 项符合查询结果（耗时：0.0650秒） [XML]
Finding the number of days between two dates
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$now = time(); // or your date as well
$your_date = strtotime("2010-01-31");
$datediff = $now -...
Ruby on Rails: How can I revert a migration with rake db:migrate?
... commit which is a long hexadecimal number which looks something like 886af3194768917c78e... You can see it by doing git log
You can see these commands (and others) with their descriptions by using rake -T db: which for rails 3.2 includes:
rake db:migrate # Migrate the database (options: V...
How to hide only the Close (x) button?
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edited May 31 '18 at 7:31
answered May 30 '18 at 15:57
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Regular expression for matching HH:MM time format
...-9]|2[0-3]):[0-5][0-9]$
– SergO
Jan 31 '14 at 13:00
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The command rbenv install is missing
... a dependency of rbenv?
– Jason
Dec 31 '14 at 15:15
For OpenSUSE, this repo has rbenv: download.opensuse.org/repositor...
Reload an iframe with jQuery
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AlexAlex
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How to find memory leak in a C++ code/project?
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John SmithJohn Smith
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How can I measure the speed of code written in PHP? [closed]
...g mesured..>
echo $th->time();
// result: 4d 17h 34m 57s 0.00095367431640625ms
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How to import other Python files?
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edited Mar 31 at 13:35
Jonathan H
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Are email addresses case sensitive?
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edited Dec 31 '19 at 18:38
Daniel
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answered Mar 21 '...