大约有 47,000 项符合查询结果（耗时：0.0483秒） [XML]
How can I remove a key and its value from an associative array?
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381
You can use unset:
unset($array['key-here']);
Example:
$array = array("key1" => "value1"...
Ruby Array find_first object?
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esilver
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answered Mar 4 '10 at 17:13
Mladen JablanovićMladen Jablanovi...
How to do Mercurial's 'hg remove' for all missing files?
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368
This will add all new files that are not ignored, and remove all locally missing files
hg addre...
How to check if a string starts with a specified string? [duplicate]
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889
Use the substr function to return a part of a string.
substr( $string_n, 0, 4 ) === "http...
How to colorize diff on the command line?
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answered Jan 10 '12 at 8:54
kajikaji
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How to detect if CMD is running as Administrator/has elevated privileges?
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ADDENDUM: For Windows 8 this will not work; see this excellent answer instead.
Found this solution here: http://www.robvanderwoude.com/clevertricks.php
AT > NUL
IF %ERRORLEVEL% EQU 0 (
ECHO you are Administrator
) ELSE (
ECHO you ar...
Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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How to execute PHP code from the command line?
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jpicjpic
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error: ‘NULL’ was not declared in this scope
... - litbJohannes Schaub - litb
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Flask-SQLAlchemy import/context issue
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298
The flask_sqlalchemy module does not have to be initialized with the app right away - you can do...