大约有 47,000 项符合查询结果（耗时：0.0712秒） [XML]
adding directory to sys.path /PYTHONPATH
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182
This is working as documented. Any paths specified in PYTHONPATH are documented as normally c...
Can git operate in “silent mode”?
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cat $stderr >&2
rm -f $stdout $stderr
exit 1
fi
rm -f $stdout $stderr
}
This will suppress stdout and stderr, unless the git command fails. It's not pretty; in fact the stdout file is ignored and it should just redirect that to /dev/null. Works, though. And...
Using new line(\n) in string and rendering the same in HTML
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edited Oct 4 '16 at 0:35
Felix Kling
666k151151 gold badges969969 silver badges10321032 bronze badges
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
... typedefs in their respective .h files, YES/TRUE/true were all defined as 1 and NO/FALSE/false were all defined as 0 . Is there really any difference?
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How to assertThat something is null with Hamcrest?
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edited Dec 2 '14 at 3:38
Jared Burrows
48.5k2121 gold badges136136 silver badges173173 bronze badges
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How to make a new line or tab in XML (eclipse/android)?
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185
Add \t for tab and \n for new line.
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Does running git init twice initialize a repository or reinitialize an existing repo?
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218
From the git docs:
Running git init in an existing repository is safe. It will not overwrit...
Fastest hash for non-cryptographic uses?
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13 Answers
13
Active
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Return 0 if field is null in MySQL
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Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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CSS file not opening in Visual Studio 2010 SP1?
I am unable to open CSS files in Visual Studio 2010 after adding to a project.
4 Answers
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