大约有 48,000 项符合查询结果（耗时：0.0745秒） [XML]
Where can I set environment variables that crontab will use?
...ironment before running the command.
Always.
# @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $
# Crontab file for Home Directory for Jonathan Leffler (JL)
#-----------------------------------------------------------------------------
#Min Hour Day Month Weekday Command
#...
In Python, how do I index a list with another list?
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answered Jun 18 '09 at 11:38
vanvan
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close vs shutdown socket?
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edited Feb 14 at 9:08
red0ct
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answered Nov...
What is a bus error?
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edited Oct 17 '08 at 15:18
answered Oct 17 '08 at 15:12
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CSS vertical alignment text inside li
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101
Define the parent with display: table and the element itself with vertical-align: middle and di...
Compare if two variables reference the same object in python
... jpp
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answered Mar 26 '11 at 20:29
Jochen RitzelJochen Ritzel
89...
How to print an exception in Python?
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edited Aug 16 '18 at 8:01
Jan
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answered Sep 27 '09 at 12:19
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Adding Only Untracked Files
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edited Aug 17 '17 at 20:29
Joel M.
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answered Sep 1...
C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
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++cnt_;
return this;
}
void Deref() {
if (--cnt_ == 0) {
delete this;
}
}
private:
std::unique_ptr<T> ptr_;
std::atomic_uint32_t cnt_;
};
仔细观察可以发现：
每一次的读取操作对应引用计数中增加的数值 1；
当所有的...
Captured variable in a loop in C#
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205
Yes - take a copy of the variable inside the loop:
while (variable < 5)
{
int copy = va...