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How do you copy the contents of an array to a std::vector in C++ without looping?
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phoenix
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answered Nov 3 '08 at 17:38
Drew HallDrew Hall...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...《TCP/IP 详解 卷1：协议》（当然，你也可以去读一下RFC793以及后面N多的RFC）。另外，本文我会使用英文术语，这样方便你通过这些英文关键词来查找相关的技术文档。
之所以想写这篇文章，目的有三个，
一个是想锻炼一下...
sprintf like functionality in Python
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Alexei SholikAlexei Sholik
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add a com...
Remove columns from dataframe where ALL values are NA
... teucerteucer
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Why is division in Ruby returning an integer instead of decimal value?
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edited Oct 24 '13 at 3:17
Andrew Marshall
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What is the difference between ui-bootstrap-tpls.min.js and ui-bootstrap.min.js?
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3 Answers
3
Active
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Variable declared in for-loop is local variable?
...l variable declared in a for-initializer of a for
statement (Section 8.8.3) is the for-initializer, the for-condition,
the for-iterator, and the contained statement of the for statement.
And also: Local variable declarations (Section 8.5.1 of the C# specification)
Specifically:
The scope ...
Efficient way to apply multiple filters to pandas DataFrame or Series
...'col1'] >= 1]
Out[12]:
col1 col2
1 1 11
2 2 12
In [13]: df[(df['col1'] >= 1) & (df['col1'] <=1 )]
Out[13]:
col1 col2
1 1 11
If you want to write helper functions for this, consider something along these lines:
In [14]: def b(x, col, op, n):
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object==null or null==object?
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answered Mar 3 '10 at 6:39
Laurence GonsalvesLaurence Gonsalves
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How to start two threads at “exactly” the same time
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To start the threads at exactly the same time (at least as good as possible), you can use a Cyc...