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How do I move a file with Ruby?
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answered Dec 31 '08 at 15:46
Berk D. DemirBerk D. Demir
5,22533 gold badges1414 silver badges1010 bronze badges
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“unpacking” a tuple to call a matching function pointer
...hread (after it already appeared in one of the comments).
The basic C++14 solution is still missing in this thread. EDIT: No, it's actually there in the answer of Walter.
This function is given:
void f(int a, double b, void* c)
{
std::cout << a << ":" << b << ":" &...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...locking. The analogous std::shared_timed_mutex is available only since C++14 (N3891), while std::shared_mutex is available only since C++17 (N4508).
C++11 timeouts are different to Boost timeouts (though this should soon change now Boost.Chrono has been accepted).
Some of the names are different (e....
海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...前的量级和未来的增长，2天大概在2000w — 5000w 中间。
4、短文本和长文本都要去重，经过测试长文本使用simhash效果很好，短文本使用simhash 准备度不高。
目前我们估算一下存储空间的大小，就以JAVA 来说，存储一个simhash 需...
How to convert a factor to integer\numeric without loss of information?
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734
See the Warning section of ?factor:
In particular, as.numeric applied to
a factor is meani...
简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...者知道变了什么？为什么变？变化前后的状态是什么？
4、配置审计
IEEE中的定义：确认产品的完整性并维护构件间的一致性，即确保产品是一个严格定义的构件集合。
可以理解为：验证软件产品的构造是否符合需求、标准、...
What characters are valid for JavaScript variable names?
...$A-Z\_a-z\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\...
What tools are there for functional programming in C?
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40
FFCALL lets you build closures in C -- callback = alloc_callback(&function, data) returns a...
How to get the position of a character in Python?
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L S
2,55933 gold badges2727 silver badges4141 bronze badges
answered Feb 19 '10 at 6:35
Eli BenderskyEli Bendersky
218k...
An efficient way to transpose a file in Bash
...];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time perl ...