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Union of dict objects in Python [duplicate]
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115
This question provides an idiom. You use one of the dicts as keyword arguments to the dict() c...
how to provide a swap function for my class?
...amp; lhs, Bar& rhs) {
// ...
}
}
If swap is now used as shown in 1), your function will be found. Also, you may make that function a friend if you absolutely need to, or provide a member swap that is called by the free function:
// version 1
class Bar{
public:
friend void swap(Bar&...
Excel VBA - exit for loop
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answered Feb 23 '12 at 14:39
DanDan
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Why is the String class declared final in Java?
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16 Answers
16
Active
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Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...xtends Redis
{
const POSITION_FIRST = 0;
const POSITION_LAST = -1;
public function zPop($zset)
{
return $this->zsetPop($zset, self::POSITION_FIRST);
}
public function zRevPop($zset)
{
return $this->zsetPop($zset, self::POSITION_LAST);
}
...
How to match any non white space character except a particular one?
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156
You can use a character class:
/[^\s\\]/
matches anything that is not a whitespace characte...
jQuery: Get selected element tag name
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1048
You can call .prop("tagName"). Examples:
jQuery("<a>").prop("tagName"); //==> "A"
j...
How to zero pad a sequence of integers in bash so that all have the same width?
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13 Answers
13
Active
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Finding quaternion representing the rotation from one vector to another
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117
Quaternion q;
vector a = crossproduct(v1, v2);
q.xyz = a;
q.w = sqrt((v1.Length ^ 2) * (v2.Len...
Find duplicate lines in a file and count how many time each line was duplicated?
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811
Assuming there is one number per line:
sort <file> | uniq -c
You can use the more verb...