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Compile time string hashing
...9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
...
};
template<size_t idx>
constexpr uint32_t crc32(const char * str)
{
return (crc32<idx-1>(str) >> 8) ^ crc_table[(crc32<idx-1>(str) ^ str[idx]) & 0x000000FF];...
Who wrote this programing saying? “Always code as if the guy who ends up maintaining your code will
...e link can be fixed by changing http://groups.google.com/group/comp.lang.c%2B%2B... to http://groups.google.com/group/comp.lang.c++...
– Jason Plank
Sep 6 '11 at 16:37
20
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dynamic_cast and static_cast in C++
...e of two directions: from base to derived (B2D) or from derived to base (D2B). It's simple enough to see how D2B casts would work at runtime. Either ptr was derived from Type or it wasn't. In the case of D2B dynamic_cast<>s, the rules are simple. You can try to cast anything to anything e...
Git: Find the most recent common ancestor of two branches
...merge-base. Usage:
$ git merge-base branch2 branch3
050dc022f3a65bdc78d97e2b1ac9b595a924c3f2
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窝窝与众美联合并 新公司命名“众美窝窝” - 资讯 - 清泛网 - 专注C/C++及内核技术
...体系。窝窝属于B2C企业，而众美联则是生活服务领域的B2B企业，两者合并，属行业首例，具有标杆意义。本次二者的合并，有三大看点：
看点一 产业链纵向融合 创造新业态
“互联网+”计划为电子商务深入传统行业，改造产...
Using npm behind corporate proxy .pac
... a + to encode the space URL encoding, but it would get double encoded as %2B (which is the URL encoding for the plus sign, however the URL encoding for a space is %20), so I had to instead do the following:
npm command
// option one
// it works for some packages
npm config set http_proxy "http:/...
App Inventor 2 蓝牙发送十六进制字节方案：文本转Hex字节详解 - App应用开...
...B→171, CD→205[171, 205]"FF00"FF→255, 00→0[255, 0]"1A2B"1A→26, 2B→43[26, 43]"0AFF"0A→10, FF→255[10, 255]总结这个方案的核心就是：把用户输入的十六进制字符串，每两个字符一组，转成对应的数字字节值，再通过 WriteB...
When to use std::begin and std::end instead of container specific versions [duplicate]
...ial changes over the approved standard. Wikipedia: en.wikipedia.org/wiki/C%2B%2B11
– David Rodríguez - dribeas
Oct 7 '14 at 8:27
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How to try convert a string to a Guid [duplicate]
...
use code like this:
new Guid("9D2B0228-4D0D-4C23-8B49-01A698857709")
instead of "9D2B0228-4D0D-4C23-8B49-01A698857709" you can set your string value
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Traverse a list in reverse order in Python
... recreating a new list, you can do by indexing:
>>> foo = ['1a','2b','3c','4d']
>>> for i in range(len(foo)):
... print foo[-(i+1)]
...
4d
3c
2b
1a
>>>
OR
>>> length = len(foo)
>>> for i in range(length):
... print foo[length-i-1]
...
4d
3c
2b...