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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
二维码的生成细节及原理二维码又称QR Code，QR全称Quick Response，是一个近几年来移动设备上超流行的一种编码方式，它比传统的Bar Code条形码能存更多的信息，...二维码又称QR Code，QR全称Quick Response，是一个近几年来移动设备上超...
Weighted random numbers
I'm trying to implement a weighted random numbers. I'm currently just banging my head against the wall and cannot figure this out.
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What's a correct and good way to implement __hash__()?
What's a correct and good way to implement __hash__() ?
6 Answers
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...解释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏览了一下Lua解释器的源码，这可能是我看过最干净的C的源码了。我不想写一篇大而全的语言手册，一方面是因为已...
How do I activate C++ 11 in CMake?
When I try to run a CMake generated makefile to compile my program, I get the error that
14 Answers
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Creating C formatted strings (not printing them)
I have a function that accepts a string, that is:
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
While there are multiple ways to reverse bit order in a byte, I'm curious as to what is the "simplest" for a developer to implement. And by reversing I mean:
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
33 Answers
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Find all files with name containing string
I have been searching for a command that will return files from the current directory which contain a string in the filename. I have seen locate and find commands that can find files beginning with something first_word* or ending with something *.jpg .
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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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