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2016

c++11 学习笔记

·1 分钟
工程 Cpp
昨天终于搞定了ycm对c++11的支持…. 嘛，17都快出来了，我竟然连11都不会用。

c语言中static的作用

·1 分钟
工程 C语言 Cpp
一般有两个 1static int a; 2int b; 3void func(void) 4{ 5 static int c=0; 6 int d; 7} 在这里，a与b都是全局变量，二者的区别是，b可以被别的文件使用，a只能在本文件中使用，这是static对全局变量的作用。 ** c和d的区别是，d是一个自动变量，func函数执行完后，d会自动被释放。但c却不会被释放，下一次调用func函数时，c的值会保留上次的值继续使用(而不是初始值0，初始化只会在函数第一次被调用的时候执行)**

2015

在linux mint 上安装 Oracle JDK 的方法

·1 分钟
工程 Jdk
Open up the Terminal (Alt + F2 > Terminal). Remove OpenJDK installation. 1sudo apt-get update && apt-get remove openjdk* Download Oracle JDK from here. You are looking for a linux version with tar.gz extension. Also choose the right version from 32-bit (x86) and 64bit (x64) one.

atom在linux下安装插件失败的解决方案

·1 分钟
工程 Atom Linux
1gyp info it worked if it ends with ok 2gyp info using node-gyp@2.0.2 3gyp info using node@0.10.40 | linux | x64 4gyp http GET https://atom.io/download/atom-shell/v0.34.0/node-v0.34.0.tar.gz 5gyp WARN install got an error, rolling back install 6gyp ERR! install error 7gyp ERR! stack Error: This is most likely not a problem with node-gyp or the package itself and 8gyp ERR! stack is related to network connectivity. In most cases you are behind a proxy or have bad 9gyp ERR! stack network settings. 10gyp ERR! stack at Request.<anonymous> (/opt/atom/resources/app/apm/node_modules/npm/node_modules/node-gyp/lib/install.js:234:21) 11gyp ERR! stack at Request.emit (events.js:95:17) 12gyp ERR! stack at Request.onRequestError (/opt/atom/resources/app/apm/node_modules/npm/node_modules/request/request.js:861:8) 13gyp ERR! stack at ClientRequest.emit (events.js:95:17) 14gyp ERR! stack at Socket.socketErrorListener (http.js:1548:9) 15gyp ERR! stack at Socket.emit (events.js:95:17) 16gyp ERR! stack at net.js:834:16 17gyp ERR! stack at process._tickCallback (node.js:448:13) 18gyp ERR! System Linux 3.16.0-38-generic 19gyp ERR! command "/opt/atom/resources/app/apm/bin/node" "/opt/atom/resources/app/apm/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "install" "--target=0.34.0" "--dist-url=https://atom.io/download/atom-shell" "--arch=x64" "--ensure" 20gyp ERR! cwd /home/rkz2013/.atom 21gyp ERR! node -v v0.10.40 22gyp ERR! node-gyp -v v2.0.2 23gyp ERR! not ok 解决办法是不用apm install 而是用npm install…之前要安装一个npm