mujiok2003-优快云博客

原创 nginx + php-fpm + phpMyAdmin + mysql

OS: centos X86_64 6.9upgrade systemyum updateyum upgradesetup mysql-serveryum install mysql-serverservice mysqld start#set root password, disable root remote login, remove test database,etc/usr/bin/mysql_secure_installation#disable tcp/ip connect

2020-10-12 15:34:07 179

原创 windows vim settings

autocmd FileType * set tabstop=2|set shiftwidth=2 | set softtabstop=2 |set expandtabset noundofileset backupdir=c:\temp

2016-12-27 13:26:48 430 1

原创 get pid by executable image name in Linux

ps -C python -o pid --no-headers

2016-09-14 09:42:16 400

原创在ubuntu上通过SSH tunnel 安装软件

场景有一台可以访问(出站)因特网主机A，对外开放SSH（入站）。主机B运行ubuntu, 没有因特网访问权限，但是可以ssh到主机A。问题apt-get 更新主机B方案在主机B的/etc/hosts中加上 127.0.0.1 your_mirror_serversudo ssh -NCf -L 80:your_mirror_server:80 user_name@host_Asudo apt

2015-10-23 18:12:57 1036

原创加速stackoverflow.com加载速度

发现stackoverflow.com在国内加载很慢，分析了一下：在缓慢尝试从谷歌的CDN中加载jquery。解决办法：修改dns/或hosts文件，让它从本地加载。本地可以没有web服务器，这样可以让更快的失败。 //C:\Windows\System32\drivers\etc\hosts127.0.0.1 ajax.googleapis.com

2015-08-18 23:28:30 1501

原创在windows上部署freesshd

1. 下载安装。根据向导点击下一步就可以完成。 2. 以管理员权限运行freessd. (不是以管理员账户运行哦）3. Settings->user-> add a new user4. unload5.以管理员权限运行freessd

2015-07-24 10:31:37 841

原创 ubuntu firefox flashplugin

1. get flashplugin tar.gz file from adobe website2. untar it 3. cp libflashplayer.so /usr/lib/firefox/browser/plugins/ cp -r ./usr/* /usr/

2015-06-12 08:54:15 353

原创 ubuntu 中文字体安装

sudo apt-get install xfonts-wqy

2015-06-12 08:42:36 502

原创让安卓手机显示彝文

1.没有安装彝文字，打开yi.people.com.cn, 显示乱码2. 获得手机root权限，我这里是用的是“百度一键root". 傻瓜式操作，很容易。 3. 安装“授权管理”，这有可以对个别程序root授权。4. 安装"ES"文件浏览器,并启用root工具箱。5. 下载 Nu

2015-04-23 21:04:11 1428

原创通过SSH Tunnel远程操作防火墙内的主机

准备：防火墙内的主机A，位于公网的跳转主机ubuntu B(b.b.b.b)，任意可操作的电脑C配置主机B 参考这里sshd(服务器)和ssh(客户端）:sshd在b.b.b.b:22监听vnc server 和vnc viewwer: vnc server在127.0.0.1:5900监听配置主机Asshd和ssh: sshd在 127.0.0.1:22j监听vnc

2015-04-08 11:38:20 525

原创 workaround for ubuntu 14.04 team viewer not ready issue

please use the one Other systems (not officially supported)

2015-04-08 09:56:35 580

原创通过vnc viewer连接64位ubuntu 14.02 LTS 云主机上

前提条件：已经申请了64位ubuntu 14.02 LTS的云主机切换到root账户，以后就不用sudo了 sudo bash安装图形桌面 apt-get install ubuntu-desktop -y安装gnomeapt-get install gnome安装vnc server apt-get install vnc4server启动vnc server已生成配置文件和密码 vncse

2015-04-08 09:36:59 1048

原创 RAII用例：让C++ IO流的fmtflag自动重置

C的FILE流中，格式化控制仅影响当前IO操作。

2014-09-14 19:16:05 1139

原创 a calendar utility

#include #include #include typedef struct date_s date_t;struct date_s{ int serial;};#define is_leap(y) (((y) % 400 == 0)||((0 == (y)%4) && (0 != (y) % 100)))int year_days[2] = {365, 366}

2014-09-10 14:33:43 548

原创 visual c++ 操作UTF-8

微软的C/C++ CRT不支持UTF-8的locale,

2014-08-23 15:07:12 1160

原创 paste utilitiy -- merge lines of files

#include #include #include #include #include #define SEP "\t"class Line;std::istream& operator >> (std::istream& is, Line & line);std::ostream& operator << (std::ostream& os, Line const & li

2014-05-20 21:51:06 628

原创 using tail recursion to reverse words of line ( just for fun)

#include #include #include #include class Solution {public: void reverseWords(std::string &s){ std::reverse(s.begin(), s.end()); std::istringstream iss(s); s = ""; std::s

2014-04-25 10:46:52 859

原创 type dedution and reference collapse in c++ 11(works vc++ 2013)

#include #include #include templatestruct Ident{ static char const* name() { return "T"; }};templatestruct Ident{ static char const* name() { return "T const"; }};templatestr

2014-04-24 08:09:55 895

原创 a simple event loop with IOCP

Windows IOCP provides a way to scalable and high performance Input/Output. It also gives an easier way to make a event loop or message passing system, take a look of the demo bellow.#include

2014-04-03 12:48:42 1216

原创 using lamda to make RAII idom

#define _CRT_SECURE_NO_WARNINGS#include #include #include templateclass scoped_object{ public: scoped_object(ctor c, dtor d): t_(c()), dtor_(d){} ~scoped_object() { dtor_(t_

2014-04-02 08:38:01 532

原创 convert Structured Exception Code to string

#include #include // for EXCEPTION_ACCESS_VIOLATION#include char const* exCode2ExDesc(unsigned int exCode){ switch (exCode) { case EXCEPTION_ACCESS_VIOLATION: return "EXCEPTION_ACCESS_VIOLA

2013-12-02 21:29:19 774

原创 C++ file stream open mode vs C file stream open mode in Visual C++ 2013

//C++ file stream valid stream open mode ios_base::openmode mode; { static const int valid[] = { // valid combinations of open flags ios_base::in, ios_base::out, ios_base::out | ios_base:

2013-11-03 10:56:47 1203

原创 how vc convert LR LF to LR

//read.c if (_osfile(fh) & FTEXT) { /* now must translate CR-LFs to LFs in the buffer */ /* For ANSI & UTF8, we read byte by byte. For UTF16, we need to rea

2013-11-02 20:19:36 872

原创 read a line with arbitrary length using fgets

let me know if you found any issue via bruceadi(at)hotmail.com, thanks#include #include #include char* getline(char** pbuf, size_t* buflen, FILE* stream){ if(*buflen <= 1) return NULL; if(!fge

2013-08-15 10:38:34 801

原创 capture windows/screen using GDI+

It's just a demo to show GDI+ usage, just for fun#ifndef UNICODE#define UINICODE#endif#include #include #include #include //using namespace Gdiplus;#pragma comment (lib,"Gdiplus.lib")int

2013-08-09 01:48:05 1575

原创 use python to download files from http servers

I am preparing for a visit to a US firm in NY rencently. I reallyized It sounds a good idea to have some business english audio. Google tells me there are quite a lot of available now. But I have to d

2013-07-25 21:07:20 703

原创 demo for insert values into sorted single list

#include #include #include extern "C"{ typedef struct node_s node_t; struct node_s { int value; node_t* next; }; void destroy(node_t* head) { node_t *p, *n = head; w

2013-04-23 00:18:22 865

原创 a utility to compare date diff and date advance^_^

#include typedef struct date_s date_t;struct date_s{ int serial;};#define is_leap(y) (((y) % 400 == 0)||((0 == (y)%4) && (0 != (y) % 100)))int year_days[2] = {365, 366};unsigned char mont

2013-04-18 14:03:49 844

原创 how to extend C style IO to user defined types

the other day, we had to extend C style IO to use defined types. Let the code says how we made that work#include#include #include #include #include typedef struct tagProcessor{ char name[32

2013-03-26 14:43:51 695

原创 integer addition in terms of bit operators, just for fun

#define SIZE_OF_INT 4#if SIZE_OF_INT == 4int add(unsigned int a, unsigned int b){ //implement integer addition with bit operators, just for fun unsigned int c = 0, result = 0; //the looking

2013-03-26 10:37:27 630

原创 C++ code to verify IEEE 754 double precision floating-point format

As the title says, let the code talk.//feel free to use it in your project with nothing guaranteed//mail to: bruceadi(at)hotmail.com //to verity Double-precision floating-point format, see the l

2013-03-10 18:43:55 1147

原创 a utility for compressing messages to be shared among processes

Data shared among processes could be limited to integers and strings. Other types could be present with these two types.1. A floating value could be presented in the form of mantissa and expon

2013-03-09 00:54:04 652

原创 a simple function for memory dumping

//feel free to use it in your project with nothing guaranteed//mail to: bruceadi(at)hotmail.com #include //assumption:// f is allowed to write,// memory block [bytes, bytes+ len) is a acc

2013-03-08 14:38:31 852

原创 another lightweight c++ log utility

As we all know, logs are often helpful to pinpointing programs problems. It's nice to have a resuable log library so that we could put more effort to much nicer things. /*comments are welcome via

2013-02-17 12:26:08 605

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