hellojinjie

" this is the configuration file for linux and mac systems
" symlink this to your home folder as .vimrc 
" It loads pathogen and loads all modules from ~/.vim/bundles.
" It then loads ~/.vimrc_main which has the main 
" configuration that works across all systems. 
call pathogen#runtime_prepend_subdirectories(expand('~/.vim/bundles'))
call pathogen#helptags()
source ~/.vimrc_main

hellojinjie

package com.xindianbao.isv;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.concurrent.ExecutionException;

import com.google.common.cache.CacheBuilder;

hellojinjie

package com.xindianbao.isv;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.gearman.Gearman;
import org.gearman.GearmanClient;
import org.gearman.GearmanServer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

hellojinjie

package conger;

import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLDecoder;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;

hellojinjie

五种不同的 URL 参数解析方法的性能比较

因为在我们的项目中需要解析日志中的 URL 的参数，所以我对比了一下五种不同 的 URL 参数解析方法的性能。

##URL 参数解析方法:

1. httpclient org.apache.http.client.utils.URLEncodedUtils

hellojinjie

find . -name "*-lastUpdated" -or -name "*-not-available" -exec rm {} \;
find .  -size 0 -exec rm {} \;

hellojinjie

// 第一个是原文的，但是不对的，下面的第二个是我修改的。
// original from http://jamiedubs.com/ps1-collection-customize-your-bash-prompt
// export PS1="\[\e[01;32m\]\u@\h \[\e[01;34m\]\W \`if [ \$? = 0 ]; then echo -e '\e[01;32m:)'; else echo -e '\e[01;31m:('; fi\` \[\e[01;34m\]$\[\e[00m\] "

export PS1="\[\e[01;32m\]\u@\h \[\e[01;34m\]\W \`if [ \$? = 0 ]; then echo -e '\[\e[01;32m\]:)'; else echo -e '\[\e[01;31m\]:('; fi\` \[\e[01;34m\]$\[\e[00m\] "

hellojinjie

// 哼，这是个坑，我会跟你说嘛。。。

Double num = Double.NaN

// :(
if (num == Double.NaN) {
    System.out.println(num);
}

// :)

hellojinjie

#!/usr/bin/env bash
java -jar dbmigrate.jar $*

# 在 windows 中编辑的 shell 脚本复制到 linux 运行出现 : No such file or directory 错误
# 你绝对想不到，上面的代码在 shell 看来应该是下面这样的

#!/usr/bin/env bash^M
java -jar dbmigrate.jar $*^M

# 运行 dos2unix ，去掉 \r 即可。

hellojinjie

$ redis-cli incr next.news.id
(integer) 1
$ redis-cli set news:1:title "Redis is simple"
OK
$ redis-cli set news:1:url "http://code.google.com/p/redis"
OK
$ redis-cli lpush submitted.news 1
OK