hjhjw1991

#!/usr/bin/env python
#-*-encoding:utf-8-*-

import chardet
import argparse
import os
parser = argparse.ArgumentParser()
parser.add_argument("dir", help="directory where all files will be converted")
parser.add_argument("-r", "--recursive", action="store_true", help="do convertion recursively")
parser.add_argument("-e", "--extension", help="only convert files with specific extension")

hjhjw1991

# upgrade all pip packages. need sudo permission. path of pip should be modified
pip freeze --local|grep -v '^-e' | cut -d = -f 1 | xargs sudo /usr/local/bin/pip install -U

hjhjw1991

import java.util.Random;

/**
 * 此类提供一系列产生随机数的方法，以满足不同用例需要
 * from Internet
 * @author crazymonkey
 */
public final class NumberRandom {
    // 随机数对象
    private static Random random;

hjhjw1991

#!/bin/bash
# Info   : install tools for ubuntu
# Author : elain                             
# CTime  : 2011.08.01 
# update by HJ 2015.05.15
# run under root or with sudo

#-------------------------------------------
#---------     删除一些没用的软件       ------------
#--------------------------------------force-yes  -y-------