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%s/\(\d\)-\(\d\{3}\)-\(\d\{3}\)-\(\d\{4}\)/\1\2\3\4/g

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Backend Development

• node.js
  • Installation paths: use one of these techniques to install node and npm without having to sudo.
  • Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
  • Felix's Node.js Guide
  • Creating a REST API using Node.js, Express, and MongoDB
  • Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
  • JavaScript Event Loop
• Node.js for PHP programmers

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#!/bin/bash

eval `ssh-agent`
ssh-add

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Document doc = Jsoups.getDocByUrl(url);
TPGoods goods = new TPGoods();
goods.setId(Long.valueOf(url.substring(url.lastIndexOf("/") + 1, url.lastIndexOf("x.shtml"))));
goods.setRealUrl(url);
/* main */
Element main = doc.getElementById("main").getElementsByTag("div").first();

Element title = main.select("h1").first();
goods.setTitle(title.html());
Element time = main.select("li.time").first();

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#!/bin/bash

START_PORT=7100
COUNT=6

for port in $(seq $START_PORT `expr $START_PORT + $COUNT - 1`)
do
	dir="`pwd`/$port"
	mkdir $dir
	conf_file="$dir/$port.conf"

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#!/bin/sh
IPT=/sbin/iptables
LOCAL_IFACE=eth0
INET_IFACE=wlan0
INET_ADDRESS=192.168.21.231

# Flush the tables
$IPT -F INPUT
$IPT -F OUTPUT
$IPT -F FORWARD

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QQ的XML消息格式整理

QQ可以使用xml的方式发送消息，以下为了方便描述统称为卡片。

发送方式

通过机器人的API进行发送xml即可，但是如果选择发送xml，那么其他如[image=xxx]、[@xxx]这些命令就不可使用了。整个消息只有XML。

基本结构

xml主要由msg,item,source这3部分组成

<?xml version='1.0' encoding='utf-8' standalone='yes'?>

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词的分类

• 实词：名词、动词、形容词、状态词、区别词、数词、量词、代词
• 虚词：副词、介词、连词、助词、拟声词、叹词。

ICTPOS3.0词性标记集

n 名词

nr 人名

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0xa49E3733b98e34F2ad30559200f9c5D86f806a12

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ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz: