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// beanshell preprocessor

import org.apache.commons.httpclient.auth.DigestScheme; // necessary imports
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.jmeter.protocol.http.control.Header;

long timestamp = System.currentTimeMillis() / 1000L;
String clientID = "***";
String clientSecret = "****";

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StarUML

Download: StarUML.io

Crack

Source: jorgeancal

After installing StartUML successfully, modify LicenseManagerDomain.js as follow:

/**

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Twelve Go Best Practices

Francesc Campoy Flores Gopher at Google @francesc http://campoy.cat/+

http://golang.org

• Best practices

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[program:redis]
command=/usr/local/bin/redis-server /storage/redis_data/redis.conf
directory=/storage/redis_data
user=root
autostart=false
stopsignal=QUIT

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ffmpeg Cheatsheet

• Join TS Files
• Convert TS to MP4
• Download Online AES-128 Encrypted HLS video
• Convert Video to GIF
• Extract Audio and Convert it to MP3
• Burn Subtitles into Video

Join TS Files

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---
- name: Add Percona apt signing key
  sudo: yes
  apt_key: keyserver=keys.gnupg.net id=1C4CBDCDCD2EFD2A state=present

- name: Add Percona repository
  sudo: yes
  apt_repository: repo='deb http://repo.percona.com/apt trusty main' state=present

- name: Add Percona source repository

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Installing SSHPASS

SSHPass is a tiny utility, which allows you to provide the ssh password without using the prompt. This will very helpful for scripting. SSHPass is not good to use in multi-user environment. If you use SSHPass on your development machine, it don't do anything evil.

Installing on Ubuntu

apt-get install sshpass

Installing on OS X

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cd ~/Downloads

wget http://repo.zabbix.com/zabbix/3.2/ubuntu/pool/main/z/zabbix-release/zabbix-release_3.2-1+xenial_all.deb

dpkg -i zabbix-release_3.2-1+xenial_all.deb

apt-get update

should add /etc/apt/sources.list.d/zabbix.list

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使用ffmpeg合并MP4文件

ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"

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#!/bin/bash
# ref-main: https://www.percona.com/doc/percona-server/5.5/installation/apt_repo.html
# ref-main: https://www.percona.com/doc/percona-server/5.6/tokudb/tokudb_installation.html
# ref: https://www.digitalocean.com/community/tutorials/how-to-install-a-fresh-percona-server-or-replace-mysql
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi

echo "Type your percona server root pasword:"