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#การใช้ Git ฉบับรีบร้อน

##Git Git เป็น revision control แบบ distributed (หมายความว่าไม่มีศูนย์กลาง) และ แบบ non-linear history (หมายความว่ามีประวัติการเปลี่ยนแปลงแบบไม่ใช่เส้นตรง) ดังนั้นทำให้คอนเซปต์ของ Git นั้นต่างจาก revision control รุ่นก่อนหน้าหลายอย่าง

ต่อไปจะอธิบายย่อๆเรื่องคำสั่ง Git โดยอิงกับการทำงานใน GitHub เป็นสำคัญ (Git มีวิธีใช้พลิกแพลงมากมาย ไปศีกษาการใช้อื่นได้ด้วยการไป Google เอาเอง)

##clone

สมมุติว่ามี repository แห่งนีงใน GitHub เช่น https://github.com/norsez/projectA

armeo

WordPress Unit Tests Quick Start Guide

This quick start guide is geared towards installing PHPUnit on OSX in order to run the WordPress unit tests. It uses homebrew to install PHP using homebrew-php. You can likely skip this step if you've already got php and pear installed properly.

If you use MAMP, then try these instructions to use MAMP's php and pear to install PHPUnit.

install homebrew

ruby <(curl -fsSkL raw.github.com/mxcl/homebrew/go)

armeo

#!/bin/sh
sudo apt-get update
sudo apt-get install openjdk-6-jre
sudo apt-get install openjdk-6-jdk
sudo wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -
sudo sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ > /etc/apt/sources.list.d/jenkins.list'
sudo apt-get update
sudo apt-get install jenkins
sudo apt-get install ant

armeo

package com.squareup.alcatraz.auth;

import com.google.common.base.Optional;
import com.unboundid.ldap.sdk.Filter;
import com.unboundid.ldap.sdk.LDAPConnection;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.ldap.sdk.SearchRequest;
import com.unboundid.ldap.sdk.SearchResult;
import com.unboundid.ldap.sdk.SearchResultEntry;

armeo

Prereq:

apt-get install zsh
apt-get install git-core

Getting zsh to work in ubuntu is weird, since sh does not understand the source command. So, you do this to install zsh

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh

armeo

If you want, I can try and help with pointers as to how to improve the indexing speed you get. Its quite easy to really increase it by using some simple guidelines, for example:

- Use create in the index API (assuming you can).
- Relax the real time aspect from 1 second to something a bit higher (index.engine.robin.refresh_interval).
- Increase the indexing buffer size (indices.memory.index_buffer_size), it defaults to the value 10% which is 10% of the heap.
- Increase the number of dirty operations that trigger automatic flush (so the translog won't get really big, even though its FS based) by setting index.translog.flush_threshold (defaults to 5000).
- Increase the memory allocated to elasticsearch node. By default its 1g.
- Start with a lower replica count (even 0), and then once the bulk loading is done, increate it to the value you want it to be using the update_settings API. This will improve things as possibly less shards will be allocated to each machine.
- Increase the number of machines you have so

armeo

## Configure eth0
#
# vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE="eth0"
NM_CONTROLLED="yes"
ONBOOT=yes
HWADDR=A4:BA:DB:37:F1:04
TYPE=Ethernet
BOOTPROTO=static

armeo

docker run -d -p 11210:11210 -p 11211:11211 -p 8091:8091 -p 8092:8092 --name cb1 dustin/couchbase

for name in cb{2..5}; do 
    docker run -d --name $name dustin/couchbase
done

for name in cb{1..5}; do
    docker inspect -f '{{ .NetworkSettings.IPAddress }}' $name
done

armeo

# installs to /opt/gradle
# existing versions are not overwritten/deleted
# seamless upgrades/downgrades
# $GRADLE_HOME points to latest *installed* (not released)
gradle_version=1.11
wget -N http://services.gradle.org/distributions/gradle-${gradle_version}-all.zip
sudo unzip -foq gradle-${gradle_version}-all.zip -d /opt/gradle
sudo ln -sfn gradle-${gradle_version} /opt/gradle/latest
sudo printf "export GRADLE_HOME=/opt/gradle/latest\nexport PATH=\$PATH:\$GRADLE_HOME/bin" > /etc/profile.d/gradle.sh
. /etc/profile.d/gradle.sh

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apply plugin: 'checkstyle'

checkstyleMain {
    ignoreFailures = false
    reports {
        include ( '**/*.java')
        xml {
           destination "${rootProject.buildDir}/reports/checkstyle/main.xml" 
        }
    }