blueskyarea

#!/usr/bin/env python

import sys

IS_PYTHON2 = sys.version_info[0] == 2
if IS_PYTHON2:
  print 'Hello, version 2'
else:
  print 'Hello, version 3'

blueskyarea

# change color
$("#judge").css("color", "red");

# change text
$("#judge").text("right");

blueskyarea

# check cron status
(centos)
/etc/init.d/crond status

(ubuntu)
/etc/init.d/cron status
sudo service cron status

# edit own cron setting
crontab -e

blueskyarea

// add remote repository to local git
git remote add origin {remote repository url}

// pushes up the all repository
git push -u origin --all

// pushes up any tags
git push -u origin --tags

// cancel one before commit

blueskyarea

// get domain name(based on the request from the client.)
$_SERVER['HTTP_HOST'];

// move page
header('Location: {dest_url}');

// execute phpunit
phpunit --colors {file_name | directory_name}

// get own file path

blueskyarea

// connect remote server with ssh
ssh -p {port_number} {host_name(ip_address)}

// find file by last modified date(older than 30days ago).
find {target_directory} -mtime +30

// delete found files by find command
find ./ -name "{file_name}" -exec rm -rf {} \;

// replace part of file name(a to b)

blueskyarea

object CollectionMethods {
  def main(args: Array[String]): Unit = {
    val intList = List(1, 2, 3)
    val intList2 = List(Set(1, 2), Set(3, 4), Set(5, 6))
    val strList = List("Pink", "Blue", "Yellow")
    val mixList = List((1, "Pink"), (2, "Blue"), (3, "Yellow"))
    
    // foreach
    val listA = intList.foreach(f => f * 2)
    println("listA= " + listA)

blueskyarea

// login to mysql
mysql -u {user_name} -p

// export database to dump
mysqldump --single-transaction -u {user_name} -p {database_name} > /tmp/{file_name}.dump

// import database from dump
mysql -u {user_name} -p {database_name} < /tmp/{file_name}.dump

// show databases

blueskyarea

// use jquery
$(".submit-button").click(function(){
  if ($(this).hasClass("disabled")) return false;
  $(this).addClass("disabled");
});

//$(this).attr("disabled", "disabled"); // Not move on GoogleChrome