githubutilities

Multiple SSH Keys for Multiple Github Accounts

Generate another ssh key

# generate ssh key and save to `id_rsa_another`
$ ssh-keygen -t rsa -C "[email protected]"

# save your key

Airplay Hacks

Turn your mac into airplay server

reflector
airserver

Extends your Mac screen with your iPhone or iPad

air-display

Some free or good VPS

Reference

freehao123

Encoding problem with `tar` file

Both 7zip and rar support international character, but since tar file does not have encoding attribute, it only support ascii character. For tar file that works on windows, it may encounter a character encoding problem in mac or linux.

Convert encoding of a text file

iconv --from-code=gb2312 --to-code=utf-8 < readme.txt > out.txt

Generating Pure Image Background

convert -size 1366x768 canvas:yellow  yello_bg.gif

Changing image background

fix cannot connect to iTunes store error

You may get this error if you change to Hong Kong apple server. To fix this problem, go to Settings > iTunes & App Store > Tap your apple account > change your region to US. Done!

Dev Env Setup for J2EE

install glassfish and tomcat by homebrew
install glassfish eclipse plugin by Help > Eclipse Marketplace

Installation

It seems that Oracle use glassfish for Java EE distribution on Mac. And there are modules directory under glassfish directory which contains javax.servlet and so on, refer to here.

Maven Usage Logs

add maven mirrors to settings.xml for faster download speed.

settings.xml may live in:

The Maven install: $M2_HOME/conf/settings.xml

A user’s install: ${user.home}/.m2/settings.xml

Use mvn archetype:generate to scaffolding

Mac OSX Finder Preference Little Experiment

.DS_Store known as Desktop Services Store, is used by Finder to store personal preference such as icon position and so on. It is good that Apple keep the preference locally by using .DS_Store but sometimes it might be annoying.

Experiment on `.DS_Store`

rearrange icon in your Picture folder
use Terminal to delete the .DS_Store file in Picture folder
relaunch Finder service using killall -KILL Finder command which will force Finder to reload .DS_Store

	using System;
	using System.Text;
	using System.Text.RegularExpressions;
	using System.IO;

	namespace KlerksSoft
	{
	public static class TextFileEncodingDetector
	{
	/*