Richard T. Miles RichardTMiles

Git Submodules - Basic Explanation

Why submodules?

In Git you can add a submodule to a repository. This is basically a sub-repository embedded in your main repository. This can be very useful. A couple of usecases of submodules:

Separate big codebases into multiple repositories.

Two way iframe communication

The main difference between the two pages is the method of sending messages. Recieving messages is the same in both.

Parent

Send messages to iframe using iframeEl.contentWindow.postMessage Recieve messages using window.addEventListener('message')

	echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
	. ~/.bashrc
	mkdir ~/local
	mkdir ~/node-latest-install
	cd ~/node-latest-install
	curl http://nodejs.org/dist/node-latest.tar.gz \| tar xz --strip-components=1
	./configure --prefix=~/local
	make install # ok, fine, this step probably takes more than 30 seconds...
	curl https://www.npmjs.org/install.sh \| sh

	#!/usr/bin/env bash
	# Run this script inside a SVN checkout of the project
	authors=$(svn log -q \| grep -e '^r' \| awk 'BEGIN { FS = "\|" } ; { print $2 }' \| sort \| uniq)
	for author in ${authors}; do
	echo "${author} = NAME <USER@DOMAIN>";

	<!doctype html>
	<title>Site Maintenance</title>
	<style>
	body { text-align: center; padding: 150px; }
	h1 { font-size: 50px; }
	body { font: 20px Helvetica, sans-serif; color: #333; }
	article { display: block; text-align: left; width: 650px; margin: 0 auto; }
	a { color: #dc8100; text-decoration: none; }
	a:hover { color: #333; text-decoration: none; }
	</style>

	# I miss 'watch' on OS X

	watch () {
	clear
	if [ -z $2 ]
	then
	time="5" # Saneish default
	watchedcmd=$1
	else
	time=$(echo $1 \| sed -e 's/-n//')

	# www.fduran.com
	# redirect from apache port (:8080 for ex for tomcat etc) to subdomain

	# in apache config:
	<VirtualHost *:80>
	ServerName subdomain.example.com
	ProxyPass / http://127.0.0.1:8080/
	ProxyPassReverse / http://127.0.0.1:8080/
	</VirtualHost>

	<?php
	// Output screenshot:
	// http://cl.ly/NsqF
	// -------------------------------------------------------

	include_once 'console.php';

	// ::log method usage
	// -------------------------------------------------------
	Console::log('Im Red!', 'red');

-# delete local tag '12345'
-git tag -d 12345
-# delete remote tag '12345' (eg, GitHub version too)
-git push origin :refs/tags/12345
-# alternative approach
-git push --delete origin tagName
-git tag -d tagName

	// this is the background code...

	// listen for our browerAction to be clicked
	chrome.browserAction.onClicked.addListener(function (tab) {
	// for the current tab, inject the "inject.js" file & execute it
	chrome.tabs.executeScript(tab.ib, {
	file: 'inject.js'
	});
	});