Igor Moiseev moiseevigor

How to change Pantheon Terminal's color scheme

Many of us spend many hours of our days using their terminal. Plus, we all have different tastes when it comes to color schemes. That's why the ability to change the color scheme of a terminal is one of its more important featuresl. Throughout this tutorial, I'll teach you how you can change the looks of your terminal, step by step.

This tutorial is aimed at elementary OS users, but it also works for any Ubuntu user. Start by installing dconf-tools:

sudo apt-get install dconf-tools

Secondly, you need to decide which theme you're going to apply. You can find dozens of terminal color schemes online, you can even design your own using this web application. Design the color scheme, hit "Get Scheme" and choose "Terminator". You'll get a raw text file with a background color, a foreground color and a palette. Those strings define your color scheme. In this tutorial, I'll post an

Pub/Sub pattern with PostgreSQL's LISTEN/NOTIFY command

This is a simple chat-like program using pub-sub pattern, backed by PostgreSQL's LISTEN/NOTIFY command.

Publish

publish message to foo channel from user nickname.

$ python pub.py foo nickname
PUBLISH to channel #foo

This article has been given a more permanent home on my blog. Also, since it was first written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.

You're Missing the Point of Promises

Promises are a software abstraction that makes working with asynchronous operations much more pleasant. In the most basic definition, your code will move from continuation-passing style:

getTweetsFor("domenic", function (err, results) {
 // the rest of your code goes here.

	function disqusComments(cursor) {
	var api_key = "YOUR_API_KEY";
	var forum = "YOUR_FORUM";

	var url = "https://disqus.com/api/3.0/forums/listThreads.json?api_key=" + api_key + "&forum=" + forum; //+ "&limit=100";

	if (cursor) {
	url = url + "&cursor=" + cursor;
	}

	#!/usr/bin/python
	'''
	Author: Igor Maculan - [email protected]
	A Simple mjpg stream http server
	'''
	import cv2
	import Image
	import threading
	from BaseHTTPServer import BaseHTTPRequestHandler,HTTPServer
	from SocketServer import ThreadingMixIn

	<?php

	namespace Widop\Mink\Extension;

	/**
	* Dictionary to manage popups.
	*
	* @author Benjamin Lazarecki <[email protected]>
	*/
	trait PopupDictionary

	<!DOCTYPE html>
	<html>
	<head>
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1/jquery-ui.min.js"></script>
	<script type="text/javascript" src="js/ui.tabs.closable.js"></script>
	</head>

	<body>
	<script type="text/javascript">

	var express = require('express')
	, cookieSessions = require('./cookie-sessions');

	var app = express();

	app.use(express.cookieParser('manny is cool'));
	app.use(cookieSessions('sid'));

	app.get('/', function(req, res){
	req.session.count = req.session.count \|\| 0;

	#!/bin/bash -x

	DIR=/tmp/watchdog

	# Create dir if it doesn't exist
	if [ ! -d $DIR ]; then
	mkdir $DIR
	fi

	cd $DIR

	<?php

	/**
	* Created: Sat Aug 05 02:19:40 EDT 2006
	*
	* A base class for application wide E-Mail sending/logic inspired
	* by the Ruby on Rails ActionMailer.
	*
	* The Actionmailer is a hybrid of a Model and Controller since it
	* renders it's own views to be send out via mail. The easiest way to