Posăceanu Marian marianposaceanu

CPU

L1 cache reference 0.5 ns
Branch mispredict 5 ns (on a bad CPU architecture you're pretty much screwed)
L2 cache reference 7 ns
Mutex lock/unlock 25 ns
Main memory reference 100 ns
Compress 1K bytes with Zippy 3,000 ns
Send 2K bytes over 1 Gbps network 20,000 ns
Read 1 MB sequentially from memory 250,000 ns

Sinatra like routes in Rails controllers

A proof of concept of having Sinatra like routes inside your controllers.

How to use

Since the router is gone, feel free to remove config/routes.rb. Then add the file below to lib/action_controller/inline_routes.rb inside your app.

Unix corner

Disk usage

df

Human readable file/folder size

du -hs /path/to/folder

Installation commands:

$ wget http://redis.googlecode.com/files/redis-2.4.8.tar.gz
$ tar xvfz redis-2.4.8.tar.gz 
$ cd redis-2.4.8/
$ mkdir -p /opt/redis
$ make PREFIX=/opt/redis install
$ cp redis.conf /opt/redis/redis.conf
$ chown -R redis:redis /opt/redis

in terminal

apt-get install pygments

in case the 'binary' pygmentize is not found

Download the most recent tarball from the here
Unpack the tarball
sudo python setup.py install

	require 'sinatra'
	require 'redis'
	require 'json'
	require 'date'

	class String

	def &(str)
	result = ''
	result.force_encoding("BINARY")

	//
	// Add this to plugin.js after the onload event
	//
	$.each(["keydown", "keyup", "keypress"], function(id,key_event_name) {
	$(document).on(key_event_name, function(e) {
	(e.keyCode == 37) ? window.location.href = $("a[rel='prev']").attr('href') : null;
	(e.keyCode == 39) ? window.location.href = $("a[rel='next']").attr('href') : null;
	});
	});

	/*
	* log= (insanity?)
	* http://benalman.com/
	*
	* Copyright (c) 2012 "Cowboy" Ben Alman
	* Licensed under the MIT license.
	*/

	Object.defineProperty(global, 'log', {
	set: function(args) {

	/**********************************************/
	/*
	/* IR_Black Skin by Ben Truyman - 2011
	/*
	/* Based on Todd Werth's IR_Black:
	/* http://blog.toddwerth.com/entries/2
	/*
	/* Inspired by Darcy Clarke's blog post:
	/* http://darcyclarke.me/design/skin-your-chrome-inspector/
	/*