AWESOME piece of technology! Very well thought and created, a jquery editor
awesome page with lots of arduino hardware and hacks. I want them all!
Great web and great tool for website optimization, testing, etc.. (paid, not free)
Vanity is an Experiment Driven Development framework for rails and a/b testing
Catalog of Patterns of Enterprise Application Architecture
Ruby training and competition, with quizes and solutions. good training!
Great place to learn web design, web programming and ios development
AWESOME presentation on extending ruby with ruby. Great insights and functionality!
Great cookbook with tricks and recipes for coffeescript!
DDD for rails developers (first part, with links to the rest of the parts). Great resurce to start cleaning your rails app ASAP!
Explanation about coupling in object oriented design, nice examples!
On sql window functions and performance, with ruby examples!
Everything developers need to know about SQL performance
Introduction to parallel programming and mapreduce by Google Code University. cool!
Great resource for having a first contact with cloud computing patterns, architectures and designs
Awesome page for vim learning. Quite advanced but there are lots of great competitions!
Web de la empresa de SEO donde trabaja la moza de Gonzalo (utopicus)
lots of tricks you did not know you could make with rails. Interesting :)
The smallest possible rails app, great for researching rails core!
Awesome place for css tricks and tips. Also a great source of inspiration.. or copy-targets!
On forking application servers and memcached (unicorn, rainbows..)
Great article on maximizing performance in a single heroku dyno with thin
Central de delitos telemáticos de la Guardia Civil para denunciar o informar de estafas, phising, scams, spam y todo lo que se te ocurra.
The basic place to learn and reference bash scripting. The most hated but useful language ever!
This is the blog of Ilya Grigorik, a nice chap and awesome blogger! He writes about eventmachine, fibers, concurrency, HTML5, SPDY... it's awesome!
Best site ever to learn new tricks, solve problems or just spend some time hanging out!
Data Structures and Algorithms with Object-Oriented Design Patterns in Ruby
Awesome site with lots of resources on web application security, penetration and testing.
Great blog post on applying event machine to resque workers
Great page on map reduce and algorithms. Thanks to @Elias!
Great presentation on eventmachine, just an introduction
A visual explanation of the different types of SQL joins, very instructive!
Great presentation on ruby memory management and garbage collection, with lots of C code!
This is the code example for a small talk about eventmachine. Simple but interesting.
A great article on how eventmachine really works. It even has code in C/C++ to explain things!
This is a mythical article on the C10K problem: what would happen if 10k concurrent clients connect to me? A must-read!
Stanford Security Laboratory, with links to security classes, material, practices, lectures, readings..
Structure and Interpretation of Computer Programs, a great free resource on learning how to program. It uses Scheme as a teaching language.
Learn Vim Progressively is a great guide and planning document on learning vim for your everyday use
The edge version of the Rails Guides, one of the best resources for learning ruby on rails
Initial page for joxeanpiti's blog on barrapunto. Has lots of awesome stuff on inverse engineering, fuzzying and cracking.
Advanced cache techniques for rails. Covers some great stuff that is not available in the guides nor the api!
Index post for a series of articles about ruby and rails internals.
Great introduction to css3 animations, transitions and transformations
Great introduction to serving rails with rvm, nginx, unicorn and upstart.