Things I have written recently

  • Interesting content (December 2017)

    Interesting books, talks and blog posts I have viewed or read during December 2017 and that I consider worth sharing for one reason or another.

    January 2018
  • The smell of that potion

    Some thoughts on Ruby, Rails, Elixir and Phoenix and how libraries, frameworks and communities influence the practices and the sustainability of languages.

    April 2016
  • Starting with EventMachine IV

    Using EventMachine is not easy and people make well known mistakes. Let's review the most common ones and find and explain the problems behind them.

    June 2013

Things I wrote some time ago

  • A useful shell function

    Nowadays it's very common to put some of your configuration values, like API secrets, in environment variables. But dealing with those variables can be painful.

  • Starting with EventMachine III

    The event loop and reactor pattern are the two patterns EventMachine is powered by . Understanding them is key to write successful EventMachine applications.

  • Starting with EventMachine II

    Writing evented code has implications that may not be explicit at first look. There are 3 aspects that will be affected: flow, program structure and testing.

  • Starting with EventMachine I

    Earlier this year I wrote a couple ruby programs using EventMachine. I found it hard to start with it and the documentation or tutorials scarce. Let's fix that.

  • I

    Internal vs. External DSL

    Lately I've been struggling with one of my apprentice tasks because I only knew about Internal DSLs. It turns out that there is another kind: external DSLs.

  • T

    The key to Ruby hashes is eql? hash

    I've been struggling for a few hours with key hashes in Ruby. We usually use primitive values as keys but what happens when we want to use one of our objects.

  • On code and natural language

    I gave a talk about the importance of code readability and how it is tightly related to code quality. But what is the readability level we should achieve?

  • 2011: a tale of two cities (part 2)

    This is the part of my 2011 retrospective. During the second half of the year a lot of interesting things happened to me, and most of them in Madrid.

  • 2011: a tale of two cities (part 1)

    This is my 2011 retrospective. A year that has been a life-changing one for me. In the first part of it I write about what took place in Valladolid.

  • A

    A fresh start

    A lot has changed since the last time I wrote a post. In this one I reflect about why this blog has been dead for months and what I'm going to do about it.

  • SC2011 or why you should learn English

    Instead of talking about Software Craftsmanship UK 2011 I will share my insights on why everyone in the software industry must understand and speak English.

  • P

    Pedigree vs Awesomeness

    Tom Preston-Werner gave the best definition of what University is to professionals in the programming field during his interview on the Teach me to code podcast.

  • I

    Inception at Wiseri: day 2

    Finishing the round up to the inception at Wiseri with the activities of the second day and the final conclusions about the results.

  • I

    Inception at Wiseri: day 1

    This week I attended an inception at Wiseri which was facilitated by Enrique Comba. I'll tell you what an inception is and what we did during the first day.

  • R

    RSS feed available

    The RSS feed is now available. Check out what I researched about the RSS specfication and how I have developed the feed using HAML and Sinatra.

  • D

    Developing my own blog

    The beginnings of my pet project: developing my blog using a custom blogging engine with Ruby, Sinatra and Heroku.

  • N

    No arrows in Vim

    Configure your Vim to disable the arrow keys and learn how to move with the right keys.

  • F

    February Kata: Roman Numerals

    Katacast showing the implementation of the Roman Numerals kata in Ruby with RSpec and Autotest. My February katacast for the 12 months 12 katas initiative.

  • Una semana en BeCode

    Retrospectiva de la semana que pasé en Valencia trabajando con la gente de BeCode.

  • J

    January Kata: String Calculator

    Katacast showing the implementation of the String Calculator kata in Ruby with RSpec and Autotest. My January katacast for the 12 months 12 katas initiative.