Things I have written recently

• Consistent Design

  Features in any product vary in complexity. Designing for the median complexity and reusing the design is not a cost-effective practice.

  February 2021

• Interesting content (January 2018)

  Interesting books, talks and blog posts I have viewed or read during January 2018 and that I consider worth sharing for one reason or another.

  February 2018

• 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

Things I wrote some time ago

• 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.

• 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.

• 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.