Recent posts stuff I'm writing about

01 Apr 2022 » Building and distributing a command-line app in Go

03 Mar 2022 » Should you document your code?

22 Feb 2022 » Transitioning projects to a new team

16 Feb 2022 » Optimizing your MySQL queries

07 Feb 2022 » GoF Design patterns that still make sense in Go

12 Jan 2022 » What to ask at job interviews when you are being interviewed

07 Jan 2022 » Why not build a Redis client in Golang?

30 Dec 2021 » Rate limiting HTTP requests in Go using Redis

12 Sep 2021 » Explicando optimistic locking

14 Jan 2021 » Building DigitalOcean's API gateway

15 Oct 2020 » Implementando uma hashtable em Java

19 Sep 2015 » Access denied instead of Not Found on S3 if you don't have listing rights

05 Sep 2015 » Na terra do Tio Sam - Meu primeiro aluguel

23 Aug 2015 » Building a simple long polling HTTP server with Scala and Netty

07 Aug 2015 » AWS quick tips - taking out your EC2 trash

26 Jan 2015 » Fighting procrastination

22 Jan 2015 » Chunking concepts to solidify and compress topics

17 Jan 2015 » Your brain on thinking and learning

12 Jan 2015 » Understanding Enumerable methods by re-implementing them in Ruby

06 Jan 2015 » Building a prefix tree (or trie) in Scala

25 Dec 2014 » Technologies I'll learn in 2015

23 Dec 2014 » Learning R - Part 2 - Making sense of data

03 Dec 2014 » Growing your experience with community participation

01 Dec 2014 » Learning R - Part 1 - Basics

01 Oct 2014 » Statistics is fun

14 Sep 2014 » Data Analysis and Statistical Inference - Week 1

04 Sep 2014 » Use your MongoDB `_id` field as your created at timestamp

01 Sep 2014 » Make the most of Amazon SQS in Ruby for your background worker needs

28 Aug 2014 » Why I am doing Coursera courses

16 Aug 2014 » Getting to know AWS CloudFormation and creating custom resources in Ruby

03 Aug 2014 » Quick tips for doing IO with Ruby

27 Jul 2014 » Mutability strikes again

01 May 2014 » Scala, promises, futures, Netty and Memcached get together to have monads

13 Apr 2014 » The "don't depend on a small gem" fallacy

08 Mar 2014 » Public methods are your public API

24 Feb 2014 » Going down the rabbit hole of Ruby's object conversions

17 Feb 2014 » Scala's Either, Try and the M word

09 Feb 2014 » Using foreman and environment variables to isolate and run your apps in development

01 Feb 2014 » Never match against Ruby's default exceptions at your tests

25 Dec 2013 » Learning Scala by building Scala - Lists and Option

08 Dec 2013 » Learning Scala by building Scala - Lists Part 2

25 Nov 2013 » Learning Scala by building Scala - Lists

18 May 2013 » mysql-async and postgresql-async 0.2.3 released!

13 May 2013 » Turning a synchronous client into async

29 Apr 2013 » Async database access with PostgreSQL, Play, Scala and Heroku

23 Sep 2012 » Contributing a new binding for MonoMac and making your MonoMac application updateable using Sparkle

21 Jul 2012 » Summary of Working Effecivelly with Legacy Code - Part 2

21 Jul 2012 » Summary of Working Effecivelly with Legacy Code - Part 1

30 May 2011 » Ruby Basics - Equality operators in Ruby

07 May 2011 » Criando um programador

27 Jan 2011 » Como ser chutado de uma avaliação pra uma vaga na fase de currículos

05 Jan 2011 » Agilidade, snake oil, power balances e a falácia do “nós somos diferentes”

24 Aug 2009 » Why I am not using Masochism for my master-slave setups and why monkey-patching isn’t the only solution

08 Jun 2009 » Quick Tip – Using to_s as a label and simplified link_to calls to your ActiveRecord models

04 Jun 2009 » Understanding class_eval, module_eval and instance_eval

09 Dec 2008 » SQL functions in WHERE clauses are evil

07 Nov 2008 » Porque é importante saber como o protocolo HTTP funciona

02 Nov 2008 » Why learning HTTP does matter

27 Sep 2008 » Including and extending modules in Ruby

27 Sep 2008 » Handling database indexes for Rails polymorphic associations

05 Mar 2008 » Unit tests don’t guarantee that your system works

27 Jan 2008 » Como tratar os seus testes?

20 Dec 2007 » Quem quer ser gerente?

Outdated stale, but nice as history

18 Jul 2011 » Using board games to teach object oriented analysis

25 Jan 2011 » Handling various rubies at the same time in your machine with RVM – Ruby Version Manager

13 Jan 2011 » Full text search in in Rails with Sunspot and Solr

31 Dec 2010 » Meu ambiente de desenvolvimento em 7 itens

25 Aug 2010 » Deployment Recipes – Deploying, monitoring and securing your Rails application to a clean Ubuntu 10.04 install using Nginx and Unicorn

28 Jul 2010 » Asynchronous email deliveries using Resque and resque_action_mailer_backend

09 Jun 2010 » Produzindo um avião com métodos ágeis

08 Nov 2009 » If you’re cleaning up your user’s input in your views you’re doing it wrong

28 Sep 2009 » Building your own ActiveRecord validation macros with validates_each

21 Sep 2009 » Setting a far future expires header for your Rails app static assets in your Nginx server

26 Aug 2009 » Accessing the current request object on your mailer templates to generate links

09 Jun 2009 » Setting up your Ruby on Rails application in an Ubuntu Jaunty Jackalope (9.04) server with Nginx, MySQL, Ruby Enterprise Edition and Phusion Passenger

06 Jun 2009 » Building a I18N aware form builder for your Rails applications

04 Jun 2009 » with_scope and named_scopes ignoring stacked :order clauses

02 Jan 2008 » De many-to-many para many-to-one com JPA