Posts

• Sep 28, 2026 From Jekyll to Hugo: A Bilingual Site Migration on AI age, Step by Step
• Sep 27, 2026 Introducing has_subtypes: a new Ruby on Rails association
• Dec 6, 2015 Learning to Program in Go
• Aug 1, 2015 Small Books That Can Change the World: Part 2
• Nov 3, 2014 Entrepreneurship: You Need to Take 100% Responsibility
• Oct 31, 2014 Git for IT Managers: The Commands Used 90% of the Time
• Oct 29, 2014 Entrepreneurship: Persistence versus Stubbornness
• Oct 28, 2014 Entrepreneurship: Never Confuse Reputation with Status
• Oct 27, 2014 Entrepreneurship: The Rat Race Is a Completely Different Concept from Surplus Value
• Jul 8, 2013 Follow the Seesaw Style
• Jun 4, 2013 Experience Is Not the Same as Competence
• May 26, 2013 Small Books That Can Change the World
• May 24, 2013 Five Tips for Speaking English Naturally
• Mar 31, 2013 How to Make Decisions — Model: Language
• Feb 26, 2013 Let's Study Computing
• Feb 15, 2013 How to Choose a Name for an Event Website
• Feb 6, 2013 IT Professionals Are Not Superheroes
• Jan 24, 2013 Follow the DDD Method
• Jan 15, 2013 How to Make Decisions (Part 2)
• Jan 6, 2013 A Brief History of the Internet
• Dec 31, 2012 How to Make Decisions
• May 3, 2012 Web Usability: Input Masks in Forms
• Mar 29, 2011 Nerd Talk: A Birthday in Binary
• Mar 28, 2011 The First Robot (republication from PragProg)
• Aug 11, 2010 Ruby and Education: A Match Made in Heaven (republished from RubyLearning)
• Aug 9, 2010 Nerd Talk: Nerd 2.0
• Aug 3, 2010 Learn BDD by Playing Dice — eBook
• Aug 3, 2010 Learn BDD by Playing Dice — eBook
• Jul 8, 2010 Web Accessibility — Thesis
• Jul 6, 2010 Functional Programming and Loops (republished from Rails Spikes)
• Jun 9, 2010 Good or bad? The customer decides!
• May 12, 2010 Updating the TinyMCE Editor
• Nov 20, 2009 The Pomodoro Time Management Technique
• Nov 15, 2009 Tips for Computer Classes - The Question Game
• Sep 28, 2009 Let's Study Computing!
• Sep 14, 2009 The Beginning of the Digital Age (republished from Make)
• Sep 5, 2009 Do-It-Yourself Manifesto! (republished from Ulla-Maaria)
• Aug 30, 2009 Let's Honor Galileo!
• Aug 23, 2009 Playing with Binary Numbers
• Aug 21, 2009 Introduction to the Assembly Language
• Jul 9, 2009 fupload - A Visual FoxPro Script for Uploading Files
• Jul 3, 2009 The Path to Success
• Jun 25, 2009 Nerd Talk: Getting Real About Your Career
• Jun 24, 2009 Nerd Talk: A Conversation About Programming Languages
• Jun 22, 2009 Tutorial: Git for Designers
• Jun 14, 2009 Accessing Twitter via the Interactive Ruby Shell (irb)
• Jun 14, 2009 Nerd Talk: Drawing with the Right Side of the Brain
• Jun 12, 2009 Ruby + irb + utility-belt + gedit = :)
• Jun 7, 2009 10 Mistakes That Hinder English Learning
• Jun 7, 2009 An Introduction to Git for Designers
• May 29, 2009 Do We Lose Customers for Stupid Reasons?
• May 29, 2009 Sometimes Schools Get It Terribly Wrong!
• May 28, 2009 Tables on the Web Should Be Super Lean!
• May 26, 2009 How to change the DOS font to Monaco
• May 16, 2009 Set Big Goals and Set Your Motivation Ablaze (republished from Effortless English)
• May 15, 2009 Let's Play at Learning English
• May 15, 2009 You're Not Stupid! (Translation)
• May 11, 2009 How to Become a Famous Rails Developer (Translation)
• May 10, 2009 Book Review: Reinventing Yourself
• May 5, 2009 English Deserves the Attention It Needs: Fall in Love with It
• May 4, 2009 Learning a New Language Is Like Being in Love (Translation)
• May 2, 2009 Why Should We Learn English?
• May 1, 2009 Learn English Naturally (Translation)
• Apr 28, 2009 Effortless English: Learning Without Unnecessary Effort
• Apr 27, 2009 Learn English with the Mastery Formula (Translation)
• Apr 26, 2009 Learning English
• Apr 26, 2009 Learning English, Part 2
• Apr 8, 2009 What Can I Say About Entrepreneurship?
• Mar 16, 2008 Would You Reconsider a Decision?
• Mar 6, 2008 Read More Books and Save Money at the Same Time!
• Jan 28, 2008 Scratch: The Simplest Programming Language I’ve Ever Seen!
• Jan 25, 2008 Enough Complaining!
• Jan 10, 2008 Image Optimization with IrfanView
• Nov 29, 2007 How the Ruby Language Can Help Captain Morrimento
• Nov 23, 2007 Web Standards and the Importance of Semantic Markup
• Oct 7, 2007 Children’s Finance Books—Children’s Day Promotion
• Aug 23, 2007 Ruby as a First Programming Language!
• Aug 5, 2007 Extreme Programming and Collective Intelligence
• Aug 5, 2007 Windows vs. Linux, or Spielberg vs. Chávez?
• Aug 2, 2007 Extreme Programming Is Definitely Not a Hack!
• Jul 31, 2007 1st Information Architecture Conference: A Must!
• Jul 31, 2007 Cineclube Mossoró: Promotion on the Web, Too
• Jul 31, 2007 Has Anyone Ever Had Bad Service at a Restaurant?
• Jul 31, 2007 Problems at the Internet Café
• May 22, 2007 Opportunities on the Web
• Dec 7, 2006 In Search of Simplicity