Carlos Ble

Carlos Ble

I am a professional software developer, I solve problems.

I also teach and mentor developers to build better software.

Working as an independent professional since 2009.

Can I help you?

  • Do you need high quality tailor-made software?
  • Need training on TDD, clean code or refactoring?
  • Is it risky? do you need advise?
  • May I pair with you to write better code?


Upcoming public training courses:

  1. [in English] May 5, 6 & 7
    TDD - Train the Trainers (iSQI)
    Potsdam, Berlin
  2. [en Español] 23, 24 y 25 de Abril.
    Curso de TDD con examen de certificacion iSQI
  3. [en Español] 29, 30 y 31 de Octubre.
    Curso de TDD con examen de certificacion iSQI


  1. I'll be at SocratesUK 2014
  2. I'll be at the London Test Gathering Workshops.

problems with DOCTYPE and Javascript

The way in which the browser interpret the document change when the DOCTYPE changes. You can read about DOCTYPE here. The question is that you need to declare a DOCTYPE to build a valid document and there are several problems. One of this is that the way in which Firefox interprets javascript seems to be different when you add "DOCTYPE" to your document. I am using a fantastic library called Boxover to draw floating boxes but today it crashed when I added the DOCTYPE. Here is my little patch for this

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