The article below was originally written by Kasper Timm Hansen (@kaspth on github & twitter) about his work during the Google Summer of Code 2013. Kasper and I worked a lot changing the underlying implementation of the sanitize helper to give Rails developers a more robust, faster and secure solution to sanitize user input. This … »

Rails 4 supports arrays fields for PostgreSQL in a nice way, although it is not a very known feature. In order to demonstrate its usage it’s useful to explain the context where this was used. PostgreSQL Arrays and Rails Migrations Suppose we have a Product model with the following fields: name, category_id and tags. The … »

When we start programming with Ruby, one of the first niceties we learn about are the Ruby blocks. In the beginning it’s easy to get tricked by the two existing forms of blocks and when to use each: %w(a b c).each { |char| puts char } %w(a b c).each do |char| puts char end The … »

The first post of Low Internal Software Quality series. Not only physical matter deteriorates, software does too It’s known that physical matter deteriorates. People accept that and have always dealt with it. What people don’t accept so easily is that software “deteriorates” too. Unlike physical matter, it doesn’t happen due to some physical or chemical … »

Swift has been recently announced by Apple and I have been reading the docs and playing with the language out of curiority. I was pleasantly surprised with many features in the language, like the handling of optional values (and types) and with immutability being promoted throughout the language. The language also feels extensible. For extensibility, … »

One of the most common questions discussed among the Agile Community is what should be done when a team doesn’t finish a user story (US) in a sprint? How can people track the progress made on an incomplete user story? In this blog post, I’ll share our approach to this question. According to the community, … »