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The essence of Event Sourcing

Event Sourcing is a somewhat trending topic, and you can find a lot of blog posts on what event sourcing supposedly is. I’ll throw my wrench in the works and try to explain what I see as “Event Sourcing”.

The Evil Defaults

Working on a project with a lot of legacy code always leaves good lessons. This time I’ll present you what I like to call “evil defaults”, pieces of code that can do a lot of harm in any software project.

Ready! Set! Retrospect! Breaking the ice on Agile Retrospectives

There are a lot of glitches or complications that might arise when facing retrospectives in which a team should come clean on opinions and experiences, about themselves or about each other. Let’s dig out and analyze some of the problems we could be facing and, hopefully, sweep them off the board.

6 tips for a powerful TDD session

TDD is ~95% practice. The theory about it is really simple. Practice is harder, and it's always beneficial to have some guidance as you practice it. Here's a quick list of six tips that may work for you!

Creating SVG animations with Snap.svg

Animations can go a long way in making your application feel more attactive, friendly and immersive. Using SVG as the foundation of them, you'll get resolution independent, responsive animations, that might otherwise be difficult to build. Let's see how we can create one...

CSS: From I hate it, to I actually like this thing

Do you feel hopeless when you have to work with css? Anxious knowing the site will break the minute you add a minor change to the styling? No more my friend! These 9 steps will make your life easier!

The Many Facets Of Quality

Some time ago, in a talk, someone asked "What is software quality, what gives quality to software?". My immediate half-joking answer was "Software shouldn't get in my way, that's quality!

There are null reasons

This post will try and maybe fail to convince you that using `null` in your code is an error. For those of you willing to listen, here are my reasons to stop using it.

Java generics and inheritance (part 1)

Types, Sets, variables and casting When you use a compile-time typed language, like Java, you expect that types in each variable will help you by restricting the possibilities for a value. Instead of

Trust in objects. They have the right to decide.

"Real devs don't use if". Why would somebody want to eliminate the if clause? What's wrong about it? Here I tell you why and an example on how to do it.

Software Existentialism

A few days ago, in an interesting discussion I was having in a local Agile forum, someone posted the phrase: Doing the right thing precedes doing things right The phrase caught my attention

About names when designing with objects

One of the recurrent problems I see when teaching OO design is the “names” used by the programmers to name classes, methods, etc.