by Carlos Ble | Sep 1, 2015 | Agile, Retrospectivas, Software Development
The 5th Socrates Conference in Germany has been my first continental Socrates Conference (I’ve been to UK twice plus another one in the Canaries). What a mind blowing unconference! I got even more value from Socrates than I expected! this has been the biggest in...
by Carlos Ble | Aug 12, 2015 | Free/Libre Software
I had to embed 50 pictures in a pdf file for print – don’t ask me why. Dependencies (on Debian): apt-get install imagemagick apt-get install pdftk This is the Python script. It uses commands “montage” (from imagemagick) and pdftk: from...
by Carlos Ble | Aug 12, 2015 | Clean code
There are many ways to work with collections. We are following Microsoft Guidelines for Collections plus some ideas that Kent Beck explains in Implementation Patterns. I’ve created a repository with code examples so that anyone can play with them. All the unit...
by Carlos Ble | Jul 30, 2015 | Software Development
An aggregate is particular kind of entity so first of all we need to know whether the model is an entity or a value object. Once we know it’s an entity let’s figure out whether it is an aggregate. A transaction should modify a single aggregate instance so...
by Carlos Ble | Jul 28, 2015 | Software Development
Cualquiera que esté aprendiendo puede beneficiarse de tener un blog. En la profesión de desarrollador uno aprende constantemente por lo que tener un blog es imprescindible en mi opinión. Es importante que entiendas que estas escribiendo para tí, para tu...
by Carlos Ble | Jul 23, 2015 | Clean code, Test Driven Development, Testing
Among other qualities good tests should be easy to read, quick to understand. When the test requires complex data structures to be sent to the SUT or to be part of a stubbed answer, it takes longer to read. Moreover those structures use to evolve as the production...
by Carlos Ble | Jul 1, 2015 | Agile, Software Development
The title of this post is redundant, pair programming is already a productivity technique. That’s my understanding or pair programming not just two people sitting together. Two people may code together for learning or mentoring purposes, however we pair for...
by Carlos Ble | Jun 23, 2015 | Clean code, Software Development
The default generation of Equality members provided by Resharper let you choose three different implementations when overriding the “Equals” method in a class (Alt+Insert -> Equality Members): The default choice is “Exactly the same type as...
by Carlos Ble | Jun 21, 2015 | aida, Software Development
A ViewModel is one of the three parts that comprises the MVVM (Model View View-Model). This pattern is a variation of the Presentation Model (M. Fowler). In the Presentation Model, as opposed to Passive View, the “controller” doesn’t hold any...
by Carlos Ble | Jun 21, 2015 | aida, Clean code, Software Development, Software Development
Heuristics, bad smells and principles in the design of our Windows 8 app, which shares the core domain with a rich JavaScript client application. In Par I, we exposed some of the difficulties we were facing when modeling. How we are working today: Our repositories...