Lambda Calculus in Clojure (Part...
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- By Sandro Mancuso
- Posted 18 May 2012
Testing multiple properties with single assertion
Every time I was trying to test an object's properties I was neither satisfied writing very verbose tests nor in using some of the out of the box hamcrest matchers. Although using the matchers was a big help, I never managed to make them read...
- By Sandro Mancuso
- Posted 26 Mar 2012
Extract, Inject, Kill: Breaking hierarchies (part 3)
In part one I explain the main idea behind this approach and in part two I start this example. Please read parts one and two before reading this post Although the main ideas of Extract, Inject, Kill is already expressed, it's good to finish the...
- By Sandro Mancuso
- Posted 06 Mar 2012
Extract, Inject, Kill: Breaking hierarchies (part 2)
In part 1 of this post I explain the problems of using the template method in deep class hierarchies and how I went to solve it. Please read it before reading this post. Here is a more concrete example in how to break deep hierarchies...
- By Sandro Mancuso
- Posted 06 Mar 2012
Extract, Inject, Kill: Breaking hierarchies (part 1)
Years ago, before I caught the TDD bug, I used to love the template method pattern. I really thought that it was a great way to have an algorithm with polymorphic parts. The use of inheritance was something that I had no issues with. But...
- By Sandro Mancuso
- Posted 06 Feb 2012
Code coverage is a side effect and not an end goal time
In my previous life as a consultant, one of our clients hired us to "increase the code coverage" of their code base. We would not develop any new features or make any changes. They just wanted us to write tests. Basically they wanted us to...
- By Mashooq Badar
- Posted 14 Jan 2012
Musings on Zero Downtime Deployment
I've been thinking about Zero Downtime Deployment for the past few weeks. I even raised it as a discussion topic in our LSCC Roundtable. Here are the key points discussed. Obviously the feasibility/suitability completely depends on the application and platform architecture. Also this is not...
- By Mashooq Badar
- Posted 14 Jan 2012
Saxon XQuery With Multiple Documents
Saxon is a wonderful API for XML processing. It provides complete support for XPath, XQuery and XSLT. Although I'm always baffled with it's lack of adoption compared to Xalan and Xerces. Having said that the online documentation can definitely do with some improvement. The following...
- By Sandro Mancuso
- Posted 27 Oct 2011
Mentorship in Software Craftsmanship - part 3
In previous posts I covered: Part 1: Mentor and mentee roles, gains and sacrifices, mutual respect Part 2: How to choose mentors and mentees and mentorship misconceptions Walking the long road together (or at least part of it) Once the relationship between mentor and mentee...
- By Sandro Mancuso
- Posted 23 Oct 2011
Installing Io language on Ubuntu
Since I'm new to Ubuntu and I had a hard time installing Io language, I've decided to record my steps. Hopefully I'll remember all of them and other people won't struggle as much as I did. I'm running Ubuntu 11.10. The main problem I had...
- By Mashooq Badar
- Posted 21 Oct 2011
The difference between UI Designer and UI Developer
In a previous post I talked about developers distinguishing themselves as specialists in a particular part of the application e.g. server side, gui, database etc. This kind of specialisation is counter productive to creating good software. However, there are roles where the specialisation is important. One such...
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