Test-Driven Development in Python (2 tags)
The goal of test-driven development is not to produce tests; they're merely a helpful by-product. The real goal is to produce elegant, working code. Jason Diamond demonstrates how test-driven development works using Python and PyUnit to create a sample event-tracking utility.
POJO Application Frameworks: Spring Vs. EJB 3.0 (2 tags)
Spring and EJB 3.0 are both reactions, in their own ways, to the complexity of EJB 2.1 and the complaints piled upon it. Both support developing with Plain Old Java Objects (POJOs) and give the framework responsibility for handling transactions, security, persistence, etc. But the two use substantially different approaches. In this article, Michael Yuan puts the two frameworks up against one another to see how they stack up.
Swarm Intelligence: An Interview with Eric Bonabeau (2 tags)
The concept of swarm intelligence is borrowed from nature, and in this interview with Eric Bonabeau, that's where the conversation begins--with ants and other social insects. Dr. Bonabeau takes us from his childhood nightmares of carnivorous wasps to applying the theories of swarm intelligence to solving real problems in the business world.
Interactive Debugging in Python (2 tags)
Debugging with print statements is alive and well. It's not the only way to do it, though. Python has a powerful interactive debugger that can let you get to the heart of your problem faster and more easily--if you know how to use it. Jeremy Jones shows off the features you absolutely must know.