Writing good unit tests, Part 1: Follow your GUTs – JavaWorld – Just like production code, test code needs to be rigorously examined to ensure it's clean and bug free. In this first half of a two-part article, Klaus Berg makes the case for why good unit tests are as important as high-quality production code, then provides a comprehensive listing of agile tools and best practices used to improve the internal quality of test code
Hadoop, Analytical Software, Finds Uses Beyond Search – NYTimes.com – MapReduce represented a couple of breakthroughs. The technology has allowed Google’s search software to run faster on cheaper, less-reliable computers, which means lower capital costs. In addition, it makes manipulating the data Google collects so much easier that more engineers can hunt for secrets about how people use the company’s technology instead of worrying about keeping computers up and running.
Useful scripts to plot charts in web pages – In this post I want to suggest you a list of some interesting scripts you can use to plot easily charts (line, area, pie, bar…) in your web pages using jQuery, MooTools, Prototype and other JS frameworks
The Positive Legacy of C++ and Java – In a recent discussion, there were assertions that C++ was a poorly-designed language. I was on the C++ Standards Committee for 8 years, and saw the decisions take place. I think it's helpful to understand the language choices for both C++ and Java in order to see the bigger perspective.
davber does IT » Groovy: Java++ by being Java– – Groovy is actually not a brand new language, but rather an extension of Java. The difference between this extension and that of, say C++ over C is that Groovy extends Java by simplifying constructs, ridding the developer of much of the repetitive rituals
Real World Haskell – Haskell is most likely quite different from any language you've ever used before. Compared to the usual set of concepts in a programmer's mental toolbox, functional programming offers us a profoundly different way to think about software