Archive for June, 2011

What is software craftsmanship? In a previous blog post I attempted to define some of the fundamental concepts of what it is that I do on a daily basis. In the process of defining said foundations, I stumbled and stubbed my toe on another concept. Hidden inside the other, not unlike the layers of a […]

MapReduce is one of “those” buzz words that is going around at the moment. Mostly in part due to Google using it so successfully for their distributed indexing algorithms. So what is MapReduce? According to Wikipedia [] So MapReduce is an amalgamation of two higher order functions taken from functional programming. Map and Reduce :. […]

What is software engineering? If you’re in the industry or looking to get into the industry you’ll find yourself a little confused as to some of the labels and roles given to computer programmers. Programmer Developer Analyst Architect Engineer The first two terms are freely interchangeable, the dictionary term for a programmer is one who […]

Problems with the .NET 3.5 implementation During implementation of the same algorithm from Haskell to (Functional) C#, I found that I hit quite a large snag with .NET (3.5) number types. A fibonacci sequence very quickly accumulates into integers larger than an Unsigned Long can contain, in which case you would have to move to […]

Lambda calculus can be summed up doing very much with very little, sacrificing only readability. Personally i’ve found the inability to peform recusion with a lambda expression to be a little pain in what should be an elegant solution. Lets take a factorial for instance, how to write that as a lambda expression? The fathers […]

Learning a new programming language is perhaps one of the most rewarding experiences. You can learn about how another language performs a task, if it seems simpler how does this compare to your current language? Problem 4 from Project Euler goes something like the folowing. A palindromic number reads the same both ways. The largest […]

About Justin


Justin is a Senior Software Engineer living in Brisbane. A Polyglot Developer proficient in multiple programming languages including [C#, C/C++, Java, Android, Ruby..]. He's currently taking an active interest in Teaching Kids to Code, Functional Programming, Robotics, 3D Printers, RC Quad-Copters and Augmented Reality.

About This Blog

Software Engineering is an art form, a tricky art form that takes as much raw talent as it does technical know how. I'll be posting articles on professional tips and tricks, dos and donts, and tutorials.

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  • What I look for in a senior software engineer Justin Shield: […] I’m not going to list the design patterns that you’ll need, I’ve already [...]
  • Justin: Hi Ross, I do actually like Umbraco, it provides some nice abilities for creating websites that I [...]
  • Justin: Hi GordonBGood, Thanks for taking the time in replying. You're absolutely correct, it is turners s [...]
  • Ross Gallagher: Hi Justin, I'm a fellow Aussi looking to use Umbraco to create a simple website. I have downloaded [...]
  • GordonBGood: This is the "Turner Sieve" which **IS NOT** the Sieve of Eratosthenes (SoE) neither by algorithm nor [...]