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Jay Fields presents his concept of Business Natural Languages (BNL). BNLs are a type of Domain Specific Language, designed to be readable by any subject matter expert, which allows to create maintainable specifications and documentation. The example language is shown using Ruby.
Blogger Gustavo Duarte cursed in church when he said that learning new programming languages is often a waste of time. He said that "In reality learning a new language is a gritty business in which most of the effort is spent on low-value tasks with poor return on time invested.". But not everyone agreed.
The videos from MountainWest RubyConf 2008 are all available for downloading from the Confreaks website. We selected a few videos and provide an overview and some entry points into the talks.
Ayende Rahien describes how to build internal DSLs on the CLR. He compares different .NET languages as suitable host languages for DSLs and presents Boo as an ideal candidate due to its meta programming facilities, flexibility, and performance.
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Aaron Erickson introduces his new LINQ extension Indexes for Objects (i4o). Indexes for Objects allows for fast lookup against in-memory collections while retaining the LINQ syntax and semantics. He also discusses how expression trees interact with LINQ and how they can be leveraged in other scenarios.
Werner Schuster walks us through a simple example of adding Java-style properties support (declarative getters, setters and change listeners) to Ruby classes via a Mixin by using elements of meta-programming. Introduces ideas for enhancement using principles of design-by-contract and pluggable type systems.
Ruby is often criticized for lacking the features required for developing large applications and maintaining them over long periods of time with large teams. Are we missing something fundamental for widescale adoption of Ruby in the enterprise?
Ryan Davis, known as "zenspider", is one of the highest-profile Rubyists in the world, and arguably one of the most influential ones. He is the author of a number of valuable Ruby open-source tools, including RubyInline and ZenTest. In this exclusive InfoQ interview, Ryan gives us a glimpse into how he has been pushing the envelope of what's possible with the Ruby language and runtime since 2000.
Ever wonder just how Rails declarations such as "has many" and "belongs_to" work? Ever wished you could write your own code that worked the same way? It turns out that this style of programming, often called metaprogramming, is easier than you might think. In this talk we'll see how Ruby's open classes, compile-time execution, and full meta-object model make it easy to write your own extensions.
