Episode 52: DSL Development in Ruby
In this episode, we're talking to Obie Fernandez about agile DSL development in Ruby. We started our discussion by defining what a DSL is, the difference between internal and external DSLs as well as the importance of the flexibly syntax of the host language in order to make DSLs worthwhile. We then looked at a couple of real world examples for DSLs, specifically, at Business Natural Languages. We then progressed to the main part of the discussions, which centered around the features of Ruby that are important for building DSLs. These include the flexible handling of parentheses, symbols, blocks as well as literal arrays and hashes. We then discussed Ruby's meta programming feautures and how they are important for building DSLs: instantiation, method_missing callback, class macros, top level functions and sandboxing. Features like eval, class_eval, instance_eval and define_method are also important for DSLs in Ruby, as well as using alias_method for simple AOP.

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Episode 21: Error Handling Pt. 2

Episode 21: Error Handling Pt. 2

In this Episode, Arno and Michael take a closer look at Exceptions and Error conditions, how to categorize them and how to deal with them. We look at the different levels of guarantee that a piece of ...

4 Heinä 200635min

Episode 20: Interview Michael Stal

Episode 20: Interview Michael Stal

In this Episode, we talk to Michael Stal, a Senior Principal Engineer at Siemens Corporate Technology, POSA 1 and 2 Co-Author and Editor of the german JavaSpetrum magazine. Since Michael's core focus ...

24 Kesä 200643min

Episode 19: Concurrency Pt. 2

Episode 19: Concurrency Pt. 2

In this second part of our concurrency series Michael and Alexander talk about basic patterns for concurrent programming, such as Active and Monitor Object, Scoped Locking and Futures. Further, they d...

14 Kesä 200627min

Episode 18: Resource Management

Episode 18: Resource Management

In this episode Michael and our guest Prashant Jain talk about patterns for resource management. Efficient management of resources is critical in the execution of any kind of software. Ranging from em...

4 Kesä 200643min

Episode 17: Feedback and Roadmap

Episode 17: Feedback and Roadmap

This is a short episode that outlines the upcoming episodes and interviews, as well as reports on some listener feedback.

29 Touko 200614min

Episode 16: MDSD Pt. 3, Hands-On

Episode 16: MDSD Pt. 3, Hands-On

This episode provides a hands-on guided tour through a simple model-driven software project. It is based on an actual code sample (see link below) and takes a look at the typical steps of real-life co...

25 Touko 20061h

Episode 15: The Future of Enterprise Java

Episode 15: The Future of Enterprise Java

A very important area for Java are Enterprise Systems. With the advent of new technologies like Ruby on Rails, Java EE 5 or EJB 3 the landscape for Enterprise Systems appears to be changing a lot at t...

15 Touko 200637min

Episode 14: Interview Ted Neward

Episode 14: Interview Ted Neward

In this Episode we talk to Ted Neward. Since Ted is active in the .NET and Java universes, we started out by discussing some of the differences between the two platforms. The main discussion, however,...

5 Touko 20061h 4min

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