Damian Conway discusses what regexes really are, how they actually work, and how programmers can make use of their existing software development skills to construct correct and efficient regexes.
Josh Suereth discusses Scala: expressions, abstracting behaviors, FP & OOP, Futures & Promises, libraries with implicit classes and value classes, tracking lexical state with implicit values.
Marc-Daniel Ortega shares code snippets showing how to implement some logic in a functional language inspired by “Functional Programming in Scala”, avoiding the OOP influence.
Graham Markall covers some of the common problems that can occur from using the IEEE754 floating-point arithmetic, and what to do to avoid them in practice.
Tijs van der Storm discusses object algebras as a solution to the expression problem – the inability to extend functional programming languages.
Giovanni Asproni suggests that teams should not blindly embrace a methodology but rather create their own suiting their specific needs by using an approach based on patterns and pattern languages.
Philip Wadler presents a practical theory of language-integrated query based on quotation and normalization of quoted terms and a theorem guaranteeing that a host query generates a single SQL query.
The authors introduce a new language paradigm meant to enhance OOP with multi-dimensional context, providing details on context-based dispatch, and showing a glimpse of their early prototype.
Crista Lopes writes a program in multiple styles -monolithic/OOP/continuations/relational/Pub-Sub/Monads/AOP/Map-reduce- showing the value of using more than a style in large scale systems.
Alan Claypool discusses a methodology meant to bring coherence to an organization based on a strategic vision and clear focus on core values, over-communication and up-down accountability.
Torbjörn Gyllebring discusses the importance of organizational and personal mindset, and introduces the Rightshifting model which is meant to bring organizational effectiveness.
David Nolen keynotes on how developers learn as seen in a number of diverse examples drawn from objected oriented user interface programming to constraint logic programming.