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01:11:36

Refactoring in Java, Scala, and Clojure

Posted by Glen Peterson  on  Aug 02, 2014 2

Glen Peterson uses the Expression Problem to compare refactoring in Java, Scala and Clojure, showing how traits minimize changes in Scala when an interface changes and how Clojure avoids some issues.

44:26

Parallel-lazy Performance: Java 8 vs Scala vs GS Collections

Posted by Craig Motlin  on  Jul 24, 2014

Sponsored by Goldman Sachs. Java 8 has Streams, Scala has parallel collections, and GS Collections has ParallelIterables. How well do they perform?

01:17:28

Scala: The Good Parts

Posted by Jack Singleton  on  Jul 05, 2014

Jack Singleton discusses how to improve code readability and maintainability in Scala, and how to be productive with Options, Immutability, and the Collections library.

52:29

Building a Trading Platform in 6 Weeks in an Organization That Would Really Rather We Didn't

Posted by Lance Walton  on  Jun 22, 2014

Lance Walton shares the experience of a small team building a trading platform in 6 weeks in Scala and Lift while fighting against an opposing organizational culture.

01:10:48

Coding in Style: How to Wield Scala in the Trenches

Posted by Josh Suereth  on  Jun 22, 2014

Josh Suereth discusses Scala: expressions, abstracting behaviors, FP & OOP, Futures & Promises, libraries with implicit classes and value classes, tracking lexical state with implicit values.

45:54

The No-framework Scala Dependency Injection Framework

Posted by Adam Warski  on  May 30, 2014

Adam Warski shows how to replace features of DI containers with plain Scala code using MacWire, and adding interceptors using macros.

19:37

I Want to Believe (not sure yet)

Posted by Marc-Daniel Ortega  on  May 28, 2014

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.

51:31

Write Your Lisp in Scala

Posted by Stefan Chis  on  May 24, 2014

Stefan Chis demoes building a Lisp dialect in Scala, covering: parsing code, defining data types and functions, evaluating expressions, implementing higher order functions.

54:00

Scalaz 'For the Rest of Us'

Posted by Adam Rosien  on  May 23, 2014

Adam Rosien introduces scalaz, how to use it to make code simpler and type safer, how it compensates for Scala issues, and how it encapsulates DI and data validation.

25:32

Extreme Speedups and GPGPU: A Tale of Two Practical Uses of Reified Trees

Posted by Olivier Chafik  on  May 17, 2014

Olivier Chafik discusses how to make a practical use of reified trees in Scala, with two applications: run-time (re)compilation for extreme speed, and conversion to another language (OpenCL).

43:54

Playframework Scala: Democratizing Functional Programming for Web Developers

Posted by Sadek Drobi  on  May 17, 2014 1

Sadek Drobi introduces the Play Framework for developers interested in doing web programming in a functional language.

26:18

Between Zero & Hero - Tips & Tricks for the Intermediate-Level Scala Developer

Posted by Age Mooij  on  May 10, 2014

Age Mooij shares some tips&tricks for the Scala developer: type aliases, type and class tag, auto-lifted partial functions, nostacktrace, type classes, context bounds, low priority default implicits.

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