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Pragmatic Real-World Scala

Jonas Bonér talks about Scala showing the benefits of OO, the type system, closures, high-order functions, immutability, Actors, then using ORM, AOP, DI and Testing with Scala.

Jonas Bonér
on Jul 16, 2009

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59:08
Three Years of Real-World Ruby

Martin Fowler talks about ThoughtWorks's experience with using Ruby on client projects for the past three years.

Martin Fowler
on Jul 12, 2009

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59:07
Writing DSLs in Groovy

After a short introduction to DSLs, Scott Davis plays with the keyboard showing how to approach the creation of a DSL by typing working snippets of Groovy code that get executed.

Scott Davis
on Jun 29, 2009

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59:55
JRuby: Power on the JVM

In this presentation from QCon London, Ola Bini shows how JRuby is implemented, how it's optimized and what it can be and what it is used for.

Ola Bini
on Apr 17, 2009

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01:05:40
Evolving the Java Platform

Ola Bini talks about the current status of the JVM regarding languages running on top of it and the need to evolve in order to support dynamic languages.

Ola Bini
on Mar 23, 2009

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43:04
Ruby VMs: A Comparison

A look at the different Ruby virtual machines (JRuby, MagLev, IronRuby, Rubinius, MacRuby) and how to choose what fits best within the enterprise.

Jason Seifer
on Feb 26, 2009

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28:58
JRuby: The Pain of Bringing an Off-Platform Dynamic Language to the JVM

Charles Nutter discusses bringing JRuby to the JVM, why Ruby is hard to implement, JIT compilation, precompilation, core Ruby implementation, Java library access, library challenges and future plans.

Charles Nutter
on Jan 07, 2009

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01:05:01
Fast Bytecodes for Funny Languages

Cliff Click discusses how to optimize generated bytecode for running on the JVM. Click analyzes and reports on several JVM languages and shows several places where they could increase performance.

Cliff Click
on Dec 02, 2008

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33:46
Clojure

Rich Hickey discusses Clojure features and syntax, example code, functional programming, concurrency semantics, transactions, software transactional memory, agents, implementation and pain points.

Rich Hickey
on Nov 20, 2008

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29:48
The Maxine VM

Bernd Mathiske discusses Maxine VM, Java compatibility, swapping major VM components, research areas, Object handling, code examples, optimizing compiler, snippets, bytecode generation, JNI and JIT.

Bernd Mathiske
on Nov 16, 2008

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58:11
Concurrency: Past and Present

Brian Goetz discusses the difficulties of creating multithreaded programs correctly, incorrect synchronization, race conditions, deadlock, STM, concurrency, alternatives to threads, Erlang, Scala.

Brian Goetz
on Aug 26, 2008

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59:59
Mock Roles Not Object States

Nat Pryce and Steve Freeman talk about TDD using Mock Objects. Mock Objects improves the software design and makes the code more easier to maintain and adapt to changing requirements.

Steve Freeman Nat Pryce
on Aug 10, 2008

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58:51