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38:57

Find the Right Abstraction Level for Your Tests

Posted by Gerard Meszaros  on  Sep 19, 2014

Gerard Meszaros advises on using the right abstraction level and automation tools when creating unit or system-level tests.

40:33

Data, Visibility, and Abstraction

Posted by Stuart Sierra  on  Jul 15, 2013 1

Stuart Sierra introduces some general guidelines for designing systems which make their data and abstractions more transparent to developers, using code examples in Clojure.

37:25

Engines of Abstraction

Posted by Jim Duey  on  Jun 13, 2013 1

Jim Duey surveys several abstraction techniques that can help in writing reusable code in Clojure.

Expressing Abstraction - Abstracting Expression

Posted by Ola Bini  on  Nov 01, 2012 2

Ola Bini attempts to answer a few questions: Why are new languages still being created, Is it worth choosing languages strategically, and Does language actually matter?

The Mapping Dilemma

Posted by David Nolen  on  Dec 15, 2011 3

David Nolen critiques the tools, languages and methodologies used today from the perspective of solving the “mapping dilemma”, introducing match, a pattern matching library for Clojure.

Clojure: The Art of Abstraction

Posted by Alex Miller  on  Aug 09, 2011 1

Alex Miller presents some of the abstractions that make Clojure a great language: Collections, Sequence and Higher Order Functions, Multimethods, Protocols, Atoms, Macros, and others.

Abstractions at Scale–Our Experiences at Twitter

Posted by Marius Eriksen  on  Dec 14, 2010 1

Marius Eriksen considers that scalability problems appear when leaky abstractions are used, exemplifying with RDBMS, GC, and threads, presenting abstractions that help dealing with scalability issues: map-reduce, shared-nothing web applications, big table, all providing narrow access to explicit resources.

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