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June 04 2013

Four short links: 4 June 2013

  1. WeevilScout — browser app that turns your browser into a worker for distributed computation tasks. See the poster (PDF). (via Ben Lorica)
  2. sregex (Github) — A non-backtracking regex engine library for large data streams. See also slide notes from a YAPC::NA talk. (via Ivan Ristic)
  3. Bobby Tables — a guide to preventing SQL injections. (via Andy Lester)
  4. Deep Learning Using Support Vector Machines (Arxiv) — we are proposing to train all layers of the deep networks by backpropagating gradients through the top level SVM, learning features of all layers. Our experiments show that simply replacing softmax with linear SVMs gives significant gains on datasets MNIST, CIFAR-10, and the ICML 2013 Representation Learning Workshop’s face expression recognition challenge. (via Oliver Grisel)

February 08 2013

Distributed resilience with functional programming

Functional programming has a long and distinguished heritage of great work — that was only used by a small group of programmers. In a world dominated by individual computers running single processors, the extra cost of thinking functionally limited its appeal. Lately, as more projects require distributed systems that must always be available, functional programming approaches suddenly look a lot more appealing.

Steve Vinoski, an architect at Basho Technologies, has been working with distributed systems and complex projects for a long time, first as a tentative explorer and then leaping across to Erlang when it seemed right. Seventeen years as a columnist on C, C++, and functional languages have given him a unique viewpoint on how developers and companies are deciding whether and how to take the plunge.

Highlights from our recent interview include:

  • From CORBA/C++ to Erlang — “Every time I looked at it, it seemed to have an answer.” [Discussed at the 3:14 mark]
  • Everything old is new again — “Seeing people accidentally or by having to work through the problems, stumbling upon these old research papers and old ideas.” [7:20]
  • Erlang is not hugely fast — “It’s more for control, not for data streaming.” [16:58]
  • Webmachine — “[It's what you would get] If you took HTTP and made a flowchart of it … and then implement that flowchart.” [23:50]

  • Is Erlang syntax a barrier? [28:39]

Even if functional programming isn’t something you want to do now, keep an eye on it: there’s a lot more coming. There are many options besides Erlang, too!

You can view the entire conversation in the following video:

Related:

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