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Introduction to Artificial Neural Networks – Part 1
This is the first part of a three part introductory tutorial on artificial neural networks. In this first tutorial we will discover what neural networks are, why they're useful for solving certain types of tasks and finally how they work.
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How the kids stole the show: Young Coders tutorial at PyCon
Throughout the planning phases of PyCon 2013, for everything we did, we did it bigger than last year. Attendance? We raised the cap to 250...
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RethinkDB 1.7: hot backup, atomic set/get, 10x insert performance improvement
Etienne Laurin ( @atnnn ), an engineer at RethinkDB, introduces these new features in this one-minute video:
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What asm.js is and isn't
This is going to be a bit long, so tl;dr asm.js is a formalization of a pattern of JavaScript that has been developing in a natural way o...
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Diving into AngularJS
Andy Appleton is a web developer based in Berkshire, UK.
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Python's sad, unimaginative Enum
Welcome to my blog, which was once a mailing list of the same name and is still generated by mail. Please reply via the "comment" links.
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Parallelism and concurrency need different tools
In this piece, I disagree with Joe Armstrong and Rob Pike, basing my argument on the differences between vending machines and gift boxes (illustrated with drawings carefully prepared in Microsoft Paint).
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Node.js and the new web front-end
The Official Web Site of Nicholas C. Zakas
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Why the world needs Haskell
This is a technical review of Haskell and why software developers should care about functional programming. For a non-technical review of why your company should be using Haskell you might want to watch this introduction to Haskell video by FP Complete.
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The ﹤main﹥ element
Recently, main was formally added to the W3C HTML specification. Now that the dust has settled, it's about time we dive in to find out where and when it's appropriate to use main. Let's get started.
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RethinkDB 1.6 is out: regex matching, new array operations, random sampling
This release includes regex string matching, fourteen new array operations, support for random sampling, error handling improvements, support for authentication keys, and over 65 bug fixes, features, and enhancements.
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Exact numeric nth derivatives
Automatic differentiation is a well-studied technique for computing exact numeric derivatives. Dan Piponi has a great introduction on the subject , but to give you an overview, the idea is that you introduce an algebraic symbol such that but . Formulas involving are called dual numbers (e.g., , ) in much the same way…
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Clojure for the Brave and True – Functional Programming
So far, you’ve focused on becoming famil iar with the tools that Clojure provides: immutable data structures, functions, abstractions, and so on. In this chapter, you’ll learn how to think about your programming tasks in a way that makes the best use of those tools. You’ll begin integrating your experience into a new…
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Why Go?
Intrigued by the Go programming language.
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FP vs. OO, from the trenches
I’ve been programming for quite some time and have explored a variety of programming paradigms along the way. From time to time people will ask 1 which is better: functional programming or object-oriented programming. Having done both extensively in my time I can exclaim a resounding: it depends .
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How D3 Selections Work
In the past I have presented simplified descriptions of D3 ’s selections, providing only enough detail to get started. This article takes a more comprehensive approach; rather than saying how to use selections , I will explain how selections are implemented . This may take longer to read, but it should dispel any…
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On Python security amidst recent Rails/YAML vulnerabilities
The Rails community has had a few high-profile security issues this week. They are well-summarized, with an alarming list of what follow-ons to expect, by Patrick McKenzie: What the Rails Security Issue Means for Your Startup.
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Message threading (1997-2002)
In this document, I describe what is, in my humble but correct opinion, the best known algorithm for threading messages (that is, grouping messages together in parent/child relationships based on which messages are replies to which others.) This is the threading algorithm that was used in Netscape Mail and News 2.0…