Stateful computations in F# with update monads
Most discussions about monads, even in F#, start by looking at the well-known standard monads for handling state from Haskell. The reader monad gives us a way to propagate some read-only state, the writer monad makes it possible to (imperatively) produce values such as logs and the state monad encapsulates state that can be read and changed. These are no doubt useful in Haskell, but I never found
tinholes - performant, strongly typed lenses in Clojure
In a previous post, I built up a framework for lens-like constructs in Clojure: essentially some fancified versions of assoc-in and get-in to allow for bidirectional transformations along the nesting path and some utilities to generate special-purpose getter/setter functions. The name, "pinhole," is supposed to suggest a more primitive, utilitarian mechanism for achieving focus. While still ruing
Making Hybrid Images
This article was ported from my old Wordpress blog here, If you see any issues with the rendering or layout, please send me an email. The Mona LisaLeonardo da Vinci’s Mona Lisa is one of the most famous paintings of all time. And there has always been a discussion around her enigmatic smile. He used a trademark Renaissance technique called sfumato, which involves many thin layers of glaze mixed wi
PyCon JP 2014 Slides | PyCon JP 2014 in TOKYO
Talks Day 1 Talk Sessions Djangoによるスマホアプリバックエンドの実装 Yuichi Nakazawa, Kazuhiko Kakita [Description] [Video] [Slides] Deep Learning for Image Recognition in Python (ja) Hideki Tanaka [Description] [Video] [Slides] Programming the Performance Co-Pilot toolkit (en) Nathan Scott [Description] [Video] [Slides(PDF)] Djangoアプリケーション、パフォーマンスチューニング Hiroki KIYOHARA [Description] [Video] [Slides] The esperanto
Modern C++ use in Chromium
This document lives at src/styleguide/c++/c++11.html in a Chromium checkout and is part of the more general Chromium C++ style guide. It summarizes the supported state of new and updated language and library features in recent C++ standards and the Abseil library. This guide applies to both Chromium and its subprojects, though subprojects can choose to be more restrictive if necessary for toolchai
http://arxiv.org/pdf/1312.5602v1.pdf
Playing Atari with Deep Reinforcement Learning Volodymyr Mnih Koray Kavukcuoglu David Silver Alex Graves Ioannis Antonoglou Daan Wierstra Martin Riedmiller DeepMind Technologies {vlad,koray,david,alex.graves,ioannis,daan,martin.riedmiller} @ deepmind.com Abstract We present the first deep learning model to successfully learn control policies di- rectly from high-dimensional sensory input using rei
Hacker's guide to Neural Networks
Note: this is now a very old tutorial that I’m leaving up, but I don’t believe should be referenced or used. Better materials include CS231n course lectures, slides, and notes, or the Deep Learning book. Hi there, I’m a CS PhD student at Stanford. I’ve worked on Deep Learning for a few years as part of my research and among several of my related pet projects is ConvNetJS - a Javascript library for
What is gained and lost with 63-bit integers?
Almost every programming language uses 64-bit integers on typical modern Intel machines. OCaml uses a special 63-bit representation. How does it affect OCaml? OCaml int memory representation Most of OCaml’s types are in memory represented as a header followed by data. The header is a 64-bit integer containing the length of the data and a tag. Tag is a rough classification of the type. The only OCa
Trees as Linked Lists in Common Lisp
If you are starting to learn Common Lisp, and have already read the chapter about “Cons” from an introductory book (also called cons cells), then you could try the following exercise. How to represent a tree using nothing but conses; and abstract that implementation with functions to create and traverse the tree. PLEASE NOTE, that if you need to represent trees in a production program you shouldn’
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Computing the Remedian in Clojure - adereth
http://lama.univ-savoie.fr/decap/
A non-recursive sorting algorithm
(fourth RacketCon): Neil Toronto — Purely Functional 3D in Typed Racket
マカフィー株式会社 プレスリリース - マカフィー、iPad、iPhone、iPod touch用のセキュリティ製品を発表 2010年6月28日
Collaborative Mathematics with SageMathCloud and Google Cloud Platform
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