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CentralNotice Haskell/Understanding arrows From Wikibooks, open books for an open world < Haskell Jump to: navigation , search Understanding arrows ( Solutions ) 1 The factory and conveyor belt metaphor 2 Plethora of robots 2.1 arr 2.2 (>>>) 2.3 first 2.4 second 2.5 *** 2.6 &&& 3 Functions are arrows 4 The arrow notation 5 Maybe functor 6 Using arrows 6.1 Stream processing 6.2 Avoiding leaks 6.2.1 So what's better? 6.2.2 Static and dynamic parsers 6.2.3 Arrow combinators (robots) 6.2.4 So what do arrows buy us in all this? 7 Monads can be arrows too 8 Arrows in practice 9 See also 10 Notes 11 Acknowledgements Advanced Haskell Monoids Applicative Functors Arrow tutorial Understanding arrows Continuation passing style (CPS) Value recursion (MonadFix) Zippers Mutable objects Concurrency edit this chapter We...

SoundCloud Space Odyssey 2001 Theme Trap Remix by MajorLeagueWobs published on 2014/10/10 23:25:42 +0000 Here you go! My remix of the legendary Space Odyssey Theme! Gotta love this legendary tune. I just wanted to give it the good 'ol trap touch. =) Thanks for all the amazing support! Serious music coming soon ;) Download Space Odyssey 2001 Theme Trap Remix Users who like Space Odyssey 2001 Theme Trap Remix Users who reposted Space Odyssey 2001 Theme Trap Remix Playlists containing Space Odyssey 2001 Theme Trap Remix Groups containing Space Odyssey 2001 Theme Trap Remix More tracks like Space Odyssey 2001 Theme Trap Remix License: all-rights-reserved You need to enable JavaScript to use SoundCloud Show me how to enable it Your current browser isn't compatible with SoundCloud. Please download one of our supported browsers. Need help? Chrome | Firefox | Safari | Interne...

Close Skip to main content sign in search jobs more jobs switch to the UK edition switch to the AU edition edition: US switch to the UK edition switch to the AU edition The Guardian Winner of the Pulitzer prize home › world › middle east africa australia UK europe americas asia home US world selected opinion sports soccer tech arts lifestyle fashion business money travel environment all sections close Syria Sorry, your browser is unable to play this video. Please install Adobe Flash ™ and try again. Alternatively upgrade to a modern browser. Syrian rebels release footage that purportedly shows the bombing of a government checkpoint in ru...

Close Skip to main content sign in search jobs more jobs switch to the UK edition switch to the AU edition edition: US switch to the UK edition switch to the AU edition The Guardian Winner of the Pulitzer prize home › world › middle east africa australia UK europe americas asia home US world selected opinion sports soccer tech arts lifestyle fashion business money travel environment all sections close Syria Sorry, your browser is unable to play this video. Please install Adobe Flash ™ and try again. Alternatively upgrade to a modern browser. Hand-held footage purportedly shows a Syrian boy rescuing a girl under sniper fire in Syria. The ...

CentralNotice Discrete wavelet transform From Wikipedia, the free encyclopedia Jump to: navigation , search An example of the 2D discrete wavelet transform that is used in JPEG2000 . The original image is high-pass filtered, yielding the three large images, each describing local changes in brightness (details) in the original image. It is then low-pass filtered and downscaled, yielding an approximation image; this image is high-pass filtered to produce the three smaller detail images, and low-pass filtered to produce the final approximation image in the upper-left. In numerical analysis and functional analysis , a discrete wavelet transform (DWT) is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet transforms, a key advantage it has over Fourier transforms is temporal resolution: it captures both frequency and location infor...

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Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Star 2 Fork 0 qpfiffer / waifu.xyz /.container /.repohead Code Issues Pull Requests Pulse Graphs HTTPS Subversion You can clone with HTTPS or Subversion . Download ZIP /.repository-sidebar Permalink blob contrib key: blob_contributors:v21:38de46cc4a5823499a2668839d2ce6f4 branch: master Switch branches/tags /.select-menu-header Branches Tags /.select-menu-tabs /.select-menu-filters master /.select-menu-item Nothing to show /.select-menu-list Nothing to show /.select-menu-list /.select-menu-modal /.select-menu-modal-holder /.select-menu waifu.xyz / src / server.c qpfiffer Nov 12, 2014 Holy shit we have static files. 1 co...

<![endif] Brave New Geek Skip to content Home About Tyler Tyler's Website #site-navigation #masthead by Tyler Treat Leave a reply .comments-link .entry-header If there's one thing to know about distributed systems, it's that they have to be designed with the expectation of failure . It's also safe to say that most software these days is, in some form, distributed—whether it's a database, mobile app, or enterprise SaaS. If you have two different processes talking to each other, you have a distributed system, and it doesn't matter if those processes are local or intergalactically displaced. Marc Hedlund recently had a great post on Stripe's game-day exercises where they block off an afternoon, take a blunt instrument to their servers, and see what happens. We're talking like abruptly killing instances here— kill -9 , ec2-terminate-instances , yanking on the d...

Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Star 21 Fork 1 narula / ddtxn /.container /.repohead Code Issues Pull Requests Pulse Graphs HTTPS Subversion You can clone with HTTPS or Subversion . Download ZIP /.repository-sidebar Research code for Doppel, an in-memory key/value transactional store 315 commits 1 branch 0 releases 1 contributor Go 83.6% Python 16.4% Go Python branch: master Switch branches/tags /.select-menu-header Branches Tags /.select-menu-tabs /.select-menu-filters master /.select-menu-item Nothing to show /.select-menu-list Nothing to show /.select-menu-list /.select-menu-modal /.select-menu-modal-holder /.sele...

H ome K ey-Value Store Introduction Documentation Design Recipes Ecosystem White Papers S QL Layer Introduction Documentation Performance R esources Blog Community Courses Videos C ompany About Us Contact Us Jobs Downloads Pricing Database technologies are undergoing rapid evolution, with new approaches being actively explored after decades of relative stability. As late as 2008, relational databases were both commercially dominant and well-entrenched in the development community. However, many large web applications had requirements that were poorly matched to relational databases, and alternative approaches had been demonstrated by Google's Bigtable and Amazon's Dynamo. As a result, new systems that abandoned the relational model were beginning to attract the attention of developers. The term "NoSQL" was first used in its current sense in 2...

Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Star 9 Fork 10 wso2 / caramel /.container /.repohead Code Issues Pull Requests Pulse Graphs HTTPS Subversion You can clone with HTTPS or Subversion . Download ZIP /.repository-sidebar A bootstrap project to create fully dynamic websites using jaggery 59 commits 6 branches 2 releases 9 contributors JavaScript 86.1% CSS 13.9% JavaScript CSS branch: master Switch branches/tags /.select-menu-header Branches Tags /.select-menu-tabs /.select-menu-filters 0.9.0.ALPHA1.wso2v1 /.select-menu-item 1.0.1 /.select-menu-item 4.2.0 /.select-menu-item caramel_for_carbon4.2.0 /.select-menu-item gh-pa...

Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Star 10 Fork 2 luniki / trails /.container /.repohead Code Issues Pull Requests Pulse Graphs HTTPS Subversion You can clone with HTTPS or Subversion . Download ZIP /.repository-sidebar A minimal web framework for PHP in the wake of RoR and Camping http://luniki.github.com/trails/ 79 commits 2 branches 12 releases 1 contributor PHP 76.5% JavaScript 22.3% Other 1.2% PHP JavaScript Other branch: master Switch branches/tags /.select-menu-header Branches Tags /.select-menu-tabs /.select-menu-filters gh-pages /.select-menu-item master /.select-menu-item Nothing to show /.select-menu-list ...

Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Star 0 Fork 1 zendesk / turtle /.container /.repohead Code Issues Pull Requests Pulse Graphs HTTPS Subversion You can clone with HTTPS or Subversion . Download ZIP /.repository-sidebar Headless browser testing client code against node.js applications 19 commits 6 branches 1 release 3 contributors JavaScript 100% JavaScript branch: master Switch branches/tags /.select-menu-header Branches Tags /.select-menu-tabs /.select-menu-filters master /.select-menu-item nherment/better_tests_maintainability /.select-menu-item nherment/for-initial-review /.select-menu-item nherment/serve_test_files_through_h...

Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Star 3 Fork 0 oscarpalmer / yogurt /.container /.repohead Code Issues Pull Requests Pulse Graphs HTTPS Subversion You can clone with HTTPS or Subversion . Download ZIP /.repository-sidebar Yogurt is a template language for PHP. 71 commits 2 branches 5 releases 1 contributor PHP 100% PHP branch: master Switch branches/tags /.select-menu-header Branches Tags /.select-menu-tabs /.select-menu-filters gh-pages /.select-menu-item master /.select-menu-item Nothing to show /.select-menu-list v1.1.0 /.select-menu-item v1.0.0-alpha.2 /.select-menu-item v1.0.0-alpha.1 /.select-menu-item v1....

Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Star 231 Fork 31 dcramer / mangodb /.container /.repohead Code Issues Pull Requests Pulse Graphs HTTPS Subversion You can clone with HTTPS or Subversion . Download ZIP /.repository-sidebar A database that operates at CLOUD SCALE 41 commits 1 branch 0 releases 17 contributors Python 100% Python branch: master Switch branches/tags /.select-menu-header Branches Tags /.select-menu-tabs /.select-menu-filters master /.select-menu-item Nothing to show /.select-menu-list Nothing to show /.select-menu-list /.select-menu-modal /.select-menu-modal-holder /.select-menu mangodb / 2 comments Merge p...

Maps & Radar Maps & Radar Radar Maps Interactive Radar Interactive Satellite WunderMap All Weather Maps Severe Weather Severe Weather U.S. Severe Weather Map Europe Severe Weather Map Hurricane & Tropical Cyclones Convective Outlook Tornadoes Winter Storms Wildfires Preparedness Weather Alerts News & Blogs News & Blogs Dr. Jeff Masters All Weather Blogs Recent News Stories Weather Infographics Photos & Video Photos & Video WunderPhotos Webcams Videos Historical Weather Climate Change Activities Activities Ski & Snow Reports Marine Weather Sailing Weather Site Map Personal Weather Station Network Mobile Apps Weather API for Developers Maps & Radar Radar Maps Interactive Radar Interactive Satellite WunderMap All Weather Maps Severe Weather U.S. Severe Weather Map Europe Severe Weather Map Hurricane & Tropical Cyclones Convective Outlook Tornadoes W...

Hide the Ads Loading... W eather Spark Beta Limited storage mode Save F C ▼ Sign Up / Log In Forecasts Dashboard Averages More ▼ Forecast (flash) Historical Weather Forecast Accuracy Global Warming Help Search Compare Forecasts Dashboard Averages History You must have javascript enabled to use WeatherSpark. A rich, interactive map with the current conditions from thousands of locations worldwide. Incredibly smooth radar playback for the last two hours - or any period in the last five years. US only, extended playback is subscription only Pan and zoom through a graphical forecast, seamlessly transitioning to averages and historical data. Compare the weather across locations for any time period. Multiple forecasts shown in seventeen gra...

A Neighborhood of Infinity google_ad_section_start(name=default) Saturday, March 17, 2012 Overloading Python list comprehension Introduction Python is very flexible in the way it allows you to overload various features of its syntax. For example most of the binary operators can be overloaded. But one part of the syntax that can't be overloaded is list comprehension ie. expressions like [f(x) for x in y] . What might it mean to overload this notation? Let's consider something simpler first, overloading the binary operator + . The expression a+b is interpreted as a.__add__(b) if a is of class type. So overloading + means nothing more than writing a function. So if we can rewrite list comprehensions in terms of a function (or functions) then we can overload the notation by providing alternative definitions for those functions. Python doesn't provide a facili...

A Neighborhood of Infinity google_ad_section_start(name=default) Friday, January 26, 2007 The Monads Hidden Behind Every Zipper Uustalu points out that behind every zipper lies a comonad. I used this in my cellular automaton example . What he doesn't mention is that there is also a monad lurking behind every zipper and that it arises in a natural way. The catch is that it's a monad in the wrong category making it tricky to express in Haskell. Firstly, what does "wrong category" mean? In the category of vector spaces, every object is equipped with a commutative binary + operator. We can make no such assumption in Haskell. What's more, Haskell doesn't easily allow us to restrict type constructors to instances of Num say. So we can't easily implement monads in the category of vector spaces as instances of Haskell's Monad bind return Num convolution > data Zip...

<![endif]  Menu Click here to return to Amazon Web Services homepage Sign Up Sign In English Explore AWS solutions and products Deutsch English Español Français Português Ρусский 日本語 한국어 中文 (简体) MY ACCOUNT AWS Management Console My Account Billing & Cost Management Security Credentials AWS & Cloud Computing Solutions Products Developers Training & Resources Support Partners Contact Us AWS & Cloud Computing INTRODUCTION TO AWS What is Cloud Computing? Choosing a Cloud Platform Customer Success Global Infrastructure GETTING STARTED Getting Started AWS Free Tier NEWS & MEDIA What's New AWS Blog Media Coverage Analyst Reports Solutions Websites & Web Apps Backup, Storage, & Archive ...

tmate is a fork of tmux . tmate and tmux can coexist on the same system, they do not conflict with each other. Mac OS X Boxen Ubuntu Arch From Source You need to have Homebrew installed as a prerequisite. brew update && \ brew tap nviennot/tmate && \ brew install tmate Here is a boxen recipe: homebrew::tap { 'nviennot/tmate': } -> package { 'tmate': ensure => present, } Ubuntu 12.04 and up have published packages for tmate. Please ask if you need support for more OSes. sudo apt-get install python-software-properties && \ sudo add-apt-repository ppa:nviennot/tmate && \ sudo apt-get update && \ sudo apt-get install tmate Unofficial AUR package: https://aur.archlinux.org/packages/tmate/ . To install, follow instructions from the Arch wiki . Grab the sources from github: https://github.com/nviennot/tmate . A few dependencies are required. T...

<![endif] Start Alexa Certify Javascript End Alexa Certify Javascript Sections Machines Discoveries Space Futures Culture Earth Videos About en_ca deutsch english español italiano nederlands portuguese VICE Share Tweet Motherboard Motherboard Watch Sections Machines Discoveries Space Futures Culture Earth Latest Videos Documentaries Interviews Machines Discoveries Space Futures Culture Earth Follow Newsletter Image: European Space Agency Written by November 12, 2014 // 06:00 PM CET The Philae lander successfully touched down on Comet 67P as of 16:03 GMT after a seven-hour descent Wednesday. This is the first time a sp...