Welcome to issue 211 of the HWN, a newsletter covering developments in the Haskell community. This release covers top stories found around the net between January 01 to 14, 2012.
This is going to be a shorted version, as I have been out of time. I did not want to let more time go by without a heartbeat from your friendly HWN. Happy coding! You can find an HTML version at: http://contemplatecode.blogspot.com/2012/01/haskell-weekly-news-issue-211.html Quotes of the Week * <ddarius> xtalmath: #math or #not-math would probably be a more appropriate place to ask. <shachaf> ddarius: Those two channels pretty much cover it all. <ddarius> shachaf: You're clearly not an intuitionist. * monochrom: in fact, freedom is the freedom to write 2.2 = 4 * Jafet: caleskell is the standard golf course. * byorgey: Escaped skolem! Authorities mount massive search. News at 11. * BMeph: loves swapping function arguments, he said flippantly * kmc: "Haskell is great, because Curry-Howard! Proving things in the type system. We can prove that, uh, Ints exist, unless they're [bottom]." * Jafet: In Soviet Russia, State executes you * byorgey: that would be known as "low-dimensional linear algebra", where "low-dimensional" is said in as condescending a tone as possible * monochrom: at a crossroad you meet an angel (always tells the truth) or demon (always lies). the crossroad gives you two choices of roads, one to heaven, one to hell, and only the angel or demon knows which is which. if you ask "how would you answer if I asked 'what is a monad?'", what will happen? Top Reddit Stories * Dropbox tech blog » Using the Dropbox API from Haskell Domain: tech.dropbox.com, Score: 68, Comments: 4 On Reddit: [1] http://goo.gl/rsndV Original: [2] http://goo.gl/g3RyF * A new approach to iteratees Domain: self.haskell, Score: 48, Comments: 99 On Reddit: [3] http://goo.gl/ZRbGW Original: [4] http://goo.gl/ZRbGW * Haskell / Repa Real-Time Ray Tracing Demo Domain: youtube.com, Score: 45, Comments: 7 On Reddit: [5] http://goo.gl/rzyZs Original: [6] http://goo.gl/15P2V * Order theory for computer scientists Domain: matt.might.net, Score: 39, Comments: 1 On Reddit: [7] http://goo.gl/nTOfr Original: [8] http://goo.gl/HAVjQ * Generalizing Streams into Coroutines (with an introduction to functors, applicative functors and arrows) Domain: github.com, Score: 38, Comments: 15 On Reddit: [9] http://goo.gl/hUopY Original: [10] http://goo.gl/avTUf * Well-Typed are hiring: Haskell consultant Domain: well-typed.com, Score: 38, Comments: 71 On Reddit: [11] http://goo.gl/Chu7f Original: [12] http://goo.gl/VHPfJ * Why iteratees are hard to understand Domain: blog.ezyang.com, Score: 34, Comments: 11 On Reddit: [13] http://goo.gl/LrEoV Original: [14] http://goo.gl/d1scG * Modern reall-world Haskell? Domain: self.haskell, Score: 33, Comments: 21 On Reddit: [15] http://goo.gl/l0Aud Original: [16] http://goo.gl/l0Aud * FRP: reactive-banana is getting dynamic event switching Domain: apfelmus.nfshost.com, Score: 30, Comments: 3 On Reddit: [17] http://goo.gl/dGblT Original: [18] http://goo.gl/ovRE5 * wxHaskell and wxWidgets 2.9 Domain: wewantarock.wordpress.com, Score: 29, Comments: On Reddit: [19] http://goo.gl/sxiBx Original: [20] http://goo.gl/878Aj * Updated Yesod blog example: i18n, authentication, authorization, and database Domain: yesodweb.com, Score: 28, Comments: 22 On Reddit: [21] http://goo.gl/4eDAT Original: [22] http://goo.gl/duzSG * Experiments in Haskell Packaging Domain: justhaskell.org, Score: 27, Comments: 5 On Reddit: [23] http://goo.gl/y2vHk Original: [24] http://goo.gl/0nADv * http-conduit Domain: yesodweb.com, Score: 26, Comments: 26 On Reddit: [25] http://goo.gl/gisUJ Original: [26] http://goo.gl/mMhaf * Reasoning about Stream Processing with Effects Domain: personal.cis.strath.ac.uk, Score: 26, Comments: 6 On Reddit: [27] http://goo.gl/3Ckzr Original: [28] http://goo.gl/Uw8ZO * Simon Marlow's Parallel and Concurrent Programming Haskell (slides) Domain: self.haskell, Score: 26, Comments: 3 On Reddit: [29] http://goo.gl/Rg0Lz Original: [30] http://goo.gl/Rg0Lz * Who is my Community? -- wxHaskell maintainer's thoughts on C bindings Domain: wewantarock.wordpress.com, Score: 26, Comments: On Reddit: [31] http://goo.gl/tcqZN Original: [32] http://goo.gl/mRwQa Top StackOverflow Questions * Fun with repeated fmap votes: 26, answers: 1 Read on SO: [33] http://goo.gl/T2FPm * Can a compiler automatically detect pure functions without the type information about purity? votes: 23, answers: 2 Read on SO: [34] http://goo.gl/wgYim * What does “floated out” mean? votes: 21, answers: 2 Read on SO: [35] http://goo.gl/8J3no * Haskell projects to study and learn from? votes: 19, answers: 2 Read on SO: [36] http://goo.gl/SHwsZ * How do you identify monadic design patterns? votes: 19, answers: 4 Read on SO: [37] http://goo.gl/dE3EJ * how do I get good (small) shrinks out of QuickCheck? votes: 16, answers: 0 Read on SO: [38] http://goo.gl/X3ZOs * Which applicative functor is used for passing shared parameters? votes: 14, answers: 1 Read on SO: [39] http://goo.gl/UxmZK * Double map in haskell? votes: 12, answers: 2 Read on SO: [40] http://goo.gl/uWpuz * Higher ranked and impredicative types votes: 12, answers: 1 Read on SO: [41] http://goo.gl/zpkXn * Handling events in Haskell votes: 12, answers: 1 Read on SO: [42] http://goo.gl/e7sV9 * Does the term “monadic” in J have anything to do with its Haskell use? votes: 12, answers: 4 Read on SO: [43] http://goo.gl/hTa2j * Any good articles on optimizing Haskell code? votes: 12, answers: 2 Read on SO: [44] http://goo.gl/FzRrf * What is a “free variable”? votes: 11, answers: 2 Read on SO: [45] http://goo.gl/Og5SC * Haskell Thread Communication Pattern Scenario votes: 10, answers: 1 Read on SO: [46] http://goo.gl/3Rzq0 * Defining a function by equations with different number of arguments votes: 10, answers: 1 Read on SO: [47] http://goo.gl/hejqO * What functionality do you get for free with Functors or other type-classes? votes: 10, answers: 5 Read on SO: [48] http://goo.gl/9hSlv * Why are types with no data constructors valid? votes: 10, answers: 1 Read on SO: [49] http://goo.gl/Pp6Ze * Folding flatMap/bind over a list of functions (a.k.a. Name That Combinator!) votes: 9, answers: 2 Read on SO: [50] http://goo.gl/bBtBI Until next time, Daniel Santa Cruz References 1. http://tech.dropbox.com/?p=129 2. http://www.reddit.com/r/haskell/comments/o0j2a/dropbox_tech_blog_using_the_dropbox_api_from/ 3. http://www.reddit.com/r/haskell/comments/ohjg7/a_new_approach_to_iteratees/ 4. http://www.reddit.com/r/haskell/comments/ohjg7/a_new_approach_to_iteratees/ 5. https://www.youtube.com/watch?v=jBd9c1gAqWs 6. http://www.reddit.com/r/haskell/comments/o0im2/haskell_repa_realtime_ray_tracing_demo/ 7. http://matt.might.net/articles/partial-orders/ 8. http://www.reddit.com/r/haskell/comments/o6nnp/order_theory_for_computer_scientists/ 9. https://github.com/leonidas/codeblog/blob/master/2012/2012-01-08-streams-coroutines.md 10. http://www.reddit.com/r/haskell/comments/o87z5/generalizing_streams_into_coroutines_with_an/ 11. http://www.well-typed.com/blog/63 12. http://www.reddit.com/r/haskell/comments/odv3t/welltyped_are_hiring_haskell_consultant/ 13. http://blog.ezyang.com/2012/01/why-iteratees-are-hard-to-understand/ 14. http://www.reddit.com/r/haskell/comments/o2p3p/why_iteratees_are_hard_to_understand/ 15. http://www.reddit.com/r/haskell/comments/o5iov/modern_reallworld_haskell/ 16. http://www.reddit.com/r/haskell/comments/o5iov/modern_reallworld_haskell/ 17. http://apfelmus.nfshost.com/blog/2012/01/01-frp-api-0-5.html 18. http://www.reddit.com/r/haskell/comments/nz0af/frp_reactivebanana_is_getting_dynamic_event/ 19. http://wewantarock.wordpress.com/2012/01/11/wxhaskell-and-wxwidgets-2-9/ 20. http://www.reddit.com/r/haskell/comments/oc8qi/wxhaskell_and_wxwidgets_29/ 21. http://www.yesodweb.com/blog/2012/01/blog-example 22. http://www.reddit.com/r/haskell/comments/of4g9/updated_yesod_blog_example_i18n_authentication/ 23. http://justhaskell.org/2012/01/02/experiments-in-haskell-packaging/ 24. http://www.reddit.com/r/haskell/comments/nzv56/experiments_in_haskell_packaging/ 25. http://www.yesodweb.com/blog/2012/01/http-conduit 26. http://www.reddit.com/r/haskell/comments/o5b4w/httpconduit/ 27. http://personal.cis.strath.ac.uk/~raa/posts/2012-01-06-streams.html 28. http://www.reddit.com/r/haskell/comments/o5ioy/reasoning_about_stream_processing_with_effects/ 29. http://www.reddit.com/r/haskell/comments/oaqsa/simon_marlows_parallel_and_concurrent_programming/ 30. http://www.reddit.com/r/haskell/comments/oaqsa/simon_marlows_parallel_and_concurrent_programming/ 31. http://wewantarock.wordpress.com/2012/01/12/who-is-my-community/ 32. http://www.reddit.com/r/haskell/comments/ogtos/who_is_my_community_wxhaskell_maintainers/ 33. http://stackoverflow.com/questions/8736995/fun-with-repeated-fmap 34. http://stackoverflow.com/questions/8760956/can-a-compiler-automatically-detect-pure-functions-without-the-type-information 35. http://stackoverflow.com/questions/8779390/what-does-floated-out-mean 36. http://stackoverflow.com/questions/8703319/haskell-projects-to-study-and-learn-from 37. http://stackoverflow.com/questions/8777216/how-do-you-identify-monadic-design-patterns 38. http://stackoverflow.com/questions/8788542/how-do-i-get-good-small-shrinks-out-of-quickcheck 39. http://stackoverflow.com/questions/8762943/which-applicative-functor-is-used-for-passing-shared-parameters 40. http://stackoverflow.com/questions/8735072/double-map-in-haskell 41. http://stackoverflow.com/questions/8739741/higher-ranked-and-impredicative-types 42. http://stackoverflow.com/questions/8780183/handling-events-in-haskell 43. http://stackoverflow.com/questions/8807539/does-the-term-monadic-in-j-have-anything-to-do-with-its-haskell-use 44. http://stackoverflow.com/questions/8832624/any-good-articles-on-optimizing-haskell-code 45. http://stackoverflow.com/questions/8857038/what-is-a-free-variable 46. http://stackoverflow.com/questions/8705332/haskell-thread-communication-pattern-scenario 47. http://stackoverflow.com/questions/8745597/defining-a-function-by-equations-with-different-number-of-arguments 48. http://stackoverflow.com/questions/8785311/what-functionality-do-you-get-for-free-with-functors-or-other-type-classes 49. http://stackoverflow.com/questions/8829194/why-are-types-with-no-data-constructors-valid 50. http://stackoverflow.com/questions/8716668/folding-flatmap-bind-over-a-list-of-functions-a-k-a-name-that-combinator
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