Welcome to issue 309 of the HWN, an issue covering crowd-sourced bits of information about Haskell from around the web. This issue covers from September 28 to October 4, 2014 Quotes of the Week * Uh... I'ma have to read the IRC logs... No good quotes @remember'd Top Reddit Stories * Announcing needle: ASCII-fied arrow notation Domain: scrambledeggsontoast.github.io, Score: 103, Comments: 119 Original: [1] http://goo.gl/wCPh8K On Reddit: [2] http://goo.gl/UwTJSt * How we might abolish Cabal Hell, part 1 Domain: well-typed.com, Score: 95, Comments: 69 Original: [3] http://goo.gl/N19hPq On Reddit: [4] http://goo.gl/CQQRF0 * After some failed attempts to learn Parsec I came across this incredibly patient tutorial and now I'm writing parsers! Domain: github.com, Score: 79, Comments: 17 Original: [5] http://goo.gl/msqtkb On Reddit: [6] http://goo.gl/p3EgqQ * Neil Mitchell's Haskell Blog: Why Traversable/Foldable should not be in the Prelude Domain: neilmitchell.blogspot.co.il, Score: 71, Comments: 289 Original: [7] http://goo.gl/sykNse On Reddit: [8] http://goo.gl/4wIxBX * Tutorial: Implementing highly efficient data structures with Monoids and Fingertrees Domain: codementor.io, Score: 47, Comments: 37 Original: [9] http://goo.gl/WB7Jwg On Reddit: [10] http://goo.gl/jGrLX1 * There is No Haskell Topology Domain: immanence.org, Score: 45, Comments: 32 Original: [11] http://goo.gl/JAoEDw On Reddit: [12] http://goo.gl/wuuF4i * Introduction to Low Level Haskell Optimization - Dan Doel Domain: youtu.be, Score: 44, Comments: 2 Original: [13] http://goo.gl/vYS1Hy On Reddit: [14] http://goo.gl/dG9Pn5 * Turn an optparse-applicative program into a CGI program! Domain: github.com, Score: 39, Comments: 10 Original: [15] http://goo.gl/sjCqsb On Reddit: [16] http://goo.gl/BXxeno * Yesod 1.4 released Domain: yesodweb.com, Score: 36, Comments: 1 Original: [17] http://goo.gl/T5Vqe8 On Reddit: [18] http://goo.gl/977ey0 * Updating Auto-Update Domain: yesodweb.com, Score: 36, Comments: 20 Original: [19] http://goo.gl/OwOrGZ On Reddit: [20] http://goo.gl/J2zr5n * Type-safe Routing for Spock Web Framework released Domain: github.com, Score: 32, Comments: 39 Original: [21] http://goo.gl/QZS9gU On Reddit: [22] http://goo.gl/BokvJ8 * Lattice-Based Data Structures for Deterministic Parallel and Distributed Programming (related to CRDTs; implementation in Haskell) Domain: composition.al, Score: 30, Comments: 9 Original: [23] http://goo.gl/mVQqqX On Reddit: [24] http://goo.gl/tZ0XrW * A non-recursive sorting algorithm Domain: haskellexists.blogspot.com, Score: 27, Comments: 36 Original: [25] http://goo.gl/jD0z0K On Reddit: [26] http://goo.gl/3HpTBy * Dijkstra monads Domain: why-lambda.blogspot.co.uk, Score: 25, Comments: 4 Original: [27] http://goo.gl/kx1Q6w On Reddit: [28] http://goo.gl/C86igH * Improving Haskell-related documentation Domain: self.haskell, Score: 23, Comments: 62 Original: [29] http://goo.gl/rQeuUT On Reddit: [30] http://goo.gl/rQeuUT * Haskell, Monads and Purity • via Hacker News Domain: jelv.is, Score: 23, Comments: 11 Original: [31] http://goo.gl/vm7juH On Reddit: [32] http://goo.gl/1P5OgF * FP Complete is hiring: Systems engineer for cloud and cluster work Domain: fpcomplete.com, Score: 21, Comments: 11 Original: [33] http://goo.gl/MLT5Ud On Reddit: [34] http://goo.gl/Ql8uIX * The future of the haskell2010/haskell98 packages for GHC 7.10 Domain: haskell.org, Score: 21, Comments: 22 Original: [35] http://goo.gl/94bnK3 On Reddit: [36] http://goo.gl/0c80JU * ANN: Nomyx V0.7, the only game where you can change the rules Domain: self.haskell, Score: 20, Comments: 7 Original: [37] http://goo.gl/1gGtqb On Reddit: [38] http://goo.gl/1gGtqb * Let's Build a Browser Engine in Haskell: part 5 Domain: hrothen.github.io, Score: 19, Comments: 6 Original: [39] http://goo.gl/zzSF2D On Reddit: [40] http://goo.gl/9xzqdR Top StackOverflow Questions * How fundamentaly different push-pull and arrowized FRP are? votes: 10, answers: 0 Read on SO: [41] http://goo.gl/XbbbVW * What are hashes (#) used for in Haskell's library's source? votes: 10, answers: 1 Read on SO: [42] http://goo.gl/mvNNlb * What is the inverse of a promise? votes: 9, answers: 3 Read on SO: [43] http://goo.gl/usQIiW * Is there a default polymorphic unit type haskell votes: 7, answers: 1 Read on SO: [44] http://goo.gl/5Ozy9G * nvcc + c2hs on OS X 10.9.5 votes: 7, answers: 1 Read on SO: [45] http://goo.gl/0XMNFu * How to sort a list using partial order in Haskell? votes: 7, answers: 2 Read on SO: [46] http://goo.gl/GLMiwA * Relationship between forward and backward map in Isomorphism (Lens package) votes: 6, answers: 1 Read on SO: [47] http://goo.gl/icIdIR * How to implement a generic neural network efficiently in Haskell? votes: 6, answers: 0 Read on SO: [48] http://goo.gl/HIHY8e * How do I unify two or more Signals in elerea? votes: 6, answers: 1 Read on SO: [49] http://goo.gl/jacb0r * Ambiguous type variable fixed with type equality constraint votes: 6, answers: 1 Read on SO: [50] http://goo.gl/JADmBj Until next time, [51]+Daniel Santa Cruz References 1. http://scrambledeggsontoast.github.io/2014/09/28/needle-announce/ 2. http://www.reddit.com/r/haskell/comments/2hpzpu/announcing_needle_asciified_... 3. http://www.well-typed.com/blog/2014/09/how-we-might-abolish-cabal-hell-part-... 4. http://www.reddit.com/r/haskell/comments/2hvm59/how_we_might_abolish_cabal_h... 5. https://github.com/JakeWheat/intro_to_parsing 6. http://www.reddit.com/r/haskell/comments/2ia5u2/after_some_failed_attempts_t... 7. http://neilmitchell.blogspot.co.il/2014/10/why-traversablefoldable-should-no... 8. http://www.reddit.com/r/haskell/comments/2hzqii/neil_mitchells_haskell_blog_... 9. https://www.codementor.io/haskell-tutorial/monoids-fingertrees-implement-abstract-data?utm_source=reddit-tutorial&utm_medium=tutorial&utm_term=haskell-tutorial-apfelmus&utm_content=tutorial&utm_campaign=reddit-tutorial 10. http://www.reddit.com/r/haskell/comments/2i3ttm/tutorial_implementing_highly... 11. http://immanence.org/post/there-is-no-haskell-topology/ 12. http://www.reddit.com/r/haskell/comments/2i85k7/there_is_no_haskell_topology... 13. http://youtu.be/McFNkLPTOSY 14. http://www.reddit.com/r/haskell/comments/2hy6cp/introduction_to_low_level_ha... 15. https://github.com/maxpow4h/webcloud#webcloud 16. http://www.reddit.com/r/haskell/comments/2huhrg/turn_an_optparseapplicative_... 17. http://www.yesodweb.com/blog/2014/09/announcing-yesod-1-4 18. http://www.reddit.com/r/haskell/comments/2hvoxb/yesod_14_released/ 19. http://www.yesodweb.com/blog/2014/10/updating-auto-update 20. http://www.reddit.com/r/haskell/comments/2i5d7m/updating_autoupdate/ 21. https://github.com/agrafix/Spock 22. http://www.reddit.com/r/haskell/comments/2i2zfw/typesafe_routing_for_spock_w... 23. http://composition.al/blog/2014/09/29/my-thesis-defense-talk/ 24. http://www.reddit.com/r/haskell/comments/2i17zj/latticebased_data_structures... 25. http://haskellexists.blogspot.com/2014/09/a-non-recursive-sorting-algorithm.... 26. http://www.reddit.com/r/haskell/comments/2hsea9/a_nonrecursive_sorting_algor... 27. http://why-lambda.blogspot.co.uk/2014/09/dijkstra-monads.html 28. http://www.reddit.com/r/haskell/comments/2hzu5b/dijkstra_monads/ 29. http://www.reddit.com/r/haskell/comments/2i1z9u/improving_haskellrelated_doc... 30. http://www.reddit.com/r/haskell/comments/2i1z9u/improving_haskellrelated_doc... 31. http://jelv.is/blog/Haskell-Monads-and-Purity/ 32. http://www.reddit.com/r/haskell/comments/2i8tnl/haskell_monads_and_purity_vi... 33. https://www.fpcomplete.com/page/systems-engineer 34. http://www.reddit.com/r/haskell/comments/2hz6ue/fp_complete_is_hiring_system... 35. http://www.haskell.org/pipermail/glasgow-haskell-users/2014-September/025280... 36. http://www.reddit.com/r/haskell/comments/2i0bhr/the_future_of_the_haskell201... 37. http://www.reddit.com/r/haskell/comments/2hw529/ann_nomyx_v07_the_only_game_... 38. http://www.reddit.com/r/haskell/comments/2hw529/ann_nomyx_v07_the_only_game_... 39. http://hrothen.github.io/2014/10/01/lets-build-a-browser-engine-in-haskell-p... 40. http://www.reddit.com/r/haskell/comments/2i0wnr/lets_build_a_browser_engine_... 41. http://stackoverflow.com/questions/26164135/how-fundamentaly-different-push-... 42. http://stackoverflow.com/questions/26169990/what-are-hashes-used-for-in-hask... 43. http://stackoverflow.com/questions/26084439/what-is-the-inverse-of-a-promise 44. http://stackoverflow.com/questions/26097797/is-there-a-default-polymorphic-u... 45. http://stackoverflow.com/questions/26125870/nvcc-c2hs-on-os-x-10-9-5 46. http://stackoverflow.com/questions/26158233/how-to-sort-a-list-using-partial... 47. http://stackoverflow.com/questions/26082221/relationship-between-forward-and... 48. http://stackoverflow.com/questions/26092063/how-to-implement-a-generic-neura... 49. http://stackoverflow.com/questions/26104735/how-do-i-unify-two-or-more-signa... 50. http://stackoverflow.com/questions/26146983/ambiguous-type-variable-fixed-wi... 51. https://plus.google.com/105107667630152149014/about