Welcome to issue 277 of the HWN, an issue covering crowd-sourced bits of information about Haskell from around the web. This issue covers the week of August 11 to 17, 2013. Quotes of the Week * psygnisfive: Seminearring is the task of giving seminars. * Taneb: You know you've made it when SPJ asks you for help with Haskell. * byorgey: . o O ( "For my next trick, I will CPS-encode this rabbit!" -- edwardk ) * shachaf: I prefer the cogolden rule: When CPS-transforming, doubt. * edwardk: "You see these scars? I got them back in 7.7." * danharaj: parsing is hard, let's go shopping Top Reddit Stories * Mio: A High-Performance Multicore IO Manager for GHC [pdf] Domain: haskell.cs.yale.edu, Score: 147, Comments: 31 On Reddit: [1] http://goo.gl/ZTy1Yl Original: [2] http://goo.gl/6foNWC * Destroying Performance with Strictness Domain: neilmitchell.blogspot.ru, Score: 92, Comments: 45 On Reddit: [3] http://goo.gl/1rkx3a Original: [4] http://goo.gl/rb5UnM * A great series of posts on the power of monoids Domain: self.haskell, Score: 78, Comments: 10 On Reddit: [5] http://goo.gl/TmAAwT Original: [6] http://goo.gl/TmAAwT * Cellular Automata by Edward Kmett Domain: fpcomplete.com, Score: 69, Comments: 7 On Reddit: [7] http://goo.gl/EIFK5A Original: [8] http://goo.gl/03mNhV * Elm 0.9 - New type checker, much better error messages Domain: elm-lang.org, Score: 50, Comments: 14 On Reddit: [9] http://goo.gl/ngSBPX Original: [10] http://goo.gl/4Jp3l6 * Revisiting Matrix Multiplication, Part I by Edward Kmett Domain: fpcomplete.com, Score: 45, Comments: 4 On Reddit: [11] http://goo.gl/gYfm5S Original: [12] http://goo.gl/bg75ZX * Revisiting Matrix Multiplication, Part II by Edward Kmett Domain: fpcomplete.com, Score: 37, Comments: 9 On Reddit: [13] http://goo.gl/qU2r69 Original: [14] http://goo.gl/5cRq72 * Roles: a new feature of GHC (patch GND + type families) Domain: typesandkinds.wordpress.com, Score: 34, Comments: 28 On Reddit: [15] http://goo.gl/HhVOTu Original: [16] http://goo.gl/Twx5YB * Type Inference, Haskell and Dependent Types :: PDF Domain: personal.cis.strath.ac.uk, Score: 33, Comments: 0 On Reddit: [17] http://goo.gl/MbtYGO Original: [18] http://goo.gl/uOx01F * Embedded Languages for High-Performance Computing [Chakravarty, PDF 70 slides] Domain: speakerdeck.com, Score: 31, Comments: 4 On Reddit: [19] http://goo.gl/mb2frN Original: [20] http://goo.gl/EEG0Wk * Graph drawing with gloss Domain: mazzo.li, Score: 30, Comments: 7 On Reddit: [21] http://goo.gl/j0CZmo Original: [22] http://goo.gl/5ZtFuu * Benchmarking sqlite-simple against Python and C Domain: nurpax.github.io, Score: 28, Comments: 9 On Reddit: [23] http://goo.gl/CNyjWa Original: [24] http://goo.gl/gFmWgT * What is "lifting"? Explained on stackoverflow Domain: stackoverflow.com, Score: 25, Comments: 7 On Reddit: [25] http://goo.gl/HzXWb9 Original: [26] http://goo.gl/hQxTce * GHC API: Interpreted, compiled and package modules Domain: parenz.wordpress.com, Score: 23, Comments: 0 On Reddit: [27] http://goo.gl/xUeUYq Original: [28] http://goo.gl/llQsyE * Time to start writing on the new binding: SDL 2.0 release. Domain: lists.libsdl.org, Score: 22, Comments: 15 On Reddit: [29] http://goo.gl/G0ut36 Original: [30] http://goo.gl/MuO1uB * FP Complete's Haskell programming competition now accepting entries Domain: fpcomplete.com, Score: 21, Comments: 7 On Reddit: [31] http://goo.gl/tbEBKG Original: [32] http://goo.gl/ADsrJ * Pretext by experiments and guesses Domain: fpcomplete.com, Score: 18, Comments: 15 On Reddit: [33] http://goo.gl/oVpKIe Original: [34] http://goo.gl/2PFthz Top StackOverflow Questions * Haskell random numbers suddenly start to “converge” after months of running votes: 30, answers: 1 Read on SO: [35] http://goo.gl/oxUAQ5 * Why does ghc generate so many useless-looking nested case expressions? votes: 10, answers: 1 Read on SO: [36] http://goo.gl/6cdTd1 Until next time, [37]+Daniel Santa Cruz References 1. http://haskell.cs.yale.edu/wp-content/uploads/2013/08/hask035-voellmy.pdf 2. http://www.reddit.com/r/haskell/comments/1k6fsl/mio_a_highperformance_multic... 3. http://neilmitchell.blogspot.ru/2013/08/destroying-performance-with-strictne... 4. http://www.reddit.com/r/haskell/comments/1ker84/destroying_performance_with_... 5. http://www.reddit.com/r/haskell/comments/1ka4q6/a_great_series_of_posts_on_t... 6. http://www.reddit.com/r/haskell/comments/1ka4q6/a_great_series_of_posts_on_t... 7. https://www.fpcomplete.com/user/edwardk/cellular-automata 8. http://www.reddit.com/r/haskell/comments/1kj5zh/cellular_automata_by_edward_... 9. http://elm-lang.org/blog/announce/version-0.9.elm 10. http://www.reddit.com/r/haskell/comments/1ka0ld/elm_09_new_type_checker_much... 11. https://www.fpcomplete.com/user/edwardk/revisiting-matrix-multiplication-par... 12. http://www.reddit.com/r/haskell/comments/1kecqt/revisiting_matrix_multiplica... 13. https://www.fpcomplete.com/user/edwardk/revisiting-matrix-multiplication-par... 14. http://www.reddit.com/r/haskell/comments/1khu61/revisiting_matrix_multiplica... 15. http://typesandkinds.wordpress.com/2013/08/15/roles-a-new-feature-of-ghc/ 16. http://www.reddit.com/r/haskell/comments/1kgivs/roles_a_new_feature_of_ghc_p... 17. https://personal.cis.strath.ac.uk/adam.gundry/thesis/ 18. http://www.reddit.com/r/haskell/comments/1k6g0w/type_inference_haskell_and_d... 19. https://speakerdeck.com/mchakravarty/embedded-languages-for-high-performance... 20. http://www.reddit.com/r/haskell/comments/1kc9j1/embedded_languages_for_highp... 21. http://mazzo.li/posts/graph-drawing.html 22. http://www.reddit.com/r/haskell/comments/1kb36j/graph_drawing_with_gloss/ 23. http://nurpax.github.io/posts/2013-08-17-sqlite-simple-benchmarking.html 24. http://www.reddit.com/r/haskell/comments/1kjpwz/benchmarking_sqlitesimple_ag... 25. http://stackoverflow.com/questions/2395697/haskell-newbie-question-what-is-l... 26. http://www.reddit.com/r/haskell/comments/1k7i4c/what_is_lifting_explained_on... 27. http://parenz.wordpress.com/2013/08/17/ghc-api-interpreted-compiled-and-pack... 28. http://www.reddit.com/r/haskell/comments/1kjl3h/ghc_api_interpreted_compiled... 29. http://lists.libsdl.org/pipermail/sdl-libsdl.org/2013-August/089854.html 30. http://www.reddit.com/r/haskell/comments/1k9wh8/time_to_start_writing_on_the... 31. https://www.fpcomplete.com/business/competition/competition-overview 32. http://www.reddit.com/r/haskell/comments/1k8ox7/fp_completes_haskell_program... 33. https://www.fpcomplete.com/user/tel/pretext-by-experiments-and-guesses 34. http://www.reddit.com/r/haskell/comments/1kkoup/pretext_by_experiments_and_g... 35. http://stackoverflow.com/questions/18200283/haskell-random-numbers-suddenly-... 36. http://stackoverflow.com/questions/18192184/why-does-ghc-generate-so-many-us... 37. https://plus.google.com/105107667630152149014/about