Welcome to issue 308 of the HWN, an issue covering crowd-sourced bits of information about Haskell from around the web. This issue covers from September 21 to 27, 2014 Quotes of the Week * No one @remember'd fun stuff in IRC -- sadness! Top Reddit Stories * The GHC source code contains 1088 TODOs, please help bring that number down Domain: self.haskell, Score: 137, Comments: 101 Original: [1] http://goo.gl/DHnNdB On Reddit: [2] http://goo.gl/DHnNdB * [Elm] "Controlling Time and Space: understanding the many formulations of FRP" by Evan Czaplicki Domain: youtube.com, Score: 77, Comments: 25 Original: [3] http://goo.gl/SbkmGf On Reddit: [4] http://goo.gl/FfTW7e * Visualisation of Haskell Performance (thesis, pdf) Domain: personal.leeds.ac.uk, Score: 72, Comments: 14 Original: [5] http://goo.gl/WabCEA On Reddit: [6] http://goo.gl/niC2Y6 * shell-conduit: Write shell scripts in Haskell with Conduit Domain: chrisdone.com, Score: 70, Comments: 22 Original: [7] http://goo.gl/VWLO6V On Reddit: [8] http://goo.gl/ekDZUP * Time travel made easy - Introducing Elm Reactor Domain: elm-lang.org, Score: 57, Comments: 0 Original: [9] http://goo.gl/TEqQWi On Reddit: [10] http://goo.gl/bN5iUk * THIS is why you should hire Haskellers Domain: fpcomplete.com, Score: 53, Comments: 36 Original: [11] http://goo.gl/VbO8xQ On Reddit: [12] http://goo.gl/DzLzyp * "Edwin Brady on Idris" in the Type Theory Podcast Domain: typetheorypodcast.com, Score: 50, Comments: 87 Original: [13] http://goo.gl/45jZKf On Reddit: [14] http://goo.gl/BdIYxZ * Neil Mitchell's Haskell Blog: GHCID Domain: neilmitchell.blogspot.com, Score: 50, Comments: 57 Original: [15] http://goo.gl/Z4MJA5 On Reddit: [16] http://goo.gl/dHuK3y * "Coder Decoder: Functional Programmer Lingo Explained" Domain: youtube.com, Score: 46, Comments: 10 Original: [17] http://goo.gl/Rv8Ihc On Reddit: [18] http://goo.gl/6jeI38 * Snake in haskell < 170 lines [My first haskell app] Domain: self.haskell, Score: 46, Comments: 42 Original: [19] http://goo.gl/lUDNr4 On Reddit: [20] http://goo.gl/lUDNr4 * "Writing a game in Haskell" by Elise Huard Domain: youtube.com, Score: 40, Comments: 9 Original: [21] http://goo.gl/e9yIRJ On Reddit: [22] http://goo.gl/jIR56E * Automasymbolic Differentiation Domain: jtobin.ca, Score: 32, Comments: 11 Original: [23] http://goo.gl/5gGJHy On Reddit: [24] http://goo.gl/fJGS4O * Codewars now supports Haskell! Domain: codewars.com, Score: 31, Comments: 17 Original: [25] http://goo.gl/1X4Kd On Reddit: [26] http://goo.gl/DtXFcN * HIW 2014: Lennart Augustsson: Better type-error messages (very funny) Domain: youtube.com, Score: 29, Comments: 10 Original: [27] http://goo.gl/OtDjcI On Reddit: [28] http://goo.gl/2lOzfE * Tetris in Haskell with Netwire and GLFW Domain: scrambledeggsontoast.github.io, Score: 28, Comments: 12 Original: [29] http://goo.gl/W89z06 On Reddit: [30] http://goo.gl/bd2kvU * Leksah 0.14.1 includes a Web Inspector Domain: self.haskell, Score: 24, Comments: 6 Original: [31] http://goo.gl/QAFuF1 On Reddit: [32] http://goo.gl/QAFuF1 * Finger Trees - Tutorial and IHaskell Notebook Domain: andrew.gibiansky.com, Score: 24, Comments: 1 Original: [33] http://goo.gl/UxkDPr On Reddit: [34] http://goo.gl/cSZhyE * Getting a Quick Fix on Comonads (talk at Boston Haskell, Sept. 17) Domain: youtube.com, Score: 24, Comments: 19 Original: [35] http://goo.gl/FyAlIZ On Reddit: [36] http://goo.gl/hQ6KgW * Parametricity: Money for Nothing and Theorems for Free Bartosz Milewski Domain: bartoszmilewski.com, Score: 23, Comments: 27 Original: [37] http://goo.gl/1W3uEj On Reddit: [38] http://goo.gl/b2rPPN Top StackOverflow Questions * what does Haskell's <|> operator do? votes: 35, answers: 4 Read on SO: [39] http://goo.gl/6aT68b * Does creating a (non-list) data structure via fromList actually create the list? votes: 14, answers: 1 Read on SO: [40] http://goo.gl/HwM94h * Why does <$> and <*> take input in an order opposite of >>=? votes: 14, answers: 2 Read on SO: [41] http://goo.gl/TXFyTD * Check memory usage in haskell votes: 13, answers: 1 Read on SO: [42] http://goo.gl/L4WmV4 * What are the differences between layers and extensible-effects? votes: 11, answers: 2 Read on SO: [43] http://goo.gl/9K0gLz Until next time, [44]+Daniel Santa Cruz References 1. http://www.reddit.com/r/haskell/comments/2hes8m/the_ghc_source_code_contains... 2. http://www.reddit.com/r/haskell/comments/2hes8m/the_ghc_source_code_contains... 3. https://www.youtube.com/watch?v=Agu6jipKfYw 4. http://www.reddit.com/r/haskell/comments/2h43hs/elm_controlling_time_and_spa... 5. http://www.personal.leeds.ac.uk/~scpmw/static/thesis.pdf 6. http://www.reddit.com/r/haskell/comments/2h89xh/visualisation_of_haskell_per... 7. http://chrisdone.com/posts/shell-conduit 8. http://www.reddit.com/r/haskell/comments/2h017v/shellconduit_write_shell_scr... 9. http://elm-lang.org/blog/Introducing-Elm-Reactor.elm 10. http://www.reddit.com/r/haskell/comments/2hcgs1/time_travel_made_easy_introd... 11. https://www.fpcomplete.com/business/blog/utilizing-haskell-fynder/ 12. http://www.reddit.com/r/haskell/comments/2h9p8z/this_is_why_you_should_hire_... 13. http://typetheorypodcast.com/2014/09/episode-2-edwin-brady-on-idris/ 14. http://www.reddit.com/r/haskell/comments/2hif58/edwin_brady_on_idris_in_the_... 15. http://neilmitchell.blogspot.com/2014/09/ghcid-new-ghci-based-ide-ish.html 16. http://www.reddit.com/r/haskell/comments/2hnmjr/neil_mitchells_haskell_blog_... 17. https://www.youtube.com/watch?v=uwrCQmpZ8Ts&index=28&list=UU_QIfHvN9auy2CoOdSfMWDw 18. http://www.reddit.com/r/haskell/comments/2hbjya/coder_decoder_functional_pro... 19. http://www.reddit.com/r/haskell/comments/2hnarl/snake_in_haskell_170_lines_m... 20. http://www.reddit.com/r/haskell/comments/2hnarl/snake_in_haskell_170_lines_m... 21. https://www.youtube.com/watch?v=1MNTerD8IuI 22. http://www.reddit.com/r/haskell/comments/2h7tw8/writing_a_game_in_haskell_by... 23. http://jtobin.ca/blog/2014/07/06/automasymbolic-differentiation/ 24. http://www.reddit.com/r/haskell/comments/2hkmlq/automasymbolic_differentiati... 25. http://www.codewars.com/ 26. http://www.reddit.com/r/haskell/comments/2hflkd/codewars_now_supports_haskel... 27. https://www.youtube.com/watch?v=rdVqQUOvxSU 28. http://www.reddit.com/r/haskell/comments/2hf34h/hiw_2014_lennart_augustsson_... 29. http://scrambledeggsontoast.github.io/2014/09/23/tetris-netwire/ 30. http://www.reddit.com/r/haskell/comments/2h6g8n/tetris_in_haskell_with_netwi... 31. http://www.reddit.com/r/haskell/comments/2h357z/leksah_0141_includes_a_web_i... 32. http://www.reddit.com/r/haskell/comments/2h357z/leksah_0141_includes_a_web_i... 33. http://andrew.gibiansky.com/blog/haskell/finger-trees/ 34. http://www.reddit.com/r/haskell/comments/2h9p9z/finger_trees_tutorial_and_ih... 35. https://www.youtube.com/watch?v=F7F-BzOB670&feature=youtu.be 36. http://www.reddit.com/r/haskell/comments/2hc3im/getting_a_quick_fix_on_comon... 37. http://bartoszmilewski.com/2014/09/22/parametricity-money-for-nothing-and-th... 38. http://www.reddit.com/r/haskell/comments/2h4t98/parametricity_money_for_noth... 39. http://stackoverflow.com/questions/26002415/what-does-haskells-operator-do 40. http://stackoverflow.com/questions/25964737/does-creating-a-non-list-data-st... 41. http://stackoverflow.com/questions/26015473/why-does-and-take-input-in-an-or... 42. http://stackoverflow.com/questions/26035489/check-memory-usage-in-haskell 43. http://stackoverflow.com/questions/25995369/what-are-the-differences-between... 44. https://plus.google.com/105107667630152149014/about