[Haskell-cafe] Haskell Weekly News: Issue 291

Thu Apr 17 03:08:01 UTC 2014

Welcome to issue 291 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers
from April 6 to 12, 2014

Quotes of the Week

   * geekosaur: IO, IO, it's off to (>>=) I go

   * edwardk: waiting for sclv to start going around door to door
     passing out little copies of the homotopy type theory book, and
     asking people if they have yet had the geometric realization that
     the simplicial sets are homotopically equivalent to their Lord and
     Savior.

   * carter: i'll leave you in the gentle hands of the rest of the
     channel

Top Reddit Stories

   * GHC 7.8.1 Released
     Domain: haskell.org, Score: 226, Comments: 106
     On Reddit: [1] http://goo.gl/pz4nE
     Original: [2] http://goo.gl/SjQ3Qv

   * What To Expect When You're a Platform Library Maintainer
     Domain: permalink.gmane.org, Score: 56, Comments: 4
     On Reddit: [3] http://goo.gl/bD6VVf
     Original: [4] http://goo.gl/WDvy53

   * Why are we relying on numeric identifiers for dependencies when we
     have so much richer information available?
     Domain: self.haskell, Score: 44, Comments: 18
     On Reddit: [5] http://goo.gl/Z3gBEq
     Original: [6] http://goo.gl/Z3gBEq

   * How To Read "Pearls of Functional Algorithm Design"
     Domain: atamo.com, Score: 41, Comments: 8
     On Reddit: [7] http://goo.gl/j4mXVz
     Original: [8] http://goo.gl/q41KEF

   * BayHac '14 Sign-Up and List of Classes
     Domain: self.haskell, Score: 40, Comments: 11
     On Reddit: [9] http://goo.gl/xterjO
     Original: [10] http://goo.gl/xterjO

   * Is GHC the defacto standard?
     Domain: self.haskell, Score: 40, Comments: 39
     On Reddit: [11] http://goo.gl/eiVjGM
     Original: [12] http://goo.gl/eiVjGM

   * Battleships web game written in Haskell/Yesod
     Domain: www-pg.iai.uni-bonn.de, Score: 34, Comments: 15
     On Reddit: [13] http://goo.gl/hl2NC2
     Original: [14] http://goo.gl/Wt5jqi

   * Heartbleed aftermath: should Haskell web frameworks allow using a
     pure Haskell SSL library instead of OpenSSL?
     Domain: self.haskell, Score: 32, Comments: 54
     On Reddit: [15] http://goo.gl/ycHKNZ
     Original: [16] http://goo.gl/ycHKNZ

   * BudHac 2014
     Domain: haskell.org, Score: 28, Comments: 3
     On Reddit: [17] http://goo.gl/iObjrD
     Original: [18] http://goo.gl/KRJL2x

   * Hacking Haskell in nightclubs - video feature on Algorave
     Domain: motherboard.vice.com, Score: 27, Comments: 2
     On Reddit: [19] http://goo.gl/LLG6qR
     Original: [20] http://goo.gl/PlzTTa

   * A brief introduction to ConstraintKinds extension (Wolfgang Jeltsch)
     Domain: jeltsch.wordpress.com, Score: 27, Comments: 4
     On Reddit: [21] http://goo.gl/RadGh7
     Original: [22] http://goo.gl/CZIfU8

   * Generating Mazes with Inductive Graphs
     Domain: jelv.is, Score: 26, Comments: 11
     On Reddit: [23] http://goo.gl/fufmgp
     Original: [24] http://goo.gl/FxAeGV

Top StackOverflow Questions

   * Why MonadPlus and not Monad + Monoid?
     votes: 18, answers: 2
     Read on SO: [25] http://goo.gl/J02Msv

   * Can a pure function have free variables?
     votes: 11, answers: 3
     Read on SO: [26] http://goo.gl/iyJsn9

   * FRP - Event streams and Signals - what is lost in using just signals?
     votes: 10, answers: 4
     Read on SO: [27] http://goo.gl/cXwKKf

   * Is there a way to make GHC provide the type class constraints of
     typed holes?
     votes: 9, answers: 0
     Read on SO: [28] http://goo.gl/LYxEvm

   * Where are the magic rules for GHC assert?
     votes: 8, answers: 1
     Read on SO: [29] http://goo.gl/JL8OLZ

   * Using Haskell ranges: Why would mapping a floating point function
     across a range cause it to return an extra element?
     votes: 7, answers: 1
     Read on SO: [30] http://goo.gl/mtBCBa

   * Why Haskell's Data.List.deleteBy takes in input a comparison
     function (a -> a -> Bool) and a value instead of
     a predicate (a -> Bool)?
     votes: 6, answers: 1
     Read on SO: [31] http://goo.gl/Wd9evy

Until next time,
[32]+Daniel Santa Cruz

References

   1. http://www.haskell.org/pipermail/haskell/2014-April/024137.html
   2. http://www.reddit.com/r/haskell/comments/22lw1b/ghc_781_released/
   3. http://permalink.gmane.org/gmane.comp.lang.haskell.libraries/21681
   4.
http://www.reddit.com/r/haskell/comments/22oott/what_to_expect_when_youre_a_platform_library/
   5.
http://www.reddit.com/r/haskell/comments/22o4i1/why_are_we_relying_on_numeric_identifiers_for/
   6.
http://www.reddit.com/r/haskell/comments/22o4i1/why_are_we_relying_on_numeric_identifiers_for/
   7. http://www.atamo.com/blog/how-to-read-pearls-by-richard-bird-1/
   8.
http://www.reddit.com/r/haskell/comments/22kavg/how_to_read_pearls_of_functional_algorithm_design/
   9.
http://www.reddit.com/r/haskell/comments/22d1wu/bayhac_14_signup_and_list_of_classes/
  10.
http://www.reddit.com/r/haskell/comments/22d1wu/bayhac_14_signup_and_list_of_classes/
  11.
http://www.reddit.com/r/haskell/comments/22r569/is_ghc_the_defacto_standard/
  12.
http://www.reddit.com/r/haskell/comments/22r569/is_ghc_the_defacto_standard/
  13. http://www-pg.iai.uni-bonn.de/battleships
  14.
http://www.reddit.com/r/haskell/comments/22f683/battleships_web_game_written_in_haskellyesod/
  15.
http://www.reddit.com/r/haskell/comments/22udou/heartbleed_aftermath_should_haskell_web/
  16.
http://www.reddit.com/r/haskell/comments/22udou/heartbleed_aftermath_should_haskell_web/
  17. http://www.haskell.org/haskellwiki/BudapestHackathon2014
  18. http://www.reddit.com/r/haskell/comments/22euqt/budhac_2014/
  19. http://motherboard.vice.com/nl/read/algorave-coden-in-de-club
  20.
http://www.reddit.com/r/haskell/comments/22ou9y/hacking_haskell_in_nightclubs_video_feature_on/
  21. http://jeltsch.wordpress.com/2013/02/14/the-constraint-kind/
  22.
http://www.reddit.com/r/haskell/comments/22tfgl/a_brief_introduction_to_constraintkinds_extension/
  23. http://jelv.is/blog/Generating-Mazes-with-Inductive-Graphs
  24.
http://www.reddit.com/r/haskell/comments/22ngz0/generating_mazes_with_inductive_graphs/
  25.
http://stackoverflow.com/questions/23023961/why-monadplus-and-not-monad-monoid
  26.
http://stackoverflow.com/questions/22914878/can-a-pure-function-have-free-variables
  27.
http://stackoverflow.com/questions/22989253/frp-event-streams-and-signals-what-is-lost-in-using-just-signals
  28.
http://stackoverflow.com/questions/23028124/is-there-a-way-to-make-ghc-provide-the-type-class-constraints-of-typed-holes
  29.
http://stackoverflow.com/questions/22996814/where-are-the-magic-rules-for-ghc-assert
  30.
http://stackoverflow.com/questions/22901633/using-haskell-ranges-why-would-mapping-a-floating-point-function-across-a-range
  31.
http://stackoverflow.com/questions/23000665/why-haskells-data-list-deleteby-takes-in-input-a-comparison-function-a-a
  32. https://plus.google.com/105107667630152149014/about
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