[Haskell-cafe] Haskell Weekly News: Issue 216

Thu Feb 23 03:10:09 CET 2012

Welcome to issue 216 of the HWN, a newsletter covering crowdsourced
links for the Haskell community. This release covers the week of
February 12 to 18, 2012.

You can find the HTML version at:
http://contemplatecode.blogspot.com/2012/02/haskell-weekly-news-issue-216.html

Quotes of the Week

   * monochrom: the selfish program's motive is to fool the programmer

   * WilliamByrd: Oleg is an emissary from some advanced alien race.
     Working with him is both exhausting and enlightening.

   * CodeWeaverX: do-block, or do-not-block. There is no
     try-catch-block.

Top Reddit Stories

   * Where is Hackage 2.0?
     Domain: self.haskell, Score: 66, Comments: 42
     On Reddit: [1] http://goo.gl/uXq10
     Original: [2] http://goo.gl/uXq10

   * Haskell Performance Patters [HTML slideshow]
     Domain: blog.johantibell.com, Score: 52, Comments: 13
     On Reddit: [3] http://goo.gl/Y5tCb
     Original: [4] http://goo.gl/T9zZI

   * Concatenative, Row-Polymorphic Programming in Haskell
     (re: Why Concatenative Programming Matters)
     Domain: github.com, Score: 41, Comments: 21
     On Reddit: [5] http://goo.gl/0w83b
     Original: [6] http://goo.gl/aw22p

   * Neil Mitchell - Shake: A Better Make
     Domain: neilmitchell.blogspot.com, Score: 37, Comments: 7
     On Reddit: [7] http://goo.gl/MeFQ1
     Original: [8] http://goo.gl/4HM0d

   * Why concatenative programming matters.
     Domain: evincarofautumn.blogspot.com, Score: 37, Comments: 23
     On Reddit: [9] http://goo.gl/Udpdt
     Original: [10] http://goo.gl/VvUvt

   * GSOC 2012 Project Proposal - GHCi in the web browser
     Domain: apfelmus.nfshost.com, Score: 36, Comments: 34
     On Reddit: [11] http://goo.gl/KS6d8
     Original: [12] http://goo.gl/epgTZ

   * Yesod Blog :: Call for GSoC: expand the reach of Haskell with
interactive
     websites and good persistence
     Domain: yesodweb.com, Score: 31, Comments: 20
     On Reddit: [13] http://goo.gl/1HQ9d
     Original: [14] http://goo.gl/bxKIC

   * hxournal - A pen notetaking program written in Haskell
     Domain: ianwookim.org, Score: 25, Comments: 16
     On Reddit: [15] http://goo.gl/4UG5E
     Original: [16] http://goo.gl/kQOMh

   * Type checking by theorem proving in IDRIS: Brady [pdf, 29 slides]
     Domain: cs.st-andrews.ac.uk, Score: 25, Comments: 33
     On Reddit: [17] http://goo.gl/qAD5L
     Original: [18] http://goo.gl/mhdlC

   * Using Lawvere theories to combine effects
     Domain: blog.sigfpe.com, Score: 24, Comments: 0
     On Reddit: [19] http://goo.gl/4IHq7
     Original: [20] http://goo.gl/QS1aO

   * BayHac '12
     Domain: haskell.org, Score: 23, Comments: 0
     On Reddit: [21] http://goo.gl/nuxUm
     Original: [22] http://goo.gl/NCQGy

   * Hope for Haskell: making Hackage and cabal-install more awesome
     Domain: github.com, Score: 22, Comments: 23
     On Reddit: [23] http://goo.gl/E9MmZ
     Original: [24] http://goo.gl/sLpkp

   * Thoughts on Haskell Development
     Domain: self.haskell, Score: 21, Comments: 77
     On Reddit: [25] http://goo.gl/Qdt4b
     Original: [26] http://goo.gl/Qdt4b

   * Relating Category Theory to Programming Language Theory - MathOverflow
     Domain: mathoverflow.net, Score: 21, Comments: 1
     On Reddit: [27] http://goo.gl/wA9E2
     Original: [28] http://goo.gl/6Ox5n

   * The Other Prelude — any activity here? It seems like a worthwhile
project.
     Domain: haskell.org, Score: 18, Comments: 13
     On Reddit: [29] http://goo.gl/j94fj
     Original: [30] http://goo.gl/kwGCm

Top StackOverflow Questions

   * Covariance / Contravariance in Haskell?
     votes: 24, answers: 2
     Read on SO: [31] http://goo.gl/wBjaP

   * Haskell for someone who already knows some category theory
     votes: 17, answers: 1
     Read on SO: [32] http://goo.gl/ms4dE

   * Haskell libraries overview and their quality [closed]
     votes: 16, answers: 1
     Read on SO: [33] http://goo.gl/H3Rwg

   * Haskell existential quantification in detail
     votes: 12, answers: 1
     Read on SO: [34] http://goo.gl/uiJZG

   * Derivative Towers and how to use the vector-space package (haskell)
     votes: 11, answers: 1
     Read on SO: [35] http://goo.gl/lkPEl

   * Why doesn't Scala have an IO Monad?
     votes: 10, answers: 1
     Read on SO: [36] http://goo.gl/dyTte

   * How to let a function [a] -> [a] operate on [(a,Int)]?
     votes: 9, answers: 2
     Read on SO: [37] http://goo.gl/Js3As

   * Speed up runhaskell
     votes: 9, answers: 4
     Read on SO: [38] http://goo.gl/yc3qo

   * Unnecessary type juggling to define Data.Void (package “void” on
Hackage)?
     votes: 8, answers: 1
     Read on SO: [39] http://goo.gl/FCmyv

   * Lazy vs eager evaluation and double linked list building
     votes: 8, answers: 3
     Read on SO: [40] http://goo.gl/Z55Og

Until next time,
Daniel Santa Cruz

References

   1. http://www.reddit.com/r/haskell/comments/pn2oh/where_is_hackage_20/
   2. http://www.reddit.com/r/haskell/comments/pn2oh/where_is_hackage_20/
   3.
http://blog.johantibell.com/2012/02/slides-from-haskell-performance.html
   4.
http://www.reddit.com/r/haskell/comments/pry5h/haskell_performance_patters_html_slideshow/
   5.
https://github.com/leonidas/codeblog/blob/master/2012/2012-02-17-concatenative-haskell.md
   6.
http://www.reddit.com/r/haskell/comments/ptji8/concatenative_rowpolymorphic_programming_in/
   7. http://neilmitchell.blogspot.com/2012/02/shake-better-make.html
   8.
http://www.reddit.com/r/haskell/comments/plv2b/neil_mitchell_shake_a_better_make/
   9.
http://evincarofautumn.blogspot.com/2012/02/why-concatenative-programming-matters.html
  10.
http://www.reddit.com/r/haskell/comments/pmcav/why_concatenative_programming_matters/
  11.
http://apfelmus.nfshost.com/blog/2012/02/14-summer-of-code-proposal.html
  12.
http://www.reddit.com/r/haskell/comments/ppdgq/gsoc_2012_project_proposal_ghci_in_the_web_browser/
  13. http://www.yesodweb.com/blog/2012/02/call-for-gsoc-2012
  14.
http://www.reddit.com/r/haskell/comments/pqudh/yesod_blog_call_for_gsoc_expand_the_reach_of/
  15. http://ianwookim.org/hxournal
  16.
http://www.reddit.com/r/haskell/comments/por66/hxournal_a_pen_notetaking_program_written_in/
  17. http://www.cs.st-andrews.ac.uk/~eb/writings/idris-stp.pdf
  18.
http://www.reddit.com/r/haskell/comments/pp6i3/type_checking_by_theorem_proving_in_idris_brady/
  19. http://blog.sigfpe.com/2012/02/using-lawvere-theories-to-combine.html
  20.
http://www.reddit.com/r/haskell/comments/pm46y/using_lawvere_theories_to_combine_effects/
  21. http://www.haskell.org/haskellwiki/BayHac2012
  22. http://www.reddit.com/r/haskell/comments/puzxx/bayhac_12/
  23. https://github.com/DanBurton/Blog/blob/master/Markdown/Hope.md
  24.
http://www.reddit.com/r/haskell/comments/pswbp/hope_for_haskell_making_hackage_and_cabalinstall/
  25.
http://www.reddit.com/r/haskell/comments/ppf7p/thoughts_on_haskell_development/
  26.
http://www.reddit.com/r/haskell/comments/ppf7p/thoughts_on_haskell_development/
  27.
http://mathoverflow.net/questions/4235/relating-category-theory-to-programming-language-theory/4274#4274
  28.
http://www.reddit.com/r/haskell/comments/put1g/relating_category_theory_to_programming_language/
  29. http://www.haskell.org/haskellwiki/The_Other_Prelude
  30.
http://www.reddit.com/r/haskell/comments/ppwst/the_other_prelude_any_activity_here_it_seems_like/
  31.
http://stackoverflow.com/questions/9302739/covariance-contravariance-in-haskell
  32.
http://stackoverflow.com/questions/9252488/haskell-for-someone-who-already-knows-some-category-theory
  33.
http://stackoverflow.com/questions/9286799/haskell-libraries-overview-and-their-quality
  34.
http://stackoverflow.com/questions/9259921/haskell-existential-quantification-in-detail
  35.
http://stackoverflow.com/questions/9313994/derivative-towers-and-how-to-use-the-vector-space-package-haskell
  36.
http://stackoverflow.com/questions/9345008/why-doesnt-scala-have-an-io-monad
  37.
http://stackoverflow.com/questions/9324862/how-to-let-a-function-a-a-operate-on-a-int
  38. http://stackoverflow.com/questions/9326097/speed-up-runhaskell
  39.
http://stackoverflow.com/questions/9261490/unnecessary-type-juggling-to-define-data-void-package-void-on-hackage
  40.
http://stackoverflow.com/questions/9277176/lazy-vs-eager-evaluation-and-double-linked-list-building
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