Welcome to issue 274 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of July 14 to 27, 2013.

Quotes of the Week

   * knuth: To help the reader drowning in a sea of abstraction, the
     following example may serve as a concrete life preserver

From the mail bag

   * Haskell for schools in Argentina
     [1] http://goo.gl/EAPHXx

Top Reddit Stories

   * Parallel and Concurrent Programming in Haskell available now in ebook 
     formats, print version can be preordered
     Domain: shop.oreilly.com, Score: 94, Comments: 14
     On Reddit: [2] http://goo.gl/426HB0
     Original: [3] http://goo.gl/anqIi

   * Lenses in pictures
     Domain: adit.io, Score: 84, Comments: 51
     On Reddit: [4] http://goo.gl/e8Bc0N
     Original: [5] http://goo.gl/1kmqf

   * Monads made difficult
     Domain: stephendiehl.com, Score: 70, Comments: 11
     On Reddit: [6] http://goo.gl/sQAmVD
     Original: [7] http://goo.gl/35EDt

   * Helm - FRP Game Engine Inspired by Elm
     Domain: github.com, Score: 67, Comments: 19
     On Reddit: [8] http://goo.gl/1lJEIB
     Original: [9] http://goo.gl/4wDcHN

   * Ian Lynagh leaves GHC HQ
     Domain: haskell.org, Score: 64, Comments: 4
     On Reddit: [10] http://goo.gl/XCnjrA
     Original: [11] http://goo.gl/Ox5KXW

   * Yesod in Production
     Domain: joelt.io, Score: 61, Comments: 13
     On Reddit: [12] http://goo.gl/jlhvvm
     Original: [13] http://goo.gl/7pSCJ

   * A Comparison Between Perl and Haskell
     Domain: ocharles.org.uk, Score: 60, Comments: 22
     On Reddit: [14] http://goo.gl/cwYXb0
     Original: [15] http://goo.gl/P46D4e

   * Backpack: Retrofitting Haskell with Interfaces 
     (Kilpatrick, Dreyer, SPJ, Marlow) [link to pdf]
     Domain: mpi-sws.org, Score: 58, Comments: 63
     On Reddit: [16] http://goo.gl/sjjAE
     Original: [17] http://goo.gl/C06Ly

   * Parallel and Concurrent Programming in Haskell 
     (online version, part of Atlas beta)
     Domain: chimera.labs.oreilly.com, Score: 56, Comments: 35
     On Reddit: [18] http://goo.gl/x5dhf5
     Original: [19] http://goo.gl/H7MeFa

   * Why Haskell at School matters
     Domain: sawafaso.blogspot.com.ar, Score: 52, Comments: 18
     On Reddit: [20] http://goo.gl/2LHlsn
     Original: [21] http://goo.gl/8Dwy4R

   * Measuring the Haskell Gap :: PDF
     Domain: leafpetersen.com, Score: 49, Comments: 13
     On Reddit: [22] http://goo.gl/6b4xdx
     Original: [23] http://goo.gl/nqDJZd

   * Automatic SIMD Vectorization for Haskell
     by Leaf Petersen, Dominic Orchard and Neal Glew [ICFP13][PDF]
     Domain: leafpetersen.com, Score: 47, Comments: 13
     On Reddit: [24] http://goo.gl/dPCPio
     Original: [25] http://goo.gl/gDBajX

   * IRC Browse
     Domain: chrisdone.com, Score: 43, Comments: 12
     On Reddit: [26] http://goo.gl/OPXVQK
     Original: [27] http://goo.gl/IOoJgT

   * How to Help Develop Hackage2
     Domain: self.haskell, Score: 40, Comments: 46
     On Reddit: [28] http://goo.gl/NQGmY
     Original: [29] http://goo.gl/NQGmY

Top StackOverflow Questions

   * Can someone explain to me why the app function of ArrowApply makes 
     them as powerful as monads?
     votes: 13, answers: 2
     Read on SO: [30] http://goo.gl/V6I0fK

   * Haskell newtype with parentheses
     votes: 12, answers: 2
     Read on SO: [31] http://goo.gl/k9A7YU

   * GHC: insert compilation date
     votes: 11, answers: 2
     Read on SO: [32] http://goo.gl/MbWGqH

   * How can Haskell function guards operate on other values than the 
     functions parameters?
     votes: 10, answers: 2
     Read on SO: [33] http://goo.gl/sgI9i8

   * Can Haskell functions be serialized?
     votes: 10, answers: 3
     Read on SO: [34] http://goo.gl/fVsPvv

   * Calling Haskell library from C++
     votes: 10, answers: 1
     Read on SO: [35] http://goo.gl/6V2zqb

   * Debugging compile time performance issues caused by GHC's constraint solver
     votes: 10, answers: 1
     Read on SO: [36] http://goo.gl/XPAqAy

   * Haskell performance when using classes and instances
     votes: 10, answers: 2
     Read on SO: [37] http://goo.gl/EZNVMS

   * Could not deduce (m ~ m1)
     votes: 9, answers: 1
     Read on SO: [38] http://goo.gl/vW0x6D

   * Running a subexpression once
     votes: 9, answers: 2
     Read on SO: [39] http://goo.gl/MdRgkZ

Until next time,
[40]+Daniel Santa Cruz

References

   1. http://sawafaso.blogspot.com.ar/2013/07/why-haskell-at-school-matters.html?m=1
   2. http://shop.oreilly.com/product/0636920026365.do
   3. http://www.reddit.com/r/haskell/comments/1ioorw/parallel_and_concurrent_programming_in_haskell/
   4. http://adit.io/posts/2013-07-22-lenses-in-pictures.html
   5. http://www.reddit.com/r/haskell/comments/1isryj/lenses_in_pictures/
   6. http://www.stephendiehl.com/posts/monads.html
   7. http://www.reddit.com/r/haskell/comments/1iafky/monads_made_difficult/
   8. https://github.com/z0w0/helm
   9. http://www.reddit.com/r/haskell/comments/1j1fd8/helm_frp_game_engine_inspired_by_elm/
  10. http://www.haskell.org/pipermail/ghc-devs/2013-July/001677.html
  11. http://www.reddit.com/r/haskell/comments/1ikc91/ian_lynagh_leaves_ghc_hq/
  12. http://joelt.io/entries/yesod-in-production
  13. http://www.reddit.com/r/haskell/comments/1inf8a/yesod_in_production/
  14. http://ocharles.org.uk/blog/posts/2013-07-26-a-comparison-between-perl-and-haskell.html
  15. http://www.reddit.com/r/haskell/comments/1j3jgd/a_comparison_between_perl_and_haskell/
  16. http://www.mpi-sws.org/~skilpat/backpack/
  17. http://www.reddit.com/r/haskell/comments/1id0p7/backpack_retrofitting_haskell_with_interfaces/
  18. http://chimera.labs.oreilly.com/books/1230000000929/index.html
  19. http://www.reddit.com/r/haskell/comments/1iwr7x/parallel_and_concurrent_programming_in_haskell/
  20. http://sawafaso.blogspot.com.ar/2013/07/why-haskell-at-school-matters.html
  21. http://www.reddit.com/r/haskell/comments/1j3k19/why_haskell_at_school_matters/
  22. http://www.leafpetersen.com/leaf/publications/hs2013/haskell-gap.pdf
  23. http://www.reddit.com/r/haskell/comments/1j2k4a/measuring_the_haskell_gap_pdf/
  24. http://www.leafpetersen.com/leaf/publications/icfp2013/vectorization-haskell.pdf
  25. http://www.reddit.com/r/haskell/comments/1izyok/automatic_simd_vectorization_for_haskell_by_leaf/
  26. http://chrisdone.com/posts/ircbrowse
  27. http://www.reddit.com/r/haskell/comments/1iy8nv/irc_browse/
  28. http://www.reddit.com/r/haskell/comments/1iki8p/how_to_help_develop_hackage2/
  29. http://www.reddit.com/r/haskell/comments/1iki8p/how_to_help_develop_hackage2/
  30. http://stackoverflow.com/questions/17668452/can-someone-explain-to-me-why-the-app-function-of-arrowapply-makes-them-as-power
  31. http://stackoverflow.com/questions/17853232/haskell-newtype-with-parentheses
  32. http://stackoverflow.com/questions/17796521/ghc-insert-compilation-date
  33. http://stackoverflow.com/questions/17650866/how-can-haskell-function-guards-operate-on-other-values-than-the-functions-param
  34. http://stackoverflow.com/questions/17785916/can-haskell-functions-be-serialized
  35. http://stackoverflow.com/questions/17815804/calling-haskell-library-from-c
  36. http://stackoverflow.com/questions/17822539/debugging-compile-time-performance-issues-caused-by-ghcs-constraint-solver
  37. http://stackoverflow.com/questions/17834802/haskell-performance-when-using-classes-and-instances
  38. http://stackoverflow.com/questions/17765690/could-not-deduce-m-m1
  39. http://stackoverflow.com/questions/17900495/running-a-subexpression-once
  40. https://plus.google.com/105107667630152149014/about