Welcome to issue 249 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of October 21 to October 27, 2012.

Quotes of the Week

   * johnw: ah terminology, just when you think you know something, they
     redefined "know"...

   * lispy: The crappy thing about using partial fun*** Exception:
     Pattern match failure

   * shachaf: This Useful Information information brought to you by:
     ghci, and: the letter t

   * edwardk: i should have picked a better name to minimize confusion
     cmccann: huh. that's not something I ever expected to hear edwardk
           say

   * beaky: why did they settle on bitshiftrightassign (>>=) for monadic
     bind?

Top Reddit Stories

   * Why is this simple text processing program so much slower than in dynamic 
     languages?
     Domain: honza.ca, Score: 64, Comments: 189
     On Reddit: [1] http://goo.gl/jW5ow
     Original: [2] http://goo.gl/pPzIb

   * Fay slides
     Domain: fay-lang.org, Score: 50, Comments: 42
     On Reddit: [3] http://goo.gl/0UM4T
     Original: [4] http://goo.gl/h8iZE

   * Haskell for all: "Hello, core!"
     Domain: haskellforall.com, Score: 48, Comments: 6
     On Reddit: [5] http://goo.gl/qXRd2
     Original: [6] http://goo.gl/9cBeo

   * Haskell job opening at Functor AB
     Domain: alpmestan.com, Score: 35, Comments: 5
     On Reddit: [7] http://goo.gl/hQmoa
     Original: [8] http://goo.gl/ASA9c

   * Enemy of the Mutable State
     Domain: ozonehouse.com, Score: 32, Comments: 10
     On Reddit: [9] http://goo.gl/Wn3Yv
     Original: [10] http://goo.gl/r18by

   * Gloss(ish) and Fay: An Example
     Domain: zelda.designacourse.com, Score: 29, Comments: 7
     On Reddit: [11] http://goo.gl/rtR9Y
     Original: [12] http://goo.gl/1cF0z

   * Yesodweb: Future work to improve the performance of Warp
     Domain: yesodweb.com, Score: 25, Comments: 
     On Reddit: [13] http://goo.gl/0YF64
     Original: [14] http://goo.gl/fq7ds

   * (a,b,c,d) as sugar for (a,(b,(c,d))) ?
     Domain: self.haskell, Score: 23, Comments: 37
     On Reddit: [15] http://goo.gl/cc30R
     Original: [16] http://goo.gl/cc30R

   * Using Cloud Haskell in HPC Cluster
     Domain: malcodigo.blogspot.com.es, Score: 23, Comments: 
     On Reddit: [17] http://goo.gl/LxmqY
     Original: [18] http://goo.gl/ycmZr

   * Haskell Platform 2012.4.0.0 release candidates
     Domain: trac.haskell.org, Score: 23, Comments: 3
     On Reddit: [19] http://goo.gl/B4MNc
     Original: [20] http://goo.gl/Q4fHP

Top StackOverflow Questions

   * Concrete example showing that monads are not closed under composition 
     (with proof)?
     votes: 24, answers: 3
     Read on SO: [21] http://goo.gl/sys7F

   * Why is there no IO transformer in Haskell?
     votes: 15, answers: 2
     Read on SO: [22] http://goo.gl/04Xc7

   * Is it possible to make GHC optimize (deforest) generic functions such 
     as catamorphisms?
     votes: 14, answers: 1
     Read on SO: [23] http://goo.gl/f4ZlU

   * Confused by the meaning of the 'Alternative' type class and its 
     relationship to other type classes
     votes: 13, answers: 5
     Read on SO: [24] http://goo.gl/RXNuV

   * How to add fields that only cache something to ADT?
     votes: 13, answers: 0
     Read on SO: [25] http://goo.gl/FjLlX

   * How to reliably compare runtime of Haskell and C?
     votes: 10, answers: 1
     Read on SO: [26] http://goo.gl/R7whA

   * Currying Product Types
     votes: 10, answers: 3
     Read on SO: [27] http://goo.gl/7gxIS

   * Modular Program Design - Combining Monad Transformers in Monad Agnostic 
     functions
     votes: 9, answers: 2
     Read on SO: [28] http://goo.gl/8rh1B

   * Is there a nicer way to apply a function to both elements of a pair 
     in a list than a list comprehension?
     votes: 9, answers: 3
     Read on SO: [29] http://goo.gl/JF3p5

   * How unpacking strict fields goes together with polymorphism?
     votes: 9, answers: 1
     Read on SO: [30] http://goo.gl/58MuT

Until next time,
Daniel Santa Cruz

References

   1. http://honza.ca/2012/10/haskell-strings
   2. http://www.reddit.com/r/haskell/comments/120h6i/why_is_this_simple_text_processing_program_so/
   3. http://fay-lang.org/fay-talk/
   4. http://www.reddit.com/r/haskell/comments/11yrpi/fay_slides/
   5. http://www.haskellforall.com/2012/10/hello-core.html
   6. http://www.reddit.com/r/haskell/comments/11vuzz/haskell_for_all_hello_core/
   7. http://alpmestan.com/posts/2012-10-23-haskell-job-opening-at-functor.html
   8. http://www.reddit.com/r/haskell/comments/11yf8c/haskell_job_opening_at_functor_ab/
   9. http://www.ozonehouse.com/mark/enemy/
  10. http://www.reddit.com/r/haskell/comments/125zt0/enemy_of_the_mutable_state/
  11. http://zelda.designacourse.com/codeworld.html
  12. http://www.reddit.com/r/haskell/comments/126vdk/glossish_and_fay_an_example/
  13. http://www.yesodweb.com/blog/2012/10/future-work-warp
  14. http://www.reddit.com/r/haskell/comments/11w7wv/yesodweb_future_work_to_improve_the_performance/
  15. http://www.reddit.com/r/haskell/comments/11ysa5/abcd_as_sugar_for_abcd/
  16. http://www.reddit.com/r/haskell/comments/11ysa5/abcd_as_sugar_for_abcd/
  17. http://malcodigo.blogspot.com.es/2012/10/using-cloud-haskell-in-hpc-cluster.html
  18. http://www.reddit.com/r/haskell/comments/122m6y/using_cloud_haskell_in_hpc_cluster/
  19. http://trac.haskell.org/haskell-platform/wiki/ReleaseCandidates
  20. http://www.reddit.com/r/haskell/comments/124kje/haskell_platform_2012400_release_candidates/
  21. http://stackoverflow.com/questions/13034229/concrete-example-showing-that-monads-are-not-closed-under-composition-with-proo
  22. http://stackoverflow.com/questions/13056663/why-is-there-no-io-transformer-in-haskell
  23. http://stackoverflow.com/questions/13099203/is-it-possible-to-make-ghc-optimize-deforest-generic-functions-such-as-catamor
  24. http://stackoverflow.com/questions/13080606/confused-by-the-meaning-of-the-alternative-type-class-and-its-relationship-to
  25. http://stackoverflow.com/questions/13098448/how-to-add-fields-that-only-cache-something-to-adt
  26. http://stackoverflow.com/questions/13009728/how-to-reliably-compare-runtime-of-haskell-and-c
  27. http://stackoverflow.com/questions/13080074/currying-product-types
  28. http://stackoverflow.com/questions/13007123/modular-program-design-combining-monad-transformers-in-monad-agnostic-function
  29. http://stackoverflow.com/questions/13022720/is-there-a-nicer-way-to-apply-a-function-to-both-elements-of-a-pair-in-a-list-th
  30. http://stackoverflow.com/questions/13098375/how-unpacking-strict-fields-goes-together-with-polymorphism