Welcome to issue 265 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of March 31 to April 6, 2013.
Quotes of the Week
* Jafet: Haskell is an abstract research language used only in
academia, education, banking, stock trading, circuit design,
embedded systems, cryptography, operating systems research,
bioinformatics, phone apps, and web services.
* monochrom: primop is where the turtle tower ends and the russian
dolls begin!
* sclv: haha. i love this stuff but if i bury myself in it my head
will start spinning around like exorcist and i will start spitting
blood
Top Reddit Stories
* Haskell beats C using generalised stream fusion - Geoff Mainland,
Simon Peyton Jones, Simon Marlow, Roman Leshchinskiy. Submitted to
ICFP 2013 [PDF]
Domain: research.microsoft.com, Score: 106, Comments: 47
On Reddit: [1] http://goo.gl/Ui7bS
Original: [2] http://goo.gl/es51B
* Functor is now a superclass of Monad in GHC HEAD
Domain: darcs.haskell.org, Score: 87, Comments: 33
On Reddit: [3] http://goo.gl/B1LYf
Original: [4] http://goo.gl/JiunP
* Yet Another Lambda Blog ยป Haskell as fast as C: A case study
Domain: lambda.jstolarek.com, Score: 61, Comments: 25
On Reddit: [5] http://goo.gl/cemyl
Original: [6] http://goo.gl/uCbTd
* Beautiful Concurrency - a series of articles by Simon Peyton-Jones -
on
FP Complete School of Haskell
Domain: fpcomplete.com, Score: 60, Comments: 20
On Reddit: [7] http://goo.gl/pWAA4
Original: [8] http://goo.gl/ynFG8
* Web Woes for Haskell
Domain: self.haskell, Score: 43, Comments: 42
On Reddit: [9] http://goo.gl/vl13n
Original: [10] http://goo.gl/vl13n
* Cap'n Proto: faster protocol buffers, written in Haskell & C++
Domain: kentonv.github.com, Score: 42, Comments: 11
On Reddit: [11] http://goo.gl/6Qwza
Original: [12] http://goo.gl/94iip
* Resource limits for Haskell
Domain: blog.ezyang.com, Score: 38, Comments: 1
On Reddit: [13] http://goo.gl/01WPS
Original: [14] http://goo.gl/KjwNx
* Dependent Types - A New Paradigm? by Paul Callaghan
Domain: pragprog.com, Score: 33, Comments: 1
On Reddit: [15] http://goo.gl/Gjs3K
Original: [16] http://goo.gl/4wbYa
* So I accidentally a profunctors tutorial
Domain: fpcomplete.com, Score: 31, Comments: 43
On Reddit: [17] http://goo.gl/QnzoR
Original: [18] http://goo.gl/VDlYh
* UPenn CIS 194: Intro to Haskell, Instructor: Brent Yorgey
Domain: seas.upenn.edu, Score: 31, Comments: 4
On Reddit: [19] http://goo.gl/zXgrM
Original: [20] http://goo.gl/OC3x1
* Sorting with Agda
Domain: mazzo.li, Score: 30, Comments: 33
On Reddit: [21] http://goo.gl/rkq58
Original: [22] http://goo.gl/8GRCF
* Announcing The Pragmatic Haskeller
Domain: cakesolutions.net, Score: 29, Comments: 7
On Reddit: [23] http://goo.gl/3ahrb
Original: [24] http://goo.gl/AsOKQ
* Flavours of free applicative functors
Domain: ro-che.info, Score: 27, Comments: 6
On Reddit: [25] http://goo.gl/oE2sk
Original: [26] http://goo.gl/sE5VD
* Free Applicative Functors (ICFP submission)
Domain: paolocapriotti.com, Score: 25, Comments: 11
On Reddit: [27] http://goo.gl/2dB7B
Original: [28] http://goo.gl/VWnHG
* Handling out of memory?
Domain: self.haskell, Score: 25, Comments: 17
On Reddit: [29] http://goo.gl/mGwUt
Original: [30] http://goo.gl/mGwUt
* hydra-print - visualizing multiple texts streams
Domain: parfunk.blogspot.se, Score: 24, Comments: 7
On Reddit: [31] http://goo.gl/uToAZ
Original: [32] http://goo.gl/lc70w
* Lazy IO breaks equational reasoning
Domain: okmij.org, Score: 24, Comments: 124
On Reddit: [33] http://goo.gl/48f0h
Original: [34] http://goo.gl/m8Vbr
* Haskell on Windows
Domain: gundersen.net, Score: 23, Comments: 14
On Reddit: [35] http://goo.gl/oRV4B
Original: [36] http://goo.gl/0hOL4
* Constrained Monads (GADTs indexed by Constraint)
Domain: ittc.ku.edu, Score: 21, Comments: 7
On Reddit: [37] http://goo.gl/lVRpl
Original: [38] http://goo.gl/jtbU3
Top StackOverflow Questions
* Simple examples to illustrate Category, Monoid and Monad?
votes: 28, answers: 1
Read on SO: [39] http://goo.gl/HPE8k
* Which techniques have contributed the most to Haskell's improving
performance? [closed]
votes: 18, answers: 1
Read on SO: [40] http://goo.gl/tz904
* Why does Parsec not use Control.Applicative operators
votes: 13, answers: 1
Read on SO: [41] http://goo.gl/0mR3f
* ghc 7.4.2, Dynamically calling modules
votes: 10, answers: 1
Read on SO: [42] http://goo.gl/MZD8q
* What's wrong with this implementation of quicksort using Arrows?
votes: 10, answers: 2
Read on SO: [43] http://goo.gl/zwhfy
* Initializing algebraic data type from list
votes: 9, answers: 4
Read on SO: [44] http://goo.gl/nbyUP
* Scoped type variables require explicit foralls. Why?
votes: 9, answers: 1
Read on SO: [45] http://goo.gl/SUlCf
* Parsing UnicodeSyntax with haskell-src-exts
votes: 8, answers: 1
Read on SO: [46] http://goo.gl/Yi8Vd
Until next time,
+Daniel Santa Cruz
References
1.
http://research.microsoft.com/en-us/um/people/simonpj/papers/ndp/haskell-beats-C.pdf
2.
http://www.reddit.com/r/haskell/comments/1br0ls/haskell_beats_c_using_generalised_stream_fusion/
3. http://darcs.haskell.org/libraries/base/GHC/Base.lhs
4.
http://www.reddit.com/r/haskell/comments/1bfojn/functor_is_now_a_superclass_of_monad_in_ghc_head/
5. http://lambda.jstolarek.com/2013/04/haskell-as-fast-as-c-a-case-study/
6.
http://www.reddit.com/r/haskell/comments/1bikvs/yet_another_lambda_blog_haskell_as_fast_as_c_a/
7. https://www.fpcomplete.com/user/simonpj/beautiful-concurrency
8.
http://www.reddit.com/r/haskell/comments/1bm3ep/beautiful_concurrency_a_series_of_articles_by/
9. http://www.reddit.com/r/haskell/comments/1bqsvi/web_woes_for_haskell/
10. http://www.reddit.com/r/haskell/comments/1bqsvi/web_woes_for_haskell/
11. http://kentonv.github.com/capnproto/install.html
12.
http://www.reddit.com/r/haskell/comments/1bjt4f/capn_proto_faster_protocol_buffers_written_in/
13. http://blog.ezyang.com/2013/04/resource-limits-for-haskell/
14.
http://www.reddit.com/r/haskell/comments/1bkjj8/resource_limits_for_haskell/
15. http://pragprog.com/magazines/2013-04/dependent-types
16.
http://www.reddit.com/r/haskell/comments/1bmqba/dependent_types_a_new_paradigm_by_paul_callaghan/
17. https://www.fpcomplete.com/user/liyang/profunctors
18.
http://www.reddit.com/r/haskell/comments/1bg21c/so_i_accidentally_a_profunctors_tutorial/
19. http://www.seas.upenn.edu/~cis194/lectures.html
20.
http://www.reddit.com/r/haskell/comments/1bqax8/upenn_cis_194_intro_to_haskell_instructor_brent/
21. http://mazzo.li/posts/AgdaSort.html
22. http://www.reddit.com/r/haskell/comments/1biasi/sorting_with_agda/
23.
http://www.cakesolutions.net/teamblogs/2013/04/05/announcing-the-pragmatic-haskeller/
24.
http://www.reddit.com/r/haskell/comments/1brbac/announcing_the_pragmatic_haskeller/
25.
http://ro-che.info/articles/2013-03-31-flavours-of-free-applicative-functors.html
26.
http://www.reddit.com/r/haskell/comments/1be2iv/flavours_of_free_applicative_functors/
27. http://paolocapriotti.com/blog/2013/04/03/free-applicative-functors/
28.
http://www.reddit.com/r/haskell/comments/1bnql3/free_applicative_functors_icfp_submission/
29.
http://www.reddit.com/r/haskell/comments/1bsucw/handling_out_of_memory/
30.
http://www.reddit.com/r/haskell/comments/1bsucw/handling_out_of_memory/
31. http://parfunk.blogspot.se/2013/04/hydra-print.html
32.
http://www.reddit.com/r/haskell/comments/1bsc9u/hydraprint_visualizing_multiple_texts_streams/
33. http://okmij.org/ftp/Haskell/index.html#lazyIO-not-True
34.
http://www.reddit.com/r/haskell/comments/1bsitm/lazy_io_breaks_equational_reasoning/
35. http://www.gundersen.net/haskell-on-windows/
36. http://www.reddit.com/r/haskell/comments/1bsm6v/haskell_on_windows/
37.
http://www.ittc.ku.edu/csdl/fpg/papers/Sculthorpe-13-ConstrainedMonad.html
38.
http://www.reddit.com/r/haskell/comments/1bktx3/constrained_monads_gadts_indexed_by_constraint/
39.
http://stackoverflow.com/questions/15726733/simple-examples-to-illustrate-category-monoid-and-monad
40.
http://stackoverflow.com/questions/15750998/which-techniques-have-contributed-the-most-to-haskells-improving-performance
41.
http://stackoverflow.com/questions/15767978/why-does-parsec-not-use-control-applicative-operators
42.
http://stackoverflow.com/questions/15824756/ghc-7-4-2-dynamically-calling-modules
43.
http://stackoverflow.com/questions/15849550/whats-wrong-with-this-implementation-of-quicksort-using-arrows
44.
http://stackoverflow.com/questions/15734573/initializing-algebraic-data-type-from-list
45.
http://stackoverflow.com/questions/15800878/scoped-type-variables-require-explicit-foralls-why
46.
http://stackoverflow.com/questions/15784076/parsing-unicodesyntax-with-haskell-src-exts
47. https://plus.google.com/105107667630152149014/about
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