[Haskell-cafe] Haskell Weekly News: Issue 211
Daniel Santa Cruz
dstcruz at gmail.com
Thu Jan 19 04:38:02 CET 2012
Welcome to issue 211 of the HWN, a newsletter covering developments in
the Haskell community. This release covers top stories found around the
net between January 01 to 14, 2012.
This is going to be a shorted version, as I have been out of time. I
did not want to let more time go by without a heartbeat from your
friendly HWN.
Happy coding!
You can find an HTML version at:
http://contemplatecode.blogspot.com/2012/01/haskell-weekly-news-issue-211.html
Quotes of the Week
* <ddarius> xtalmath: #math or #not-math would probably be a more
appropriate place to ask.
<shachaf> ddarius: Those two channels pretty much cover it all.
<ddarius> shachaf: You're clearly not an intuitionist.
* monochrom: in fact, freedom is the freedom to write 2.2 = 4
* Jafet: caleskell is the standard golf course.
* byorgey: Escaped skolem! Authorities mount massive search. News at
11.
* BMeph: loves swapping function arguments, he said flippantly
* kmc: "Haskell is great, because Curry-Howard! Proving things in the
type system. We can prove that, uh, Ints exist, unless they're
[bottom]."
* Jafet: In Soviet Russia, State executes you
* byorgey: that would be known as "low-dimensional linear algebra",
where "low-dimensional" is said in as condescending a tone as
possible
* monochrom: at a crossroad you meet an angel (always tells the
truth) or demon (always lies). the crossroad gives you two choices
of roads, one to heaven, one to hell, and only the angel or demon
knows which is which. if you ask "how would you answer if I asked
'what is a monad?'", what will happen?
Top Reddit Stories
* Dropbox tech blog » Using the Dropbox API from Haskell
Domain: tech.dropbox.com, Score: 68, Comments: 4
On Reddit: [1] http://goo.gl/rsndV
Original: [2] http://goo.gl/g3RyF
* A new approach to iteratees
Domain: self.haskell, Score: 48, Comments: 99
On Reddit: [3] http://goo.gl/ZRbGW
Original: [4] http://goo.gl/ZRbGW
* Haskell / Repa Real-Time Ray Tracing Demo
Domain: youtube.com, Score: 45, Comments: 7
On Reddit: [5] http://goo.gl/rzyZs
Original: [6] http://goo.gl/15P2V
* Order theory for computer scientists
Domain: matt.might.net, Score: 39, Comments: 1
On Reddit: [7] http://goo.gl/nTOfr
Original: [8] http://goo.gl/HAVjQ
* Generalizing Streams into Coroutines (with an introduction to
functors, applicative functors and arrows)
Domain: github.com, Score: 38, Comments: 15
On Reddit: [9] http://goo.gl/hUopY
Original: [10] http://goo.gl/avTUf
* Well-Typed are hiring: Haskell consultant
Domain: well-typed.com, Score: 38, Comments: 71
On Reddit: [11] http://goo.gl/Chu7f
Original: [12] http://goo.gl/VHPfJ
* Why iteratees are hard to understand
Domain: blog.ezyang.com, Score: 34, Comments: 11
On Reddit: [13] http://goo.gl/LrEoV
Original: [14] http://goo.gl/d1scG
* Modern reall-world Haskell?
Domain: self.haskell, Score: 33, Comments: 21
On Reddit: [15] http://goo.gl/l0Aud
Original: [16] http://goo.gl/l0Aud
* FRP: reactive-banana is getting dynamic event switching
Domain: apfelmus.nfshost.com, Score: 30, Comments: 3
On Reddit: [17] http://goo.gl/dGblT
Original: [18] http://goo.gl/ovRE5
* wxHaskell and wxWidgets 2.9
Domain: wewantarock.wordpress.com, Score: 29, Comments:
On Reddit: [19] http://goo.gl/sxiBx
Original: [20] http://goo.gl/878Aj
* Updated Yesod blog example: i18n, authentication, authorization, and
database
Domain: yesodweb.com, Score: 28, Comments: 22
On Reddit: [21] http://goo.gl/4eDAT
Original: [22] http://goo.gl/duzSG
* Experiments in Haskell Packaging
Domain: justhaskell.org, Score: 27, Comments: 5
On Reddit: [23] http://goo.gl/y2vHk
Original: [24] http://goo.gl/0nADv
* http-conduit
Domain: yesodweb.com, Score: 26, Comments: 26
On Reddit: [25] http://goo.gl/gisUJ
Original: [26] http://goo.gl/mMhaf
* Reasoning about Stream Processing with Effects
Domain: personal.cis.strath.ac.uk, Score: 26, Comments: 6
On Reddit: [27] http://goo.gl/3Ckzr
Original: [28] http://goo.gl/Uw8ZO
* Simon Marlow's Parallel and Concurrent Programming Haskell (slides)
Domain: self.haskell, Score: 26, Comments: 3
On Reddit: [29] http://goo.gl/Rg0Lz
Original: [30] http://goo.gl/Rg0Lz
* Who is my Community? -- wxHaskell maintainer's thoughts on C bindings
Domain: wewantarock.wordpress.com, Score: 26, Comments:
On Reddit: [31] http://goo.gl/tcqZN
Original: [32] http://goo.gl/mRwQa
Top StackOverflow Questions
* Fun with repeated fmap
votes: 26, answers: 1
Read on SO: [33] http://goo.gl/T2FPm
* Can a compiler automatically detect pure functions without the type
information about purity?
votes: 23, answers: 2
Read on SO: [34] http://goo.gl/wgYim
* What does “floated out” mean?
votes: 21, answers: 2
Read on SO: [35] http://goo.gl/8J3no
* Haskell projects to study and learn from?
votes: 19, answers: 2
Read on SO: [36] http://goo.gl/SHwsZ
* How do you identify monadic design patterns?
votes: 19, answers: 4
Read on SO: [37] http://goo.gl/dE3EJ
* how do I get good (small) shrinks out of QuickCheck?
votes: 16, answers: 0
Read on SO: [38] http://goo.gl/X3ZOs
* Which applicative functor is used for passing shared parameters?
votes: 14, answers: 1
Read on SO: [39] http://goo.gl/UxmZK
* Double map in haskell?
votes: 12, answers: 2
Read on SO: [40] http://goo.gl/uWpuz
* Higher ranked and impredicative types
votes: 12, answers: 1
Read on SO: [41] http://goo.gl/zpkXn
* Handling events in Haskell
votes: 12, answers: 1
Read on SO: [42] http://goo.gl/e7sV9
* Does the term “monadic” in J have anything to do with its Haskell use?
votes: 12, answers: 4
Read on SO: [43] http://goo.gl/hTa2j
* Any good articles on optimizing Haskell code?
votes: 12, answers: 2
Read on SO: [44] http://goo.gl/FzRrf
* What is a “free variable”?
votes: 11, answers: 2
Read on SO: [45] http://goo.gl/Og5SC
* Haskell Thread Communication Pattern Scenario
votes: 10, answers: 1
Read on SO: [46] http://goo.gl/3Rzq0
* Defining a function by equations with different number of arguments
votes: 10, answers: 1
Read on SO: [47] http://goo.gl/hejqO
* What functionality do you get for free with Functors or other
type-classes?
votes: 10, answers: 5
Read on SO: [48] http://goo.gl/9hSlv
* Why are types with no data constructors valid?
votes: 10, answers: 1
Read on SO: [49] http://goo.gl/Pp6Ze
* Folding flatMap/bind over a list of functions (a.k.a. Name That
Combinator!)
votes: 9, answers: 2
Read on SO: [50] http://goo.gl/bBtBI
Until next time,
Daniel Santa Cruz
References
1. http://tech.dropbox.com/?p=129
2.
http://www.reddit.com/r/haskell/comments/o0j2a/dropbox_tech_blog_using_the_dropbox_api_from/
3.
http://www.reddit.com/r/haskell/comments/ohjg7/a_new_approach_to_iteratees/
4.
http://www.reddit.com/r/haskell/comments/ohjg7/a_new_approach_to_iteratees/
5. https://www.youtube.com/watch?v=jBd9c1gAqWs
6.
http://www.reddit.com/r/haskell/comments/o0im2/haskell_repa_realtime_ray_tracing_demo/
7. http://matt.might.net/articles/partial-orders/
8.
http://www.reddit.com/r/haskell/comments/o6nnp/order_theory_for_computer_scientists/
9.
https://github.com/leonidas/codeblog/blob/master/2012/2012-01-08-streams-coroutines.md
10.
http://www.reddit.com/r/haskell/comments/o87z5/generalizing_streams_into_coroutines_with_an/
11. http://www.well-typed.com/blog/63
12.
http://www.reddit.com/r/haskell/comments/odv3t/welltyped_are_hiring_haskell_consultant/
13. http://blog.ezyang.com/2012/01/why-iteratees-are-hard-to-understand/
14.
http://www.reddit.com/r/haskell/comments/o2p3p/why_iteratees_are_hard_to_understand/
15.
http://www.reddit.com/r/haskell/comments/o5iov/modern_reallworld_haskell/
16.
http://www.reddit.com/r/haskell/comments/o5iov/modern_reallworld_haskell/
17. http://apfelmus.nfshost.com/blog/2012/01/01-frp-api-0-5.html
18.
http://www.reddit.com/r/haskell/comments/nz0af/frp_reactivebanana_is_getting_dynamic_event/
19.
http://wewantarock.wordpress.com/2012/01/11/wxhaskell-and-wxwidgets-2-9/
20.
http://www.reddit.com/r/haskell/comments/oc8qi/wxhaskell_and_wxwidgets_29/
21. http://www.yesodweb.com/blog/2012/01/blog-example
22.
http://www.reddit.com/r/haskell/comments/of4g9/updated_yesod_blog_example_i18n_authentication/
23. http://justhaskell.org/2012/01/02/experiments-in-haskell-packaging/
24.
http://www.reddit.com/r/haskell/comments/nzv56/experiments_in_haskell_packaging/
25. http://www.yesodweb.com/blog/2012/01/http-conduit
26. http://www.reddit.com/r/haskell/comments/o5b4w/httpconduit/
27. http://personal.cis.strath.ac.uk/~raa/posts/2012-01-06-streams.html
28.
http://www.reddit.com/r/haskell/comments/o5ioy/reasoning_about_stream_processing_with_effects/
29.
http://www.reddit.com/r/haskell/comments/oaqsa/simon_marlows_parallel_and_concurrent_programming/
30.
http://www.reddit.com/r/haskell/comments/oaqsa/simon_marlows_parallel_and_concurrent_programming/
31. http://wewantarock.wordpress.com/2012/01/12/who-is-my-community/
32.
http://www.reddit.com/r/haskell/comments/ogtos/who_is_my_community_wxhaskell_maintainers/
33. http://stackoverflow.com/questions/8736995/fun-with-repeated-fmap
34.
http://stackoverflow.com/questions/8760956/can-a-compiler-automatically-detect-pure-functions-without-the-type-information
35. http://stackoverflow.com/questions/8779390/what-does-floated-out-mean
36.
http://stackoverflow.com/questions/8703319/haskell-projects-to-study-and-learn-from
37.
http://stackoverflow.com/questions/8777216/how-do-you-identify-monadic-design-patterns
38.
http://stackoverflow.com/questions/8788542/how-do-i-get-good-small-shrinks-out-of-quickcheck
39.
http://stackoverflow.com/questions/8762943/which-applicative-functor-is-used-for-passing-shared-parameters
40. http://stackoverflow.com/questions/8735072/double-map-in-haskell
41.
http://stackoverflow.com/questions/8739741/higher-ranked-and-impredicative-types
42. http://stackoverflow.com/questions/8780183/handling-events-in-haskell
43.
http://stackoverflow.com/questions/8807539/does-the-term-monadic-in-j-have-anything-to-do-with-its-haskell-use
44.
http://stackoverflow.com/questions/8832624/any-good-articles-on-optimizing-haskell-code
45. http://stackoverflow.com/questions/8857038/what-is-a-free-variable
46.
http://stackoverflow.com/questions/8705332/haskell-thread-communication-pattern-scenario
47.
http://stackoverflow.com/questions/8745597/defining-a-function-by-equations-with-different-number-of-arguments
48.
http://stackoverflow.com/questions/8785311/what-functionality-do-you-get-for-free-with-functors-or-other-type-classes
49.
http://stackoverflow.com/questions/8829194/why-are-types-with-no-data-constructors-valid
50.
http://stackoverflow.com/questions/8716668/folding-flatmap-bind-over-a-list-of-functions-a-k-a-name-that-combinator
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