Daniel Santa Cruz | 9 Aug 02:59 2012
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Haskell Weekly News: Issue 239

Welcome to issue 239 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of July 29 to August 4, 2012.

Quotes of the Week

   * romm: i thought i knew programming. this is like discovering a new
           continent.
 
   * edwardk: i think the comonads are warm fuzzy, and the monads are
     warm sticky. its easy to get out of a comonad, its soft and you
     like wearing it. monads on the other hand stick to you and are icky

Top Reddit Stories

   * Update on GHC's new code generator
     Domain: hackage.haskell.org, Score: 70, Comments: 39
     On Reddit: [1] http://goo.gl/NkmqH
     Original: [2] http://goo.gl/4bUw1

   * The first video in my new series of free Haskell live coding videos
     Domain: youtube.com, Score: 64, Comments: 61
     On Reddit: [3] http://goo.gl/f1tmg
     Original: [4] http://goo.gl/ihwze

   * hbro, Haskell based browser, ideologically similar to uzbl
     Domain: github.com, Score: 48, Comments: 18
     On Reddit: [5] http://goo.gl/apILX
     Original: [6] http://goo.gl/STSwc

   * Thinking Functionally with Haskell | PragProg
     Domain: pragprog.com, Score: 32, Comments: 6
     On Reddit: [7] http://goo.gl/yL4Qj
     Original: [8] http://goo.gl/mHss0

   * Two ways of representing perfect binary trees : Inside 374
     Domain: blog.ezyang.com, Score: 30, Comments: 1
     On Reddit: [9] http://goo.gl/1GfdH
     Original: [10] http://goo.gl/JJAl1

   * Hoogle: from the command line
     Domain: self.haskell, Score: 28, Comments: 8
     On Reddit: [11] http://goo.gl/Ob9Mw
     Original: [12] http://goo.gl/Ob9Mw

   * Free monad transformers
     Domain: haskellforall.com, Score: 27, Comments: 11
     On Reddit: [13] http://goo.gl/XbQAj
     Original: [14] http://goo.gl/bJfrK

   * If someone asked you "why Haskell?", what would you say?
     Domain: self.haskell, Score: 26, Comments: 73
     On Reddit: [15] http://goo.gl/LQUUh
     Original: [16] http://goo.gl/LQUUh

   * Feedback from someone who learnt Haskell as his first language
     Domain: blog.raynes.me, Score: 25, Comments: 50
     On Reddit: [17] http://goo.gl/QsnfZ
     Original: [18] http://goo.gl/wFOLN

   * Why isn't `length` part of `Foldable`?
     Domain: self.haskell, Score: 23, Comments: 19
     On Reddit: [19] http://goo.gl/L0WWX
     Original: [20] http://goo.gl/L0WWX

Top StackOverflow Questions

   * Monoidal parsing — what is it?
     votes: 19, answers: 2
     Read on SO: [21] http://goo.gl/bVGBo

   * Applying multiple functions to the same value point-free style in Haskell
     votes: 7, answers: 4
     Read on SO: [22] http://goo.gl/PifBz

   * How do I get consistent criterion benchmarks, or interpret results across runs?
     votes: 7, answers: 1
     Read on SO: [23] http://goo.gl/qwT5c

   * Why is this prime test so slow?
     votes: 7, answers: 4
     Read on SO: [24] http://goo.gl/QehSC

   * Is there a theory that combines category theory/abstract algebra and computational complexity?
     votes: 7, answers: 1
     Read on SO: [25] http://goo.gl/CeAFw

   * Haskell Polymorphic Tree Sum
     votes: 7, answers: 1
     Read on SO: [26] http://goo.gl/NqYQW

   * reasonably efficient pure-functional matrix product in Haskell?
     votes: 7, answers: 3
     Read on SO: [27] http://goo.gl/8H6o9

   * Is access to internal strucutre of a monad required for monad transformer?
     votes: 7, answers: 1
     Read on SO: [28] http://goo.gl/Yln18

   * Haskell sub-typeclass requires UndecidableInstances?
     votes: 6, answers: 2
     Read on SO: [29] http://goo.gl/u9FQh

   * Haskell Data.List.Class and syntax
     votes: 6, answers: 1
     Read on SO: [30] http://goo.gl/wvKEk

Until next time,
Daniel Santa Cruz

References


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Daniel Santa Cruz | 16 Aug 01:49 2012
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Haskell Weekly News: Issue 240

Welcome to issue 240 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of August 05 to 11, 2012.

Quotes of the Week

   * johnw: Monads are an interface, all bets are off until you see what
     the interface does for a given Type

   * Evbn: I heard that Untyped and Well Typed tried to set up a
     corporate softball league, but they couldn't agree on a ruleset to
     use.

   * wuttf: i think i have to learn this language, the type systems i
     know just dont feel right

Top Reddit Stories

   * Studying protein structures in Haskell
     Domain: haskellforall.com, Score: 53, Comments: 6
     On Reddit: [1] http://goo.gl/94PA4
     Original: [2] http://goo.gl/VJJD0

   * Haskell Live Episode 2: Time To Refactor is up!
     Domain: youtube.com, Score: 52, Comments: 14
     On Reddit: [3] http://goo.gl/BOmK7
     Original: [4] http://goo.gl/5wTVu

   * Announcing Raskell - user ratings for Hackage
     Domain: ocharles.org.uk, Score: 43, Comments: 29
     On Reddit: [5] http://goo.gl/wgK4E
     Original: [6] http://goo.gl/7q4RP

   * Yesod 1.1 Released
     Domain: yesodweb.com, Score: 38, Comments: 14
     On Reddit: [7] http://goo.gl/jiwLx
     Original: [8] http://goo.gl/B5czq

   * Running Haskell on Raspberry Pi
     Domain: alenribic.com, Score: 37, Comments: 5
     On Reddit: [9] http://goo.gl/zPcDA
     Original: [10] http://goo.gl/FsESS

   * Koka - a "function"-oriented language with side-effect inteference
     Domain: rise4fun.com, Score: 36, Comments: 18
     On Reddit: [11] http://goo.gl/lyKhA
     Original: [12] http://goo.gl/n35n1

   * Is Haskell liberal or conservative? (Response post to Yegge)
     Domain: blog.ezyang.com, Score: 34, Comments: 51
     On Reddit: [13] http://goo.gl/AJ5Wp
     Original: [14] http://goo.gl/Juis3

   * ANNOUNCE: basic-prelude
     Domain: haskell.org, Score: 34, Comments: 8
     On Reddit: [15] http://goo.gl/iiDLq
     Original: [16] http://goo.gl/4Taz0

   * ANNOUNCE: tardis
     Domain: haskell.org, Score: 31, Comments: 3
     On Reddit: [17] http://goo.gl/e6yi7
     Original: [18] http://goo.gl/590QR

   * Any Hackage mirrors? How do you deal with Hackage outages?
     Domain: self.haskell, Score: 30, Comments: 27
     On Reddit: [19] http://goo.gl/1BOMF
     Original: [20] http://goo.gl/1BOMF

   * Is there a standard Haskell development setup for Vim?
     Domain: self.haskell, Score: 29, Comments: 44
     On Reddit: [21] http://goo.gl/gSRWp
     Original: [22] http://goo.gl/gSRWp

   * O'Reilly Webinar this Thursday: Designing Type-Safe Haskell APIs
     Domain: yesodweb.com, Score: 28, Comments: 8
     On Reddit: [23] http://goo.gl/GNogN
     Original: [24] http://goo.gl/ZRkrH

   * acid-state with Yesod
     Domain: meadowstalk.com, Score: 25, Comments: 13
     On Reddit: [25] http://goo.gl/NM4Bc
     Original: [26] http://goo.gl/8MDXo

   * Philip Wadler: Faith, Evolution, and Programming Languages [InfoQ]
     Domain: infoq.com, Score: 25, Comments: 6
     On Reddit: [27] http://goo.gl/WFxLq
     Original: [28] http://goo.gl/fBqx7

   * Hiring Haskell Developers (Singapore)
     Domain: cufp.org, Score: 22, Comments: 13
     On Reddit: [29] http://goo.gl/bhqrb
     Original: [30] http://goo.gl/umhh4

   * Verifying Software Transactional Memory: bisimulation in Agda [pdf]
     Domain: cs.nott.ac.uk, Score: 22, Comments: 
     On Reddit: [31] http://goo.gl/X1zvj
     Original: [32] http://goo.gl/vJ1gA

   * iterate (*2) 1
     Domain: postimage.org, Score: 17, Comments: 13
     On Reddit: [33] http://goo.gl/lwLv1
     Original: [34] http://goo.gl/lfIab

   * Error Handling: How would you solve this?
     Domain: self.haskell, Score: 16, Comments: 11
     On Reddit: [35] http://goo.gl/jHLZ8
     Original: [36] http://goo.gl/jHLZ8

Top StackOverflow Questions

   * Advice defining a data structure in Haskell
     votes: 13, answers: 4
     Read on SO: [37] http://goo.gl/xVxlx

   * What is the preferred way to combine two sinks?
     votes: 13, answers: 2
     Read on SO: [38] http://goo.gl/QUczW

   * Why is numCapabilities a pure function?
     votes: 12, answers: 1
     Read on SO: [39] http://goo.gl/4HU27

   * Using generics to convert between types of the same “shape”
     votes: 10, answers: 1
     Read on SO: [40] http://goo.gl/gx8ZL

   * Controlling parallel execution
     votes: 9, answers: 2
     Read on SO: [41] http://goo.gl/zzvtU

   * Lists of lists of lists
     votes: 9, answers: 5
     Read on SO: [42] http://goo.gl/HEicW

   * Positive integer type
     votes: 8, answers: 5
     Read on SO: [43] http://goo.gl/xXY49

   * Haskell bit arrays
     votes: 7, answers: 1
     Read on SO: [44] http://goo.gl/g9TDQ

   * How to keep track of number of guesses in a simple guessing game (Haskell)
     votes: 6, answers: 2
     Read on SO: [45] http://goo.gl/VQaWn

   * A haskell program that controls the mouse
     votes: 5, answers: 1
     Read on SO: [46] http://goo.gl/rtveO

Until next time,
Daniel Santa Cruz

References


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Daniel Santa Cruz | 23 Aug 01:49 2012
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Haskell Weekly News: Issue 241

Welcome to issue 241 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of August 12 to 18, 2012.

Quotes of the Week

   * monochrom: seq is a suggestion. pseq is an order.

   * johnw: Haskell is like using a finely crafted blade to whittle
     yourself a canoe, as your friends pass by on their cruise liner and
     wonder what you're up to

Top Reddit Stories

   * Yesod gets financial backing.
     Domain: yesodweb.com, Score: 76, Comments: 23
     On Reddit: [1] http://goo.gl/isVxZ
     Original: [2] http://goo.gl/aTtqC

   * The category design pattern
     Domain: haskellforall.com, Score: 65, Comments: 32
     On Reddit: [3] http://goo.gl/Owrgh
     Original: [4] http://goo.gl/iDEen

   * I remember the time before monads | free variable
     Domain: free-variable.org, Score: 64, Comments: 5
     On Reddit: [5] http://goo.gl/41Utn
     Original: [6] http://goo.gl/febU9

   * GHC 7.6.1 Release Candidate 1
     Domain: haskell.org, Score: 55, Comments: 33
     On Reddit: [7] http://goo.gl/weAei
     Original: [8] http://goo.gl/QHtd7

   * PVP: upper bounds are not our friends
     Domain: haskell.org, Score: 49, Comments: 94
     On Reddit: [9] http://goo.gl/8ihwE
     Original: [10] http://goo.gl/0YbGl

   * MongoDB on the hunt for Haskell Evangelist
     Domain: haskellers.com, Score: 36, Comments: 17
     On Reddit: [11] http://goo.gl/X1WLL
     Original: [12] http://goo.gl/TYDdE

   * Raspberry Pi in a Haskell Cloud
     Domain: alenribic.com, Score: 33, Comments: 6
     On Reddit: [13] http://goo.gl/esAHP
     Original: [14] http://goo.gl/me7ob

   * Practical Foundations for Programming Languages (first impressions)
     Domain: blog.ezyang.com, Score: 30, Comments: 
     On Reddit: [15] http://goo.gl/FjrY1
     Original: [16] http://goo.gl/8AzpC

   * Scoutess GSoC project finished!
     Domain: self.haskell, Score: 28, Comments: 4
     On Reddit: [17] http://goo.gl/hRzvC
     Original: [18] http://goo.gl/hRzvC

Top StackOverflow Questions

   * Subtype polymorphism in Haskell
     votes: 17, answers: 2
     Read on SO: [19] http://goo.gl/xERPq

   * Is it possible to use a bracketing syntactic sugar for an 
     applicative functor?
     votes: 14, answers: 2
     Read on SO: [20] http://goo.gl/3EH63

   * Useful operations on free arrows
     votes: 11, answers: 0
     Read on SO: [21] http://goo.gl/BQ6ry

   * Against cold boot attacks: how to restrain sensitive information in Haskell
     votes: 9, answers: 1
     Read on SO: [22] http://goo.gl/kUOn2

   * GHCi and compiled code seem to behave differently
     votes: 7, answers: 1
     Read on SO: [23] http://goo.gl/q8yJi

   * Implementing Iota in Haskell
     votes: 7, answers: 1
     Read on SO: [24] http://goo.gl/KonKf

   * Understanding STG
     votes: 6, answers: 1
     Read on SO: [25] http://goo.gl/uQmKn

   * Quickcheck for non-boolean tests
     votes: 6, answers: 0
     Read on SO: [26] http://goo.gl/on6jt

   * Screen capture in Haskell?
     votes: 6, answers: 3
     Read on SO: [27] http://goo.gl/7xIX5

   * typeclass challenge: having both variadic arguments and results
     votes: 6, answers: 2
     Read on SO: [28] http://goo.gl/8aA6Z

Until next time,
Daniel Santa Cruz

References


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