Daniel Santa Cruz | 1 Mar 03:10 2013
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Haskell Weekly News: Issue 260

Welcome to issue 260 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of February 17 to 23, 2013.

Quotes of the Week

   * danharaj: zygohistobfuscatory maintainomorphism

   * merijn: after a week you can delete 80% of your code and replace it
     with whatever edwardk wrote that day ;-)

   * merijn: If Oleg is the unit of type hackery I propose Edward as the
     unit of haskell productivity.

   * edwardk: the merijn is the unit for the number of distinct units
     you've named

   * elliott: If you encounter an edwardk in the wild: nod reassuringly
     when he talks about something you understand. Under NO
     circumstances EVER give your GitHub account name

Top Reddit Stories

   * An awesome Haskell Valentines card, from my non-programmer girlfriend.
     Domain: i.imgur.com, Score: 127, Comments: 32
     On Reddit: [1] http://goo.gl/5Cxwr
     Original: [2] http://goo.gl/BeksW

   * Announcing SmallCheck 1.0
     Domain: ro-che.info, Score: 61, Comments: 16
     On Reddit: [3] http://goo.gl/R0gvO
     Original: [4] http://goo.gl/7b5Dq

   * Intro to FRP and purely functional games: live-coding the basics of 
     Mario in ~30 lines in Elm [video]
     Domain: ustream.tv, Score: 50, Comments: 12
     On Reddit: [5] http://goo.gl/E22PW
     Original: [6] http://goo.gl/q7r8e

   * Reflections After a Hard Day in Haskell GUI Land
     Domain: fluffynukeit.com, Score: 49, Comments: 53
     On Reddit: [7] http://goo.gl/xQv8i
     Original: [8] http://goo.gl/0hvT6

   * Duncan Coutts on Parallelism and Concurrency with Haskell, 
     Distributed Programming with Cloud Haskell
     Domain: infoq.com, Score: 44, Comments: 5
     On Reddit: [9] http://goo.gl/jU9EH
     Original: [10] http://goo.gl/UkRDk

   * A Game of Type-Safe Tic-Tac-Toe
     Domain: github.com, Score: 42, Comments: 20
     On Reddit: [11] http://goo.gl/SrIEx
     Original: [12] http://goo.gl/dFIyd

   * The Algebra of Algebraic Data Types, Part 3
     Domain: chris-taylor.github.com, Score: 36, Comments: 7
     On Reddit: [13] http://goo.gl/NQI8S
     Original: [14] http://goo.gl/CPkiV

   * Write Yourself a Haskell... in Lisp
     Domain: gergo.erdi.hu, Score: 36, Comments: 3
     On Reddit: [15] http://goo.gl/YqdSl
     Original: [16] http://goo.gl/E3yzO

   * Overloading record fields with Lens
     Domain: statusfailed.com, Score: 31, Comments: 19
     On Reddit: [17] http://goo.gl/oF7zN
     Original: [18] http://goo.gl/SOEz4

   * On partial functions in Idris
     Domain: edwinb.wordpress.com, Score: 29, Comments: 3
     On Reddit: [19] http://goo.gl/0HquS
     Original: [20] http://goo.gl/OaO2r

   * Who's using Haskell commercially? New collection of real-world case 
     studies from FP Complete.
     Domain: fpcomplete.com, Score: 26, Comments: 12
     On Reddit: [21] http://goo.gl/IM2rb
     Original: [22] http://goo.gl/zsf4c

   * Making 'Super Nario Bros.' in Haskell
     Domain: youtube.com, Score: 26, Comments: 11
     On Reddit: [23] http://goo.gl/2Hg7o
     Original: [24] http://goo.gl/9Bb5t


Top StackOverflow Questions

   * Why is there no implicit parallelism in Haskell?
     votes: 29, answers: 4
     Read on SO: [25] http://goo.gl/n6VkF

   * Why is (a,b,c,d) not sugar for (a,(b,(c,(d,()))))?
     votes: 26, answers: 2
     Read on SO: [26] http://goo.gl/aW6K2

   * How can I understand “(.) . (.)”?
     votes: 21, answers: 5
     Read on SO: [27] http://goo.gl/kqbcO

   * Are there any advantages of using Rank2Types in favor of RankNTypes?
     votes: 18, answers: 2
     Read on SO: [28] http://goo.gl/V5naQ

   * What's the closest thing to Haskell's typeclasses in OCaml?
     votes: 16, answers: 4
     Read on SO: [29] http://goo.gl/AWvgl

   * Why does ghci give me a type for “1 ++ 2” instead of ragequitting?
     votes: 16, answers: 2
     Read on SO: [30] http://goo.gl/66Pti

   * Is (>>) supposed to discard all left-side output?
     votes: 11, answers: 2
     Read on SO: [31] http://goo.gl/wvnLJ

   * Find inferred type for local function
     votes: 11, answers: 3
     Read on SO: [32] http://goo.gl/WFCz1

   * STUArray s i e - space leak only when i == Int?
     votes: 11, answers: 2
     Read on SO: [33] http://goo.gl/fbyPE

   * Connecting to the System GHC
     votes: 10, answers: 1
     Read on SO: [34] http://goo.gl/FGVN5

   * Correctness of implicit lifting
     votes: 10, answers: 2
     Read on SO: [35] http://goo.gl/5s8pR

Until next time,
+Daniel Santa Cruz

References


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Daniel Santa Cruz | 7 Mar 02:34 2013
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Haskell Weekly News: Issue 261

Welcome to issue 261 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of February 24 to March 02, 2013.

Quotes of the Week

   * EvilMachine: I always picture some poor mutant guy whose every body
     part looks alike in the deepest depths of the dark ages going to
     the doc, and being told he has ‚monomorphism‚.

   * pmk: the last time i asked GHC to compile a function with forty
     (.)'s in a row, it took over an hour

Top Reddit Stories

   * Some draft chapters of "Parallel and Concurrent Programming in Haskell" 
     available online for comment
     Domain: self.haskell, Score: 79, Comments: 40
     On Reddit: [1] http://goo.gl/emvnI
     Original: [2] http://goo.gl/emvnI

   * Hulk: A Haskell IRC server - Nice example of real world monad without IO
     Domain: chrisdone.com, Score: 62, Comments: 18
     On Reddit: [3] http://goo.gl/CR986
     Original: [4] http://goo.gl/RhjG6

   * Hole-driven Haskell
     Domain: matthew.brecknell.net, Score: 59, Comments: 52
     On Reddit: [5] http://goo.gl/5ctnJ
     Original: [6] http://goo.gl/NqJVi

   * Chasing a Space Leak in Shake: Profiling, reduction, digging thru stacks
     Domain: neilmitchell.blogspot.com, Score: 46, Comments: 11
     On Reddit: [7] http://goo.gl/cO86j
     Original: [8] http://goo.gl/v09x6

   * Haskell patterns ad nauseam
     Domain: yaxu.org, Score: 39, Comments: 2
     On Reddit: [9] http://goo.gl/dapAz
     Original: [10] http://goo.gl/hPW6y

   * Cross Compiling for iOS with GHC
     Domain: hackage.haskell.org, Score: 35, Comments: 18
     On Reddit: [11] http://goo.gl/3uzjR
     Original: [12] http://goo.gl/Kw0Pe

   * From Set Theory to Type Theory
     Domain: golem.ph.utexas.edu, Score: 35, Comments: 8
     On Reddit: [13] http://goo.gl/HaPN4
     Original: [14] http://goo.gl/LUi5f

   * EclipseFP 2.5.0 released: cabal-dev support, import cleaning, and more
     Domain: jpmoresmau.blogspot.fr, Score: 31, Comments: 0
     On Reddit: [15] http://goo.gl/lR6Tc
     Original: [16] http://goo.gl/JJzBz

   * Michael Snoyman's overview of the new conduit 1.0, on School of Haskell
     Domain: haskell.fpcomplete.com, Score: 31, Comments: 11
     On Reddit: [17] http://goo.gl/aFbw1
     Original: [18] http://goo.gl/ObEHA

   * How is Haskell tackling the multicore problem? - Simon Marlow
     Domain: youtube.com, Score: 28, Comments: 5
     On Reddit: [19] http://goo.gl/qOKlJ
     Original: [20] http://goo.gl/HVddu

   * Generics and Protocol Buffers... now on Hackage
     Domain: breaks.for.alienz.org, Score: 28, Comments: 5
     On Reddit: [21] http://goo.gl/WqIyn
     Original: [22] http://goo.gl/J9NKB

   * Demonstrating tidal - haskell music patterns in action
     Domain: blog.lurk.org, Score: 24, Comments: 5
     On Reddit: [23] http://goo.gl/4ddqI
     Original: [24] http://goo.gl/Ift8y

   * GHC iOS Packages
     Domain: github.com, Score: 23, Comments: 5
     On Reddit: [25] http://goo.gl/PONjI
     Original: [26] http://goo.gl/6D3Gz

   * SoH tutorial: a regular expression matcher using continuations
     Domain: haskell.fpcomplete.com, Score: 22, Comments: 4
     On Reddit: [27] http://goo.gl/toQpy
     Original: [28] http://goo.gl/BZ1xI

   * [nyc-haskell] Greg Wright - A Purely Symbolic Effort in Mathematics
     Domain: vimeo.com, Score: 22, Comments: 6
     On Reddit: [29] http://goo.gl/jNybI
     Original: [30] http://goo.gl/Q8pq8

   * ANN: clckwrks 0.16 Haskell blog/CMS platform released. Includes a 
     screencast demonstrating clckwrks features.
     Domain: clckwrks.com, Score: 20, Comments: 2
     On Reddit: [31] http://goo.gl/Tp92p
     Original: [32] http://goo.gl/zV7Sj

Top StackOverflow Questions

   * Do Hask or Agda have equalisers?
     votes: 23, answers: 2
     Read on SO: [33] http://goo.gl/k74C9

   * Prove idempotency of type-level disjunction
     votes: 17, answers: 2
     Read on SO: [34] http://goo.gl/wsFUL

   * Internal representation of Haskell lists?
     votes: 16, answers: 2
     Read on SO: [35] http://goo.gl/TCGDk

   * GHC Generating Redundant Core Operations
     votes: 15, answers: 1
     Read on SO: [36] http://goo.gl/d9zWP

   * eliminating repetition in cabal files
     votes: 14, answers: 0
     Read on SO: [37] http://goo.gl/2StJ9

   * Translate from monad to applicative
     votes: 12, answers: 3
     Read on SO: [38] http://goo.gl/IbSUi

   * Memoizing multiplication
     votes: 10, answers: 2
     Read on SO: [39] http://goo.gl/EXvUk

   * Most efficient way to seek around in a large file
     votes: 9, answers: 1
     Read on SO: [40] http://goo.gl/C9FGp

   * Does Haskell optimizer utilize memoization for repeated function 
     calls in a scope?
     votes: 9, answers: 3
     Read on SO: [41] http://goo.gl/3qDPQ

   * Existential type in higher order function
     votes: 9, answers: 1
     Read on SO: [42] http://goo.gl/YfalJ

   * Haskell `ncurses` library
     votes: 9, answers: 2
     Read on SO: [43] http://goo.gl/w7vKf

Until next time,
+Daniel Santa Cruz

References


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