Welcome to issue 254 of the HWN, an issue covering crowd-sourced bits of information about Haskell from around the web. This issue covers from December 02, 2012 to January 05, 2013.
As some of you might have noticed, there has been an interruption in the scheduled transmission of the newsletter. I have, over the past few weeks, completed a move to NYC! It has been wonderful to meet many in the community at the Haskell NYC meetups. Here is to a great year for our cherised community.
Let's get things started out the right way, with a litte Lambda Style :-)
Quotes of the Week
- GuySteele: Some people prefer not to commingle the functional, lambda-calculus part of a language with the parts that do side effects. It seems they believe in the separation of Church and state.
- edwardk: type level ieee floats are a crime against nature. i had to implement them in c++ for template meta programming once. never ever again
- acowley: (regarding Proxy) Haven't you ever wanted to put something in a box and never think about it?
elliott: children - merijn: xenocons: I spend the entire week grading FP homework, I think it's impossible for you to surprise me :p
merijn: That's confusing :< - andr00: Today's software engineering word is "farpotshket." This is a Yiddish word meaning, "broken, because someone tried to fix it."
- dmwit: I know, I know. "0, 1, many". But then I also write most of my programs in a language whose type system has 4 levels. Four! Is that even a number??
- aristid: a dubious motivation IMHO
edwardk: i've had worse =P - ziarkaen: I'm thinking I can kill two birds with one stone by learning Haskell while producing a website, but all the birds are still alive at the moment.
- ion: monad.bind = function (func, args) { return func.apply(undefined, [value].concat(Array.prototype.slice.apply(args || []))); }; is idiomatic JavaScript?
- beaky: if stacks are recursion, what are queues?
Hafydd: Procrastination. - elliott: I think lens is the first library I've seen that promises letting you write abstract totally-inefficient-looking compositional code and getting reliably good compilation which has actually delivered on that promise.
- elliott: I didn't say half the things I said.
- shachaf: The two-letter and three-letter identifiers are for edwardk's libraries. The one-letter identifiers are for his actual code.
elliott: edwardk has non-library code? - neutrino: in many ways, Haskell is like this primodial soup out of which other languages end up springing
- mm_freak: bruce schneier is an endofunctor that turns all automorphisms into identities
- roconnor: where are all the category theoriest? why don't they already have all the answers for us?
edwardk: roconnor: this is the point in your career where you look around for the cavalry and realize that you're it ;) - cmccann: multi-letter type variables is an experimental new extension
- elliott: I can't remember the last time I wrote any Haskell without an evil grin.
- neutrino: when you're told you have to use javascript, the viable alternative always remains in seppuku. and it's much more honorable.
- shachaf: chrisdone: Please make Author not mandatory. [on hpaste]
donri: shachaf: just write "not shachaf" and no one will ever know it's you - tac: If you're not part of the solution, you're part of the precipitate
- cmccann: some people blame themselves, some people blame the language, but the people who really know what they're doing blame shachaf.
Top Reddit Stories
- The end of an era, and the dawn of a new one.
From (haskell.org), scored 148 with 32 comments. - Simon Peyton-Jones invests in FP Complete.
From (fpcomplete.com), scored 92 with 15 comments. - 24 Days of Hackage - Thank YOU!.
From (ocharles.org.uk), scored 88 with 12 comments. - Heist 0.10...now with a >3000x performance improvement.
From (snapframework.com), scored 81 with 38 comments. - 24 Days of Hackage: EKG.
From (ocharles.org.uk), scored 68 with 15 comments. - pipes-3.0: Simpler, unified API.
From (haskellforall.com), scored 64 with 71 comments. - Hoodle : Pen note-taking program written in haskell.
From (youtube.com), scored 64 with 21 comments. - 24 Days of Hackage: lens.
From (ocharles.org.uk), scored 62 with 46 comments. - Cartesian Closed Comic #19: Facebook.
From (ro-che.info), scored 61 with 8 comments. - Announcing: Snap Framework v0.10.
From (snapframework.com), scored 61 with 11 comments. - Surprises of the Haskell module system (part 1).
From (ro-che.info), scored 57 with 11 comments. - 24 Days of Hackage: configurator.
From (ocharles.org.uk), scored 53 with 7 comments. - Fay :: Haskell -> JavaScript.
From (fay-lang.org), scored 52 with 14 comments. - Announcing: Clay, a CSS preprocessor as a Haskell EDSL..
From (sebastiaanvisser.github.com), scored 52 with 53 comments. - 24 Days of Hackage: base.
From (ocharles.org.uk), scored 51 with 10 comments. - Haskell for all: The Continuation Monad.
From (haskellforall.com), scored 51 with 42 comments. - ANNNOUNCE: lens 3.7 released.
From (haskell.org), scored 50 with 9 comments. - 24 Days of Hackage: optparse-applicative.
From (ocharles.org.uk), scored 50 with 21 comments. - 24 Days of Hackage: snap.
From (ocharles.org.uk), scored 50 with 35 comments. - What doesn't Haskell do well?.
From (self.haskell), scored 47 with 153 comments. - 24 Days of Hackage: criterion.
From (ocharles.org.uk), scored 46 with 10 comments. - Some specific thoughts on why using Haskell makes you a better programmer..
From (dubhrosa.blogspot.co.uk), scored 46 with 30 comments. - Growing Haskell Platform.
From (mtnviewmark.wordpress.com), scored 43 with 16 comments. - 24 Days of Hackage: text.
From (ocharles.org.uk), scored 43 with 21 comments.
Top StackOverflow Questions
- What's the absurd function in Data.Void useful for?
votes: 34, answers: 5 - Benefit of avoiding multiple list traversals
votes: 27, answers: 4 - Images in Haddock documentation
votes: 22, answers: 2 - Idiomatic option pricing and risk using Repa parallel arrays
votes: 22, answers: 1 - How much memory does a thunk use?
votes: 21, answers: 2 - Can I constrain a type family?
votes: 20, answers: 2 - How to write platform-independent code in Haskell (ghc)
votes: 18, answers: 1 - Play a wav file with Haskell
votes: 17, answers: 3 - Why are difference lists more efficient than regular concatenation?
votes: 16, answers: 2 - GUI tools that are actively developed and well documented for Haskell
votes: 15, answers: 2 - What are the adjoint functor pairs corresponding to common monads in Haskell?
votes: 15, answers: 2
Until next time,
+Daniel Santa Cruz
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