<div dir="ltr"><div>Welcome to issue 258 of the HWN, an issue covering crowd-sourced bits</div><div>of information about Haskell from around the web. This issue covers the</div><div>week of February 03 to 09, 2013.</div><div>

<br></div><div>Quotes of the Week</div><div><br></div><div>   * shachaf: The trouble with the lens rabbit hole is that there are a</div><div>     <span class="" style="white-space:pre">        </span>      few of us here at the bottom, digging.</div>

<div><br></div><div>   * monochrom: &quot;a monad is like drinking water from a bottle without</div><div>     <span class="" style="white-space:pre">                </span>human mouth touching bottle mouth&quot;</div><div><br></div><div>

Top Reddit Stories</div><div><br></div><div>   * GHCi 7.4.2 is finally working on ARM</div><div>     Domain: <a href="http://luzhuomi.blogspot.com">luzhuomi.blogspot.com</a>, Score: 49, Comments: 15</div><div>     On Reddit: [1] <a href="http://goo.gl/yBh9o">http://goo.gl/yBh9o</a></div>

<div>     Original: [2] <a href="http://goo.gl/Kgx9R">http://goo.gl/Kgx9R</a></div><div><br></div><div>   * Implementation of a Java Just In Time Compiler in Haskell</div><div>     Domain: <a href="http://blog.wien.tomnetworks.com">blog.wien.tomnetworks.com</a>, Score: 41, Comments: 15</div>

<div>     On Reddit: [3] <a href="http://goo.gl/BjpX3">http://goo.gl/BjpX3</a></div><div>     Original: [4] <a href="http://goo.gl/f1Qrh">http://goo.gl/f1Qrh</a></div><div><br></div><div>   * I/O is pure</div><div>     Domain: <a href="http://chris-taylor.github.com">chris-taylor.github.com</a>, Score: 32, Comments: 41</div>

<div>     On Reddit: [5] <a href="http://goo.gl/pYMXz">http://goo.gl/pYMXz</a></div><div>     Original: [6] <a href="http://goo.gl/9xeKd">http://goo.gl/9xeKd</a></div><div><br></div><div>   * Introduction to Haskell, Lecture 4 is Live (Pattern matching and Guards)</div>

<div>     Domain: <a href="http://shuklan.com">shuklan.com</a>, Score: 28, Comments: 7</div><div>     On Reddit: [7] <a href="http://goo.gl/wvFO6">http://goo.gl/wvFO6</a></div><div>     Original: [8] <a href="http://goo.gl/sKF5C">http://goo.gl/sKF5C</a></div>

<div><br></div><div>   * What makes comonads important?</div><div>     Domain: self.haskell, Score: 20, Comments: 41</div><div>     On Reddit: [9] <a href="http://goo.gl/CqS7Z">http://goo.gl/CqS7Z</a></div><div>     Original: [10] <a href="http://goo.gl/CqS7Z">http://goo.gl/CqS7Z</a></div>

<div><br></div><div>   * OdHac, the Haskell Hackathon in Odessa</div><div>     Domain: <a href="http://haskell.org">haskell.org</a>, Score: 18, Comments: 2</div><div>     On Reddit: [11] <a href="http://goo.gl/ZumYI">http://goo.gl/ZumYI</a></div>

<div>     Original: [12] <a href="http://goo.gl/Pfuaq">http://goo.gl/Pfuaq</a></div><div><br></div><div>   * NYC Haskell Meetup Video: Building a Link Shortener with Haskell and Snap</div><div>     Domain: <a href="http://vimeo.com">vimeo.com</a>, Score: 18, Comments: 3</div>

<div>     On Reddit: [13] <a href="http://goo.gl/j42PG">http://goo.gl/j42PG</a></div><div>     Original: [14] <a href="http://goo.gl/RRgsl">http://goo.gl/RRgsl</a></div><div><br></div><div>   * Evaluation-State Assertions in Haskell</div>

<div>     Domain: <a href="http://joachim-breitner.de">joachim-breitner.de</a>, Score: 18, Comments: 6</div><div>     On Reddit: [15] <a href="http://goo.gl/lMMT1">http://goo.gl/lMMT1</a></div><div>     Original: [16] <a href="http://goo.gl/7eLI5">http://goo.gl/7eLI5</a></div>

<div><br></div><div>   * A post about computational classical type theory</div><div>     Domain: <a href="http://queuea9.wordpress.com">queuea9.wordpress.com</a>, Score: 17, Comments: 14</div><div>     On Reddit: [17] <a href="http://goo.gl/r8DOO">http://goo.gl/r8DOO</a></div>

<div>     Original: [18] <a href="http://goo.gl/UIxIY">http://goo.gl/UIxIY</a></div><div><br></div><div>   * parellella has a forum board for haskell. anyone working in this direction?</div><div>     Domain: <a href="http://forums.parallella.org">forums.parallella.org</a>, Score: 13, Comments: 5</div>

<div>     On Reddit: [19] <a href="http://goo.gl/BSfRd">http://goo.gl/BSfRd</a></div><div>     Original: [20] <a href="http://goo.gl/qLnG0">http://goo.gl/qLnG0</a></div><div><br></div><div>   * Haskell Lectures - University of Virginia (Nishant Shukla)</div>

<div>     Domain: <a href="http://shuklan.com">shuklan.com</a>, Score: 13, Comments: 3</div><div>     On Reddit: [21] <a href="http://goo.gl/CxTPI">http://goo.gl/CxTPI</a></div><div>     Original: [22] <a href="http://goo.gl/JkhXz">http://goo.gl/JkhXz</a></div>

<div><br></div><div>   * NYC Haskell Meetup Video: Coding and Reasoning with Purity, Strong Types and Monads</div><div>     Domain: <a href="http://vimeo.com">vimeo.com</a>, Score: 13, Comments: 2</div><div>     On Reddit: [23] <a href="http://goo.gl/MmGZb">http://goo.gl/MmGZb</a></div>

<div>     Original: [24] <a href="http://goo.gl/Vj63w">http://goo.gl/Vj63w</a></div><div><br></div><div>   * Introducing fixed-points via Haskell</div><div>     Domain: <a href="http://apfelmus.nfshost.com">apfelmus.nfshost.com</a>, Score: 9, Comments: 34</div>

<div>     On Reddit: [25] <a href="http://goo.gl/UuCc1">http://goo.gl/UuCc1</a></div><div>     Original: [26] <a href="http://goo.gl/SCVJc">http://goo.gl/SCVJc</a></div><div><br></div><div>Top StackOverflow Questions</div>

<div><br></div><div>   * Is spoon unsafe in Haskell?</div><div>     votes: 19, answers: 2</div><div>     Read on SO: [27] <a href="http://goo.gl/6RDku">http://goo.gl/6RDku</a></div><div><br></div><div>   * What general structure does this type have?</div>

<div>     votes: 17, answers: 4</div><div>     Read on SO: [28] <a href="http://goo.gl/2GV0V">http://goo.gl/2GV0V</a></div><div><br></div><div>   * Why aren&#39;t Nums Ords in Haskell?</div><div>     votes: 14, answers: 2</div>

<div>     Read on SO: [29] <a href="http://goo.gl/8Hrkn">http://goo.gl/8Hrkn</a></div><div><br></div><div>   * Why does cabal install reinstall packages already in .cabal/lib</div><div>     votes: 12, answers: 1</div><div>

     Read on SO: [30] <a href="http://goo.gl/yMXCh">http://goo.gl/yMXCh</a></div><div><br></div><div>   * Free Monad of a Monad</div><div>     votes: 12, answers: 2</div><div>     Read on SO: [31] <a href="http://goo.gl/kpV2q">http://goo.gl/kpV2q</a></div>

<div><br></div><div>   * Haskell pattern match “diverge” and ⊥</div><div>     votes: 11, answers: 2</div><div>     Read on SO: [32] <a href="http://goo.gl/VeRUJ">http://goo.gl/VeRUJ</a></div><div><br></div><div>   * How can one make a private copy of Hackage</div>

<div>     votes: 11, answers: 2</div><div>     Read on SO: [33] <a href="http://goo.gl/ZNAwL">http://goo.gl/ZNAwL</a></div><div><br></div><div>   * Recursion Schemes in Agda</div><div>     votes: 9, answers: 1</div><div>
     Read on SO: [34] <a href="http://goo.gl/xtmqr">http://goo.gl/xtmqr</a></div>
<div><br></div><div>Until next time,</div><div>+Daniel Santa Cruz</div><div><br></div><div>References</div><div><br></div><div>   1. <a href="http://luzhuomi.blogspot.com/2013/02/ghci-742-is-finally-working-on-arm.html">http://luzhuomi.blogspot.com/2013/02/ghci-742-is-finally-working-on-arm.html</a></div>

<div>   2. <a href="http://www.reddit.com/r/haskell/comments/17zxgj/ghci_742_is_finally_working_on_arm/">http://www.reddit.com/r/haskell/comments/17zxgj/ghci_742_is_finally_working_on_arm/</a></div><div>   3. <a href="http://blog.wien.tomnetworks.com/2013/02/06/thesis/">http://blog.wien.tomnetworks.com/2013/02/06/thesis/</a></div>

<div>   4. <a href="http://www.reddit.com/r/haskell/comments/17zqgr/implementation_of_a_java_just_in_time_compiler_in/">http://www.reddit.com/r/haskell/comments/17zqgr/implementation_of_a_java_just_in_time_compiler_in/</a></div>

<div>   5. <a href="http://chris-taylor.github.com/">http://chris-taylor.github.com/</a></div><div>   6. <a href="http://www.reddit.com/r/haskell/comments/1874at/io_is_pure/">http://www.reddit.com/r/haskell/comments/1874at/io_is_pure/</a></div>

<div>   7. <a href="http://shuklan.com/haskell/lec04.html">http://shuklan.com/haskell/lec04.html</a></div><div>   8. <a href="http://www.reddit.com/r/haskell/comments/17y18q/introduction_to_haskell_lecture_4_is_live_pattern/">http://www.reddit.com/r/haskell/comments/17y18q/introduction_to_haskell_lecture_4_is_live_pattern/</a></div>

<div>   9. <a href="http://www.reddit.com/r/haskell/comments/185k0s/what_makes_comonads_important/">http://www.reddit.com/r/haskell/comments/185k0s/what_makes_comonads_important/</a></div><div>  10. <a href="http://www.reddit.com/r/haskell/comments/185k0s/what_makes_comonads_important/">http://www.reddit.com/r/haskell/comments/185k0s/what_makes_comonads_important/</a></div>

<div>  11. <a href="http://www.haskell.org/pipermail/haskell-cafe/2013-February/106216.html">http://www.haskell.org/pipermail/haskell-cafe/2013-February/106216.html</a></div><div>  12. <a href="http://www.reddit.com/r/haskell/comments/17xxyf/odhac_the_haskell_hackathon_in_odessa/">http://www.reddit.com/r/haskell/comments/17xxyf/odhac_the_haskell_hackathon_in_odessa/</a></div>

<div>  13. <a href="http://vimeo.com/59109358">http://vimeo.com/59109358</a></div><div>  14. <a href="http://www.reddit.com/r/haskell/comments/185la5/nyc_haskell_meetup_video_building_a_link/">http://www.reddit.com/r/haskell/comments/185la5/nyc_haskell_meetup_video_building_a_link/</a></div>

<div>  15. <a href="https://www.joachim-breitner.de/blog/archives/590-Evaluation-State-Assertions-in-Haskell.html">https://www.joachim-breitner.de/blog/archives/590-Evaluation-State-Assertions-in-Haskell.html</a></div><div>

  16. <a href="http://www.reddit.com/r/haskell/comments/1870oe/evaluationstate_assertions_in_haskell/">http://www.reddit.com/r/haskell/comments/1870oe/evaluationstate_assertions_in_haskell/</a></div><div>  17. <a href="http://queuea9.wordpress.com/2012/11/05/canonize-this/">http://queuea9.wordpress.com/2012/11/05/canonize-this/</a></div>

<div>  18. <a href="http://www.reddit.com/r/haskell/comments/180uqv/a_post_about_computational_classical_type_theory/">http://www.reddit.com/r/haskell/comments/180uqv/a_post_about_computational_classical_type_theory/</a></div>

<div>  19. <a href="http://forums.parallella.org/viewforum.php?f=21">http://forums.parallella.org/viewforum.php?f=21</a></div><div>  20. <a href="http://www.reddit.com/r/haskell/comments/180muq/parellella_has_a_forum_board_for_haskell_anyone/">http://www.reddit.com/r/haskell/comments/180muq/parellella_has_a_forum_board_for_haskell_anyone/</a></div>

<div>  21. <a href="http://shuklan.com/haskell/index.html">http://shuklan.com/haskell/index.html</a></div><div>  22. <a href="http://www.reddit.com/r/haskell/comments/184r9v/haskell_lectures_university_of_virginia_nishant/">http://www.reddit.com/r/haskell/comments/184r9v/haskell_lectures_university_of_virginia_nishant/</a></div>

<div>  23. <a href="http://vimeo.com/59215336">http://vimeo.com/59215336</a></div><div>  24. <a href="http://www.reddit.com/r/haskell/comments/185li3/nyc_haskell_meetup_video_coding_and_reasoning/">http://www.reddit.com/r/haskell/comments/185li3/nyc_haskell_meetup_video_coding_and_reasoning/</a></div>

<div>  25. <a href="http://apfelmus.nfshost.com/blog/2010/07/02-fixed-points-video/player.html">http://apfelmus.nfshost.com/blog/2010/07/02-fixed-points-video/player.html</a></div><div>  26. <a href="http://www.reddit.com/r/haskell/comments/186bi1/introducing_fixedpoints_via_haskell/">http://www.reddit.com/r/haskell/comments/186bi1/introducing_fixedpoints_via_haskell/</a></div>

<div>  27. <a href="http://stackoverflow.com/questions/14710928/is-spoon-unsafe-in-haskell">http://stackoverflow.com/questions/14710928/is-spoon-unsafe-in-haskell</a></div><div>  28. <a href="http://stackoverflow.com/questions/14715811/what-general-structure-does-this-type-have">http://stackoverflow.com/questions/14715811/what-general-structure-does-this-type-have</a></div>

<div>  29. <a href="http://stackoverflow.com/questions/14690608/why-arent-nums-ords-in-haskell">http://stackoverflow.com/questions/14690608/why-arent-nums-ords-in-haskell</a></div><div>  30. <a href="http://stackoverflow.com/questions/14699269/why-does-cabal-install-reinstall-packages-already-in-cabal-lib">http://stackoverflow.com/questions/14699269/why-does-cabal-install-reinstall-packages-already-in-cabal-lib</a></div>

<div>  31. <a href="http://stackoverflow.com/questions/14740213/free-monad-of-a-monad">http://stackoverflow.com/questions/14740213/free-monad-of-a-monad</a></div><div>  32. <a href="http://stackoverflow.com/questions/14698414/haskell-pattern-match-diverge-and">http://stackoverflow.com/questions/14698414/haskell-pattern-match-diverge-and</a></div>

<div>  33. <a href="http://stackoverflow.com/questions/14758423/how-can-one-make-a-private-copy-of-hackage">http://stackoverflow.com/questions/14758423/how-can-one-make-a-private-copy-of-hackage</a></div><div>  34. <a href="http://stackoverflow.com/questions/14699334/recursion-schemes-in-agda">http://stackoverflow.com/questions/14699334/recursion-schemes-in-agda</a></div>

<div>  35. <a href="https://plus.google.com/105107667630152149014/about">https://plus.google.com/105107667630152149014/about</a></div><div><br></div></div>