jpthing's articles:

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sudoku anyone? 20 211 (1/30/2010 1:18:10 AM) comp.lang.lisp Been learning unix system administration lately so I haven't had much time to program. (Unless you call basic scripting programming.) Today I took some time off so I made a rough prototype of a sudoku. To m... John

Is there a better way to store this? 13 32 (11/6/2009 4:08:46 PM) comp.lang.lisp I am writing a 'guess the animal' game for my Lisp book of games. This game uses a binary deduction tree. The thing is this tree needs to be stored to and loaded from disk. This is a simple game and I don't w... John

coders at work 4 38 (10/15/2009 3:45:55 PM) comp.lang.lisp Just thought I would let you know that Peter Seibel Has a new book out. Coders at work. I already ordered a copy.. -- Sendt med Operas revolusjonerende e-postprogram: http://www.opera.com/mail/ ... John

Wake Oslo lispers Erik Naggum 5 44 (6/24/2009 1:16:05 AM) comp.lang.lisp Can we get together and commemorate this man? friday at 18.00 at Smuget. http://vibb.no/Company.asp?CompanyID=890 -------------- John Thingstad ... John

Jan Garbarek 1 37 (1/8/2009 2:24:50 PM) comp.lang.lisp In case you just want to listen to some music. http://www.youtube.com/watch?v=gGsrpEn70Ao -------------- John Thingstad ... John

tracing all functions in a package 6 29 (8/29/2008 8:35:48 PM) comp.lang.lisp I wanted to trace all functions in a package and ended up with the unusually thorny code.. (loop for sym being each present-symbol in :pat-match if (fboundp sym) do (eval `(trace ,sym))) Is there a better... John

optimation, a black art? 16 43 (7/2/2008 10:18:46 PM) comp.lang.lisp I have lately been discovering the weird and wonderful world of modern micro processor architecture. One of the best impulses came last week. (Can't find the thread thad suggested this one. sorry!) http://w... John

Mathematica 20 years 0 51 (6/23/2008 9:07:49 PM) comp.lang.lisp Just in case someone wondered where he got the idea take a look at this.. http://www.wolfram.com/company/scrapbook/#preWRI_Macsyma -------------- John Thingstad ... John

pretty printing, a lost art? 9 36 (6/17/2008 7:28:36 PM) comp.lang.lisp Just read through the document "XP A Common Lisp Pretty Printing system"= = (http://dspace.mit.edu/handle/1721.1/6503) Wrote this trivial test: Given a the factulty of 100 print the digits in groups of 3 s... John

Efficiency model for a RISC processor 1 32 (5/25/2008 9:02:16 PM) comp.lang.c++ I don't understand the efficiency model for modern processors. (The last processor I programmed in assembly was a 386) That is parallel processors, pipelining, processor cashes etc.. Could you recommend a book ... John

jpthing's replies:

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Re: I would appreciate a code review 10 23 (3/16/2012 11:29:49 AM) comp.lang.lisp Kent M. Pitman wrote: > > Define a function that takes a list and returns a list indicating the > > number of times each (eql) element appears, sorted from most common > > element to least common. > > > >(... w_a_x_man (2779)

Re: LISP PROGRAMMING 28 47 (3/17/2012 1:55:12 AM) comp.lang.lisp Two Pascals with one stone. Pascal Bourguignon wrote: > Pascal Costanza writes: > > Wade Humeniuk wrote: > > > sharda mishra wrote: > > > >> Hello every one > > > >> PLEASE help me writing the followi... w_a_x_man (2779)

LOOPy source 4 25 (3/18/2012 3:19:15 PM) comp.lang.lisp It is astonishing and dismaying that there are some with flaccid brains who trust---are even completely dependent upon---this pile of shit. They don't know how to use map or filter or reduce. They are not pro... w_a_x_man (2779)

re: How to improve the readability of (any) LISP or any highlevel functional language to the level of FORTH ? 7 26 (3/21/2012 11:18:02 AM) comp.lang.lisp The Quiet Center wrote: > How would you code this simple list compression problem in Ruby: > > 1.08 (**) Eliminate consecutive duplicates of list elements. > If a list contains repeated elements they sh... w_a_x_man (2779)

Re: Can you help me get rid of the setf? #2 5 27 (4/6/2012 3:47:56 PM) comp.lang.lisp Frank Buss wrote: > andrew.ba...@gmail.com wrote: > > I'm looping over two variables to maximize a function, returning x and > > y that maximize f. Any way to do it without the setf in the body? > > Looks... w_a_x_man (2779)

Learning Lisp #5 118 55 (5/7/2012 10:44:45 AM) comp.lang.lisp Recently started learning lisp, firstly, I have to admit I really do love all the paranthesis. But there are other features of my old language that I do miss. Is lisp frequently used to develop web pages, if s... photonpackets (1)

re: lisp newbie here #3 1 18 (5/26/2012 1:01:39 PM) comp.lang.lisp Alex Mizrahi wrote: > in kmrcl package you can find such implementations: > > (defun alist-plist (alist) > (apply #'append (mapcar #'(lambda (x) (list (car x) (cdr x))) alist))) Racket: (flatte... w_a_x_man (2779)

re: matrix operations 2 32 (6/1/2012 4:16:05 AM) comp.lang.lisp Barry Margolin wrote: > Zachary Turner wrote: > >I've got a 3x3 matrix, stored as ((r1c1 r1c2 r1c3) (r2c1 r2c2 r2c3) (r3c1 > >r3c2 r3c3)). I want to check if any of the columns have the same three > ... w_a_x_man (2779)

Optimizing simple Common Lisp gibbs sampler program 28 26 (6/2/2012 8:25:35 AM) comp.lang.lisp Hi, I think this is my first post to comp.lang.lisp. I recently posted the following question to StackOverflow: http://stackoverflow.com/questions/10813398/optimizing-simple-common-lisp-gibbs-sampler-pro... faheem (35)

summing in a loop and iterate 17 24 (6/14/2012 5:38:46 PM) comp.lang.lisp ;;Use the iterate package (let ((data '(("AB" A 12 6) ("AB" G 13 4) ("AB" A 56 9) ("AB" A 450 10) ("AB" G 380 5)))) (iterate (for i in data) (cond ((eql (cadr i) 'A) (sum (caddr i) int... franco (243)