| --- Log opened Sat May 09 00:00:24 2009 |
| 00:16 | | * Vornicus-Latens fiddles with MS Office Mac 2008. Want to get rid of the Elements gallery. I'm a mathematician, not a middle manager. |
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| 01:43 | <@McMartin> | Rargh. |
| 01:43 | <@McMartin> | Is there a better way to do this? http://paste.ubuntu.com/167340/ |
| 01:43 | <@McMartin> | Screw you, Troika. |
| 01:43 | <@Derakon> | I saw it. |
| 01:44 | <@Derakon> | ...I'm guessing this is supposed to be the Haskell equivalent of "int(sqrt(x)) == sqrt(x)"? |
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| 01:57 | <@McMartin> | It's supposed to be "if n is a square, return the square root of n as an integer, otherwise return failure" |
| 02:03 | <@Derakon> | Okay, so if I translate this properly, it's "r = floor(sqrt(int(x))); if r == x, then return r, else return failure". |
| 02:03 | <@Derakon> | Er, "if r**2 == x, etc" |
| 02:04 | | mode/#code [-o+o McMartin McMartin] by Vornicus |
| 02:07 | <@McMartin> | That's what it says. This is in part because I can't ask if a number is equal to its own floor. |
| 02:07 | <@McMartin> | Which is the silliness. |
| 02:20 | <@MyCatVerbs> | McMartin: intsqrt x = let r = floor . sqrt . fromIntegral $ x in if (r*r)==x then Just r else Nothing -- no need for the seperate left f. |
| 02:20 | <@MyCatVerbs> | s/left/let/ |
| 02:21 | <@McMartin> | What you describe won't typecheck; f is being split out there so I can tell it that it's Integer -> Integer; otherwise it freaks out over typeclass assignment |
| 02:23 | <@MyCatVerbs> | You sure? I just typed it straight into ghci and got the type, intsqrt :: (Integral a,Integral b) => a -> Maybe b. |
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| 02:28 | <@McMartin> | Hm. |
| 02:28 | <@McMartin> | It works when I type it in, but I can't compile it |
| 02:28 | <@McMartin> | It freaks over RealFrac. |
| 02:30 | <@MyCatVerbs> | Odd. Worksforme. What version of GHC are you using? Perhaps the defaulting has changed. |
| 02:33 | <@McMartin> | 6.8.2 |
| 02:33 | <@MyCatVerbs> | Mine's ghc6.10.2, incidentally. |
| 02:33 | <@MyCatVerbs> | Hrmn. Ah, hang on. |
| 02:34 | <@McMartin> | ... oh hey |
| 02:35 | | * McMartin forgot the $ |
| 02:35 | <@MyCatVerbs> | Phew. I just tried it on my friend's box who has 6.8.3 installed, and it worked there, so I was starting to worry. :) |
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| 04:27 | < Vornicus> | Hey look, it's a "Hey look, it's a {Hey look, it's a /Hey look, it's a "Hey look, it's a (Hey look, it's a *Hey look, it's a /Hey look, it's a *Hey look, it's a (Hey look, it's a recursion cannon) recursion cannon* recursion cannon/ recursion cannon* recursion cannon) recursion cannon" recursion cannon/ recursion cannon} recursion cannon" recursion cannon |
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| 05:48 | < Rhamphoryncus> | Vornicus: I'm not sure what the point of that was, but somehow I want to smack you |
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| 06:10 | < Vornicus> | It was the Recursion Cannon. |
| 06:10 | < Vornicus> | I wrote it some years ago. |
| 06:10 | < Vornicus> | My favorite line is return recursionCannon(start,end,choice(rcannon_functions)(gestalt),prob) |
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| 09:41 | <@TheWatcher> | yey, recursion cannon! |
| 10:22 | <@jerith> | Dear Other Developers, When I ask for a sane db setup script so I can provide you with a repeatable test environment, "just dump this horribly inconsistent unversioned shared test db" is *not* a useful answer. Much love, The Guy Who Know Several Ways To Make You Die Screaming Over The Internet. |
| 10:34 | <@AnnoDomini> | +s |
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| 23:07 | <@Consul> | Okay, if I were able to minor in computer science (I'm majoring in engineering physics), what 2 or 3 CS classes would you recommend I take? I've already been told by one person to take a data structures class, but I want other opinions. |
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| 23:10 | < Vornicus> | Data Structures is a good one. |
| 23:10 | <@Derakon> | Agreed. |
| 23:11 | < Vornicus> | if you can take a NUmerical Methods or something like that course that would also be good; you're going to want to be able to do better than double rather often. |
| 23:11 | <@Derakon> | Algorithms, combinatorics, and graph theory all tend to be useful as well. |
| 23:13 | < Vornicus> | Data structures will probably touch on all three of those. |
| 23:13 | < Vornicus> | But only touch on. |
| 23:13 | <@Derakon> | Yeah. |
| 23:14 | <@Derakon> | If you're going to take three courses, I'd say data structures and algorithms should be two of them. |
| 23:14 | <@Derakon> | (Algorithms including big-O analysis, i.e. worst-case runtime, which is important for recognizing major sources of slowdown) |
| 23:14 | < Vornicus> | Yeah, I think my triad would be Data Structures, Algorithms, and Numerical Methods/Scientific Computing |
| 23:19 | <@Derakon> | Lessee...the upper-division courses I took were data structures, algorithms, large-scale development, graphics, digital engineering, and discrete mathematics. |
| 23:20 | < simontwo> | do you all go to the same university? |
| 23:20 | <@Derakon> | No. |
| 23:21 | <@Derakon> | (Discrete mathematics did combinatorics and graph theory, I note) |
| 23:21 | < simontwo> | the "Scientific Computing" course at my uni (copenhagen, denmark) sucked badly. |
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| 23:25 | < Vornicus> | Arg. handling human input is a paaaaiiiin |
| 23:26 | <@Derakon> | Heh. |
| 23:26 | < simontwo> | that's partly why I hate making interactive websites. |
| 23:30 | < Vornicus> | I'm working on a D&D 4e character sheet calculation tool. There's lots of validation that needs to happen that, if I could make this actually interactive, would not need to happen. |
| 23:30 | | * simontwo is planning to take Discrete Math and Mathematical Methods next year. |
| 23:30 | < simontwo> | Vornicus, do you operate on scanned sheets of paper or what? |
| 23:31 | < Vornicus> | simontwo: no, typed stuff, but for instance: it's "rogue", not "rouge" as one of my players typed. |
| 23:32 | <@Derakon> | Have a dropdown for available classes~ |
| 23:32 | < simontwo> | Vornicus, Levenshtein? |
| 23:32 | < Vornicus> | Der: a great idea! If only it were an actual interactive program instead of a batch-masher. |
| 23:33 | <@Derakon> | If only~ |
| 23:33 | < Vornicus> | (I do have a little PHP thing that generates lists of available feats, but it's very simple. |
| 23:34 | | * Derakon snerks at a video of someone playing Tetris on the NES, going for 999 lines...and ending up with A00 right afterwards. |
| 23:34 | <@Derakon> | Of course, he's also on level A5 now. |
| 23:35 | < Vornicus> | Heh |
| 23:38 | <@Derakon> | Around about D80 lines the block colors glitch. |
| 23:39 | < Vornicus> | Hee |
| 23:39 | <@Derakon> | Interesting. After F99 lines comes G00 lines and a momentary freeze. |
| 23:39 | < Vornicus> | Okay now that's impressive. |
| 23:40 | <@Derakon> | And then repeated freeze glitches every time he clears a line. |
| 23:40 | <@Derakon> | Including a flickering sprite dripping down the right side of the screen, Matrix-style. |
| 23:40 | <@Consul> | Thanks, guys! I don't know how many courses I'll be able to slip in as a minor. I'm thinking data structures and algorithms will be the big two. |
| 23:41 | <@Derakon> | They're both good 'uns. |
| 23:41 | <@Consul> | I'm hoping to talk to an advisor on Monday. |
| 23:41 | <@Derakon> | Good luck |
| 23:41 | <@Derakon> | ! |
| 23:41 | <@Consul> | But I'll push myself to get in all three. |
| 23:41 | < simontwo> | Consul, second or third year? |
| 23:42 | <@Consul> | I'll be starting my third year. |
| 23:42 | <@Consul> | Transferring from a 2-year school to uni. |
| 23:42 | <@Consul> | I've had math up to diff-eq, a C++ class, freshman physics, and freshman chemistry. |
| 23:43 | <@Consul> | Plus most of my non-technical requirements. |
| 23:43 | <@Consul> | Western civ, poli sci, and so on/. |
| 23:43 | <@Consul> | I still need a humanities and a foreign language. |
| 23:43 | <@Consul> | I'll probably take a music course, and Spanish. |
| 23:45 | < simontwo> | on another note, can one of you recommend a decent java IDE and how to install it on ubuntu? I'm as far as 'aptitude install sun-java6-jdk' now. |
| 23:46 | <@Derakon> | At around H30, it starts intermittently refusing to count lines. |
| 23:46 | < Vornicus> | Eclipse is the Usual Java IDE |
| 23:46 | < Vornicus> | Very heavy, but then that's Java for you. |
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| 23:51 | <@Derakon> | Heh. Then he gets stuck on level EA. |
| 23:51 | <@Derakon> | (As in, the level does not advance) |
| 23:51 | < Vornicus> | hm. this keyboard accepts 5 non-modifier keys with no apparent restrictions. This is better than any other keyboard I've used. |
| 23:53 | <@Derakon> | Oh incidentally, Vorn, for your valid-input thing, you could display a list of options and only accept numerical input, oldschool-style. |
| 23:54 | < Vornicus> | Yeah, I've been thinking about that way |
| 23:55 | < Vornicus> | But then... there is attributes. |
| 23:55 | < simontwo> | Vornicus, or use a guessing mechanism. would work for trivial typos. |
| 23:55 | <@Derakon> | Hee. Level wrapped around from 255 to 0 and the game suddenly slowed waaaaay down. |
| 23:55 | <@Derakon> | What about attributes? |
| 23:55 | <@Derakon> | There's a valid range for them, yes? |
| 23:55 | < simontwo> | Vornicus, also, PHP supports it through levenshtein() |
| 23:56 | < Vornicus> | A valid range, yes, and it's dependent on the other things, and... geh, how do I describe it. |
| 23:56 | < Vornicus> | I should probably look into PHP. |
| 23:56 | <@Derakon> | Betcha there are Perl and Python libs that do the same thing. |
| 23:56 | < Vornicus> | It does give the whole "shiny GUI" thing which has validation built in. |
| 23:57 | <@Derakon> | Maybe a commandline program you could invoke from bash, too. |
| 23:57 | <@Derakon> | Any web-oriented language can do that, I note. |
| 23:57 | < Vornicus> | Indeed. |
| 23:57 | <@Derakon> | My personal preference there would be for Perl. |
| 23:58 | | * Vornicus examines. |
| 23:59 | < Vornicus> | I could write a web service. |
| 23:59 | < simontwo> | Vornicus, you say character sheets are typed in currently. why not provide input validate at that point? |
| 23:59 | < simontwo> | s/validate/validation/ |
| 23:59 | <@Derakon> | That's what he's wrestling with. |
| 23:59 | < Vornicus> | Indeed. |
| --- Log closed Sun May 10 00:00:39 2009 |