| --- Log opened Sat Aug 04 00:00:21 2012 |
| 00:25 | | You're now known as TheWatcher[T-2] |
| 00:29 | | himi [fow035@Nightstar-5d05bada.internode.on.net] has joined #code |
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| 00:39 | | You're now known as TheWatcher[zZzZ] |
| 00:52 | <&ToxicFrog> | real2m29.983s user0m7.452s sys0m0.472s |
| 00:52 | <&ToxicFrog> | WHAT THE FUCK IS GOING ON HERE |
| 00:53 | <&Derakon> | Massive I/O bottleneck? |
| 01:08 | <&ToxicFrog> | Derakon: I'd assume so, except that the only difference between this and hello world, iowise, is that this loads a single 30k from disk |
| 01:08 | <&ToxicFrog> | *a single 30k file |
| 01:08 | <&ToxicFrog> | And hello world runs in like ten seconds with a cold block cache and instantly otherwise |
| 01:09 | <&Derakon> | Some kind of resource lock contention, then? |
| 01:11 | <&ToxicFrog> | That |
| 01:11 | <&McMartin> | The file being re-read 47 million times? |
| 01:11 | <&ToxicFrog> | 's what I'm wondering |
| 01:11 | <&ToxicFrog> | Can't imagine what, though |
| 01:14 | <&McMartin> | dtrace? |
| 01:15 | <&ToxicFrog> | McMartin: not familiar with that one |
| 01:52 | | Derakon is now known as Derakon[AFK] |
| 01:54 | <&ToxicFrog> | Derakon[AFK]: I found the problem! |
| 01:55 | <&ToxicFrog> | That long delay is the XML parsing library fetching the DTD and all of the files it includes from the apallingly slow W3C servers |
| 02:25 | <~Vornicus> | |
| 02:26 | <&McMartin> | \o/ |
| 02:26 | <~Vornicus> | w.t.f. |
| 03:12 | < Namegduf> | Haha, wow. |
| 03:12 | <&McMartin> | Which library is this? |
| 03:13 | < Namegduf> | That teaches you for using opaque libraries for a language whose parsing rules are too complex to understand the impact of. :P |
| 03:13 | <&McMartin> | They aren't that complex |
| 03:13 | <&McMartin> | There's a URL at the very top of the document that says "this is the DTD of this document" |
| 03:16 | < Namegduf> | Doesn't seem like it was particularly easy to get from that to "the library will retrieve this and all dependencies", though. |
| 03:16 | < Namegduf> | (Also that's one specific rule out of about a million) |
| 03:16 | < Namegduf> | (The XML spec is absurd) |
| 03:20 | <&ToxicFrog> | Namegduf: well, if it doesn't do that it can't validate the document, as required by the spec |
| 03:21 | <&ToxicFrog> | McMartin: clojure.xml |
| 03:21 | <&ToxicFrog> | Really the takeaway here is "fuck xml" |
| 03:23 | <&McMartin> | "fuck DTDs"~ |
| 03:23 | <&McMartin> | There's gotta be a way to get rid of that behavior, because that's silly |
| 03:23 | | Kindamoody is now known as Kindamoody[zZz] |
| 03:24 | <&ToxicFrog> | There is. It involves bypassing clojure.xml to adjust half a dozen poorly documented configuration flags in the Java XML parser itself. |
| 03:29 | <&ToxicFrog> | It is in fact vastly more concise to just rewrite the XML as it's read to omit the DTD |
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| 04:43 | < cpux> | XML is nice. But I can't help but think, it's salad dressing. |
| 04:44 | <&McMartin> | whut |
| 04:54 | <&ToxicFrog> | XML is nice for its originally intended purpose, which no-one on earth uses it for. |
| 04:54 | <&ToxicFrog> | Or rather, would be nice, if it weren't hideously overspecified and a parsing nightmare. |
| 04:55 | <&McMartin> | Certain subsets of XML are handy if what you are primarily doing is generating large amounts of marked-up text. |
| 04:57 | | Vash[CoH] is now known as Vash |
| 04:59 | <&ToxicFrog> | Yes. |
| 04:59 | <&ToxicFrog> | My point is that no-one uses it for that. |
| 05:00 | <~Vornicus> | Um |
| 05:01 | <&ToxicFrog> | (Yes, I am parsing XHTML, but at this point XHTML is a complete typesetting and document description format that incidentally contains small fragments of marked-up text) |
| 05:33 | < cpux> | Aaaand......I use it to store data on an overloaded server. Because ISO standards demand it. o_O |
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| 06:24 | < Rhamphoryncus> | yasttc.cpp:243:8: error: non-const lvalue reference to type 'Globe' cannot bind to a |
| 06:24 | < Rhamphoryncus> | temporary of type 'int' |
| 06:24 | < Rhamphoryncus> | Globe &globe(7); |
| 06:24 | < Rhamphoryncus> | ^ ~ |
| 06:25 | | * Rhamphoryncus 's brain twists |
| 06:25 | < Rhamphoryncus> | Wait, nevermind :P |
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| 09:34 | < Rhamphoryncus> | gee, this would be easier if I already had some matrix and vector types with examples of rotation OWAIT |
| 10:02 | | Kindamoody|brunch is now known as Kindamoody |
| 10:12 | | You're now known as TheWatcher |
| 10:20 | < Rhamphoryncus> | ... oi, it's simpler than I realized. I already had everything I needed to figure this out >.> |
| 10:20 | < Rhamphoryncus> | Specifically the dihedral angle |
| 10:24 | | Kindamoody is now known as Kindamoody|chores |
| 10:46 | < Rhamphoryncus> | Grrrr. Ask qalculate for acos(-1/sqrt(5))) in degrees and I get ~116.6?. Ask for pi - acos(-1/sqrt(5))) and I get.. -113.4? |
| 10:48 | < Rhamphoryncus> | I have no idea what that could mean or if it's a bug |
| 10:53 | | You're now known as TheWatcher[CATT] |
| 11:17 | < Rhamphoryncus> | Damnit, my brain is just going in circles. Can anybody help me straighten this out? |
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| 14:19 | < froztbyte> | ask wolframalpha? |
| 14:19 | < froztbyte> | my brain is entirely useless to advanced thinking of any kind today |
| 14:19 | | * froztbyte has slept 3 hours |
| 14:23 | < Rhamphoryncus> | I have it open at the moment, but I have no idea how to get what I need |
| 14:24 | < froztbyte> | just throw the formula at it |
| 14:24 | < Rhamphoryncus> | Which formula? |
| 14:24 | < froztbyte> | it should give you a few options for interpretation if it reckons there are multiple answer types |
| 14:24 | < froztbyte> | or you could ask it for attributes of the thing you want to figure out |
| 14:24 | < froztbyte> | and it'll spew facts it can find about that thing |
| 14:25 | < Rhamphoryncus> | geometric properties for the pentakis dodecahedron doesn't include the vertices |
| 14:25 | < froztbyte> | http://www.wolframalpha.com/input/?i=vertices+for+a+pentakis+dodecahedron ? |
| 14:26 | < Rhamphoryncus> | hrm |
| 14:26 | < froztbyte> | http://www.wolframalpha.com/input/?i=pentakis+dodecahedron&lk=1&a=ClashPrefs_*Po lyhedron.PentakisDodecahedron- also has some info that appears like it might be useful |
| 14:28 | < Rhamphoryncus> | I think that's rotated |
| 14:29 | < Rhamphoryncus> | And unfortunately it's more of a dump of hardcoded values than a method for computing them |
| 14:30 | < froztbyte> | ah |
| 14:31 | < froztbyte> | it seems like it might be possible to get something out of those geometric properties |
| 14:31 | < froztbyte> | but that's just a guess |
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| --- Log closed Sun Aug 05 00:00:35 2012 |