| --- Log opened Fri Apr 11 00:00:53 2014 |
| 00:03 | <@AnnoDomini> | Orbital speed is sqrt(GM/r), right? |
| 00:03 | <@AnnoDomini> | If so, then would the following be correct: orbiter.speed = EARTH_SPEED * pow(orbiter.parent->mass/SUN_MASS,0.5) * pow(EARTH_ORBIT/orbiter.orbit,0.5); |
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| 00:55 | <@AnnoDomini> | Wow, asteroids sure slow down animation. |
| 00:56 | | Turaiel[Offline] is now known as Turaiel |
| 01:12 | <@AnnoDomini> | Funky. A roiling mass of asteroids orbiting a bright star. Nothing else in the system. |
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| 02:23 | <@Reiv> | Anno: This is your Spaceship Heartbreaker? |
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| 05:29 | <@celticminstrel> | I expect this will explode. |
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| 05:38 | <@celticminstrel> | Yup, pretty much. |
| 05:43 | <~Vornicus> | Do you need Mr. Torgue to narrate your programming experience? |
| 05:43 | <@celticminstrel> | I dunno who that is. |
| 05:43 | <@celticminstrel> | Huh, my long is 8 bytes. |
| 05:45 | <@celticminstrel> | I'm pretty sure it was 4 bytes when this code was originally written. |
| 05:46 | <@celticminstrel> | I wonder if it was 8 bytes when I was having issues with things not being aligned. |
| 05:46 | <@celticminstrel> | That was two or three OS versions ago, though, so it might not have been. |
| 05:47 | <~Vornicus> | https://www.youtube.com/watch?v=suhpo61Ru3Q |
| 05:48 | <~Vornicus> | ^--- Mister Torgue. |
| 05:50 | <@celticminstrel> | Okay, the legacy structs now use exact-width types. |
| 05:50 | <@celticminstrel> | There were only two longs though. |
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| 05:53 | <~Vornicus> | Also the cat crashed xchat. |
| 05:53 | <@celticminstrel> | Fun. |
| 05:59 | <@celticminstrel> | Apparently int8_t is distinct from char. I suppose it's signed char. |
| 06:02 | <&McMartin> | EXPLOSIONS ARE NOT THE ANSWER |
| 06:02 | <&McMartin> | EXPLOSIONS ARE THE QUESTION |
| 06:02 | <&McMartin> | THE ANSWER IS *BOOOOOOOOOOOOOOM* |
| 06:02 | <@celticminstrel> | XD |
| 06:03 | <&McMartin> | ("Wait, your first name is Mister Torgue?" "YES!" "What's your last n-" "FLEXINGTON!!!!!") |
| 06:05 | <&McMartin> | I am alarmingly close to having written a complete parser for CBM BASIC. |
| 06:10 | <@Reiv> | McMartin: Stephen Colbert is going to drop his Colbert Show to, uh, replace Letterman |
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| 06:14 | <~Vornicus> | that is alarming. |
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| 06:14 | <~Vornicus> | Does it include the shortcut keywords |
| 06:17 | <&McMartin> | I'm actually consuming the results of SAVE/petcat's tokenizer |
| 06:17 | <&McMartin> | Which flattens those out |
| 06:17 | <&McMartin> | (but petcat knows them) |
| 06:18 | <~Vornicus> | aha |
| 06:18 | <~Vornicus> | "petcat" is almost a better utility name than "disarm" |
| 06:18 | <&McMartin> | petcat is my favorite program name |
| 06:19 | <~Vornicus> | (disarm doesn't exist, I think, though something like it does) |
| 06:20 | <&McMartin> | Anyway, petcat also bridges the gap between ASCII and PETSCII's extremely important typable control characters |
| 06:21 | <&McMartin> | 10 print "{clr}{12 down}{14 right}{wht}{rvon} omgwtfbbq {rvof}{lblu}" |
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| 06:32 | <@celticminstrel> | There seems to be a fair bit of redundancy when using PICT to store bitmaps. The bounding rect appears at least five times by my count. |
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| 10:39 | <@TheWatcher> | GODS DAMN YOU JAVASCRIPT |
| 10:39 | <&McMartin> | JavaScript exists: there are no gods |
| 10:53 | <@Azash> | Azash comes to mind |
| 10:58 | <@TheWatcher> | McMartin: on the contrary, I'd argue that Javascript's existence proves that there are gods. Dark, terrible, crazed gods that gnaw forever at the fabric of time and space, forever waiting for the time to come when they can extinguish and life and thought. |
| 11:01 | <@Azash> | TheWatcher: Beaten |
| 11:06 | <@TheWatcher> | s/h and l/h all l/ |
| 11:06 | <@TheWatcher> | Blasted headcold |
| 11:06 | | mode/#code [+o RchrdB] by ChanServ |
| 11:11 | <@TheWatcher> | Also, fuck DST in both ears with a rusty railway spike |
| 11:12 | <@TheWatcher> | Internally to this system, all timestamps are UTC. Because this is the only sane way. |
| 11:12 | <@TheWatcher> | The UI includes javascript date and pickers |
| 11:13 | <@TheWatcher> | User selects a time locally, it gets converted to UTC, sent to the server. |
| 11:14 | <@TheWatcher> | Which works fine, except that I now have users in UTC+8 and UTC-8 who want to be be able to set times in server local time, not their own. |
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| 11:52 | <@TheWatcher> | Aha, cracked it. |
| 12:01 | <&McMartin> | hax |
| 12:32 | < Xon> | http://article.gmane.org/gmane.os.openbsd.misc/211963 <- so much rofl |
| 12:36 | <@TheWatcher> | "OpenSSL is not developed by a responsible team." I thought that was pretty well established at this point >.> |
| 12:41 | < Xon> | haha yeah |
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| 13:01 | <&McMartin> | "you can't turn it off because they haven't tested without it in ages" |
| 13:01 | <&McMartin> | Well, maybe the distro guys might want to Get Cracking On That |
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| 14:20 | <@ErikMesoy> | Anyone know of a good design philosophy commentary on the subject of conditional, hidden, or tested dialogue options? The sort of thing that goes "Sally asks if you could help find her sword. 1: Accept. 2: Decline. 3: (Wisdom) You remember seeing it in the gutter." |
| 14:20 | <@ErikMesoy> | I'd like to not reinvent the wheel on how to implement these, when an option should be in the from-node or the to-node of conversation, etc. |
| 14:31 | < simon> | ErikMesoy, sounds like an opportunity to use ux.stackexchange.com :) |
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| 15:39 | <&ToxicFrog> | ErikMesoy: I don't know, but I do know it worked quite well in PST. |
| 15:40 | <&ToxicFrog> | Which also had intent-options, e.g. |
| 15:40 | <&ToxicFrog> | 1. Sorry, I don't have time. |
| 15:40 | <&ToxicFrog> | 2. [Truth] Sure, if I find it I'll return to you. |
| 15:41 | <&ToxicFrog> | 3. [Lie] Sure, if I find it I'll return it to you. |
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| 18:24 | <@celticminstrel> | My school sent a mass email about "Heartbleed". |
| 18:24 | <@celticminstrel> | Recommending the use of "strong" passwords. |
| 18:25 | <@celticminstrel> | No mention that three words all lowercase is at least as strong as their sample strong password. |
| 18:26 | < simon> | good. strong passwords will save us from 0-day exploits. |
| 18:27 | <@Tamber> | It actually got mentioned on the radio by name, today; which is my measuring-stick of how bad something in tech is. |
| 18:27 | <@celticminstrel> | But strong passwords are better if you can remember them. |
| 18:27 | <@Tamber> | ...probably helps that it's an easy to say and vaguely memorable name~ |
| 18:29 | <@celticminstrel> | Is entropy in cryptography related to entropy in thermodynamics? |
| 18:29 | <@celticminstrel> | (Random question.) |
| 18:33 | <@celticminstrel> | I kinda wish XCode's memory view could be bound to a pointer variable so that it would update when the pointer changes. |
| 18:54 | <&ToxicFrog> | ...yeah, strong passwords will not save you from heartbleed. |
| 18:54 | <&ToxicFrog> | Not even a little. |
| 18:54 | <@celticminstrel> | I think the idea was "change your passwords because they might have been compromised". |
| 18:54 | <@celticminstrel> | "And by the way, be sure to use strong ones." |
| 18:55 | <&ToxicFrog> | Well, in that case it should be "change your passwords on everything you use that has applied the fix" |
| 18:55 | <&ToxicFrog> | If it hasn't, don't bother until it has |
| 18:56 | <@celticminstrel> | They linked a page listing vulnerable sites. |
| 19:01 | <&ToxicFrog> | ..oh my god, I just found out why some of my tests were failing |
| 19:01 | <&ToxicFrog> | and it is so stupid |
| 19:01 | <&ToxicFrog> | (and also not my fault) |
| 19:06 | <@celticminstrel> | Okay, I'm off by one byte and I'm not sure why. |
| 19:06 | <@celticminstrel> | Oh! There's padding to make it word-aligned! |
| 19:06 | <@celticminstrel> | Uh, how do I deal with this. |
| 19:07 | <&ToxicFrog> | Specifically, 99% of the test-specific configuration stuff is handled by conditions in the configuration files themselves - e.g. flag { name foo, default true, if (testing) { default false } }. |
| 19:07 | <@celticminstrel> | "if(ptr % 4 != 0) skip next byte"? |
| 19:08 | <&ToxicFrog> | ...the other 1% is handled by a python script during test setup that runs after the configuration files are combined, but before the configuration is pushed, and basically runs sed on the combined configuration file to apply the test-specific configuration. |
| 19:08 | | * ToxicFrog applies fire, sword |
| 19:08 | <&ToxicFrog> | celticminstrel: "deal with" in what context? What are you writing/doing? |
| 19:08 | <@celticminstrel> | Extracting pixel data from a PICT resource in memory. |
| 19:14 | <&ToxicFrog> | Stuff is packed end to end, find start of next by reading <length> bytes from start of previous and then applying padding, a la RES? |
| 19:14 | <&ToxicFrog> | Short version: while (ptr % 4) ++ptr; |
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| 19:15 | <@celticminstrel> | I don't recall seeing a length field in the pixmap opcode. |
| 19:15 | <@celticminstrel> | % doesn't appear to work on pointers. |
| 19:15 | <@celticminstrel> | I suppose I could cast it to an integer. |
| 19:16 | <@celticminstrel> | Oh hey, there's an std::align, I wonder if that'll do what I want. |
| 19:16 | <~Vornicus> | PICT resources. Are you back at the blades of exile source here? |
| 19:17 | <@celticminstrel> | Yup. |
| 19:29 | <&ToxicFrog> | If there's no length field how do you know how long it is? |
| 19:32 | <@celticminstrel> | It's terminated by 00 FF (the "end picture" opcode). |
| 19:33 | <@celticminstrel> | I do have the size of the whole resource, but I don't think I have the size of the pixmap opcode. |
| 19:37 | <&ToxicFrog> | Aah. |
| 19:40 | | * ErikMesoy siiiighs at the complang's professor's choice of examples. |
| 19:40 | <@ErikMesoy> | Never/RB gonna/MD+TO give/VB you/PRP up/RP |
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| 20:12 | <@celticminstrel> | Well. It... sort of works. |
| 20:14 | | Kindamoody is now known as Kindamoody[zZz] |
| 20:15 | <@celticminstrel> | But why am I getting SIGABRT on closing the resource file... |
| 20:18 | <@celticminstrel> | Oh! I'm not supposed to dispose handles that I get from the resource manager. |
| 20:24 | <@celticminstrel> | And now I'm getting an error in library code. |
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| 21:08 | <&McMartin> | celticminstrel: entropy in information theory represents how "disordered"/"random-looking" a bitstream is |
| 21:08 | <&McMartin> | As such, it's a similar concept to the thermodynamic one, with the ironic twist that the more random-lookinga bitstream is, the more information it contains |
| 21:09 | <&McMartin> | "high information/high entropy" being basically synonymous with "does not compress well" |
| 21:10 | <@ErikMesoy> | That rage when the sample code in the textbook throws an error in a murky library :V |
| 21:26 | <@celticminstrel> | What's the right command to filter input and eliminate lines matching a pattern? grep -v does it, but exits with status 1 if no matching lines were found. |
| 21:28 | <@celticminstrel> | Hm, I'm not sure this error is in the library code at all; it's occurring in a different thread. |
| 21:30 | <@celticminstrel> | EXC_BAD_INSTRUCTION in thread CFPreferences Background Sync Queue. |
| 21:31 | <@celticminstrel> | With code=EXC_I386_INVOP, subcode=0x0. |
| 21:31 | <@celticminstrel> | That I386 looks vaguely suspicious, since I thought this was compiled as 64-bit. |
| 21:34 | <@celticminstrel> | Sometimes the thread is called "com.apple.root.default-overcommit-priority". |
| 21:38 | <@celticminstrel> | Maybe it's just interacting poorly with the debugger? |
| 21:38 | <@celticminstrel> | I dunno. |
| 21:42 | <@celticminstrel> | I think I'm converting the pixel data wrong. |
| 21:43 | <@celticminstrel> | Some colours are totally mangled, but others are correct. |
| 21:46 | <@celticminstrel> | I guess that's not the pixel data, then, since it's indexed colour. |
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| 21:51 | <@celticminstrel> | Oh, maybe I'm indexing the colour table wrong... |
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| 22:00 | <@celticminstrel> | That does not appear to be the issue. |
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| 22:27 | <@celticminstrel> | I may have found the issue. I was using signed types as indices. |
| 22:40 | <@celticminstrel> | Works! \o/ |
| 22:56 | <&McMartin> | http://www.cnet.com/how-to/which-sites-have-patched-the-heartbleed-bug/ |
| 23:09 | <@celticminstrel> | Tuple unpacking in C++. (Or pair unpacking in this case.) Whee! |
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| --- Log closed Sat Apr 12 00:00:09 2014 |