| --- Log opened Thu Sep 13 00:00:05 2007 |
| 00:00 | | You're now known as TheWatcher[zZzZ] |
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| 00:48 | < MinceR> | gn |
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| 02:44 | <@McMartin> | Ah, ML. |
| 02:44 | <@McMartin> | val deriv : (float -> float) -> float -> float -> float = <fun> |
| 02:44 | <@Vornicus> | ;_; |
| 02:45 | <@McMartin> | let deriv f dx = function x -> (f(x +. dx) -. f(x)) /. dx;; |
| 02:45 | <@McMartin> | Really should be (float -> float) -> float -> (float -> float). |
| 02:49 | <@Vornicus> | madness. |
| 02:51 | <@McMartin> | Given a function f and a delta dx, it returns a function that approximates f'. |
| 02:51 | <@McMartin> | The smaller dx is, the better the approximation. |
| 02:52 | <@McMartin> | Until you start hitting floating point limits, anyway. |
| 02:52 | <@McMartin> | (One of OCaml's uglinesses compared to standard ML is that it requires different operators to work on floats; that's the +. and such) |
| 02:53 | <@Vornicus> | I recognized it, yes. |
| 02:54 | | * Vornicus <3 derivatives, because it's so cool to say "okay, so we've got this quotient with h on the bottom. now... set h to 0." |
| 02:55 | <@McMartin> | Well, calculus is basically All About dividing by zero for fun and profit. |
| 02:56 | <@Vornicus> | A very true thing. |
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| 04:41 | | ServerMode/#Code [+oo ToxicFrog McMartin] by DeepThought.NY.US.Nightstar.Net |
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| --- Log closed Thu Sep 13 09:29:58 2007 |
| --- Log opened Thu Sep 13 09:30:33 2007 |
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| 15:10 | < MinceR> | j0 |
| 16:38 | <@McMartin> | "Put your coworkers in the defect log; they're broken too" |
| 16:39 | < jerith> | So, I've been looking at switching my confbot (originally from http://coders.meta.net.nz/~perry/jabber/confbot.php but fairly heavily modified) over to the new version. |
| 16:40 | < jerith> | But the new version is a bit broken. |
| 16:40 | < jerith> | Mostly around plugins. |
| 16:40 | < jerith> | So I thought I'd lift supybot's plugin system. |
| 16:41 | < jerith> | It's BSD-licensed. |
| 16:41 | < jerith> | Except the confbot seems to have no license. |
| 16:42 | < jerith> | And the architecture (of the confbot) is pretty revolting. |
| 16:50 | < MyCatVerbs> | Howso? Whassit written in, anyway/ |
| 16:50 | < MyCatVerbs> | s/\//?/ |
| 16:50 | < jerith> | Python. |
| 16:51 | < jerith> | The plugin system's all I've really looked at so far. |
| 16:51 | < jerith> | Because that broke on statrtup. |
| 16:54 | < jerith> | And they also do a lot of "from foo import *" which is evil. |
| 16:55 | < jerith> | And quite a number of globals. |
| 16:55 | < jerith> | This will require some cleanup. |
| 16:56 | < jerith> | The first version was no better, but at least it was all contained. |
| 16:57 | < jerith> | It's going to be quite a bit of work before this thing is properly usable, though. |
| 16:58 | | * jerith ponders. In the right channel this time. |
| 16:59 | < jerith> | I should probably make my own branch. |
| 16:59 | < jerith> | In my own svn repo, even. |
| 16:59 | < jerith> | Oh, and the worst bit? They indent with tabs. |
| 17:00 | < Vornicus> | OH NOES |
| 17:00 | < jerith> | OH YESES |
| 17:01 | < Vornicus> | wuss |
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| 17:03 | < Solensean> | Could someone copy/past jerith's last statement for me? |
| 17:03 | < Solensean> | *paste |
| 17:04 | < jerith> | 17:59 * jerith ponders. In the right channel this time. |
| 17:04 | < jerith> | 17:59 < jerith> I should probably make my own branch. |
| 17:04 | < jerith> | 17:59 < jerith> In my own svn repo, even. |
| 17:04 | < jerith> | 18:00 < jerith> Oh, and the worst bit? They indent with tabs. |
| 17:04 | < Solensean> | Thanks. |
| 17:05 | < jerith> | It was about some Python code I'm hacking on. |
| 17:07 | < MyCatVerbs> | jerith: ...I *like* tabs. |
| 17:07 | | * MyCatVerbs grins. |
| 17:08 | < MyCatVerbs> | tabstop=3, shiftwidth=3, indent, noexpandtab. :) |
| 17:08 | < jerith> | MyCatVerbs: I have no real problem with them myself, except that the whole rest of the world has standardised on four spaces for Python indents. |
| 17:08 | <@McMartin> | Tabs in python are only acceptable if they're the only thing ever used, and if nobody else's editor ever ever messes with them. |
| 17:08 | <@McMartin> | Apparently MCV has standardized on three~ |
| 17:09 | < jerith> | Nothing a "find . -name '*.py' | xargs sed -i 's/\t/ /g'" won't fix, though. |
| 17:09 | < jerith> | McMartin: Not if you're an open-source project. |
| 17:09 | < MyCatVerbs> | McMartin: I just happen to like the look of C & Java best when they're indented by three columns per level of indentation, and when it's achieved using tabs. |
| 17:10 | < MyCatVerbs> | McMartin: I do not at all object, however, to the idea of running, say, s/^I/ /g over every single bit of code I ever write before handing it off to someone else. |
| 17:11 | < MyCatVerbs> | (And, also, I don't really much like the look of C or Java an awful lot at the best of times anyway. ^^) |
| 17:12 | < jerith> | The problem is that I only discovered it was tabs when I inserted a line and it gave me a syntax error. |
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| 18:18 | < MyCatVerbs> | jerith: heh. |
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| 21:47 | <@McMartin> | Man, it's not easy to get information on chips with the opcode "BRA". There's all this irrelevant other data. |
| 21:47 | | * AnnoDomini laughs. |
| 21:48 | <@McMartin> | Uh, actually, it occurs to me that there are some old-school hackers in here. |
| 21:48 | <@McMartin> | Anyone know offhand of 6502 variants that have that opcode? The 2A03 and 6510 don't. |
| 21:48 | <@McMartin> | The 65816 seems to, but I'm not counting it |
| 21:49 | <@McMartin> | Er, not counting it as a 6502 variant. |
| 21:51 | <@ToxicFrog> | All the MC68* chips do, as I recall. Both the 68xxx processors and the 68HCxx microcontrollers. |
| 21:51 | <@ToxicFrog> | But that doesn't really help you. |
| 21:51 | <@McMartin> | Yeah, this in the context of a bug report saying I "forgot that opcode" in P65 |
| 21:52 | <@McMartin> | Er. Mnemonic. Followed by me checking my manuals and finding the claimed opcodes for that mnemonic to be "For Future Expansion". |
| 21:52 | <@McMartin> | Followed by me emailing him back and saying "Uh, I checked here and here and I go tnothin'. Refs plz?" |
| 21:52 | <@McMartin> | No word back yet. |
| 21:53 | <@McMartin> | But if there's a major chipset I'm missing that I can patch in as an option for free, I might as well add it along with .charset for P65 1.0 |
| 21:55 | <@McMartin> | Ding! |
| 21:55 | <@McMartin> | 65C02. |
| 21:55 | <@McMartin> | Apple IIc, later-era IIes, and the TG16 used it. |
| 21:59 | < Vornicus> | Man, the TurboGrafx16. |
| 22:02 | <@McMartin> | Actually, the Apple angle makes supporing 65C02 opcodes more urgent, since the intended Last Feature (.charset) was explicitly to make the Apple ][ work. |
| 22:02 | <@McMartin> | Since its charset is, um, Very Not ASCII. |
| 22:04 | < MinceR> | ebcdic? |
| 22:05 | <@McMartin> | Nope |
| 22:05 | <@McMartin> | That was an IBM mainframe thing. |
| 22:05 | <@McMartin> | It was just their own thing. |
| 22:07 | <@McMartin> | (In particular, the Apple II one at least had continuous letters.) |
| 22:07 | <@McMartin> | (So did EBCDIC, but only as no nybble had a value larger than 9!) |
| 22:07 | <@McMartin> | (The BCD in EBCDIC is for "Binary Coded Decimal", where 9 + 1 = 16. |
| 22:07 | <@McMartin> | ) |
| 23:52 | | You're now known as TheWatcher[T-2] |
| 23:54 | | You're now known as TheWatcher[zZzZ] |
| --- Log closed Fri Sep 14 00:00:02 2007 |