| --- Log opened Mon Sep 24 00:00:53 2012 |
| 00:07 | | Courage [Moltare@583787.FF2A18.190FE2.4D81A1] has quit [[NS] Quit: ] |
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| 01:36 | < Reiv> | Nothing to nothing works? |
| 01:36 | | * Reiv misses something entirely there. |
| 01:37 | <@Tamber> | "Nothing there" to "Something there, but doesn't work", presumably. |
| 01:39 | <&ToxicFrog> | Yeah, it's (nothing) -> (nothing works) |
| 01:43 | < Reiv> | oh right |
| 01:45 | <@Alek> | yep. |
| 02:17 | | Attilla [Obsolete@Nightstar-fe8a9746.as43234.net] has quit [Ping timeout: 121 seconds] |
| 03:16 | <&Derakon> | * Derakon finally gets around to fixing the fact that the "wait one turn" command doesn't actually work. |
| 03:16 | <&Derakon> | <myshkin> And then he rested. |
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| 12:53 | < Nemu> | Hmm, shit. Researchers. |
| 12:53 | < Nemu> | Just inherited some code for an experiment stimulus package. |
| 12:54 | < Nemu> | The researcher who wrote it, possessing a master's degree in some comp.sci field, wrote a 1000 line if elseif statement. |
| 12:55 | < Nemu> | There's something like thirty different cases. Each case has it's own flag. So, each elseif statement has about four lines of conditions |
| 12:59 | < Nemu> | The cases themselves are indecipherable. if isrunning && current <= 3 && ~errorflag && param.params.state > 1 ..... |
| 13:00 | < Nemu> | It's bothersome, because they'd like me to add another case. I'm tempted to pull a few late nights and start over from the beginning. |
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| 14:11 | <&jerith> | That sounds like a job for an explicit state machine. |
| 14:11 | <&jerith> | What's test coverage like? (ha ha ha) |
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| 15:22 | <&McMartin> | jerith's right; you should even be able to turn it into one by tracking the flags. |
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| 15:42 | < gnolam> | It's... ALIVE! |
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| 16:19 | < gnolam> | http://www.lysator.liu.se/~gnolam/projects/radiacopter/pico-itx.jpg |
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| 16:25 | <~Vornicus> | I don't see how an explicit state machine helps here; it'd still be a thousand line switch |
| 16:32 | <&ToxicFrog> | That is not how you do state machines~ |
| 16:37 | <&jerith> | At the moment, it's an implicit state machine. |
| 16:39 | <&ToxicFrog> | Vornicus: more seriously, if your language has tail call elimination, you can make each state a function and just call other states directly. |
| 16:39 | <&ToxicFrog> | If it doesn't, you can still make each state a function, you just need a trampoline between them. |
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| 17:48 | < Rhamphoryncus> | What I'd worry about is how many of the if statements have subtly excluded by the if statements above them |
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| 17:52 | < Rhamphoryncus> | It's a good bet there's numerous bugs lurking in there and related code, which would be exposed by refactoring it |
| 17:53 | < AnnoDomini> | Hmm. What's the easiest way to concatenate AVI files under Linux? |
| 17:55 | <&ToxicFrog> | mencoder, I think |
| 17:55 | <&ToxicFrog> | Although it might be possible with VLC |
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| 17:57 | < AnnoDomini> | mencoder worked! |
| 17:58 | < AnnoDomini> | Thank you. |
| 18:00 | <&jerith> | Rhamphoryncus: This is why it needs test coverage. |
| 18:03 | < Rhamphoryncus> | To figure out what it's doing, but a really good refactoring could make tests redundant |
| 18:14 | < froztbyte> | hmmmmmm, I don't know |
| 18:14 | < froztbyte> | I'd rather write the tests regardless |
| 18:14 | < froztbyte> | presumably the previous author had never thought anyone else might touch the code after him |
| 18:14 | < froztbyte> | s/him/them/ |
| 18:15 | < froztbyte> | so writing the tests is a fairly good way to make it future-safe too |
| 18:22 | | * gnolam flails at his various probes and test cables. |
| 18:23 | < gnolam> | This --> <-- close to being able to improvise a PS/2 connector. :P |
| 18:25 | < froztbyte> | hahaha |
| 18:26 | < froztbyte> | I did that once |
| 18:26 | < froztbyte> | used a cork |
| 18:26 | < froztbyte> | that board setup from earlier looks pretty cool, btw |
| 18:26 | < froztbyte> | is that a rasp-pi, or something else? |
| 18:27 | < gnolam> | Pico-ITX. Fanless, wide-temperature EPIA P830. |
| 18:28 | < froztbyte> | nice |
| 18:30 | < gnolam> | So it's more powerful than my last laptop. |
| 18:31 | < froztbyte> | I wouldn't even have a use for one, but I want one :D |
| 18:35 | <&jerith> | Rhamphoryncus: The tests are to ensure that you've refactored correctly. |
| 18:36 | < Rhamphoryncus> | Yes, but if there's numerous bugs you're going to rewrite the tests as you go |
| 18:37 | < Rhamphoryncus> | And tests are most useful when behaviour is least obvious |
| 18:38 | < Rhamphoryncus> | For something like this the tests might be just as bulky and unobvious as the refactored code |
| 18:50 | <&jerith> | Sure. |
| 18:50 | <&jerith> | But at least you know you've refactored the code correctly. |
| 18:53 | | * gnolam returns home with a borrowed USB keyboard. |
| 18:53 | < gnolam> | Awright. Attempt 2. |
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| 19:29 | < gnolam> | Qapla'! |
| 19:32 | <~Vornicus> | Qapla'! |
| 19:33 | < gnolam> | Windows 7 installed on it. |
| 20:01 | <&jerith> | Qapla'! |
| 20:08 | < Moltare> | Capstan! |
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| 22:31 | < iospace> | well i have a ncie burn on my fingertip now |
| 22:32 | < iospace> | i decided to touch a hot PCIe switch Dx |
| 22:39 | <@Tamber> | You have the part number burnt, in reverse, into your finger? :p |
| 22:46 | < iospace> | no |
| 22:46 | < iospace> | >_> |
| 22:46 | < iospace> | i had to go get a heatsink for it though |
| 22:46 | < iospace> | >_> |
| 22:46 | < iospace> | (the switch, not my finger) |
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| 23:46 | < Nemu> | Very late, but Rhamphoryncus, almost every if is masked by the one above. The program is expected to fall through the whole statement until it finds a valid case. |
| 23:47 | < Nemu> | I don't even want to imagine what the logic conditions would look like if every if was designed to stand alone |
| --- Log closed Tue Sep 25 00:00:09 2012 |