| --- Log opened Thu Mar 30 00:00:14 2017 |
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| 00:48 | | * celticminstrel wonders if Boost is the best choice for coroutines... |
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| 00:57 | <&McMartin> | It's not ideal but you're hard-pressed to find a better one for C++ |
| 00:58 | <&McMartin> | Otherwise your best option is to use a language with built-in support for them or something that looks like them |
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| 02:07 | <&Derakon> | Mental note: when writing interactive commandline programs, there is an important difference between sys.stdin.read() and sys.stdin.readline(). |
| 02:09 | <&McMartin> | ... yes |
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| 02:31 | <&Derakon> | Ahh, regexes. |
| 02:31 | <&Derakon> | ((?:\d*?)):?((?:\d*?)):?(\d+),?(\d*) |
| 02:31 | <&Derakon> | Sure, that makes sense. |
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| 03:02 | <&Derakon> | First draft of subtitle-writing script works...until my timestamp calculation logic hits the first minute. Whoops. |
| 03:02 | <&Derakon> | Guess I get to write the subtitle-amending-and-appending logic earlier than expected. |
| 03:08 | | * Vornicus can understand that. |
| 03:26 | <&Derakon> | Okay, I've been working on this for an hour and a half, and I have one minute of subtitles! |
| 03:26 | <&Derakon> | The curse of the programmer. |
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| 04:24 | < Azash> | ((?:\d*?)) < What does the second question mark do? |
| 04:27 | <~Vornicus> | Minimizes match length |
| 04:27 | < Azash> | Oh, huh |
| 04:28 | < Azash> | Thank you, I didn't know about that |
| 04:28 | < Azash> | Is there a functional difference between ((?:\d*?)) and (\d*?) ? |
| 04:28 | <~Vornicus> | I don't understand why der did that, that's for sure |
| 04:29 | | * Azash suspects there was more in the outer parentheses originally and it was left as-is when culled |
| 04:32 | < Azash> | Also question about that original regexp, if you had, say, 00:01:51,123, wouldn't it match (,,00,) rather than (00,01,51,123)? |
| 04:42 | <~Vornicus> | no, because it's still not allowed to *skip* things |
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| 05:09 | < Azash> | Vornicus: So \d*? is at least one token long? Or? |
| 05:09 | < Azash> | I mean yes it would be different if it was anchored to something like ^regex foo$ or whatever, but |
| 05:10 | <~Vornicus> | At least zero tokens long, but: regex always always matches the *earliest thing it can* |
| 05:11 | <~Vornicus> | And it never skips characters except for the lead |
| 05:12 | <~Vornicus> | so ((?:\d*?)):?((?:\d*?)):?(\d+),?(\d*) will match to (00, 01, 51, 123) for your sample, because that's the earliest matching thing. |
| 05:12 | <~Vornicus> | On the other hand, it will match 01:51,123 to (,01,51,123) |
| 05:18 | <~Vornicus> | THis is because the first capture doesn't consume anything, because it doesn't have to to proceed. |
| 05:29 | < Azash> | Vornicus: Right but I meant that if you aren't actually binding the end of the regex to the end of the string somehow |
| 05:30 | < Azash> | Since both the colons are optional and the only capture that must be at least 1 token is the third one and that's the first greedy one |
| 05:30 | <~Vornicus> | That one must start way later |
| 05:30 | <~Vornicus> | Because of that, it's not the one that gets found |
| 05:30 | <~Vornicus> | regex always always matches the earliest thign it can. |
| 05:32 | <~Vornicus> | the match that collects all four pieces starts at position 0; the one you suggest starts at position 6. |
| 05:32 | < Azash> | 06:32 < Azash> Also question about that original regexp, if you had, say, 00:01:51,123, wouldn't it match (,,00,) rather than (00,01,51,123)? |
| 05:33 | < Azash> | The (a,b,c,d) refers to the captures |
| 05:33 | < Azash> | I'm asking if the third capture would match the starting 00 and the rest be empty |
| 05:33 | <~Vornicus> | Can't. |
| 05:34 | | * Vornicus eyes |
| 05:36 | <~Vornicus> | wait, I guess it cn, how is it doing that |
| 05:37 | < Azash> | Vornicus: Because ((?:\d*?)):?((?:\d*?)):?(\d+),?(\d*) is, broken down |
| 05:38 | <~Vornicus> | yeah, okay, it is. how the heck do you prevent it |
| 05:38 | < Azash> | Anchor it |
| 05:38 | < Azash> | I presume that for example this is meant to continue with text |
| 05:38 | <~Vornicus> | so you'd probably glom a space on there and then it'd work |
| 05:38 | < Azash> | ^((?:\d*?)):?((?:\d*?)):?(\d+),?(\d*) +(.+)$ |
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| 22:08 | < Kizor> | Hello, #code. |
| 22:09 | < Kizor> | I need your help, and I'm going to ask for it in the form of an imgur album. |
| 22:09 | < Kizor> | http://imgur.com/a/AJjCQ |
| 22:15 | < Kizor> | (Or should I cut out the visual aids and move to pastebin?) |
| 22:16 | <~Vornicus> | hooray for visual aids |
| 22:20 | < Kizor> | These are more like visual harms |
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| 23:46 | | * Jessikat has apparently discovered a case in C++ where she has *had* to define hash and equal_to functors inside the class body, otherwise things just don't work |
| 23:50 | <&McMartin> | ... is that in fact rare? |
| --- Log closed Fri Mar 31 00:00:15 2017 |