| --- Log opened Mon May 30 00:00:09 2016 |
| 00:09 | <@Azash> | I always thought this was the best description of debugging https://www.youtube.com/watch?v=31g0YE61PLQ |
| 00:16 | <&Derakon> | For me it's the one where the guy discovers a light bulb's gone out, so he goes to fix it and discovers something else has gone wrong, eventually his wife asks him what he's doing under the car and he says "fixing the light bulb, what does it look like?" |
| 00:21 | <~Vornicus> | that's yak shaving |
| 00:22 | <&Derakon> | That's not a term I've ever had defined for me. |
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| 00:27 | <~Vornicus> | Basically, yak shaving is that. |
| 00:27 | <~Vornicus> | You have a problem, and your work to fix it takes you so far away from the initial problem that if someone looked over your shoulder they'd think you were doing something completely different |
| 00:28 | <@ErikMesoy> | You want to mow the lawn, but you lent your lawnmower to the neighbor, so you have to ask the neighbor for it back, but the neighbor had lent you a pair of fancy yakhair pillows in return, so you have to return those, but the stuffing has gone out of one of the pillows, and the store doesn't stock that kind of stuffing, so... |
| 00:28 | <@ErikMesoy> | off to the zoo for yak shaving it is, so that you can mow the lawn! |
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| 01:07 | <@Reiv> | Isn't that an RPG quest line? |
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| 01:38 | <~Vornicus> | basically |
| 01:41 | <@ErikMesoy> | Isn't that several thousand RPG quest lines? |
| 01:43 | <@Reiv> | To rephrase, then |
| 01:43 | <@Reiv> | Isn't that the quinessential quest line, etc |
| 01:53 | <@ErikMesoy> | One of two. The other is "kill five million yaks". |
| 01:53 | <&McMartin> | Collecting one hair from each |
| 01:53 | <@ErikMesoy> | (Gather five million yak hairs from their corpses. Craft five million yak hair pillows.) |
| 01:54 | <@Reiv> | McMartin: Yak Hair has a 40% drop rate, with a 30% chance of Yak Skull and 27% chance of Yak Horn; there's also a 2% chance of an Uncommon item, and 1% chance of rolling a Rare. |
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| 08:12 | <@simon_> | the linq-to-sql library (no longer maintained, sort of deprecated in favor of EntityFramework) has this limitation where it only allows 2100 query parameters. |
| 08:12 | <~Vornicus> | that sounds like it's usually enough |
| 08:12 | <@simon_> | yeah. it sounds like that number should never be exceeded. |
| 08:13 | <@simon_> | still, sometimes a huge number of parameters are injected into sql, e.g. if they're piped through a UI. |
| 08:14 | <@simon_> | instead of improving linq provider, or *never doing that*, my coworker decided to associate every IQueryable<T> with an int usedParameters. so all our API calls really have two return values; the IQueryable<T> and the int usedParameters. |
| 08:15 | <~Vornicus> | all... right then |
| 08:15 | <@simon_> | so, uh, it really sounds like these should be collected and managed in *one* entity. e.g. IQueryables are monoids, and so are IQueryables-where-we-keep-count-of-usedParameters. |
| 08:15 | <~Vornicus> | at that, 2100 is kind of an arbitrary number. |
| 08:15 | <@simon_> | I'm not sure why. |
| 08:16 | <@simon_> | and exceeding this number is exceedingly stupid. actually, I'm rewriting a huge bunch of query methods because they take too long to execute because of thousands of DECLAREs. (i.e., *binding the query parameters* is what takes time) |
| 08:17 | <@simon_> | argh... I wanted to ask the question "should my internal IQueryable<T> methods be like 'internal IQueryable<OrmFoo> BuildFooQuery(DataContext context, out int usedParameters, ...)' or 'internal int BuildFooQuery(DataContext context, out IQueryable<Foo> query, ...)', but the whole question is a giant compromise that I don't like, so either way it's sub-standard.) |
| 08:18 | <@simon_> | really I should make my own derivation of whatever class I've got under IQueryable that just adds together those query parameters and blows up if it exceeds the arbitrary maximum. |
| 08:19 | <@simon_> | >_< |
| 08:19 | <@simon_> | I'm so much looking forward to be able to design stuff from scratch. |
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| 14:33 | <@simon_> | what's a neat way to see if one string is fuzzily contained within another? |
| 14:33 | <@simon_> | my needle string might be a sentence, and my haystack might be a word-wrapped set of paragraphs. |
| 14:34 | <@simon_> | but there might also be encoding problems of certain characters. |
| 14:34 | <@simon_> | pure Levenshtein isn't going to work, because the one string is clearly greater. |
| 14:36 | <@simon_> | ah - this is so cool. http://ginstrom.com/scribbles/2007/12/01/fuzzy-substring-matching-with-levenshte in-distance-in-python/ |
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| 14:52 | <@celticminstrel> | I don't understand how the table works though. |
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| 15:13 | <@simon_> | celticminstrel, normally the (i,j)th cell is the distance between the first i characters of the first string and the first j characters of the second string. so the bottom right is the distance from the first string, in total, to the second string, in total. |
| 15:14 | <@simon_> | celticminstrel, the table gets built incrementally by knowing the distance for shorter strings, so the final answer accumulates at the end. |
| 15:15 | <@simon_> | here's something funny I found: ir.idt.net will give a 500 Internal Server Error if the User-Agent containts the word 'bot' (case insensitive). |
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| 23:30 | | * McMartin reorganizes this article *again* |
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| --- Log closed Tue May 31 00:00:20 2016 |