| --- Log opened Mon May 08 00:00:58 2017 |
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| 02:53 | | * abudhabi finally finds out what the issue is with JavaFX and linux. |
| 02:53 | <@abudhabi> | Apparently, 1) openjfx is not installed with java 8 by default, 2) there are some discrepancies between Oracle's java and open java, so you need to edit a line in the default project properties file in Netbeans. |
| 02:54 | <@abudhabi> | It's straightforward if you know what to look for, but if you know what to look for, you already know how to solve it. |
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| 04:54 | <&McMartin> | Cripes |
| 04:54 | <&McMartin> | "There are also 11 different types of drag, but we need only concern ourselves with one of them, type 5. The others are all listed in the Programmer's Reference Manual." |
| 05:20 | <@Reiv> | what |
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| 05:30 | <&McMartin> | Workin' through some old tutorials |
| 05:30 | <&McMartin> | The 1990s were a grim time compared to what came after or, really, even before |
| 05:30 | <&McMartin> | Because doing the GUI thing was expected but we so did not have a frickin' clue how to |
| 05:31 | <&McMartin> | (Unless you were on a Mac, in which case you spent the 1980s being basically unable to create idiomatic software for the Mac *on* one. Most Mac development until the 1990s was done on Apple Lisas, which were hella expensive and had been discontinued for years) |
| 05:34 | <&McMartin> | (I am told that Mac development of the time was also horrendous manual handholding of even the most basic of interoperation with the rest of the system as well, but I have not delved this.) |
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| 06:41 | < Vornotron> | Jessikat: I remember writing resolve() for schlockian -- given a symbol it would figure out the value of that symbol and determining that I didn't know anywhere near enough about this sort of thing but at the time I had been programming for like six months and didn't know what an "lvalue" was |
| 06:57 | < Vornotron> | Hm. I seek a page that covers the bitwise operators and does so using symbols that work in python. |
| 06:57 | < Vornotron> | Like, there's the language reference, which describes the operators but doesn't really say what they do, and there's wikipedia, but that shows what the various operators do but doesn't use python's symbols |
| 07:00 | <&McMartin> | ... what are Python's symbols? |
| 07:00 | <&McMartin> | I'm used to <<, >>, >>>, &, |, ^, ~ |
| 07:00 | < Vornotron> | Those |
| 07:00 | <&McMartin> | Um |
| 07:00 | < Vornotron> | Well, except it doesn't have >>> |
| 07:01 | <&McMartin> | >>> is unsigned >> |
| 07:01 | <&McMartin> | But other than that, those are C's. Who's deviating from C? |
| 07:01 | < Vornotron> | Wikipedia uses words as opposed to names for & et al |
| 07:01 | < Vornotron> | words as opposed to symbols that is |
| 07:01 | <&McMartin> | ^ is a bit of an unfortunate choice, it is true. |
| 07:02 | < Vornotron> | In two ways! |
| 07:02 | <&McMartin> | APL or bust |
| 07:03 | <&McMartin> | YayPL |
| 07:05 | <&McMartin> | That said, why do you need this page |
| 07:05 | <&McMartin> | Surely you have mastered this by now |
| 07:05 | < Vornotron> | I may have, but I need to refer someone else to it |
| 07:05 | <&McMartin> | Link the two pages, tell them to start with the wikipage |
| 07:07 | <&McMartin> | OLD MAN, YOU SEEK THE MASTERY OF BITWISE OPERATORS |
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| 07:54 | <@abudhabi> | YOU HAVE COME TOO LATE. MY WORK HAS ALREADY MET WITH SUCCESS. |
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| 08:33 | < Jessikat`> | Vornotron - to be fair, I've gotten by with mostly a cursory and implicit understanding until I wrote that |
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| --- Log closed Mon May 08 11:57:20 2017 |
| --- Log opened Mon May 08 11:57:34 2017 |
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| 13:51 | < Vornotron> | hooray, partials |
| 13:53 | < RchrdB> | and sections? |
| 13:55 | < Vornotron> | just partials at the moment |
| 13:55 | < Vornotron> | (what's a section) |
| 14:01 | < RchrdB> | it's a shorthand syntax for writing partials with a 2-argument operator |
| 14:01 | < RchrdB> | so if I want to write the function "is x equal to 3?" I could write that as (\x -> 3 == x) or as ((==) 3) |
| 14:02 | < RchrdB> | (==) is the prefix form of ==, just in case you haven't seen that before |
| 14:02 | < RchrdB> | and the 'section' way of writing it is (3 ==) |
| 14:03 | < RchrdB> | it's nice for functions like (++ "banana") or ("banana" ++) where you care about whether the thing goes on the left side or the right side of the operator |
| 14:06 | < Vornotron> | mm. The function I'm partialling is actually a method with one argument. |
| 14:06 | < Vornotron> | (I'm also in python) |
| 14:43 | <&ToxicFrog> | Scala has _ as a special token for this, which is nice; (_ < 3) is a function of one argument that returns true if its argument is < 3 |
| 14:43 | <&ToxicFrog> | Means you can partial any subset of arguments in any order, and easily create fns on the fly from normal infix operators |
| 14:44 | < Jessikat`> | I think closure allows something similar? |
| 14:44 | < Jessikat`> | Clojure |
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| 14:48 | <&ToxicFrog> | Yeah, with the %(...) reader macro, using % or %n for arguments |
| 15:28 | < RchrdB> | I kind of like "_" as a name for that because it reminds me of $_ in Perl. |
| 15:29 | < RchrdB> | though I'm not certain; does it conflict with the use of "_" in patterns to mean "don't care, discard this term"? |
| 15:29 | < RchrdB> | I think it might not, which would be dandy. |
| 15:33 | <&ToxicFrog> | I don't think it does but it's been a while since I used scala. |
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| 19:02 | <&jeroud> | I hate writing test doubles for complicated third-party APIs. |
| 19:06 | <&jeroud> | (But it's better than not having them.) |
| 19:16 | <~Vornicus> | I've programmed to one service where the testing version is so accurate to reality that it will wait till 3 AM to mark payments as completed. |
| 19:17 | <~Vornicus> | This is ...not helpful when trying to write actual tests. |
| 19:20 | <&jeroud> | It's great when you get to control time. |
| 19:21 | <&jeroud> | Which is one of the reasons a test double for such services is great. |
| 19:22 | <&jeroud> | "set time to 4pm, perform transaction, fast forward time to 4am, check transaction" |
| 19:22 | <&McMartin> | That test sounds like a race condition waiting to happen |
| 19:25 | <~Vornicus> | in this case I'd just want it to fire its webhook immediately. |
| 19:28 | <&jeroud> | McMartin: Not if "control time" is part of the test double's API. |
| 19:29 | <&jeroud> | http://twistedmatrix.com/documents/current/api/twisted.internet.task.Clock.html |
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| 20:47 | <@abudhabi> | Hm. |
| 20:47 | <@abudhabi> | How does one use Java 8 stream lambdas to filter subclasses? |
| 20:48 | <@abudhabi> | I mean, I have B extends A and C extends A, and I have a list of A, and I want to filter B and return a List<B>. |
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| 20:52 | <@abudhabi> | Nevermind, I think I got it! |
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| --- Log closed Tue May 09 00:00:00 2017 |