--- Log opened Sun Apr 19 00:00:34 2009 |
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01:47 | < Rhamphoryncus> | Vornicus: actually, it's usually 80 bit on x87, although SSE2 apparently has some tricks to get real 64-bit |
02:00 | < Rhamphoryncus> | ahh, finally found an explicit claim. It is indeed the mantissa that x87 can reduce down, and the exponent that's permanently the larger size |
02:02 | < Rhamphoryncus> | Double precision actually gets you 1+15+52=68 bit, rather than 1+11+52=64 bit |
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03:59 | <@Derakon> | Mmph...I've solved about 15 PE problems today. I think I'm about done. ¬.¬ |
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17:33 | <@TheWatcher> | Ah, sod. I'm going to have to rewrite all this from scratch... |
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19:46 | <@AnnoDomini> | How do you set boolean fields using SQL? |
19:46 | <@AnnoDomini> | TRUE and FALSE? |
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19:49 | <@TheWatcher> | TRUE/true/1/FALSE/false/0 should work |
19:51 | | * AnnoDomini tries to remember the date format now. |
19:51 | <@TheWatcher> | ISO8601 should work normally |
19:51 | <@AnnoDomini> | YYYY/MM/DD should work, rite? |
19:52 | <@TheWatcher> | YYYY-MM-DD HH:MM:SS |
19:52 | <@AnnoDomini> | Thank you. |
19:55 | <@gnolam> | There is no date format but YYYY-MM-DD, and ISO 8601 is its prophet. |
19:56 | <@AnnoDomini> | I am intrigued and would like to subscribe to your newsletter. |
19:57 | | * AnnoDomini thinks. What's the probability that any software I make now will still be used in 3000 AD? |
19:58 | <@AnnoDomini> | Though, no. I don't think that will work. |
19:58 | <@Vornicus> | What are we working on here? |
19:59 | <@AnnoDomini> | I don't want to revise my database again, so I've got to figure out how to say "the book has been borrowed but hasn't been returned yet" with just when_out, when_in, and when_expected. |
19:59 | <@AnnoDomini> | Maybe set when_in to Jesus' birthday? :P |
19:59 | <@Derakon> | when_out IS NOT NULL and when_in IS NULL |
19:59 | <@AnnoDomini> | Hmm. |
20:00 | <@AnnoDomini> | Thanks, that works better, I think. |
20:00 | <@AnnoDomini> | I think I let that field be null, anyway, so it's all good. |
20:05 | <@AnnoDomini> | I'm sorta glad this thing is done with Java. I won't have to fuck around so much with making sure dates are handled correctly. |
20:08 | <@AnnoDomini> | Figuring out what the hell I'm doing will be a pain. I don't really like having stuff handled automatically that I don't understand, and here pretty much everything but writing methods will have to be. |
20:41 | <@gnolam> | Pah! |
20:41 | <@gnolam> | Silly image handling programs. |
20:41 | <@gnolam> | They choke on a little 21600x21600 bitmap. |
20:41 | <@Derakon> | Use ImageMagick~ |
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22:35 | <@ToxicFrog> | What Derakon said. |
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22:55 | <@McMartin> | 12:05 <@AnnoDomini> I'm sorta glad this thing is done with Java. I won't have to fuck around so much with making sure dates are handled correctly. |
22:55 | <@McMartin> | 12:08 <@AnnoDomini> Figuring out what the hell I'm doing will be a pain. I don't really like having stuff handled automatically that I don't understand, and here pretty much everything but writing methods will have to be. |
22:55 | <@McMartin> | Java's Calendar class is insanely awesome, and IIRC also handles lunar calendars and pre-Gregorian. |
22:56 | <@McMartin> | (I'm not sure about the lunar calendars, but it *does* have a defined constant for Undecimber, which is Month 13.) |
22:56 | <@AnnoDomini> | Those two lines are, uh, unrelated. I can understand what is happening in the date class, even if I can't see the specifics. |
22:56 | <@McMartin> | OK. |
22:57 | <@McMartin> | Well, almost. |
22:57 | <@McMartin> | Date isn't quite as awesome as Calendar. |
22:57 | <@McMartin> | And in fact I thought Date was deprecated for exactly that reason, unless I'm confused... |
22:57 | <@McMartin> | Which I might be, since it's been over a year since I've done that kind of data processing with it. |
22:57 | <@AnnoDomini> | The second line was aimed at using a Java IDE for a multi-part project. |
22:58 | | * AnnoDomini has to make a multi-level database-using thingie that has a JSF user interface. |
22:58 | <@McMartin> | Aha. |
22:58 | <@McMartin> | JSF is a buzzword I don't know |
22:59 | <@AnnoDomini> | Java Server Faces. |
22:59 | <@AnnoDomini> | It's like JSP Plus or something. |
22:59 | <@McMartin> | Also, Date is for system times/timestamps/etc, it looks like, while Calendar is for representing actual days and human-scale times. |
22:59 | <@McMartin> | Aha. |
22:59 | <@McMartin> | JSPs were the wrong answer to the right problem and they make a handy component for better solutions. |
23:00 | <@McMartin> | And even being wrong they're still a thousand times better than the most popular solution. |
23:00 | <@McMartin> | I'll take a JSP nightmare over a PHP app any day. >_< |
23:01 | <@AnnoDomini> | Anyways. This thing takes running the application server, the web server, the database server; is distributed into three subprojects; and it's full of things I don't begin to understand. |
23:01 | <@AnnoDomini> | Nonetheless, reverse-engineering from an example from a programmer's personal wiki, I managed to get my own project to compile and start. |
23:02 | <@McMartin> | You *should* be able to treat Tomcat and friends as if they're "the OS" for something like this, I think. |
23:02 | <@McMartin> | There's going to be voodoo, but these days there's voodoo for setting up a DirectX application or whatnot too, so =/ |
23:02 | <@AnnoDomini> | Now if I'd only understand how to format the persistence.xml file, which seems to be wrong... |
23:02 | <@AnnoDomini> | Yeah, Netbeans does the legwork for me. |
23:03 | <@McMartin> | One of the things IE is actually good at is making XML look sensible. |
23:03 | <@AnnoDomini> | This is what I object to - I have precious little clue what's happening behind my back. |
23:03 | <@McMartin> | Yeah. I'm saying that's not limited to fancy IDEs anymore. |
23:03 | <@AnnoDomini> | Mhm. |
23:04 | <@McMartin> | I program Windows at the Kernel32.dll/user32.dll level and I have the same experience. |
23:04 | <@McMartin> | (Oh god, CreateProcessExW) |
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23:39 | <@AnnoDomini> | This has got me stumped. I'd like to use my own database from the gods-damned PostgreSQL server that took so long to set up. But I can't, because I don't understand how the persistence.xml file works - using one from the tutorial, I'm able to use a sample database pre-installed into NetBeans. |
23:39 | <@AnnoDomini> | Grrr. |
23:41 | <@McMartin> | Blar. I know how to do that with raw JDBC, but that doesn't really help you. |
23:44 | <@AnnoDomini> | The data source is identified as 'jdbc/sample'. I assume it's some name (JNDI?) for the full JDBC setup somewhere else. How do I set a similar thing for my own connection (I have it in the services tab). |
23:44 | <@AnnoDomini> | *? |
23:45 | <@AnnoDomini> | http://pastie.org/451816 <- Here's the file that works with the sample database. |
23:46 | <@McMartin> | OK, I'm used to there being some class that is "The JDBC driver" and passing that class name as a string to an initializer. |
23:47 | <@McMartin> | I see nothing equivalent there, sorry. =/ |
23:48 | <@McMartin> | In other news, Parsec continues to be awesome. Too bad I don't have anything actually worthwhile to do with it. |
23:48 | <@AnnoDomini> | I'll go look at the services thing more. Maybe there's some kind of submenu where I can set things. |
23:48 | <@Vornicus> | Parsec? What's that, a Lua-based parser library? |
23:49 | <@McMartin> | Haskell-based. |
23:50 | <@Vornicus> | ah |
23:50 | <@McMartin> | Monadic Parser Combinators. |
23:50 | <@Vornicus> | I think my favorite language project name is still "unladen swallow" |
23:50 | <@McMartin> | ? |
23:51 | <@Vornicus> | It's a project to vastly increase the speed of the Python terp. |
23:51 | <@McMartin> | A...ha. |
23:51 | <@McMartin> | And yeah, I'm given to understand the python terp is pretty terrible. |
23:52 | | * AnnoDomini wonders how to stop a running project in NetBeans. So far I've been closing and opening whenever I need to modify things. |
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--- Log closed Mon Apr 20 00:00:49 2009 |