| --- Log opened Mon May 07 00:00:03 2007 |
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| 14:37 | < MzCoCoPoP> | Raif is ^horny@Nightstar-22484.hsd1.ca.comcast.net * I love cock up my ass |
| 14:37 | < MzCoCoPoP> | Raif on @#cocklovers #Code @#? @#looking_For_guys |
| 14:37 | < MzCoCoPoP> | Raif using DeepThought.NY.US.Nightstar.Net |
| 14:37 | < MzCoCoPoP> | Raif has been idle 30 secs, signed on Mon May 07 23:40:16 2007 |
| 14:37 | < MzCoCoPoP> | Raif End of /WHOIS list. |
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| 18:09 | <@ToxicFrog|wr0k> | ...what the fuck, aptitude. |
| 18:09 | <@ToxicFrog|wr0k> | I mean, honestly. |
| 18:09 | <@jerith> | ? |
| 18:09 | <@ToxicFrog|wr0k> | ...ok, apt-get goes it too. |
| 18:09 | <@ToxicFrog|wr0k> | *does it too. |
| 18:10 | <@ToxicFrog|wr0k> | jerith: if you have any dependency issues - like, say, you had to install an odd library version because Ubuntu refuses to acknowledge the existence of 32-bit apps - apt-get and aptitude will refuse to do anything until you "fix" this. |
| 18:10 | <@ToxicFrog|wr0k> | In this case, the "fix" would cause, err, xclock to start working again. At the cost of breaking Opera and NXclient. |
| 18:11 | <@jerith> | I think there's a "peg this package at version x" option somewhere... |
| 18:11 | <@ToxicFrog|wr0k> | Yeah, the issue here is that it's the latest version, it's the wrong /arch/ |
| 18:12 | <@ToxicFrog|wr0k> | So it wigs out because xclock is missing its libraries and refuses to install anything until I install the x86_64 version. |
| 18:12 | <@jerith> | Ah. |
| 18:12 | | * jerith ponders. |
| 18:12 | <@ToxicFrog|wr0k> | And installing the x86_64 version breaks vital software because Ubuntu has dick in the way of 32bit support. |
| 18:13 | <@ToxicFrog|wr0k> | Between this and having to manually hack xorg.conf to get dual-head working, I am forced to conclude that Ubuntu's claims of being the most user-friendly linux are, in fact, damn lies. |
| 18:13 | <@jerith> | :-/ |
| 18:19 | | You're now known as TheWatcher |
| 18:24 | < GeekSoldier_> | the claims are valid if you intend to use it on 32bit platform on one monitor, with a default install set. |
| 18:24 | < GeekSoldier_> | :) |
| 18:42 | <@ToxicFrog|wr0k> | GeekSoldier_: as long as you never ever install the display configuration tools! |
| 18:42 | <@ToxicFrog|wr0k> | Because if you're using an nVidia card, this uninstalls the display driver and your system stops working next boot. |
| 18:44 | <@ToxicFrog|wr0k> | Although you can fix this by switching to tty1 and doing a $ sudo apt-get remove nvidia-settings nvidia-xconfig && sudo apt-get install nvidia-glx |
| 18:45 | <@ToxicFrog|wr0k> | Followed by sudo /etc/init.d gdm restart |
| 18:45 | <@ToxicFrog|wr0k> | Which is of course intuitively obvious even to inexperienced users. |
| 18:45 | < GeekSoldier_> | naturally. that is the first thing I'd think of. |
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| 19:56 | <@AnnoDomini> | "addActionListener(java.awt.event.ActionListener) in java.awt.Button cannot be applied to (Pawel)" <- This error confuses me. WHY can't it be added? |
| 19:57 | <@jerith> | Because awt is a steaming pile of rancid dung? |
| 19:58 | <@AnnoDomini> | Likely. This is not helpful however; whether or not I like AWT, I need to make that cruddy homework program for tomorrow. |
| 20:00 | <@AnnoDomini> | Does anybody here have an idea? |
| 20:00 | <@jerith> | Context? |
| 20:00 | <@jerith> | Pastebin the relevant bits? |
| 20:01 | <@AnnoDomini> | I don't know which are relevant, honestly. I'm a near-total newbie. What I'm trying to do is add a listener to a button in a class extended from Frame. |
| 20:03 | <@AnnoDomini> | http://pastie.caboo.se/59636 |
| 20:03 | <@AnnoDomini> | That's the entire thing. |
| 20:03 | <@AnnoDomini> | What it is supposed to do is draw a function. It does that. |
| 20:04 | <@AnnoDomini> | Now, my homework is to make it possible for the amplitude, frequency and phase of that cosine to be changed via buttons and text fields. |
| 20:06 | | * jerith waits for the interwebs to be delivered... |
| 20:08 | <@AnnoDomini> | I'm pretty sure I should make Pawel implement ActionListener. |
| 20:08 | <@AnnoDomini> | Only that it ALSO returns an error. |
| 20:08 | <@jerith> | Does Pawel implement the ActionListener interface? |
| 20:08 | | Mahal is now known as MahalGone |
| 20:08 | <@jerith> | If you tell it to implement the interface, you then need to provide all the methods that interface defines. |
| 20:09 | <@jerith> | In this case, actionPerformed(). |
| 20:10 | <@AnnoDomini> | I don't understand. :/ |
| 20:11 | <@AnnoDomini> | "Pawel is not abstract and does not override abstract method actionPerformed(java.awt.event.ActionEvent) in java.awt.event.ActionListener" |
| 20:11 | <@jerith> | ActionListener is an interface that basically says "I can listen for an ActionEvent". |
| 20:12 | <@jerith> | The way it does this is by providing an actionPerformed() method that the event handler can call with the event. |
| 20:12 | <@AnnoDomini> | Okay. |
| 20:12 | <@AnnoDomini> | What does that error I pasted mean? |
| 20:13 | <@jerith> | What a button does when you click it is call actionPerformed() on each of its registered ActionListeners with an event. |
| 20:13 | | * AnnoDomini nods. |
| 20:14 | <@jerith> | It means that you haven't given it an actionPerformed() method. |
| 20:14 | <@jerith> | The interface just says "These method signatures will be there". It's up to you to implement them. |
| 20:14 | <@jerith> | In this case, you want to write an actionPerformed() method that will respond to that button by redrawing the graph. |
| 20:14 | <@AnnoDomini> | Butbutbut. The errors! |
| 20:16 | <@jerith> | The first error you pasted was Java saying "addActionListener() wants a parameter that implements the ActionListener interface". |
| 20:16 | <@AnnoDomini> | Alright. So then I try to implement it. |
| 20:17 | <@jerith> | The second is Java saying "You've told me that Pawel implements ActionListener, but I can't find the actionPerformed() method on it". |
| 20:17 | <@AnnoDomini> | AH. |
| 20:18 | <@AnnoDomini> | Thank you. |
| 20:19 | <@jerith> | So you need to write an actionPerformed() method that accepts an ActionEvent, checks that it comes from the right button and does whatever you want the button press to do. |
| 20:19 | <@jerith> | Not bad for someone who has never done any Java gui stuff. ;-) |
| 20:22 | <@AnnoDomini> | YAY! Now I can get it to refresh the damn thing! |
| 20:23 | <@AnnoDomini> | Onwards to somehow getting variables from the textfields. |
| 20:24 | <@jerith> | Did you skip the lectures where they taght this stuff or do they expect you to pick it up on your own? |
| 20:24 | <@jerith> | If the latter, they have a much higher standard than any programming course I've ever attended. :-) |
| 20:25 | <@AnnoDomini> | The latter. The lectures explain basic syntax and are FAR ahead of the exercises. |
| 20:25 | <@jerith> | If the former, I hope you got some quality sleep. ;-) |
| 20:26 | <@AnnoDomini> | Hell, I'm glad the teacher actually showed us how to make the graph. The one we had last semester wouldn't, even when asked to. |
| 20:26 | <@jerith> | "Far ahead"? |
| 20:26 | <@jerith> | That sucks. |
| 20:27 | <@jerith> | That sucks even harder than my lag. |
| 20:28 | <@AnnoDomini> | Far ahead means the lecturer (we have three different programming people - lecturer, exercise teacher, project overseer) is talking about stuff we'd be doing in, uh, two years from now at the rate it gets explained to us in practice on the exercises. |
| 20:31 | <@jerith> | Oh. |
| 20:31 | <@jerith> | That sounds unbalanced. |
| 20:31 | <@AnnoDomini> | We are obviously expected to have no lives besides what they want us to do for class. |
| 20:32 | <@AnnoDomini> | I understand more and more why students are drawn to alcoholicism. |
| 20:33 | <@jerith> | I think it's more because they have their first taste of freedom away from home and go to extremes. |
| 20:34 | <@AnnoDomini> | Eh. Those who wanted to rebel did so in grade school. |
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| 20:38 | <@AnnoDomini> | Gnar. What was the way to convert a String into an Integer? |
| 20:39 | <@jerith> | Integer.parse(), unless I'm thinking of Ruby. |
| 20:41 | <@AnnoDomini> | Integer.decode(), apparently. |
| 20:41 | <@AnnoDomini> | But I should be using a float here. |
| 20:42 | < Icarus> | String -> Integer -> Float then I guess. |
| 20:42 | <@jerith> | No, that wouldn't let you type 3.5 |
| 20:42 | <@jerith> | I apparently don't have a java system installed. :-( |
| 20:49 | <@AnnoDomini> | Glee! It worketh! |
| 20:49 | | * jerith dances for joy. |
| 20:50 | <@AnnoDomini> | Thank you muchly for your assistance, jerith. |
| 20:50 | <@AnnoDomini> | Now to load it up on my pendrive. |
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| 21:00 | <@AnnoDomini> | Whoah. In my extreme pessimism, I am pleasantly surprised. I did not expect to have ANY time for myself this evening. |
| 21:01 | | * jerith takes AnnoDomini's time in payment for having to think about Java. |
| 21:01 | <@AnnoDomini> | Nuuuu. |
| 21:07 | <@AnnoDomini> | Hm. How much of my time would constitute a fair payment for you to explain the basics (the really basic basics) of using databases in Java? |
| 21:08 | <@jerith> | I'd have to learnit first. |
| 21:08 | < Icarus> | Still a course assignment? |
| 21:08 | <@AnnoDomini> | This is my project. The tougher one, anyway. |
| 21:08 | <@jerith> | But I'd be happy to give you whatever pointers I can find whenever we're both online. |
| 21:09 | <@AnnoDomini> | My lazyass comrades will likely start learning a week before the thing is due. |
| 21:09 | <@AnnoDomini> | Thus, I need to work for four. |
| 21:09 | <@jerith> | I'd suggest looking for a good ORM. |
| 21:09 | <@AnnoDomini> | ORM? |
| 21:09 | < Icarus> | Are we talking about real database management systems like MySQL or some Java database thingy? |
| 21:09 | <@jerith> | Object /Relational Model. |
| 21:09 | <@jerith> | -/ |
| 21:09 | <@AnnoDomini> | I'm talking about something that will allow me to make graphs. |
| 21:10 | <@jerith> | Essentially it makes your db tables look like Java objects. |
| 21:10 | <@jerith> | So you call methods instead of writing SQL. |
| 21:10 | <@AnnoDomini> | The project itself is to create a utility application for stock exchange-related stuff. |
| 21:11 | <@AnnoDomini> | One of the requirements is that data must be stored in a database. |
| 21:11 | <@AnnoDomini> | And that it must be able to read data from files. |
| 21:11 | <@jerith> | I think Hibernate is the popular Java ORM. |
| 21:11 | < Icarus> | Oh. Write it in Python and call the project from the commandline with Java~ |
| 21:12 | <@jerith> | Ruby has ActiveRecord and Python has SQLAlchemy. |
| 21:12 | <@jerith> | :-) |
| 21:12 | < Icarus> | (But I don't know much about databases in Java, really. SQL I know some if you need help with that as such.) |
| 21:12 | <@jerith> | Icarus: I think they might want to look at his code... |
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| 21:12 | | * GS[Away] is now away - Reason : sleep. |
| 21:13 | <@jerith> | This doesn't really sound like a great fit for a relational db. |
| 21:13 | <@jerith> | And I'm not a big fan of shoving everything and its cousing into a model that doesn't really work. |
| 21:13 | <@jerith> | But meh. |
| 21:13 | <@jerith> | -g |
| 21:14 | < Icarus> | If they are cool people they'll give him an A for thinking outside the box ;) |
| 21:14 | | * AnnoDomini is totally ignorant of database lore, and not very good at Java. Guess what this makes me? |
| 21:14 | <@AnnoDomini> | Team leader. |
| 21:14 | | * AnnoDomini weeps. |
| 21:14 | <@jerith> | If they were cool people they wouldn't be teaching Java... |
| 21:14 | < Icarus> | Point. |
| 21:15 | <@jerith> | Do you have to use a particular db or just a db? |
| 21:15 | <@AnnoDomini> | Everything is vague about the project. Any db that works. |
| 21:15 | | * Icarus recommends MySQL, for he is an incurable fanboy. Plus it has a lot of easy-to-use bindings last I checked. |
| 21:16 | <@gnolam> | JDBC? |
| 21:16 | | * jerith recommends Postgres because MySQL has a lot of ... interesting ... features. |
| 21:16 | <@AnnoDomini> | To add insult to injury, the requirement is that we do this like professionals. |
| 21:17 | <@jerith> | But I think folks around here know MySQL better and thus it would appear to be the wiser choice. |
| 21:17 | <@AnnoDomini> | By that I mean loggers, proper directory structure, build files, Ant, etc. |
| 21:17 | <@gnolam> | I'd go with *SQL and JDBC, personally. The latter simply because it's built into the standard JDK. |
| 21:17 | <@jerith> | "Like professionals" -- so just dive into the code with no thought for design and such? |
| 21:17 | <@AnnoDomini> | Yes. |
| 21:17 | | * AnnoDomini weeps more. |
| 21:18 | | * jerith puts his hands over his ears at the mention of ant. "Lalalalala I can't hear you lalalalala." |
| 21:18 | <@AnnoDomini> | I have some vague idea where to begin. My teammates do not. |
| 21:18 | <@gnolam> | I think it means "Snipe at each other and rat out your co-developers to curry favor with the management". |
| 21:18 | <@jerith> | Firstly, log4j is your very bestest friend in the whole world. |
| 21:19 | <@jerith> | It's trivial to configure and incredibly useful. |
| 21:19 | <@jerith> | You want to log *everything* at DEBUG level. |
| 21:20 | <@AnnoDomini> | Once I figure out how to use it. |
| 21:20 | <@AnnoDomini> | How do you use it? |
| 21:20 | <@jerith> | A lot of stuff (normal operations and such) at INFO level. |
| 21:20 | <@jerith> | Nasties at WARM and ERROR levels. |
| 21:21 | <@AnnoDomini> | From the example class given us by the project overseer, it's like calling a function that puts some text into the logs or something? |
| 21:22 | <@jerith> | he log4j docs are fairly good. |
| 21:22 | <@jerith> | Essentially, you initialise a static logger for each class and then call logger.info("Message"); and the like. |
| 21:22 | <@jerith> | Configuration is done in a properties file. |
| 21:22 | <@jerith> | *WARN |
| 21:22 | <@jerith> | I hate this lag. |
| 21:22 | <@jerith> | I'm going to see if it's not perhaps a network issue, because the laptop never drops this many packets. |
| 21:22 | <@jerith> | Except it's actually time for me to go to bed. |
| 21:23 | <@jerith> | So it's not worth booting the laptop. |
| 21:25 | <@AnnoDomini> | Buh-bye! |
| 21:25 | <@jerith> | I'm not going just yet. |
| 21:25 | <@jerith> | :- |
| 21:25 | <@jerith> | ) |
| 21:26 | <@AnnoDomini> | I see. This logger stuff appears to be simple. I hope it is. |
| 21:26 | <@jerith> | It is. |
| 21:27 | <@jerith> | You configure the root logger (no need for anything else in a project that size) and log everything. |
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| --- Log closed Tue May 08 00:00:21 2007 |