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   March 15, 2011  
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[00:00:26] *** EvilPenguin has joined ##java
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[00:02:22] <_W_> if anyone want to help me get javabot building (cheeser or otherwise), this is the output when I try this time http://paste.pocoo.org/show/353741/
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[00:03:02] <_W_> I get the sneaking feeling there's just something simple about maven I'm not getting
[00:03:24] <dreamreal> _W_: it means that org.schwering:irclib isn't available locally
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[00:03:57] <_W_> I thought maven was all about downloading things from remotely if it wasn't locally?
[00:04:14] <dreamreal> it can't download them remotely if they're not in the public repositories
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[00:04:42] <_W_> so even with maven, I have to set up dependencies (just repository dependencies I guess?) manually?
[00:04:51] <dreamreal> There's a way the developers can include such things in the source tree, but apparently they've not done it.
[00:05:06] <_W_> ah
[00:05:21] <dreamreal> _W_: only if they're not in the main maven repositories. You can configure custom repositories (i.e., search in these areas) and you can even say "find this resource in THIS directory."
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[00:05:39] <dreamreal> Maven does a good job of locating dependencies that are stored in public locations. If they're NOT public locations, well...
[00:05:50] <dreamreal> It's not bloody magic, you know
[00:06:20] <_W_> yeah but as you said, source packagers can just list private locations too
[00:06:27] <dreamreal> looks like that might be the SVN version of the lib at http://moepii.sourceforge.net/
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[00:07:29] <_W_> yeah I've gotten that far myself, now to find a maven repository with it (if there is one)
[00:09:01] <dreamreal> _W_: *sigh* fix the project. Do you have update rights for it?
[00:09:21] <_W_> it's javabot, it's on github
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[00:09:53] <dreamreal> do you have update rights for it?
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[00:10:43] <_W_> not any more than any user on github do - I can branch and do a pull request
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[00:12:53] <calamari> hi
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[00:14:56] <NetHawk> hello everyone
[00:15:42] <calamari> been working on this program, and I'm afraid I made a mess out of the OO. I'm wondering if there is a tool of some kinda that can allow me to visually take a look at my classes so that I can figure out how to untangle this mess?
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[00:15:59] <NetHawk> I am just wondering...I'm reading a lot about : "don't use NULL pointers" .....well I'm reading a lot about it for C/C++ and SQL, didn't see much about it and java related....so can someone gimme a link or sth. as to why null pointers are bad?
[00:16:14] <dreamreal> _W_: give me about two minutes
[00:16:31] <tjsnell> null pointers aren't bad
[00:16:40] <tjsnell> just don't expect them to be pointing to a value
[00:16:45] <NetHawk> Cause honestly said I'm using 'em to verify that some function somewhere has finished correctly (sql statement), and that we can go on, or have to process the error for users
[00:16:47] <tjsnell> since they're you know null and all
[00:16:55] <dreamreal> heh, wh... I... I don't know how to answer that, NetHawk
[00:16:57] <dreamreal> I mean, really.
[00:17:05] <tjsnell> exceptions are nifty
[00:17:33] <_W_> NetHawk, nulls are not bad _in themselves_, but using them as magic values with meaning tend to be
[00:17:58] <_W_> (e.g. using a null value to indicate that you couldn't process a request, when you should instead throw an exception)
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[00:18:40] <NetHawk> dreamreal, tjsnell well how about this    if(someClass.someSQLStatement())                         SomeSQLStatement() { SQLException e = null;  try{statement.execute() } catch (SQLException x) { e =x } return e; }
[00:18:45] <_W_> the /expected/ meaning of null tend to be "no data"
[00:18:53] <_W_> anything outside of that you're on thin ice
[00:18:56] <NetHawk> actually the other way around
[00:19:00] <tjsnell> your method returns an exception?
[00:19:08] <NetHawk> I'm using null so I know it's all ok, and it doesn't need no processing
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[00:19:16] <NetHawk> tjsnell, yep, it actually does
[00:19:27] <_W_> NetHawk, very rarely do you need to fiddle with the way exceptions work by moving them around
[00:19:33] <tjsnell> that's bad
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   March 15, 2011  
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