#jython IRC Log (v0.9)

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IRC Log for 2012-03-28

Timestamps are in GMT/BST.

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[18:22] <fwierzbicki> Man, negative zero is a pain - got it now though :)
[18:27] <sabi> hehe.
[18:27] <sabi> yeah i think i didn't test that one :)
[18:28] <fwierzbicki> sabi: ah ok - I can check if you want :)
[18:28] <fwierzbicki> is negative zero meaningful for int?
[18:29] <sabi> no
[18:31] <fwierzbicki> I didn't think so - luckily Java's Double.compare does the right thing
[18:31] <sabi> http://en.wikipedia.org/wiki/IEEE_754-1985 if you want all the gory details
[18:32] <fwierzbicki> sabi: cool thanks for the ref - I've been reading what amounts to summaries of that
[18:42] <fwierzbicki> It is *so* much easier reading the pypy implementation of format vs the cpython one.
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[19:22] <sabi> interesting, i didn't look at it
[19:23] <sabi> but yeah, it seemed pretty spread out in CPython
[19:37] <fwierzbicki> sabi: it's a little spread out in pypy too - but so much more fits on a page :)
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[20:30] <clajo04> Question on debugging Jython in PyDev in eclipse - I have the HTML Source Viewer example from chapter 9 in the O'Reilly Jython Essentials book - when the program tries to instantiate the HtmlTreeViewer instance (http://pastebin.com/0t6FHjtU) the debugger gives me the following error: TypeError: instance already instantiated for javax.swing.JFrame
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[20:31] <clajo04> When I run the code in non-debug mode I don't get this error - are there problems with using the debugger in eclipse with Jython swing?
[20:36] <agronholm> I haven't had the chance to try the debugger with swing apps much
[20:43] <clajo04> agronholm: I am correct that PyDev/eclipse is pretty much the standard IDE for Jython development, yes?
[20:43] <agronholm> there is no standard ide for that
[20:43] <agronholm> I'm perhaps the only one in the core team that uses pydev
[20:44] <clajo04> agronholm: what other options exist?
[20:44] <agronholm> I dunno which of them support Jython, but IDEA, PyCharm and WingIDE are known Python IDEs
[20:44] <clajo04> agronholm: I've used Komodo for Python dev, but it can't (won't?) support Jython.
[20:45] <clajo04> agronholm: I was using NetBeans, but that seems to be a dead end, yes?
[20:45] <agronholm> I think NetBeans dropped Python support
[20:45] <agronholm> could be my imagination but I recall so
[20:46] <clajo04> agronholm: for the longest time it was "we don't support Python in v7 yet... but at this point I think it's probably moot.
[20:47] <clajo04> agronholm: so I'm IDE shopping and thought PyDev/eclipse was my answer - but I've not yet figured out the debugger.
[20:48] <clajo04> agronholm: so the rest of the core team, are they just using a text editor to do development?
[20:49] <agronholm> pretty much
[20:52] <clajo04> Ooookay...
[20:52] <clajo04> Maybe Netbeans 6.9.1 isn't such a bad answer....
[20:53] <agronholm> another way to do debugging is to use pdb
[20:53] <agronholm> from pdb import set_trace; set_trace()
[20:53] <agronholm> see if that works better than pydev
[20:55] <clajo04> I've seen people do that, but I haven't added the skill to my Jython Fu yet.
[20:56] <clajo04> agronholm: thanks for your input
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