[ale] [drifting OT] found a bug in an open source API: It 'Broke' under linux.
Tim Watts
tim at cliftonfarm.org
Sun Feb 13 00:50:26 EST 2011
I hear you on the resources. They need to work on that. At least the
memory leaks are (mostly) plugged.
Too helpful? Meh, personal taste I guess. The few things I found
annoying I just turned off (for instance, spell check -- in source code?
geez). But on the whole, I find most of the assistance they add actually
helpful. One of my favorites is having every occurrence of a variable
highlighted if I click on it. And it's not just a dumb lexical match;
because of the incremental compiling it matches the actual scoped
variable. Really helps with aspect analysis.
When I think of "too helpful" I think of M$ Word's frustrating
insistence on second guessing my intent (e.g. "correcting" my
capitalizations). Thank god microsoft isn't in the plumbing business or
every toilet would be equipped with an automatic butt wiper. Yeow!
On Sat, 2011-02-12 at 22:38 -0500, Michael Trausch wrote:
> I find eclipse both too resource heavy and too "helpful". It does lots
> of crap that I don't want done. Maybe I am just picky.
>
> --
> Sent from my phone... a G2 running CM7 nightlies!
>
> On Feb 12, 2011 7:20 PM, "Tim Watts" <tim at cliftonfarm.org> wrote:
> > They'll also automatically insert a closing brace and indent when
> you
> > type {<enter> (*cough*eclipse*cough*). So the cost is near zero.
> >
> >
> > On Sat, 2011-02-12 at 18:58 -0500, Michael Trausch wrote:
> >> Any good editor (*cough*emacs*cough*) will properly indent and clue
> >> the human into the error. Its all about the text editor. ;)
> >>
> >> --
> >> Sent from my phone... a G2 running CM7 nightlies!
> >>
> >> On Feb 12, 2011 5:11 PM, "Tim Watts" <tim at cliftonfarm.org> wrote:
> >> > [ pardon me for I'm butting in ]
> >> >
> >> > You're right: to the compiler it's just style. But I look at them
> as
> >> > cheap insurance against future bugs.
> >> >
> >> > // The code in Feb 2011:
> >> > if (somethingIsTrue())
> >> > doASimpleTask()
> >> > else
> >> > doTheAlternateTask()
> >> >
> >> > // The code in Feb 2012:
> >> > if (somethingIsTrue())
> >> > doASimpleTask();
> >> > else
> >> > doTheAlternateTask();
> >> > doTheWorkAroundToo();
> >> >
> >> > Of course, this is broke and you may very well have caught it.
> But
> >> > enclosing it in {} in the first place would have avoided the need
> to
> >> > even think about it. About the only time I'll omit braces is with
> >> > conditionals that are one-liners (and sometimes not even then):
> >> >
> >> > if (log.isDebugEnabled()) log.debug("now i'm opening the pickle
> >> jar.");
> >> >
> >> >
> >> > On Sat, 2011-02-12 at 16:06 -0500, Joshua wrote:
> >> >> James,
> >> >>
> >> >> I put the {} around the block, (which helps to guard against
> >> certain
> >> >> bugs). the {} make the code easier to read, but I do not know
> that
> >> with
> >> >> one line of code they prevent any bugs.
> >> >>
> >> >> from what I read, and the discussions I had on iirc, a dangling
> >> else is
> >> >> more of a grammatical (readability) thing, from a human
> >> perspective, the
> >> >> compiler /interpreter will take care of any ambiguity with
> if/else
> >> >> blocks, as far as I can tell. The else attaches to the nearest
> if
> >> >> block. I can see the issue from a psuedocode perspective, where
> >> the
> >> >> grammatical ambiguity can cause problems when actually
> implementing
> >> the
> >> >> code, but one the code is written it is the placement of the }
> >> from
> >> >> preceding if statements that determine which 'if' the 'else'
> will
> >> attach to.
> >> >>
> >> >> or am I missing something?
> >> >>
> >> >>
> >> >>
> >> >> Maybe that is all the dangling else is: a semantics things.
> >> >>
> >> >>
> >> >> James Sumners wrote:
> >> >> > My only suggestion would be to fix your dangling else block --
> >> >> > http://pastebin.com/pTzUQzjJ
> >> >> >
> >> >> > On Sat, Feb 12, 2011 at 2:53 PM, Joshua <jrtroberts at gmail.com>
> >> wrote:
> >> >> >
> >> >> >> I am working with an API for currency conversion from
> >> >> >>
> >>
> http://www.thomasknierim.com/index.php?s=currencyconverter&Submit=Search
> >> >> >>
> >>
> <http://www.thomasknierim.com/index.php?s=currencyconverter&Submit=Search>
> >> >> >>
> >> >> >> It is all written is Java.
> >> >> >>
> >> >> >> The initCacheFile() method worked fine under windows, but it
> >> broke
> >> >> >> under linux.
> >> >> >>
> >> >> >> The original code grabbed the path to the java temp directory
> >> and then
> >> >> >> concatenated a file name onto the end of it. I do not know
> what
> >> it
> >> >> >> produces under windows, but my suspicion is that windows is
> >> something
> >> >> >> like </driveletter:\pathtotemp\/> with the trailing '\'
> >> included.
> >> >> >>
> >> >> >> Under linux the call to return the temp directory returns
> '/tmp'
> >> and
> >> >> >> then the concatenating of '/filename/' creates a file named
> >> >> >> /tmp/filename/ instead of /tmp//filename/ so the application
> was
> >> trying
> >> >> >> to write to / where it did not have permissions. So I had to
> >> write a
> >> >> >> fix. Still not sure the fix is this best.
> >> >> >>
> >> >> >>
> >> >> >> Maybe someone can look at the code I wrote and let me know.
> >> >> >>
> >> >> >> http://pastebin.com/vsC6vZRU
> >> >> >>
> >> >> >> The old code is commented out.
> >> >> >>
> >> >> >> Joshua Roberts
> >> >> >>
> >> >> >
> >> >> >
> >> >> >
> >> >>
> >> >> _______________________________________________
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> >> >
> >> >
> >> > _______________________________________________
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> >>
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> >
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