Re: math error: modulo

2011-07-15 Thread Seven Reeds
on redhat

perl -e'print STDOUT (-1 % 12), \n;'

yeilds 11

I thought php gave 11 but i tried it again and it is giving me -1.

php -r'echo (-1 % 12),\n;'

Nuts.  Well, a math friend tells me that modulo operators are flakey
and that he always writes his own to make sure he knows what he will
get.

sigh

On Fri, Jul 15, 2011 at 5:25 PM, Alan Chaney a...@mechnicality.com wrote:
 What other languages?

 In Java '%' in this case means  the remainder of

 the remainder of  dividing -1 by 12 is -1, as is -13 %12 or -25 % 12.

 I'd be interested to know which other language does what you say.

 HTH

 Alan


 On 7/15/2011 3:07 PM, seven.reeds wrote:

 int x = 0;
 int y = -1;
 x = y % 12;

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Re: debug freeze

2009-04-13 Thread Seven Reeds

Good question,

I will try to resurrect the broken code.  It may be a few days
though.  I am trying to meet a deadline.

It was really very trivial as I recall.  I had defined a widget (a
TextBox I think) but had not instantiated it, something like:

public class foo
extends Composite
implements ClickListener,
  ChangeListener,
  TableListener {

...
TextBox myInput;
...
public foo() {
...
do something with foo
...
}

I am not a java coder.  I am a C/perl/script coder who has picked up
enough java to sort of make GWT go.  I am probably doing everything
contrary to the Java Way.  So when I send the code I apologize up
front.

For me, this is a fairly large project.  I assume that you will want
all of the code?

It is GWT 1.5.3 by the way

Dean...K...

On Mon, Apr 13, 2009 at 4:05 PM, Sumit Chandel sumitchan...@google.com wrote:
 Hi Seven Reeds,
 Any chance we could get a repro code snippet? It would suck if there is an
 existing hosted mode issue that would crash on a null object without any
 useful message as to what's gone wrong. This is the first time I've seen
 this kind of error though, so it might have been a fluke incident or it
 could have something to do with the recent switch to Jetty in hosted mode.
 Thanks,
 -Sumit Chandel

 On Wed, Apr 8, 2009 at 8:20 AM, Seven Reeds seven.re...@gmail.com wrote:

 Correct, the hosted mode log showed the creation of various widgets
 but there was no null pointer messages.  I had sprinkled
 Window.alert() messages all over the place to narrow down the issue
 and eventually found the line.  Starring at the line made no sense
 because it was a rational statement... except that I had not
 initialized the object.  On a whim I stuck a try/catch block around
 the line and it shouted out that the object was null.

 go figure.

 On Wed, Apr 8, 2009 at 4:08 AM, Vitali Lovich vlov...@gmail.com wrote:
  And the hosted mode log didn't print any exceptions?  Weird.




 


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Re: debug freeze

2009-04-08 Thread Seven Reeds

Correct, the hosted mode log showed the creation of various widgets
but there was no null pointer messages.  I had sprinkled
Window.alert() messages all over the place to narrow down the issue
and eventually found the line.  Starring at the line made no sense
because it was a rational statement... except that I had not
initialized the object.  On a whim I stuck a try/catch block around
the line and it shouted out that the object was null.

go figure.

On Wed, Apr 8, 2009 at 4:08 AM, Vitali Lovich vlov...@gmail.com wrote:
 And the hosted mode log didn't print any exceptions?  Weird.

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Re: JSONNumber getValue() and ints

2008-10-01 Thread Seven Reeds

Oh!  feh, I had googled gwt JSONNumber.  The class ref that came
back was the 1.4 doc version.  1.5 is very different it seems.

thanks for everyone's help

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