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From Alexander <the.malk...@gmail.com>
Subject Re: simple problem
Date Mon, 20 Jul 2009 14:24:13 GMT
I mean that always people say that you could use it in foreach statement and
gives completely incorrect example as we saw there. So I tried to stress
that initial value default is 1 not 0. Sure javadev can figure it out, but
with wrong example in front of eyes it would be mentally harder.
2009/7/20 Nathan Bubna <nbubna@gmail.com>

> On Mon, Jul 20, 2009 at 7:02 AM, Alexander <the.malkolm@gmail.com> wrote:
> >
> > Oh, didnt know that it can be configured, really thanks!  Anyway default
> behaviour not obvious for javadev.
>
> The rational was that it wasn't just meant for javadevs and javadevs
> would be able to figure it out.   I'm willing to reconsider this in
> version 2.
>
> > 2009/7/20 Nathan Bubna <nbubna@gmail.com>
> >>
> >> On Mon, Jul 20, 2009 at 12:49 AM, lanxiazhi<lanxiazhi@gmail.com> wrote:
> >> > thanks Rupali,
> >> > I got this problem when I started to think that, can I simply output
> an
> >> > expression like #{1+2+200000*3+$a}  without a varible?
> >>
> >> The macro is fine.  Alternately, you could add an instance of the
> >> MathTool (from VelocityTools) to your context and use that.
> >>
> >> ## this will have a newline char in it...
> >> #set($newline="hello
> >> ")
> >>
> >> and $velocityCount can be configured to start at any number:
> >>
> >> directive.foreach.counter.initial.value = 0
> >>
> >> > 2009/7/20 Rupali Gupta <r.gupta1@mpstechnologies.com>
> >> >
> >> >> Hi,
> >> >>
> >> >>
> >> >>
> >> >> Use $velocityCount in place where you need incremental value of some
> >> >> variable
> >> >>
> >> >> Eg: instead of,
> >> >>
> >> >>
> >> >>
> >> >>  #set($a = 0)
> >> >>
> >> >> #foreach($mapping in $mappings)
> >> >>
> >> >> Do something..
> >> >>
> >> >> #set($a = $a+1)
> >> >>
> >> >>
> >> >>
> >> >> <label for="journal-$a">Type something</label>
> >> >>
> >> >>
> >> >>
> >> >> Do it like:
> >> >>
> >> >>
> >> >>
> >> >> #foreach($mapping in $mappings)
> >> >>
> >> >> Do something..
> >> >>
> >> >> <label for="journal- $velocityCount ">Type something </label>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> $velocityCount increase the value of variable incrementally, without
> having
> >> >> to use ($a= $a+1)
> >> >>
> >> >>
> >> >>
> >> >> I hope this helps!
> >> >>
> >> >>
> >> >>
> >> >> Thanks,
> >> >>
> >> >> Rupali
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>  _____
> >> >>
> >> >> From: lanxiazhi [mailto:lanxiazhi@gmail.com]
> >> >> Sent: Monday, July 20, 2009 12:52 PM
> >> >> To: Velocity Users List
> >> >> Subject: Re: simple problem
> >> >>
> >> >>
> >> >>
> >> >> we know this #set($a = $a + 1) will change $a which in some cases may
> not
> >> >> be
> >> >> preferable...but thanks anyway.
> >> >>
> >> >> 2009/7/20 Alexander <the.malkolm@gmail.com>
> >> >>
> >> >> Hi,
> >> >>
> >> >>
> >> >>
> >> >> Use
> >> >>
> >> >>
> >> >>
> >> >> #set($a = $a + 1)
> >> >>
> >> >>
> >> >>
> >> >> Correct me if Im wrong but if u use variable like this it would write
> >> >> "hello" on a single line, where is the problem?
> >> >>
> >> >>
> >> >>
> >> >> #set($newline="hello")
> >> >>
> >> >> $newline
> >> >>
> >> >>
> >> >>
> >> >>
> >> >
> >>
> >> ---------------------------------------------------------------------
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> >> For additional commands, e-mail: user-help@velocity.apache.org
> >>
> >
>
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