[Lift] Re: Tail merge?

[Alexander Kellett]

fyi. if you smash css into a single file but continue using relative
urls in the css you'll end up with a slower page in the case that
you're using asset hosts to work around the browsers http connection
limit. when smashing into one file make sure to also apply the asset
host trick to any url() statements in the css by rewriting them to be
absolute urls rather than merely paths. commonly made mistake in the
ruby world at least, saddens me.

On Sun, May 10, 2009 at 3:55 PM, marius d.  wrote:
>
> People can choose to "smash" multiple js/css files into a single one,
> in fact it is a common practice. However for scripts that can be
> deferred putting them at the bottom of the page can improve rendering.
>
> Br's,
> Marius
>
> On May 10, 4:42 pm, David Pollak 
> wrote:
>> On Fri, May 8, 2009 at 5:26 PM, Timothy Perrett 
>> wrote:
>>
>>
>>
>> > Sounds like this could be a neat addition. Looking forward to see what you
>> > come up with :-)
>>
>> I'm not 100% keen on it.  Loading a ton of stuff into the HTML page (rather
>> than having stuff cached by the browser) makes for larger page sizes.  I'd
>> much rather see a tool that would analyze the scripts and css that was
>> included across lots of pages and recommending to the developer to make 10
>> CSS files or 20 script files into 1.  But that's just me.
>>
>>
>>
>>
>>
>> > Cheers, Tim
>>
>> > On 08/05/2009 20:19, "marius d."  wrote:
>>
>> > > A  built in snippet might me a good addition. I could
>> > > probably allocate some time to noodle on it.
>>
>> > > Br's,
>> > > Marius
>>
>> > > On May 8, 5:05 pm, KWright  wrote:
>> > >> It's becoming an established best practice that scripts should be put
>> > >> at the END of a page, where possible, in order to speed up download
>> > >> times
>>
>> > >> Good article here:http://developer.yahoo.com/performance/rules.html
>>
>> > >> It would be nice if Lift could help encourage and support this by
>> > >> allowing a  (or ?) element that could be merged in
>> > >> the same fashion as the head element, perhaps also removing
>> > >> duplicates, etc.
>>
>> > >> This element would then disappear and expose only its content when the
>> > >> page is ultimately sent to the browser.
>>
>> --
>> Lift, the simply functional web frameworkhttp://liftweb.net
>> Beginning Scalahttp://www.apress.com/book/view/1430219890
>> Follow me:http://twitter.com/dpp
>> Git some:http://github.com/dpp
> >
>

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[Lift] Re: [urgent bug] javascript escaping issue!!

[Alexander Kellett]

btw this is completely okay (no idea about valid) in a onclick for
example, just not in a script block.

On Thu, Apr 30, 2009 at 12:26 PM, Timothy Perrett
 wrote:
>
> Guys,
>
> Maven just pulled the latest jars from hudson and ooops, now my
> project is broken! lol.
>
> The changes to the string helpers etc to move to double quotes not
> single quotes has broken my entire application which is due to go out
> tomorrow. For instance:
>
> {'useJSToGetCustomizationValues': 'false', . }
>
> has now become
>
> {"useJSToGetCustomizationValues": "false"  }
>
> The latter is obviously totally invalid and just doesn't work - can we
> fix this ASAP please otherwise im going to get seriously bitch slapped
> by my boss ;-)
>
> Cheers, Tim
> >
>

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[Lift] Re: timestamp versioning for javascript includes

[Alexander Kellett]

On Wed, Apr 29, 2009 at 7:14 PM, David Pollak
 wrote:
>>> /classpath/date_2009_04_29_18_20/json.js

i don't really see many advantages to having the number half way
through the path, only disadvantages, it makes it slightly more
difficult to see / copy and paste the referenced path, for no real
bonus.

why not just use "?2009042912342343etc". the funny numbers in rails
are inode numbers or unix date stamps (can't remember which). japanese
style dates are much nicer. and use of "" makes it
completely obvious what the number is which is not the case for rails
style.

> On Wed, Apr 29, 2009 at 10:03 AM, Lee Mighdoll  wrote:
>> I think the browsers cache urls with params... a quick glance at the rails
>> docs suggest they expect these requests to be cached, though I haven't
>> tested it mysolf.

yes, the browsers cache.

Alex

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[Lift] Re: Feedback on screen cast, please

[Alexander Kellett]

jfyi, it seems its not possible to download the movie via the
"subscribe with itunes" link, maybe if you upload a mp4 version of the
content it would? i'm certain i'm not the only one that much prefers
to watch on a portable device / while offline.

Alex

On Sat, Apr 25, 2009 at 3:10 PM, David Pollak
 wrote:
> I've posted it at blip.tv:
>
> http://liftweb.blip.tv
>
> It seems to have good audio synchronization.
>
> On Sat, Apr 25, 2009 at 6:04 AM, Derek Chen-Becker 
> wrote:
>>
>> Hmmm. VLC on Linux worked fine viewing it for me.
>>
>> Derek
>>
>> On Fri, Apr 24, 2009 at 11:11 PM, Warren Henning
>>  wrote:
>>>
>>> On Fri, Apr 24, 2009 at 8:50 AM, David Pollak
>>>  wrote:
>>> > I'd like to get some critical feedback on it so I can improve it.
>>>
>>> I'm short on criticism - this was really cool.
>>>
>>> You might want to comment on how much compile time there is when
>>> you're rapidly updating a Lift application so people don't think you
>>> spend half your development time waiting for the computer or
>>> something.
>>>
>>> I'd like to note that for some reason when I opened the machine on my
>>> default media viewer, the video didn't work right although audio was
>>> fine - VLC 0.8.6e, Windows XP SP2. Opening in QuickTime worked fine
>>> though.
>>>
>>> Warren
>>>
>>>
>>
>>
>>
>
>
>
> --
> Lift, the simply functional web framework http://liftweb.net
> Beginning Scala http://www.apress.com/book/view/1430219890
> Follow me: http://twitter.com/dpp
> Git some: http://github.com/dpp
>
> >
>

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[Lift] Re: Avoiding polling when using Comet. Reverse AJAX

[Alexander Kellett]

are you sure this isn't the gc poll? i agree 10 seconds is too short
(thats a lot of traffic...), but its a very quick operation, its not
an actual poll on the page afaiu

On Wed, Apr 22, 2009 at 8:54 AM, przemek.pokrywka
 wrote:
>
> It is 10 sec actually at Comet chat example.
> Not very good for high-traffic public portals.
>
> Przemek
>
> On Apr 21, 7:21 pm, "marius d."  wrote:
>> But what is the problem with long pooling if a request is done every x
>> minutes (if server does not have any message for this client)?
>
> >
>

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[Lift] Re: Liftweb without Maven?

[Alexander Kellett]

hey sean,

i hope you're open to other possibilities than buildr/raven :)
i myself have no real interest in messing with maven after my terrible
experiences from when i was working on java code full time..
i just verified that it takes just a few minutes to install sbt and
get a running lift app :)
you can find the things needed in Marks Harrah's reply to this thread
and sbt can be found at http://code.google.com/p/simple-build-tool/

hope this helps,
Alex

On Fri, Apr 17, 2009 at 4:40 AM, Sean Reque  wrote:
>
> I am a newcomer to Scala and Lift, and I plan on trying to figure out
> how to use either Buildr or Raven, to run Lift, and if I can
> successfully do so I will try to share my work. If I cannot, I will
> probably stop pursuing Lift and start looking at other areas of Scala.
> I say this simply to state you will drive many potential users of Lift
> away by enforcing the use of Maven without even giving sufficient
> documentation to allow other build tools to be used. I cannot see any
> productivity gain from any web framework over other existing
> competitors that could offset the productivity loss from using Maven.
>
> On Apr 14, 6:53 am, TylerWeir  wrote:
>> > expected output. I don't want to bother with Maven at this time. Can
>>
>> You'll have a better experience if you take the time to learn how
>> maven works.
>>
>> On Apr 14, 7:11 am, tk050305cnx  wrote:
>>
>> > I am new to Liftweb. Unfortunately, the example app in the "getting
>> > started" doc did not work. That is... Maven did not produce the
>> > expected output. I don't want to bother with Maven at this time. Can
>> > you point me to a source that describes how to set up a helloworld
>> > type of application manually and deploy it on Tomcat? Is there any
>> > Eclipse automation for that?
>>
>> > Cheers, CNX
>
> >
>

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[Lift] Re: Liftweb without Maven?

[Alexander Kellett]

excellent, thanks for finishing this off mark! is it possible this
might get into a later sbt release or does this belong somewhere in
the lift source tree?

thank you!
Alex

On Thu, Apr 16, 2009 at 7:11 PM, Mark Harrah  wrote:
> Hi,
>
> Thanks for putting effort into this.  The inline dependency
> declarations replace the pom.xml, so it isn't needed.  You can also
> declare the archetype as a dependency and extract and process it.  I
> have attached a project definition that does not require downloading
> the zip manually or processing with sed (it does require sbt, of
> course).
>
> Put it in 'project/build/src' directory in your new project directory. Then 
> do:
> $ sbt
> bootstrap
> jetty-run
>
> (fill in the name and other info when prompted)
>
> Thanks again,
> -Mark
>
>
> On 4/16/09, Alexander Kellett  wrote:
>> attached a replacement for the sbt script provided, with inline
>> comments for getting it to work. barely tested and trivial. not yet
>> verified that this works without a preexisting maven install. will
>> automate more at weekend.
>>
>> will look into getting the blocking-on-page-load modification into
>> sbt/lift somehow also given that it has its own continuous compile
>> system.
>>
>> On Thu, Apr 16, 2009 at 3:57 PM, David Pollak
>>  wrote:
>>>
>>>
>>> On Wed, Apr 15, 2009 at 9:37 AM, Alexander Kellett 
>>> wrote:
>>>>
>>>> On Wed, Apr 15, 2009 at 5:26 PM, David Pollak
>>>>  wrote:
>>>> > While we are a community that welcomes newbies and tries to work with
>>>> > as
>>>> > many different people and with as many different styles as possible,
>>>> > there
>>>> > are things that we've collectively learned.  We've found that Maven is
>>>> > preferable for our style of development.  If you want to use Ant,
>>>> > there's
>>>> > nothing stopping you and we'd welcome some Ant scripts for building
>>>> > Lift,
>>>> > but we're not going to stop what we're doing and write one for you just
>>>> > because you demand that we do so.  Please go back and write the Ant
>>>> > scripts
>>>> > yourself and contribute to the community rather than being rude to us
>>>> > because we don't do things the way you want.  That will demonstrate
>>>> > that
>>>> > you
>>>> > are willing to contribute in rather than demand and insult when your
>>>> > demands
>>>> > are not met.
>>>>
>>>> many people are scared by maven. myself included after my previous
>>>> "fun" with getting lift working.
>>>>
>>>> is there a way to get a self contained "hello world" zip up on github
>>>> if it is not already there? afaiu maven also allows for local caches,
>>>> could that that be placed in the zip, or is it simply too big?
>>>>
>>>> i think that might scare people much less than pasting the very opaque
>>>> four liner which asks questions i do not know the answer to :)
>>>
>>> I am all in favor of an Ant build script or an SBT-based build script.
>>> Both
>>> would be great contributions.  I do not have time for them, but anyone out
>>> there who has skills with Ant and/or SBT, I'll buy you a beer or two if
>>> you
>>> spend a couple of hours putting together examples.
>>>
>>> My rant is against the attitude that somehow the Lift community should
>>> instantly change its priorities because one person has a different
>>> perspective on things.  We are not waiters in a restaurant.  We are not
>>> serving peoples whims.  We are a collaborative community.  Anybody who
>>> treats the folks in this community as wait-staff fundamentally
>>> misunderstands the ethos of the Lift community.
>>>
>>> The Lift community is a place that I like being because almost everybody
>>> is
>>> willing to roll up their sleeves and help.  Marius, Derek, Tyler, Charles,
>>> Jorge, Tim, etc. roll up their sleeves and help all comers.  Each of these
>>> guys can be making more money and/or spending time with their friends and
>>> family rather than helping newbies, but when they came to the community,
>>> they were newbies and I helped them and they have perpetuated that spirit.
>>>  Newbies help us by asking questions, by learning Lift, by making
>>&g

[Lift] Re: Liftweb without Maven?

[Alexander Kellett]

attached a replacement for the sbt script provided, with inline
comments for getting it to work. barely tested and trivial. not yet
verified that this works without a preexisting maven install. will
automate more at weekend.

will look into getting the blocking-on-page-load modification into
sbt/lift somehow also given that it has its own continuous compile
system.

On Thu, Apr 16, 2009 at 3:57 PM, David Pollak
 wrote:
>
>
> On Wed, Apr 15, 2009 at 9:37 AM, Alexander Kellett 
> wrote:
>>
>> On Wed, Apr 15, 2009 at 5:26 PM, David Pollak
>>  wrote:
>> > While we are a community that welcomes newbies and tries to work with as
>> > many different people and with as many different styles as possible,
>> > there
>> > are things that we've collectively learned.  We've found that Maven is
>> > preferable for our style of development.  If you want to use Ant,
>> > there's
>> > nothing stopping you and we'd welcome some Ant scripts for building
>> > Lift,
>> > but we're not going to stop what we're doing and write one for you just
>> > because you demand that we do so.  Please go back and write the Ant
>> > scripts
>> > yourself and contribute to the community rather than being rude to us
>> > because we don't do things the way you want.  That will demonstrate that
>> > you
>> > are willing to contribute in rather than demand and insult when your
>> > demands
>> > are not met.
>>
>> many people are scared by maven. myself included after my previous
>> "fun" with getting lift working.
>>
>> is there a way to get a self contained "hello world" zip up on github
>> if it is not already there? afaiu maven also allows for local caches,
>> could that that be placed in the zip, or is it simply too big?
>>
>> i think that might scare people much less than pasting the very opaque
>> four liner which asks questions i do not know the answer to :)
>
> I am all in favor of an Ant build script or an SBT-based build script.  Both
> would be great contributions.  I do not have time for them, but anyone out
> there who has skills with Ant and/or SBT, I'll buy you a beer or two if you
> spend a couple of hours putting together examples.
>
> My rant is against the attitude that somehow the Lift community should
> instantly change its priorities because one person has a different
> perspective on things.  We are not waiters in a restaurant.  We are not
> serving peoples whims.  We are a collaborative community.  Anybody who
> treats the folks in this community as wait-staff fundamentally
> misunderstands the ethos of the Lift community.
>
> The Lift community is a place that I like being because almost everybody is
> willing to roll up their sleeves and help.  Marius, Derek, Tyler, Charles,
> Jorge, Tim, etc. roll up their sleeves and help all comers.  Each of these
> guys can be making more money and/or spending time with their friends and
> family rather than helping newbies, but when they came to the community,
> they were newbies and I helped them and they have perpetuated that spirit.
>  Newbies help us by asking questions, by learning Lift, by making
> suggestions, by contributing code, and ultimately by helping other newbies.
> We welcome different perspectives, but we do not welcome insulting
> attitudes.
> Had the conversation gone more along the lines of "any chance you'll change
> your priorities to support Ant?" "Not for 1.1, but perhaps you can help." "I
> can write Ant Scripts, but I need some guidance about the dependencies..."
> The poster would have gotten what he wanted and the whole Lift community
> would have benefited.
>
> So, yes, I am in favor of lots of different build options.  Are committers,
> we have limited time and will officially support Maven.  If someone else
> comes along and demonstrates Ant, SBT, etc. support and sticks with it for a
> while, they might become the owner of that build system and a Lift
> committer.
> Thanks,
> David
>
>
>>
>> Alex
>>
>>
>
>
>
> --
> Lift, the simply functional web framework http://liftweb.net
> Beginning Scala http://www.apress.com/book/view/1430219890
> Follow me: http://twitter.com/dpp
> Git some: http://github.com/dpp
>
> >
>

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LiftExProject.scala
Description: Binary data

[Lift] Re: Resizing images

[Alexander Kellett]

i used jai in the past, a quick google let me to
http://www.digitalsanctuary.com/tech-blog/java/how-to-resize-uploaded-images-using-java-better-way.html

On Thu, Apr 16, 2009 at 11:10 AM, Jean-Luc  wrote:
> Imagemagick is said to be very efficient for image processing.
> http://www.imagemagick.org/script/api.php#java
>
> If you develop with MacOSX, some people had some compile issues with JMagick
> and have prefered a more direct solution using "exec" :
> http://www.darcynorman.net/2005/03/15/jai-vs-imagemagick-image-resizing/
>
> Jean-Luc
>
>
> 2009/4/16 Charles F. Munat 
>>
>> The Georgia Association of Editors? That's good to know.
>>
>> (Unfortunately, the app is already built and running on my own server
>> and I have no time to play with GAE right now. But I'm getting more and
>> more curious about it.)
>>
>> It's funny. I would think that lots of people would be resizing uploaded
>> images in Java, but I've asked this question before and got nothing.
>> Ruby/Rails folks do this sort of thing all the time with RMagick (and
>> half a dozen other tools). What the heck do Java developers do?
>>
>> Thanks, Viktor!
>>
>> Chas.
>>
>> Viktor Klang wrote:
>> >
>> >
>> > On Thu, Apr 16, 2009 at 7:36 AM, Charles F. Munat > > > wrote:
>> >
>> >
>> >     Has anyone here done anything with Lift in which uploaded images are
>> >     resized (or otherwise manipulated) before saving? If so, how did you
>> > do
>> >     it? Any recommendations for libraries?
>> >
>> >
>> > GAE offers that kind of functionality.
>> >
>> >
>> >
>> >
>> >     Thanks!
>> >
>> >     Chas.
>> >
>> >
>> >
>> >
>> >
>> > --
>> > Viktor Klang
>> > Senior Systems Analyst
>> >
>> > >
>>
>>
>
>
>
> --
> Jean-Luc Canela
> jlcane...@gmail.com
>
> >
>

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[Lift] Re: Liftweb without Maven?

[Alexander Kellett]

from what i can see the latest sbt supports jetty-run command :)
testing it out now!
next step, write a command for it to perform the equiv of mvn idea:idea.

Alex

On Wed, Apr 15, 2009 at 7:22 PM, Timothy Perrett
 wrote:
>
>
> Alex,
>
> We could do something like this, but it would still need to use maven to
> start the server (mvn jetty:run). Unfortunately, you'll need to have a local
> maven repo, that's a) part of how maven works and b) the legal implications
> of us redistributing a bunch of other peoples code to make it self contained
> probably had various ramifications.
>
> We could supply a hello world on github, but this is just what the archetype
> creates for you. Perhaps this is a case of education in our community about
> how maven works? If there were supporting documentation would it be so
> scary? (it might help you answer mvn's questions too!)
>
> Cheers, Tim
>
> On 15/04/2009 17:37, "Alexander Kellett"  wrote:
>
>> many people are scared by maven. myself included after my previous
>> "fun" with getting lift working.
>>
>> is there a way to get a self contained "hello world" zip up on github
>> if it is not already there? afaiu maven also allows for local caches,
>> could that that be placed in the zip, or is it simply too big?
>>
>> i think that might scare people much less than pasting the very opaque
>> four liner which asks questions i do not know the answer to :)
>
>
>
> >
>

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[Lift] Re: Liftweb without Maven?

[Alexander Kellett]

looks like it works
   "Welcome to hello-lift at Wed Apr 15 20:17:44 CEST 2009"

:)

Alex

On Wed, Apr 15, 2009 at 8:17 PM, Alexander Kellett  wrote:
> from what i can see the latest sbt supports jetty-run command :)
> testing it out now!
> next step, write a command for it to perform the equiv of mvn idea:idea.
>
> Alex
>
> On Wed, Apr 15, 2009 at 7:22 PM, Timothy Perrett
>  wrote:
>>
>>
>> Alex,
>>
>> We could do something like this, but it would still need to use maven to
>> start the server (mvn jetty:run). Unfortunately, you'll need to have a local
>> maven repo, that's a) part of how maven works and b) the legal implications
>> of us redistributing a bunch of other peoples code to make it self contained
>> probably had various ramifications.
>>
>> We could supply a hello world on github, but this is just what the archetype
>> creates for you. Perhaps this is a case of education in our community about
>> how maven works? If there were supporting documentation would it be so
>> scary? (it might help you answer mvn's questions too!)
>>
>> Cheers, Tim
>>
>> On 15/04/2009 17:37, "Alexander Kellett"  wrote:
>>
>>> many people are scared by maven. myself included after my previous
>>> "fun" with getting lift working.
>>>
>>> is there a way to get a self contained "hello world" zip up on github
>>> if it is not already there? afaiu maven also allows for local caches,
>>> could that that be placed in the zip, or is it simply too big?
>>>
>>> i think that might scare people much less than pasting the very opaque
>>> four liner which asks questions i do not know the answer to :)
>>
>>
>>
>> >>
>>
>

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[Lift] Re: Liftweb without Maven?

[Alexander Kellett]

On Wed, Apr 15, 2009 at 5:26 PM, David Pollak
 wrote:
> While we are a community that welcomes newbies and tries to work with as
> many different people and with as many different styles as possible, there
> are things that we've collectively learned.  We've found that Maven is
> preferable for our style of development.  If you want to use Ant, there's
> nothing stopping you and we'd welcome some Ant scripts for building Lift,
> but we're not going to stop what we're doing and write one for you just
> because you demand that we do so.  Please go back and write the Ant scripts
> yourself and contribute to the community rather than being rude to us
> because we don't do things the way you want.  That will demonstrate that you
> are willing to contribute in rather than demand and insult when your demands
> are not met.

many people are scared by maven. myself included after my previous
"fun" with getting lift working.

is there a way to get a self contained "hello world" zip up on github
if it is not already there? afaiu maven also allows for local caches,
could that that be placed in the zip, or is it simply too big?

i think that might scare people much less than pasting the very opaque
four liner which asks questions i do not know the answer to :)

Alex

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[Lift] Re: Liftweb without Maven?

[Alexander Kellett]

which would also make
http://code.google.com/p/simple-build-tool/wiki/WebApplicationExample
much much more interesting to me...

Alex

On Tue, Apr 14, 2009 at 8:58 PM, marius d.  wrote:
>
>
>
> On Apr 14, 2:40 pm, Viktor Klang  wrote:
>> On Tue, Apr 14, 2009 at 1:38 PM, marius d.  wrote:
>>
>> > Even if I find maven quite helpful for Lift there are people that just
>> > want to stay away from maven. I can understand that. Perhaps it would
>> > be helpful to also have some ant script to build a lift project? ...
>> > or perhaps have a downloadable zip archive from lift's site that
>> > contains incipient projects like the results produced by Lift's
>> > archetypes? ... so that people can just download that project zip file
>> > with the ant build in it and then start building the app on top of
>> > that? ... would that work ?
>>
>> Nice angle!
>> Or perhaps have an online service where you can specify the archetype
>> details and have a compressed payload downloaded?
>
> Yup crossed my mind ... and I love it. Basically run the archetype on
> demand and serve back the zip content.
>
>>
>>
>>
>>
>>
>> > Br's,
>> > Marius
>>
>> > On Apr 14, 2:23 pm, João Pereira  wrote:
>> > > Hello,
>>
>> > > I find that maven will ease your work a lot. Usually it take only one
>> > > step to get a lift app running.
>>
>> > > mvn jetty:run
>>
>> > > if you want to create an eclipse project for the downloaded app, you
>> > > just do mvn eclipse:eclipse and then import it to eclipse.
>>
>> > > Not using maven you'll have to deal with all the dependency management
>> > > by yourself :(
>>
>> > > Can you specify what do you expected from maven? what were the
>> > > problems encountered?
>>
>> > > On Tue, Apr 14, 2009 at 12:11 PM, tk050305cnx 
>> > wrote:
>>
>> > > > I am new to Liftweb. Unfortunately, the example app in the "getting
>> > > > started" doc did not work. That is... Maven did not produce the
>> > > > expected output. I don't want to bother with Maven at this time. Can
>> > > > you point me to a source that describes how to set up a helloworld
>> > > > type of application manually and deploy it on Tomcat? Is there any
>> > > > Eclipse automation for that?
>>
>> > > > Cheers, CNX
>>
>> > > --
>> > > João Miguel Pereira, PMPhttp://jpereira.euhttp://
>> >www.linkedin.com/in/joaomiguelpereira
>> > > joaomiguel.pere...@gmail.com
>> > > (351) 96 275 68 58
>>
>> --
>> Viktor Klang
>> Senior Systems Analyst
> >
>

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[Lift] Re: Rails -> Lift

[Alexander Kellett]

well, fwiw :P i eventually chose ideavim with intellij. best of both worlds.
thanks all for the input!

On Thu, Apr 9, 2009 at 10:20 PM, TylerWeir  wrote:
>
> It's not an editor/IDE war unless someone brings up Vim or Emacs,
> so...
>
> I've been using Vim+Scala+Ctags since I started.
>
> I'd recommend not getting hung-up on which editor is the "best"  just
> start coding.
>
>
> On Apr 9, 3:01 pm, "Charles F. Munat"  wrote:
>> I was thinking that I'd start with Textmate, since I've used that the
>> most and it's what most Rails developers use, and then move to NetBeans,
>> since that seems to be pretty popular. But I could take a quick look at
>> Eclipse, too.
>>
>>
>>
>> David Pollak wrote:
>>
>> > On Thu, Apr 9, 2009 at 2:38 AM, Alexander Kellett > > <mailto:lypa...@gmail.com>> wrote:
>>
>> >     actually my biggest blocker (and still my blocker) is getting a
>> >     working coding environment.
>>
>> >     there is so much contradictory information on which ide is the best.
>> >     it would be really nice to have a document that talks about the pro's
>> >     and con's of each ide.
>>
>> >     in the rails/osx world its easy: use textmate unless you have a
>> >     predisposition for something else.
>>
>> > I spent a lot of time coding Scala and Lift with emacs and Textmate.
>> >  They work fine.
>>
>> > While my current IDE of choice is NetBeans, I'm not convinced that an
>> > IDE is better than a good text editor.
>>
>> >     not the case for lift / scala in general.
>>
>> >     i know, boring... but i think it really would help to have such a
>> >     document to help people decide.
>>
>> >     On Thu, Apr 9, 2009 at 5:58 AM, Charles F. Munat > >     <mailto:c...@munat.com>> wrote:
>>
>> >      > I'm writing a proposal for a presentation on moving from Rails to
>> >     Lift.
>>
>> >      > A couple of stumbling blocks that I've mentioned are:
>>
>> >      > 1. Understanding and taking advantage of immutable constructs.
>>
>> >      > 2. Getting the hang of the view-centric approach to MVC.
>>
>> >      > Before I go much further, I'd like to poll this list for things that
>> >      > others think should be included. For former or current Rails
>> >     developers
>> >      > like myself, What sorts of things gave you the most trouble when
>> >     moving
>> >      > to Lift (or trying it out)? What would you like to have had someone
>> >      > explain to you to make the transition easier?
>>
>> >      > Thanks for any help!
>>
>> >      > Chas.
>>
>> > --
>> > Lift, the simply functional web frameworkhttp://liftweb.net
>> > Beginning Scalahttp://www.apress.com/book/view/1430219890
>> > Follow me:http://twitter.com/dpp
>> > Git some:http://github.com/dpp
> >
>

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[Lift] Re: Rails -> Lift

[Alexander Kellett]

actually my biggest blocker (and still my blocker) is getting a
working coding environment.

there is so much contradictory information on which ide is the best.
it would be really nice to have a document that talks about the pro's
and con's of each ide.

in the rails/osx world its easy: use textmate unless you have a
predisposition for something else.

not the case for lift / scala in general.

i know, boring... but i think it really would help to have such a
document to help people decide.

On Thu, Apr 9, 2009 at 5:58 AM, Charles F. Munat  wrote:
>
> I'm writing a proposal for a presentation on moving from Rails to Lift.
>
> A couple of stumbling blocks that I've mentioned are:
>
> 1. Understanding and taking advantage of immutable constructs.
>
> 2. Getting the hang of the view-centric approach to MVC.
>
> Before I go much further, I'd like to poll this list for things that
> others think should be included. For former or current Rails developers
> like myself, What sorts of things gave you the most trouble when moving
> to Lift (or trying it out)? What would you like to have had someone
> explain to you to make the transition easier?
>
> Thanks for any help!
>
> Chas.
>
> >
>

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[Lift] Re: IDE

[Alexander Kellett]

On Sat, Mar 21, 2009 at 5:12 PM, David Pollak
 wrote:
> It's not a high priority for us to spend a lot of time with classloader
> magic to try to figure out what source files relate to which class files
> which may or may not be loaded or changed.  So, it's unlikely to happen any
> time soon.

good point. i'll look into doing it via some hacking on both scala:cc
(create a file when compiling, and use inotify) and lift (block when
the file exists) then.

thank you for the feedback!
Alex

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[Lift] Re: IDE

[Alexander Kellett]

On Sat, Mar 21, 2009 at 4:49 PM, David Pollak
 wrote:
> On Sat, Mar 21, 2009 at 7:24 AM, Alexander Kellett 
>> unfortunately, as scala:cc is polling rather than using a filesystem
>> notifier, the latency between file modification and .class update is
>> huge.
>
> This is almost all compilation time.  On my Linux box, I put the terminate
> next to my IDE and I can see the compilation process start as soon as I hit
> save.
> Compiling Scala code just plain takes a lot of time.  Especially if you've
> got a lot of functions in a file (e.g., a parser combinator) where compile
> times for a single file may be > 30 secs and result in thousands of class
> files.

ah, my test case wasn't really a good one. for the helloworld snippet
example i'm seeing a (visible) ~1 second pause, then a compile taking
roughly 750ms.

whats the feasibility of making lift block?

Alex

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[Lift] Re: IDE

[Alexander Kellett]

seems like java has this:

  mac via kqueues, jna api but unmerged:
   http://ochafik.free.fr/blog/?p=119

  windows via win32 native, in jna:
   
https://jna.dev.java.net/source/browse/jna/trunk/jnalib/src/com/sun/jna/examples/FileMonitor.java?rev=HEAD&view=markup

  linux via inotify, should be retrofitted to jna:
   http://code.google.com/p/inotify-java/, or
http://jnotify.sourceforge.net/ (also hav windows api, maybe better to
add jna api mac port to this?)

honestly though, while this is all interesting. its just premature
optimisation. for now blocking on the compile is just fine.

On Sat, Mar 21, 2009 at 3:24 PM, Alexander Kellett  wrote:
> unfortunately, as scala:cc is polling rather than using a filesystem
> notifier.

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[Lift] Re: IDE

[Alexander Kellett]

thank you for the suggestion (and realy nice of javarebel to make
this available to scala devels!), much nicer than refreshing and
getting a jetty no-contexts page.

unfortunately, as scala:cc is polling rather than using a filesystem
notifier, the latency between file modification and .class update is
huge. on top of that, the compiler is quite slow, therefore most of
the time, i reload, and the page has not yet changed.

my gut feeling (maybe there are better options) is that scala should
in development mode on request verify that the timestamps of all files
are earlier than that of the .class files. if thats the case, it
should block until the .class file timestamps change. probably some
corner cases, but this should be enough most of the time.

going to find some docs on working on lift itself.

Alex

On Thu, Mar 19, 2009 at 5:07 PM, Timothy Perrett
 wrote:
>
>
> Alex, you could always use JavaRebel... This will replace the classes
> dynamically for you instantly (no more Jetty reboots required, just browser
> refresh). They do a scala only version of JavaRebel that you can download
> for free.
>
> Thanks
>
> Tim
>
> On 19/03/2009 15:12, "Alexander Kellett"  wrote:
>
>>
>> is it possible for lift to block until such compiles are redone? the
>> compiler is simply too slow at this point to be used with such an
>> interactive cycle for me alas. i reload and get either the old, or
>> 500s. simply too error prone.
>>
>> Alex
>>
>> On Thu, Mar 5, 2009 at 6:02 AM, David Pollak
>>  wrote:
>>> One can get continuous build with any editor.  mvn scala:cc scans for
>>> changed files and recompiles.  With the compiler changes that David MacIver
>>> is work on, the compiler will not only recompile the changed files, but also
>>> all dependent files (including dependencies due to implicits, traits, etc.)
>>> Using mvn scala:cc or Eclipse along with JavaRebel makes writing Lift apps
>>> kinda sorta like writing web apps in a scripting language.
>>
>> >
>>
>
>
>
> >
>

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[Lift] Re: IDE

[Alexander Kellett]

is it possible for lift to block until such compiles are redone? the
compiler is simply too slow at this point to be used with such an
interactive cycle for me alas. i reload and get either the old, or
500s. simply too error prone.

Alex

On Thu, Mar 5, 2009 at 6:02 AM, David Pollak
 wrote:
> One can get continuous build with any editor.  mvn scala:cc scans for
> changed files and recompiles.  With the compiler changes that David MacIver
> is work on, the compiler will not only recompile the changed files, but also
> all dependent files (including dependencies due to implicits, traits, etc.)
> Using mvn scala:cc or Eclipse along with JavaRebel makes writing Lift apps
> kinda sorta like writing web apps in a scripting language.

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[Lift] Re: Required goal not found: archetype:generate

[Alexander Kellett]

Few hours of playing with maven (multiple versions) and getting
increasingly annoyed by it... and I suddenly revisited this part of
the command:
  -DarchetypeGroupId:net.liftweb
":" should be "="!

Works just fine after that change :)
Alex

On Thu, Mar 12, 2009 at 6:34 PM, TylerWeir  wrote:
>
> o, k.  Since I'm getting the same error and I'm unsure why, try
> this on:
>
> mvn -e archetype:generate
>
> then you'll get a list mvn can make for you.  lift-blank is # 32.
>
> You then fill bits and pieces yourself like this:
>
> Choose a number:
> (1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/41/42)
> 16: : 32
> [INFO] artifact net.liftweb:lift-archetype-blank: checking for updates
> from lift-archetype-blank-repo
> Define value for groupId: : ca.tylerweir
> Define value for artifactId: : HelloWorld
> Define value for version:  1.0-SNAPSHOT: :
> Define value for package:  ca.tylerweir: :
>
> Give that a shot.
>
> On Mar 12, 1:20 pm, "erik.fris...@googlemail.com"
>  wrote:
>> You are indeed right, my PDF was outdated. I have to admit though I
>> have no clue how that happened, I downloaded it today. Anyway, I ran
>> the following command:
>>
>> mvn archetype:generate -U \
>> -DarchetypeGroupId:net.liftweb \
>> -DarchetypeArtifactId=lift-archetype-blank \
>> -DarchetypeVersion=1.0 \
>> -DremoteRepositories=http://scala-tools.org/repo-releases\
>> -DgroupId=demo.helloworld \
>> -DartifactId=helloworld \
>> -Dversion=1.0-SNAPSHOT
>>
>> Now I get this error:
>>
>> The desired archetype does not exist (org.apache.maven.archetypes:lift-
>> archetype-blank:1.0)
>>
>> Before I run the error I again deleted the .m2. Thanks for the help,
>> got us a little closer to the solution. Is there something else I can
>> try to get this to work?
>>
>> Erik
>>
>> P.S. If I ever get to see the "BUILD SUCCESSFUL" I will pop me a cold
>> one and celebrate...
>>
>> On Mar 13, 4:09 am, TylerWeir  wrote:
>>
>>
>>
>> > Grab the PDF again, looks like you have the slightly older one with a
>> > version typo.  Run this badboy:
>>
>> > mvn archetype:generate -U \
>> > -DarchetypeGroupId=net.liftweb \
>> > -DarchetypeArtifactId=lift-archetype-blank \
>> > -DarchetypeVersion=1.0 \
>> > -DremoteRepositories=http://scala-tools.org/repo-releases\
>> > -DgroupId=demo.helloworld \
>> > -DartifactId=helloworld \
>> > -Dversion=1.0-SNAPSHOT
>>
>> > Ty
>>
>> > On Mar 12, 1:00 pm, "erik.fris...@googlemail.com"
>>
>> >  wrote:
>> > > Hi again,
>>
>> > > I figured this one out. During some fixing I unwittingly overwrote
>> > > my .bash_profile, reverting maven to the 2.0.6 version. I am running
>> > > Leopard. I don't get this error anymoreyou guessed it, I get
>> > > another. Now I get this:
>>
>> > > The desired archetype does not exist (org.apache.maven.archetypes:lift-
>> > > archetype-blank:0.10)
>>
>> > > I can post the stacktrace if it is of help, I exclude it for now so
>> > > this post remains somewhat readable. I am so desperately trying to get
>> > > this working to play around with the framework, but so far this has
>> > > been very depressing. I would greatly appreciate any hints or tips
>> > > what might be going wrong.
>>
>> > > mvn --version prints out this:
>> > > Maven version: 2.0.10
>> > > Java version: 1.5.0_16
>> > > OS name: "mac os x" version: "10.5.6" arch: "i386" Family: "unix"
> >
>

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[Lift] Re: Required goal not found: archetype:generate

[Alexander Kellett]

Ah. Feel much better.. Thought it was just me and never took the time
to look into this. I get the same thing...

Looking at mvn -X I see:

[DEBUG]   (f) remoteArtifactRepositories = [[central] ->
http://repo1.maven.org/maven2]

Googling for a while helps not... any ideas?

On Thu, Mar 12, 2009 at 6:20 PM, erik.fris...@googlemail.com
 wrote:
>
> You are indeed right, my PDF was outdated. I have to admit though I
> have no clue how that happened, I downloaded it today. Anyway, I ran
> the following command:
>
> mvn archetype:generate -U \
> -DarchetypeGroupId:net.liftweb \
> -DarchetypeArtifactId=lift-archetype-blank \
> -DarchetypeVersion=1.0 \
> -DremoteRepositories=http://scala-tools.org/repo-releases \
> -DgroupId=demo.helloworld \
> -DartifactId=helloworld \
> -Dversion=1.0-SNAPSHOT
>
> Now I get this error:
>
> The desired archetype does not exist (org.apache.maven.archetypes:lift-
> archetype-blank:1.0)
>
> Before I run the error I again deleted the .m2. Thanks for the help,
> got us a little closer to the solution. Is there something else I can
> try to get this to work?
>
> Erik
>
> P.S. If I ever get to see the "BUILD SUCCESSFUL" I will pop me a cold
> one and celebrate...
>
> On Mar 13, 4:09 am, TylerWeir  wrote:
>> Grab the PDF again, looks like you have the slightly older one with a
>> version typo.  Run this badboy:
>>
>> mvn archetype:generate -U \
>> -DarchetypeGroupId=net.liftweb \
>> -DarchetypeArtifactId=lift-archetype-blank \
>> -DarchetypeVersion=1.0 \
>> -DremoteRepositories=http://scala-tools.org/repo-releases\
>> -DgroupId=demo.helloworld \
>> -DartifactId=helloworld \
>> -Dversion=1.0-SNAPSHOT
>>
>> Ty
>>
>> On Mar 12, 1:00 pm, "erik.fris...@googlemail.com"
>>
>>  wrote:
>> > Hi again,
>>
>> > I figured this one out. During some fixing I unwittingly overwrote
>> > my .bash_profile, reverting maven to the 2.0.6 version. I am running
>> > Leopard. I don't get this error anymoreyou guessed it, I get
>> > another. Now I get this:
>>
>> > The desired archetype does not exist (org.apache.maven.archetypes:lift-
>> > archetype-blank:0.10)
>>
>> > I can post the stacktrace if it is of help, I exclude it for now so
>> > this post remains somewhat readable. I am so desperately trying to get
>> > this working to play around with the framework, but so far this has
>> > been very depressing. I would greatly appreciate any hints or tips
>> > what might be going wrong.
>>
>> > mvn --version prints out this:
>> > Maven version: 2.0.10
>> > Java version: 1.5.0_16
>> > OS name: "mac os x" version: "10.5.6" arch: "i386" Family: "unix"
>
> >
>

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[Lift] Re: Fwd: Official Siemens SIS Press Release about ESME released

[Alexander Kellett]

tiny url version to save some people mobile device long url correction
hell... ;)

http://tinyurl.com/cfnmcu

On Thu, Mar 12, 2009 at 5:03 PM, David Pollak
 wrote:
> ESME is Scala and Lift based and is in production @ Siemens.
>
> -- Forwarded message --
> From: Hirsch, Richard 
> Date: Mon, Mar 9, 2009 at 7:45 AM
> Subject: Official Siemens SIS Press Release about ESME released
> To: p...@apache.org, esme-...@incubator.apache.org
> Cc: Jim Jagielski 
>
>
> The official press release from Siemens about ESME has been released:
> https://www.it-solutions.siemens.com/b2b/it/en/global/press/press-releas
> es/2009/Pages/enterprise-social-messaging-experiment.aspx
>
> Thanks for everyone's support.
>
> D.
>
>
>
> --
> Lift, the simply functional web framework http://liftweb.net
> Beginning Scala http://www.apress.com/book/view/1430219890
> Follow me: http://twitter.com/dpp
> Git some: http://github.com/dpp
>
> >
>

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[Lift] Re: lift for cloud computing

[Alexander Kellett]

/me puts a vote in for a sharding capable framework with grid wide (as
in, across machines, but preferably local via data migration /
replication) actor integration.

On Tue, Feb 17, 2009 at 8:47 AM, mighdoll  wrote:
> I agree -- a web framework that works well with scalable storage is
> the most interesting challenge.

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[Lift] Re: typed browser scripting languages?

[Alexander Kellett]

http://code.google.com/webtoolkit/

java -> javascript

alas, http://www.scala-lang.org/node/291

On Fri, Feb 13, 2009 at 11:46 PM, Meredith Gregory
 wrote:
> Scalads, lasses and Lifted,
>
> Does anyone know of efforts to create a typed functional equivalent to
> JavaScript? The current situation with the momentum to use third party
> components with no ability to catch interaction between components at
> compile time means that you are flying completely blind when you use third
> party code. This really weakens the value prop of providers like jQuery --
> especially jQuery as it has no dependency management, either.
>
> i know of one group that compiles OCaml to JavaScript (for a mobile
> platform). Are there other efforts people know about?
>
> Best wishes,
>
> --greg
>
> --
> L.G. Meredith
> Managing Partner
> Biosimilarity LLC
> 806 55th St NE
> Seattle, WA 98105
>
> +1 206.650.3740
>
> http://biosimilarity.blogspot.com
>
> >
>

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