I would echo David's comment. Scala is a powerful language with high
complexity budget. I think it's important to learn the fundamentals of
Scala first and build on top of it.

On Mon, Jul 6, 2009 at 11:52 AM, David
Pollak<feeder.of.the.be...@gmail.com> wrote:
> Eric,
> It seems that you want to hike the Appalachain Trail at marathon speeds.
> I'm not sure it can be done.  It took me 18 months with Scala before I felt
> comfortable with it and my learning curve with new languages is pretty good
> (it took 2 weeks to get comfortable with Ruby and 3 months before I felt
> that I had mastered it.)  I do not yet consider myself a Scala guru,
> although I consider myself very skilled with it.
> All of us have different learning styles, but I'm not sure that your goal of
> understanding object hierarchies before sitting down to code is one that I'd
> recommend.
> I'd suggest playing with small pieces and getting them to work for you.
> Perhaps the following order might be a starting place:
> Install Scala 2.7.5 and just play with the REPL (the interactive
> interpreter.)  This will give you a good feeling of what can be done with
> Scala.  See how data can be manipulated. (3 or 4 days... perhaps assisted by
> Beginning Scala.)
> Install Maven on your machine and create the Lift hello world app:
> http://wiki.liftweb.net/index.php/HowTo_start_a_new_liftwebapp (1 to 2
> days... also use a normal text editor, not an IDE... installing IDEs can be
> a rats nest of problems... TextMate for the Mac is the best choice, but vi
> or emacs are also good if you already know them.)
> Run through the ToDo example in Lift (5 or 6 days)
> By this point, you should have a bucket full of questions.  Ask them.  Ask
> them as your going.  Ask them when you get to breaking points.
> As you're spending your two weeks touring through Scala and Lift, start
> thinking about what you want to build.  Think from the UI back (that tends
> to be the easiest for most people... then think about how to interact with
> something and then go backward from it.)  Scala allows for better
> "composition" of application (using smaller parts to make bigger
> functionality rather than thinking about gross level object abstractions).
> So, draw your UI on a piece of paper and then start writing down what pieces
> each UI component needs.  You should be able to build a simple, piece by
> piece screen that does what you want it to.  Once you've got it working,
> think about how to combine and normalize pieces of functionality.
> As always, we're here for you.  The Lift community will help you, but we ask
> that you document your learning (perhaps via blog or wiki or Twitter) so
> others have the benefit of the work you've done.
> Thanks,
> David
> On Mon, Jul 6, 2009 at 6:14 AM, eric cs <eeri...@gmail.com> wrote:
>> Guys,
>> Thank you very much for all your answers.
>> Having a community like that, I know is half way there for anyone.
>> I am very very very eager to learn, that's my number one priorite
>> right now and the e-commerce is an example to work with some real
>> application and apply logic and a database to learn how put the
>> classes together.
>> It's not a hobbie I found another passion in my life besides my wife,
>> my dog, my music and it's web programming.
>> I like it all since css,ajax to actionscript to back side languages
>> and the logic behind it.That's why I quit Civil Engineering and move
>> to Computer Science years ago, but some stuff happens yada,yada.yada,
>> here I am several years later trying to learn again.
>> I feel better and more prepared than before and without distractions.
>> I said a month but I have all the time in my hands right now so it
>> could be until 2010 if necessary, full time. I wish I could work doing
>> something like this sometime.
>> Before I even learn scala, I have to get the logic how to create an
>> app first in my head, like which items would an object and they will
>> related to each other then to a database,it's not about create a
>> simple program only,abstract,it's about how to put all little
>> programns together to create something, in this case could be an e-
>> commerce.Then I could learn the advanced concepts of Scala, functional
>> programming and stuff like that.
>> Maybe an e-commerce has a lot of logic involved is a good start to get
>> my head around programming web apps with that example.
>> I don't know if you guys understand what I meant,what I need to learn
>> first, but even a book that explains that would be good, I read some
>> books about design patterns and stuff but none of them applied in a
>> real application.
>> It's not even regular regular programming logic, I need to learn like
>> how a put a app in a modular way, one thing on top of eachother, I
>> don't know it that's the way to think about that, how classes will
>> interact with eachother,Interfaces.
>> Anyway, keep your advices coming and in case you know a book that
>> explains that would be awesome.
>> Thanks again.
>> wat
>> On Jul 6, 6:01 am, Eric Bowman <ebow...@boboco.ie> wrote:
>> > To this I would add:
>> >
>> > The way to learn to program, is to program.  It takes a lot of time, and
>> > a lot of hard work.  Reading books is good, and necessary, but it's not
>> > enough.
>> >
>> > Also, Lift really uses Scala to the max, so if you only have 30 days, I
>> > would plan to spend the first half just becoming good at Scala.  Which
>> > will take longer than 15 days!
>> >
>> > Anyhow, being a "guru" is a life ambition.  It takes time, time, time
>> > and more time.  All your time.  A history of "unfinished" is going to
>> > work against you -- this will take serious dedication and
>> > stick-to-it-ness.
>> >
>> > An insightful view from Google's Director of
>> > Research:http://norvig.com/21-days.html
>> >
>> >
>> >
>> >
>> >
>> > Naftoli Gugenhem wrote:
>> > > I would say that the main advantage knowledge of Java over a similar
>> > > language gives you is knowledge of the Java environment and system, but 
>> > > you
>> > > can pick that up via scala too.
>> > > As far as turning theory into actual programming, my personal advice
>> > > is to take one small sample, get it running, and then ask yourself 
>> > > questions
>> > > like "Why does it do this?" and "What if I change this." Once you have a
>> > > thorough understanding of how the sample accomplishes what it was 
>> > > supposed
>> > > to accomplish, and how all the parts contribute to that, repeat with 
>> > > another
>> > > one. Along the way ask yourself, "What if I want the computer to do xyz
>> > > (similar to sample x)?" Also, play around in the interpreter trying
>> > > different permutations.
>> > > Of course, it goes without saying to read the books and articles, not
>> > > to mention to ask all your questions on the scala-user list.
>> > > Enjoy!
>> >
>> > > -------------------------------------
>> > > eric cs<eeri...@gmail.com> wrote:
>> >
>> > > Hi guys,
>> >
>> > > I saw some posts on Scala website about helping newcomers and I was
>> > > wondering if some of you would be kind enough to help me out to start
>> > > with Scala/Lift.
>> > > My main problem is I am not a programmer yet but I really really want
>> > > to be, I've been studying Ruby/Rails, Php/Zend/Symfony,Mvc,Design
>> > > Patterns,Uml,Sql and some Java. I read some books but I don't get my
>> > > head to think like a programer.
>> > > I really like OO,Design Patterns, Uml but I don't know how to apply
>> > > that to a full application, how to link everything together,
>> > > classes,objects(books about that?Not about those items but how to put
>> > > everything together)...I know a lot of the theory and concepts but no
>> > > practice.
>> > > I have all july available to learn that 12 hours a day or more if
>> > > necessary I just need a push, someone to teach/help me out.
>> > > What's more, I saw a post saying that I could learn Scala from scratch
>> > > without learning Java, it's possible, not so much with Groovy. If it's
>> > > not what parts of Java do I need to know, in case some of you tell me
>> > > learn Java first(the easy answer).Do I need a lot of experience in
>> > > Java to jump in in Scala? I know it helps but I would like to finish
>> > > my first e-commerce in august, 100% opensource in Scala if possible.
>> >
>> > > P.s:I did 2 years of Computer Science C++ and 2 years of Civil
>> > > Engineering over 12 years ago both unfinished.
>> >
>> > --
>> > Eric Bowman
>> > Boboco Ltd
>> > ebow...@boboco.iehttp://www.boboco.ie/ebowman/pubkey.pgp
>> > +35318394189/+353872801532- Hide quoted text -
>> >
>> > - Show quoted text -
> --
> 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
> >

Omnem crede diem tibi diluxisse supremum.

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