I haven't read the Head First design patterns book, but I've read the
Gang of Four. I always felt like design patterns followed from the
principles (which I assumed would be in HF OOAD), and that it might be
better to know the principles and then learn the patterns. But, since I
haven't read either of them, I can't say for sure.
I can say that the GoF design patterns book is not where I'd go to get
my feet wet though =).
-Sam
Peter Bell wrote, On 2/20/2007 7:47 AM:
Head first OOA&D is a good book, but it assumes a familiarity with OO
coding. I'd actually read head first design patterns before their OOA&D book
(which is good, but to my mind, not intro level). The DP book isn't
specifically about OO, but it covers the basics and also introduces a bunch
of patterns you're going to need to learn over time to get how to make OO
work in practice.
Best Wishes,
Peter
On 2/20/07 7:02 AM, "Sammy Larbi" <[EMAIL PROTECTED]> wrote:
Jim,
For those questions I'd take a look at
http://butunclebob.com/ArticleS.UncleBob.PrinciplesOfOod and
specifically the first 5 principles listed there. It's a great
introduction to OOD. If you encounter a term you haven't seen, I'd look
it up to understand it. Finally, I'd have a look at the DRY principle,
because that one is pretty helpful too.
If you're down for a bigger read, check out Steve McConnell's Code
Complete 2 (I'm currently reading it). It has a lot of information
regarding the questions you asked (plus a lot more). I've also heard
good things about Head First OOAD, which would address some of your
questions, but I haven't read it myself.
-Sam
Jim Cassata wrote, On 2/19/2007 4:04 PM:
even the mechanics of using CFC's properly might
be a hidden mystery in the beginning, one that you
may not find explained clearly anywhere.
Nando
YES Nando! huge emphasis on properly! I can make the CFCs work real
fast and real easy, but am I doing it properly? I have no idea. I have
been religiously following the Forta CFMX7-WACK but the examples are
so basic. How many fnctions in a CFC are too much? How many CFC
invokes in a CFM page are too much? WHen to use CFObject vs CFInvoke?
For example one of my cfm pages maybe had a query joining 4 tables and
then 4 other queries that get records from some supporting tables. How
should I break that logic into CFCs and CFFunctions? Well, by not
knowing the answer to that question my approach has been to put the
functionality for that page into it's own function, with cffunctions
to similar pages grouped into the one CFC. If I did add a feature,
instead of updating multiple cfm pages, now I go to one CFC and update
several cffunctions. Better than the way it was but is it proper? or best?
As for the ModelGlue, if I want an existing app to be in MG am I
essentially rewriting the whole thing?
Jim
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