Charlotte Foust
cfoust at infostatsystems.com
Wed Jul 1 15:32:00 CDT 2009
Change that to ALL of what you build will be classes and I'll agree with you. Charlotte -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of jwcolby Sent: Wednesday, July 01, 2009 1:26 PM To: Access Developers discussion and problem solving Subject: Re: [AccessD] SPAM-LOW: Skill Zones Additionally, much of what you build will be classes as well. Resistance is futile. You will be assimilated. John W. Colby www.ColbyConsulting.com Max Wanadoo wrote: > Good point, Charlotte. > > Max > > > > -----Original Message----- > From: accessd-bounces at databaseadvisors.com > [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Charlotte > Foust > Sent: 01 July 2009 18:05 > To: Access Developers discussion and problem solving > Subject: Re: [AccessD] SPAM-LOW: Skill Zones > >> I would also say that until you truly understand classes you will >> NEVER > transition smoothly to .Net. > > I have to agree with that, John. EVERYTHING in .Net is an object, > even a simple string. Everything has methods and properties, and you > have to learn to work with them rather than just operate on them. > > Charlotte Foust > > -----Original Message----- > From: accessd-bounces at databaseadvisors.com > [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of jwcolby > Sent: Wednesday, July 01, 2009 9:56 AM > To: Access Developers discussion and problem solving > Subject: Re: [AccessD] SPAM-LOW: Skill Zones > > Of course I agree with Charlotte, when you finally wrap your mind > around classes, suddenly they become like a nail gun vs a hammer. But > you have to really get there and that is the problem most people have. > > Imagine that you live a mile from town. You have always ridden a bike. > It seems like that works quite well, after all you have always ridden > a bike, and you cannot really imagine why you would need more. > > Then your friend lends you a car while he's on vacation for the month. > Asks you to feed his cat and dog, check on his mother in the next town > over. you drive, you run around, you haul stuff for his mom, you > suddenly see that a car is a different breed of transportation from a > bike. A bike works, but it is just a different breed. > > Until you actually use it, day in and day out, you just never > appreciated how different it was and what it allowed you to do. > > There are things that you simply cannot reasonably do without classes. > But until you have tried to do those things you cannot understand what > they might possibly be. > > Let me give you an example, caching data. > > I use tables where the data doesn't change from month to month. These > tables have hundreds of records, and yes, I could just set up things > to seek etc to go through and find data in these tables. But I USE > these tables to control whether specific tabs are displayed, whether > certain subforms are allowed to load and so forth. I use these tables > PROGRAMMATICALLY, in loops in programs where decisions are made etc. > To try and seek to specific records then get certain fields would be > several orders of magnitude slower than to simply load each record > into a class, then load those record class instances into a > collection, keyed on a common lookup field (what you would Find Next on or SEEK on). > > Record / record supervisor. Once I have these I can get at any field > that I need (or specific fields that I need all of the time) and I can > get at it INSTANTLY. > > Collections of classes keyed on a search data are something that you > cannot even understand until you do it. Once you do it, the light > bulb goes on. > > Goto http://www.databaseadvisors.com/downloads.asp and click on the > zipcode demo. You cannot do this kind of thing without classes. > > Click on the Openargs demo. You cannot do this without classes. > > I could swear I had another demo up there for SysVars. That is > another thing you just can't do without classes (it is the cached record idea). > > I would never say that you can't be a very good, very successful > developer without classes. I would say that once you understand and > use them you will be in an entirely different league, because what you > can do suddenly changes. > > I would also say that until you truly understand classes you will > NEVER transition smoothly to .Net. > > John W. Colby > www.ColbyConsulting.com > > > Max Wanadoo wrote: >> Dan, you don't. I have been using access for donkey years...you DONT >> need classes. Dont listen to the purists. Do what works for you.. >> >> Ignore the apple... >> >> Max >> >> >> >> -----Original Message----- >> From: accessd-bounces at databaseadvisors.com >> [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Charlotte >> Foust >> Sent: 01 July 2009 16:22 >> To: Access Developers discussion and problem solving >> Subject: Re: [AccessD] SPAM-LOW: Skill Zones >> >> No, Dan, you need lots of classes, but you only recognized the need >> for one! LOL >> >> Charlotte Foust >> >> -----Original Message----- >> From: accessd-bounces at databaseadvisors.com >> [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Dan Waters >> Sent: Wednesday, July 01, 2009 8:17 AM >> To: 'Access Developers discussion and problem solving' >> Subject: Re: [AccessD] SPAM-LOW: Skill Zones >> >> John, >> >> How about if I added in 'Large Scale Data Transformation'? From your >> descriptions of what you do, that sounds reasonably concise. >> >> You're right - if you can do everything in the two lower zones and a >> few things in the Pro Zone, then that's where you're working! I have >> to make a confession - I've only written one class. But - I only >> needed that one. >> >> Dan > > -- > AccessD mailing list > AccessD at databaseadvisors.com > http://databaseadvisors.com/mailman/listinfo/accessd > Website: http://www.databaseadvisors.com > -- AccessD mailing list AccessD at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/accessd Website: http://www.databaseadvisors.com