I have been spending a lot of time writing about technology lately. After a phone conversation with Tim Ewald, it got me thinking. During the first half of writing the book, I was working full-time writing ATL/C++ apps mostly and trying to get up to speed with ADO.NET at night. While my girlfriend minds, I don't really.
While in this phase of the project, I learned a lot about the technology and the class signatures, but it was very hard to grasp the big picture of the real problems that people will/are facing.
I have been thinking a lot about how Typed DataSets are generated and was spelunking through the code again when it got me thinking. The Typed DataSet generator doesn't really generate the code based on the .xsd, but on the DataSet. It simply loads the .xsd into a DataSet then interrogates the DataSet directly for everything (tables, columns, relationships, constraints). So if the Typed DataSet Designer cannot handle something (like relationships *without* constraints, see below), but the DataSet schema allows it...simply create the DataSet and save the .xsd file to see what it produces! This gets around some fundamental problems with the designer. It does require you start looking and understanding .xsd, but it is a useful skill to have anyway...right?
So my first relevation was how to add unconstrained relationships (no foreign key constraint, simply a way to navigate the data). Since the designer does not allow this, I looked at the .xsd and found that the DataSet handles this with a schema annotation:
I hear from a lot of readers that they are creating 3-tier ASP.NET apps and I always wonder if they know where the middle tier is.
In my opinion, the web server is the middle tier and client tier is the browser. Creating another set of machines to host the data layer isn't really necessary and, in fact, hosting the data layer on the web server is easier to scale. We know how to scale out web servers. Inventing a new set of machines forces you to figure out how to scale them out and it does not increase your scalability by scaling out both the web server and a fourth tier.
I hope I am not the only one who missed the magic of CTRL-SHIFT-V. I have bungled about with copy-paste in the editor so many times...I accidently hit CTRL-C instead of CTRL-V and copy an empty line instead of pasting my code...Arg! Now I know to just hit CTRL-SHIFT-V and pick my lost copy from the clipboard ring.
Now its got me wondering what else I have missed. If you have a favorite hidden treasure, could you e-mail at firstname.lastname@example.org and I will post them in an upcoming rant.
After complaining to MS guys for over a year, it seems that they've finally opened up their Visual Studio Integration Program (VSIP). For those of use that have wanted to dig in deeper into VS.NET and fix some of the annoyances, this is great news.
I ran into this article about using Ink Blots to make passwords on Microsoft Research's site and it got me thinking about security and privacy. I think the only bastion of true privacy these days is in the mind. Social Security #'s, mothers maiden names, pet names...its all just demographic data that is in the wide open. So for the common user, trying to remember a strong password (numbers, letters and punctuation) is just too hard.
As a primarily .NET Guy, it has been fun watching from sidelines what Sun is trying to do for Java...
I've wrote a bit of Java here and there, but I could never find an IDE that was worth a dime. Sun seems to finally trying to address Java's biggest weakness, development tools. Sure, hardcore Java heads will tell me that I am a lesser man for not doing everything with the command-line. This thinking is even permeating .NET lately talks.
Bad news to all you AMD fans (yours truly included), Microsoft has announced that the upcoming Windows 2003, 64 bit edition will *not* have support for Opteron's 64 bit mode!
Bad move Microsoft. Your new mantra is supposed to be "competition is good", but this reeks of a side deal with Intel. Us, the users, want 64 bit power, but until competition helps lower costs, we can't afford it.
Ok, maybe 64 bit is supposed to be for big iron, but someone once said that 640K would be all the memory we'd ever need. What can we do to get you to change your mind MS?
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