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Wednesday, February 26, 2003 |
More on reflection...
So I tried
object o = Activator.CreateInstance("MVC","MVC.Controller"); and it worked! I tried this before but it has never worked because all documentation I have seen says do it like this
object o = Activator.CreateInstance("MVC.DLL","MVC.Controller"); (note the .dll!)
4:18:38 PM 
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GetType and Namespace.
If I do Type.GetType("MyClass") it doesn't work, that is it doesn't find the class. If I do Type.GetType("MyNamespace.MyClass") it works but only if I am in MyNamespace. If I have a using statement and a reference it doesn't work either Type.GetType("MyOtherNamespace.MyOtherClass").
How do I get the type of a class not in my namespace?
3:36:56 PM
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3Degrees.
Yoz Grahame rips apart the 3Degrees beta with deft skill. I'm more or less compulsed to post any review that uses the words "metric arseload". It's an illness, I know... now go enjoy the show!
[The .NET Guy]
I downloaded this beta. At least I got it to work, but it took about 2 hours to get all of the code and updates. I guess when it is reall they must be planning to make it part of a new XP release or something because real humans don't want to go through this much. The wink feature is like the singing fish plaques, cool for a few minutes then it really sucks. You can exchange pictures but not files. We were able to get a file accross by giving it a .gif extension then renaming it in the other side. Kind of stupid, you would think college kids would need to exchange files as well as music and pictures.
1:31:33 PM
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Testing - kids get it. I haven't taught the Smalltalk class in a couple of weeks - the snow storm last week blew away a class, and if the snow keeps up the way the forecast calls for, tomorrow's class will be off as well.
In the meantime, I was very impressed with what happened last time around. I decided to introduce them to some rteal coding - with a browser. We took a very simple example - a simple "calculator" application that could add numbers. So we defined a class:
Smalltalk defineClass: #Counter
superclass: #{Core.Object}
indexedType: #none
private: false
instanceVariableNames: 'counter'
classInstanceVariableNames: ''
imports: ''
category: 'Calculator'
We actually use Squeak, since it has a lot of cool things for introducing programming - the Alice stuff in particular. Anyway, they stumbled through the creation a bit - but they got the basic class/instance split more quickly than I thought they would. Once we implemented the ' ' message, a light clicked - they got it!!. They they ran off and did subtraction, multiplication, and division - the biggest question they had was what sign to use for multiply - they were not familiar with the asterisk notation.
But they got it. Very impressive, and lots of fun. [Cincom Smalltalk Blog - Smalltalk with Rants]
10:47:54 AM
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© Copyright 2003 Clarence Westberg.
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This is my blogchalk:
United States, Minnesota, Bloomington, West, English, Clarence, Male, 51-55.
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