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How do I set a ViewModel on a window in XAML using DataContext property?
The question pretty much says it all.
5 Answers
5
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When and why would you seal a class?
... features, so that the original object cannot be "impersonated".
More generally, I recently exchanged with a person at Microsoft, who told me they tried to limit the inheritance to the places where it really made full sense, because it becomes expensive performance-wise if left untreated. The sealed...
What is the difference between the states selected, checked and activated in Android?
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The difference between Checked and Activated is actually quite interesting. Even the Google documentation is apologetic (emphasis below added):
... For example, in a list view with single or multiple selection
enabled, the views in the current selection set are activate...
iPhone system font
...
I'm not sure there is an api to get the default system font name. So I just get the name like this :
//get system default font
UILabel *label = [[UILabel alloc] init];
fontname = label.font.fontName;
[label release];
Looks ...
Disable cache for some images
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Please note: You do not actually prevent the browser from caching the image, you only prevent looking at the cached image. Applying proper headers to your image is the best way imho (see the solution of lhunath below). Since this way you also fill the c...
C# properties: how to use custom set property without private field?
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What's the difference between this and not having set at all?
– Sidhin S Thomas
Nov 11 '19 at 16:59
3
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Converting camel case to underscore case in ruby
...ef underscore
self.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
end
end
Then you can do fun stuff:
"CamelCase".underscore
=> "camel_case"
...
How to define “type disjunction” (union types)?
...str")
case _: Int => println("int")
}
}
And that's it. You can call foo(5) or foo("abc"), and it will work, but try foo(true) and it will fail. This could be side-stepped by the client code by creating a StringOrInt[Boolean], unless, as noted by Randall below, you make StringOrInt a seale...
How do I save and restore multiple variables in python?
...icense" for more information.
>>> from klepto.archives import file_archive
>>> db = file_archive('foo.txt')
>>> db['1'] = 1
>>> db['max'] = max
>>> squared = lambda x: x**2
>>> db['squared'] = squared
>>> def add(x,y):
... return x+y
....
What does jQuery.fn mean?
...roperty.
The jQuery identifier (or $) is just a constructor function, and all instances created with it, inherit from the constructor's prototype.
A simple constructor function:
function Test() {
this.a = 'a';
}
Test.prototype.b = 'b';
var test = new Test();
test.a; // "a", own property
test....