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Division of integers in Java [duplicate]
...ote that you don't actually need to convert both of the inputs. So long as one of them is double, the other will be implicitly converted. But I prefer to do both, for symmetry.
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Is there an IDictionary implementation that, on missing key, returns the default value instead of th
... decided this was good enough to add to System.Collections.Generic.CollectionExtensions, as I just tried and it's there.
– theMayer
Feb 21 '19 at 19:43
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ASP.NET MVC Html.DropDownList SelectedValue
... What the hell! This is not fixed in MVC5??? As another trick mentioned by @Paul Hatcher , copy the selected id into the ViewData["DealerTypes"].
– jsgoupil
Oct 1 '14 at 21:25
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Why do we need boxing and unboxing in C#?
...sole.WriteLine(o1.Equals(o2));
which will then, thankfully, print True.
One last subtlety:
[struct|class] Point {
public int x, y;
public Point(int x, int y) {
this.x = x;
this.y = y;
}
}
Point p = new Point(1, 1);
object o = p;
p.x = 2;
Console.WriteLine(((Point)o)...
When to use -retainCount?
...don't use -retainCount. It's a truly worthless method.
edit
Please everyone go to http://bugreport.apple.com and request that -retainCount be deprecated. The more people that ask for it, the better.
edit #2
As an update,[NSNumber numberWithInt:1] now has a retainCount of 9223372036854775807. ...
How to remove from a map while iterating it?
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@skyhisi: Indeed. This is one of the legitimate uses of the post-increment: First increment it to get the next, valid iterator, and then erase the old one. It doesn't work the other way round!
– Kerrek SB
Nov 22 ...
How do I abort/cancel TPL Tasks?
... example! It is a simple boolean condition, of course it is the first what one would try! But i.e. I have a function in a separate Task, which may take much time to be ended, and ideally it shouldn't know anything about a threading or whatever. So how do I cancel the function with your advice?
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What is (functional) reactive programming?
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Denotational semantics gave me a precise framework for this question, and one that fits my aesthetics (unlike operational or axiomatic semantics, both of which leave me unsatisfied).
So I asked myself what is behavior?
I soon realized that the temporally discrete nature of imperative computation is...
No Main() in WPF?
I am a beginner when it comes to programming but I was sure that one of the universal rules was that a program starts with Main(). I do not see one when I create a WPF project. Is Main() simply named something differently in WPF?
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Can I assume (bool)true == (int)1 for any C++ compiler?
....7 [conv.integral] / 4: If the source type is bool... true is converted to one.
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