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EditText, clear focus on touch outside
...s what I ended up doing:
I created an (invisible) FrameLayout called touchInterceptor as the last View in the layout so that it overlays everything (edit: you also have to use a RelativeLayout as the parent layout and give the touchInterceptor fill_parent attributes). Then I used it to intercept to...
C# generic type constraint for everything nullable
... one (foo3) throws an exception in the constructor:
var foo1 = new Foo<int?>();
Console.WriteLine(foo1.IsNull());
var foo2 = new Foo<string>();
Console.WriteLine(foo2.IsNull());
var foo3= new Foo<int>(); // THROWS
Console.WriteLine(foo3.IsNull());
...
Finding three elements in an array whose sum is closest to a given number
Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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How do you test functions and closures for equality?
...
Chris Lattner wrote on the developer forums:
This is a feature we intentionally do not want to support. There are
a variety of things that will cause pointer equality of functions (in
the swift type system sense, which includes several kinds of closures)
to fail or change depending o...
What is x after “x = x++”?
...
x does get incremented. But you are assigning the old value of x back into itself.
x = x++;
x++ increments x and returns its old value.
x = assigns the old value back to itself.
So in the end, x gets assigned back to its initial value.
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C# Iterating through an enum? (Indexing a System.Array)
...yEnum));
MyEnum[] values = (MyEnum[])Enum.GetValues(typeof(MyEnum));
for( int i = 0; i < names.Length; i++ )
{
print(names[i], values[i]);
}
But, can you be sure that GetValues returns the values in the same order as GetNames returns the names ?
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Is there a function that returns the current class/method name? [duplicate]
...od().Name;
Since you're using this for logging purposes, you may also be interested in getting the current stack trace.
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How can I make my custom objects Parcelable?
... this.grade = data[2];
}
@Оverride
public int describeContents(){
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeStringArray(new String[] {this.id,
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Tab key == 4 spaces and auto-indent after curly braces in Vim
How do I make vi - Vim never use tabs (converting spaces to tabs, bad!), makes the tab key == 4 spaces, and automatically indent code after curly brace blocks like Emacs does?
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Check if UIColor is dark or bright?
...l? {
let originalCGColor = self.cgColor
// Now we need to convert it to the RGB colorspace. UIColor.white / UIColor.black are greyscale and not RGB.
// If you don't do this then you will crash when accessing components index 2 below when evaluating greyscale colors.
...