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lock(new object()) — Cargo cult or some crazy “language special case”?
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I wouldn't be suprised if it was someone who saw this:
private readonly object lockObj = new object();
private void MyMethod()
{
lock(lockObj)
{
// do amazing stuff, so amazing it can only run once at a time
// e.g. comands on the Mars ...
What's the correct way to communicate between controllers in AngularJS?
...se $rootScope.$emit()/ $rootScope.$on() as an EventBus.
However, there is one gotcha when using it from within Controllers. If you directly bind to $rootScope.$on() from within a controller, you'll have to clean up the binding yourself when your local $scope gets destroyed. This is because control...
Object comparison in JavaScript [duplicate]
...dexOf(y) > -1) {
return false;
}
// Quick checking of one object being a subset of another.
// todo: cache the structure of arguments[0] for performance
for (p in y) {
if (y.hasOwnProperty(p) !== x.hasOwnProperty(p)) {
return false;
}
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Get type of a generic parameter in Java with reflection
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One construct, I once stumbled upon looked like
Class<T> persistentClass = (Class<T>)
((ParameterizedType)getClass().getGenericSuperclass())
.getActualTypeArguments()[0];
So there seems to be some refl...
How to assign name for a screen? [closed]
... as it focuses on renaming the existing session rather than creating a new one.
– thanos.a
May 8 '15 at 7:36
4
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Adding a simple UIAlertView
What is some starter code I could use to make a simple UIAlertView with one "OK" button on it?
10 Answers
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How to set background color of an Activity to white programmatically?
...answer works; but it is still not completely programmatic as per the questioner. I would suggest Arunkumar's answer below.
– KVISH
May 22 '15 at 3:29
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Or versus OrElse
... be compared to zero, so it falls over.
You should use... well, whichever one makes sense.
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How do I check if an integer is even or odd? [closed]
...d is odd\n", x);
return 0;
}
I then compiled these with gcc 4.1.3 on one of my machines 5 different times:
With no optimization flags.
With -O
With -Os
With -O2
With -O3
I examined the assembly output of each compile (using gcc -S) and found that in each case, the output for and.c and modu...
How do you add a Dictionary of items into another Dictionary
Arrays in Swift support the += operator to add the contents of one Array to another. Is there an easy way to do that for a dictionary?
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