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How do I measure time elapsed in Java? [duplicate]
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Unfortunately, none of the ten answers posted so far are quite right.
If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The purpose of nanoTime...
Get current date/time in seconds
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edited Feb 6 '14 at 9:28
Svetlin Zarev
8,71433 gold badges3939 silver badges6767 bronze badges
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Asynchronous method call in Python?
...ondering if there's any library for asynchronous method calls in Python . It would be great if you could do something like
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Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
...and read a few articles about how CORS works. First, I did this (code is written in CoffeeScript syntax):
32 Answers
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How to add a vertical Separator?
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edited Nov 16 '14 at 15:22
Chnossos
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Nested fragments disappear during transition animation
Here's the scenario: Activity contains fragment A , which in turn uses getChildFragmentManager() to add fragments A1 and A2 in its onCreate like so:
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Static constant string (class member)
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You have to define your static member outside the class definition and provide the initializer there.
First
// In a header file (if it is in a header file in your case)
class A {
private:
static const string RECTANGLE;
};
and then
// In one of the implementation files
c...
How to return a value from __init__ in Python?
I have a class with an __init__ function.
10 Answers
10
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UICollectionView reloadData not functioning properly in iOS 7
...t the reloadData method of a UICollectionViewController isn't acting quite how it used to.
17 Answers
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What is the use of “assert” in Python?
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The assert statement exists in almost every programming language. It helps detect problems early in your program, where the cause is clear, rather than later as a side-effect of some other operation.
When you do...
assert condition
... you're telling the program to test that condition, ...