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Clone() vs Copy constructor- which is recommended in java [duplicate]
...o
f.set(foo.get());
return f;
}
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http://adtmag.com/articles/2000/01/18/effective-javaeffective-cloning.aspx
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What is the difference between dynamic and static polymorphism in Java?
...ulation obj=new Calculation();
obj.sum(10,10,10); // 30
obj.sum(20,20); //40
}
}
overriding example:
class Animal {
public void move(){
System.out.println("Animals can move");
}
}
class Dog extends Animal {
public void move() {
System.out.println("...
What are the pros and cons of the leading Java HTML parsers? [closed]
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edited Jun 20 at 9:12
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answered Jul 1 '10 at 0:00
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How to properly seed random number generator
...n expect. I see increments of about 1000000 ns, so 1 ms increments. That's 20 bits of entropy that are not used. All the while the high bits are mostly constant!? Roughly ~24 bits of entropy over a day which is very brute forceable (which can create vulnerabilities).
The degree that this matters to ...
Maven2 property that indicates the parent directory
...s to null.
– Jared
Aug 29 '12 at 16:20
22
I've had success with ${project.basedir}/.. but that re...
Animate change of view background color on Android
...n. Any ideas?
– hpique
Jul 9 '10 at 20:36
6
Solved it by starting the TransitionDrawable AFTER st...
What is the purpose of the single underscore “_” variable in Python?
... gettext.gettext
# ...
print(_('This is a translatable string.'))
2019 update: Added lambda. For a long time this answer only listed three use cases, but the lambda case came up often enough, as noted here, to be worth listing explicitly
2020 update: Added lint. Surprised nobody has highlig...
When should one use a spinlock instead of mutex?
...aste of time.
– Mecki
Apr 10 '14 at 20:32
3
If you want to learn more about spinlocks and mutexes...
In MySQL, can I copy one row to insert into the same table?
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answered Sep 20 '12 at 8:59
Grim...Grim...
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Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...in which order.
– MHC
Feb 10 '11 at 20:01
shouldn't step 3 where you mention "If the return is YES, it sends hitTest:w...