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Polymorphism vs Overriding vs Overloading
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The clearest way to express polymorphism is via an abstract base class (or interface)
public abstract class Human{
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public abstract void goPee();
}
This class is abstract because the goPee() method is not definable for Humans. It is only definable f...
Java 8 Streams - collect vs reduce
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reduce is a "fold" operation, it applies a binary operator to each element in the stream where the first argument to the operator is the return value of the previous application and the second argument is the current stream element....
Why is my Git Submodule HEAD detached from master?
...T:
See @Simba Answer for valid solution
submodule.<name>.update is what you want to change, see the docs - default checkout
submodule.<name>.branch specify remote branch to be tracked - default master
OLD ANSWER:
Personally I hate answers here which direct to external link...
Authentication versus Authorization
... "auth" a lot. Does it stand for auth -entication or auth -orization? Or is it both?
11 Answers
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What is the difference between encrypting and signing in asymmetric encryption?
What is the difference between encrypting some data vs signing some data (using RSA)?
11 Answers
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What is normalized UTF-8 all about?
... or rendering engine.
When To Use
Because the results appear identical, it is always safe to apply canonical normalization to a string before storing or displaying it, as long as you can tolerate the result not being bit for bit identical to the input.
Canonical normalization comes in 2 forms: NFD a...
Why is “import *” bad?
It is recommended to not to use import * in Python.
12 Answers
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What is HTML5 ARIA?
What is HTML5 ARIA? I do not understand how to implement it.
5 Answers
5
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What is managed or unmanaged code in programming?
...m using a specific command in in my C# code, which works well. However, it is said to misbehave in "unmanaged" code.
13 Ans...
What is the (function() { } )() construct in JavaScript?
I used to know what this meant, but I'm struggling now...
27 Answers
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