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Abstraction VS Information Hiding VS Encapsulation
Can you tell me what is the difference between abstraction and information hiding in software development?
22 Answers
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Does the Java &= operator apply & or &&?
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From the Java Language Specification - 15.26.2 Compound Assignment Operators.
A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is evaluated only once.
So a &= b; is equivalent to a = a & b;.
(In...
Why doesn't Java offer operator overloading?
... to Java, the obvious unanswered question is why didn't Java include operator overloading?
16 Answers
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Differences between lodash and underscore [closed]
Why would someone prefer either the lodash.js or underscore.js utility library over the other?
12 Answers
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Difference between Covariance & Contra-variance
...s of a mapping function that associates one member of a set with another. More specifically, a mapping can be covariant or contravariant with respect to a relation on that set.
Consider the following two subsets of the set of all C# types. First:
{ Animal,
Tiger,
Fruit,
Banana }.
And se...
linux: kill background task
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There's a special variable for this in bash:
kill $!
$! expands to the PID of the last process executed in the background.
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Split string into an array in Bash
In a Bash script I would like to split a line into pieces and store them in an array.
22 Answers
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Difference between final and effectively final
...warning local variables referenced from a lambda expression must be final or effectively final . I know that when I use variables inside anonymous class they must be final in outer class, but still - what is the difference between final and effectively final ?
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MySQL connection not working: 2002 No such file or directory
I'm trying to set up WordPress. I have Apache and MySQL running, and the accounts and database are all set up. I tried to make a simple connection:
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Do you put unit tests in same project or another project?
Do you put unit tests in the same project for convenience or do you put them in a separate assembly?
15 Answers
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