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Why is it not possible to extend annotations in Java?
I don't understand why there is no inheritance in Java annotations, just as Java classes. I think it would be very useful.
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What is the “continue” keyword and how does it work in Java?
I saw this keyword for the first time and I was wondering if someone could explain to me what it does.
13 Answers
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Github Windows 'Failed to sync this branch'
I am using Github Windows 1.0.38.1 and when I click the 'Sync' button after committing, I get the error
17 Answers
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Why doesn't Java allow overriding of static methods?
...nce of a class. The point of polymorphism is that you can subclass a class and the objects implementing those subclasses will have different behaviors for the same methods defined in the superclass (and overridden in the subclasses). A static method is not associated with any instance of a class so ...
What does Java option -Xmx stand for? [duplicate]
...B. The upper limit for this value will be approximately 4000m on Solaris 7 and Solaris 8 SPARC platforms and 2000m on Solaris 2.6 and x86 platforms, minus overhead amounts. Examples:
-Xmx83886080
-Xmx81920k
-Xmx80m
So, in simple words, you are setting Java heap m...
How to find patterns across multiple lines using grep?
I want to find files that have "abc" AND "efg" in that order, and those two strings are on different lines in that file. Eg: a file with content:
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Git Server Like GitHub? [closed]
... time Subversion user that is going to try Git. I have read some about it and understand the distributed nature - I can see a lot of the benefits.
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How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...anyone who uses the .ebextensions/*.config way: nowadays you can add, edit and remove environment variables in the Elastic Beanstalk web interface.
The variables are under Configuration → Software Configuration:
Creating the vars in .ebextensions like in Onema's answer still works.
It can eve...
Mathematical functions in Swift
...an import only Darwin.
import Darwin
If you want mathematical functions and other standard classes and functions. You can import Foundation.
import Foundation
If you want everything and also classes for user interface, it depends if your playground is for OS X or iOS.
For OS X, you need impor...
What to use as an initial version? [closed]
...ersion 1.0.0. As soon as I have some stuff together, I release it as 1.0.0 and move on with 1.1.0.
12 Answers
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