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What is the difference between '&' and ',' in Java generics?
While reading the Java official tutorial about generics, I found that you can restrict the type argument (in this case is T ) to extend a class and/or more interfaces with the 'and' operator ( & ) like this:
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What method in the String class returns only the first N characters?
I'd like to write an extension method to the String class so that if the input string to is longer than the provided length N , only the first N characters are to be displayed.
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Difference between outline and border
Does anybody know of any difference between 'border' and 'outline' properties in CSS? If there is no difference, then why are there two properties for the same thing?
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How to state in requirements.txt a direct github source
I've installed a library using the command
7 Answers
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How can I extend typed Arrays in Swift?
How can I extend Swift's Array<T> or T[] type with custom functional utils?
10 Answers
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How to format all Java files in an Eclipse project at one time?
I have an old Eclipse project and the code is not well formatted. I'd like to format all the .java files according to the settings in Eclipse. I don't want to edit every individual file with Ctrl + Shift + F . Is there a way to format all my files? Perhaps an Eclipse plugin?
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What is the purpose of the -m switch?
Could you explain to me what the difference is between calling
3 Answers
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Label Alignment in iOS 6 - UITextAlignment deprecated
Seems like UITextAlignmentCenter is deprecated in iOS 6.
11 Answers
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
I've already read the question and answers to What design decisions would favour Scala's Actors instead of JMS? .
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In Python how should I test if a variable is None, True or False
I have a function that can return one of three things:
6 Answers
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