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What is the default access specifier in Java?

... It depends on what the thing is. Top-level types (that is, classes, enums, interfaces, and annotation types not declared inside another type) are package-private by default. (JLS §6.6.1) In classes, all members (that means fields, metho...
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Filter Java Stream to 1 and only 1 element

...olves peek() and an AtomicInteger, but really you shouldn't be using that. What you could do istead is just collecting it in a List, like this: LinkedList<User> users = new LinkedList<>(); users.add(new User(1, "User1")); users.add(new User(2, "User2")); users.add(new User(3, "User3")); ...
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?

What is meant by nvarchar ? 12 Answers 12 ...
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Does have to be in the of an HTML document?

...author portion of the spec, I consider body styles to be valid. github.com/whatwg/html/issues/1605#issuecomment-235961103 – WraithKenny Nov 29 '17 at 22:19 add a comment ...
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What is the runtime performance cost of a Docker container?

.... frankly, I find them hard to believe (not that I disbelieve that they're what linpack emitted, but that I disbelieve that the test was genuinely measuring nothing but floating-point performance as performed). The major overhead from KVM is in the userspace hardware emulation components (which only...
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

... @Daniel: I'm not sure what you're trying to say. It sounds like you are suggesting its okay to overload the operators because its only the users of your class that might get it wrong, and if you aren't writing in straight C++ it doesn't matter. N...
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What is “2's Complement”?

...e circuits to add and subtract using sign magnitude will be very complex. What is 0010 1001 + ---- ? Another system is excess notation. You can store negative numbers, you get rid of the two zeros problem but addition and subtraction remains difficult. So along comes two's complement. Now you...
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Syntax of for-loop in SQL Server

What is the syntax of a for loop in TSQL? 9 Answers 9 ...
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What is the purpose of AsQueryable()?

...ueryable<T> derives from IEnumerable<T> can you please explain what you mean by "non-enumerable based IQueryable"? – Dai Sep 25 '16 at 16:50 2 ...
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How do I check what version of Python is running my script?

How can I check what version of the Python Interpreter is interpreting my script? 21 Answers ...