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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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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...
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 default access specifier in Java?
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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...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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@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...
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
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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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How to send objects through bundle
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Figuring out what path to take requires answering not only CommonsWare's key question of "why" but also the question of "to what?" are you passing it.
The reality is that the only thing that can go through bundles is plain data - everyth...
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...