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Is there a generic constructor with parameter constraint in C#?
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@bc3tech, technically, your point is not 100% correct. If a base class has no default constructor, you are forced to provide a constructor that calls one of the base class constructors. You are not forced to provide a matching constructor. There is a subtle diffe...
How to get the index of an element in an IEnumerable?
...Scott Dorman
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Oracle “Partition By” Keyword
...eturn every record in the emp table.)
emp_no dept_no DEPT_COUNT
1 10 3
2 10 3
3 10 3 <- three because there are three "dept_no = 10" records
4 20 2
5 20 2 <- two because there are two "dept_no = 20" records
If there was another c...
Add Variables to Tuple
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edited Dec 16 '19 at 10:31
John R Perry
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answ...
What Automatic Resource Management alternatives exist for Scala?
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For now Scala 2.13 has finally supported: try with resources by using Using :), Example:
val l...
Why is a combiner needed for reduce method that converts type in java 8
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Stuart MarksStuart Marks
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Should I always return IEnumerable instead of IList?
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edited Dec 10 '12 at 8:31
answered Jul 2 '09 at 5:29
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Creating an empty list in Python
...how you can test which piece of code is faster:
% python -mtimeit "l=[]"
10000000 loops, best of 3: 0.0711 usec per loop
% python -mtimeit "l=list()"
1000000 loops, best of 3: 0.297 usec per loop
However, in practice, this initialization is most likely an extremely small part of your program, ...
Why not inherit from List?
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@Mehrdad: Honestly, if your application requires that you care about the performance burden of, say, virtual methods, then any modern lang...
Providing a default value for an Optional in Swift?
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MirekEMirekE
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add a...