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Count(*) vs Count(1) - SQL Server
Just wondering if any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past?
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How to split csv whose columns may contain ,
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Use the Microsoft.VisualBasic.FileIO.TextFieldParser class. This will handle parsing a delimit...
std::vector performance regression when enabling C++11
...nteresting performance regression in a small C++ snippet, when I enable C++11:
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Efficiency of Java “Double Brace Initialization”?
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How to get everything after last slash in a URL?
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How is this fibonacci-function memoized?
...is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
That is what that trick, "going-through-a-list", is exploiting. In normal doubly-recursve Fibonacci def...
Java 8 stream reverse order
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For the specific question of generating a reverse IntStream, try something like this:
static In...
Converting a List to a comma separated string
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List<int> list = ...;
string.Join(",", list.Select(n => n.ToString()).ToArray())
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