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What are free monads?
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foldFree :: Functor f => (f r -> r) -> Free f r -> r
foldFree _ (Pure a) = a
foldFree f (Roll x) = f (fmap (foldFree f) x)
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How to print a number with commas as thousands separators in JavaScript
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Which are more performant, CTE or temporary tables?
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gbngbn
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How do I use the new computeIfAbsent function?
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HolgerHolger
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Using Linq to group a list of objects into a new grouped list of list of objects
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P.Brian.Mackey
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answered Apr 23 '10 at 8:50
Jon SkeetJon Skeet
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Creating a “logical exclusive or” operator in Java
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javashlookjavashlook
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Contains method for a slice
...st, but is trivial to write:
func contains(s []int, e int) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}
You can use a map if that lookup is an important part of your code, but maps have cost too.
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How can I determine installed SQL Server instances and their versions?
...be expected?
– Matt
Sep 27 '08 at 9:32
I LOVE it when it is SIMPLE and STRAIGHT. I was struggling to find the right se...
List vs List
...ype of List<Object>? - see, for example, stackoverflow.com/questions/3246137/…
– Tom Hawtin - tackline
Mar 21 '12 at 18:29
2
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How to remove not null constraint in sql server using query
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or you can do : alter table table_name modify column_name type(30) NULL. 30 being the size of your column type, example: varchar(30)
– nr5
Sep 19 '12 at 18:11
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