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How does HashSet compare elements for equality?
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answered Jan 21 '12 at 9:43
Jon SkeetJon Skeet
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What is a sealed trait?
...t; x match {
| case No => println("No")
| }
<console>:12: warning: match is not exhaustive!
missing combination Yes
So you should use sealed traits (or sealed abstract class) if the number of possible subtypes is finite and known in advance. For more examples you ca...
How can I use map and receive an index as well in Scala?
...op/map/whatever.
– ziggystar
Mar 2 '12 at 16:46
For example comparing to a while loop, which is probably among the fas...
What is the zero for string?
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answered Oct 3 '12 at 6:51
Denys SéguretDenys Séguret
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Rounding BigDecimal to *always* have two decimal places
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Louis WassermanLouis Wasserman
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Disable a Maven plugin defined in a parent POM
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answered Oct 19 '11 at 12:39
bmarguliesbmargulies
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
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You probably have an anonymous user ''@'localhost' or ''@'127.0.0.1'.
As per the manual:
When multiple matches are possible, the server must determine which of
them to use. It resolves this issue as follows: (...)
When a client attempts to connect, the server looks th...
How to trim leading and trailing white spaces of a string?
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fmt.Printf("%d %q\n", len(t), t)
}
Output:
16 "\t Hello, World\n "
12 "Hello, World"
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Adjusting Eclipse console size
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0xCursor
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answered Apr 8 '10 at 14:29
MelMel
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How to set std::tuple element by index?
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127
std::get returns a reference to the value. So you set the value like this:
std::get<0>(...