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Hidden features of Scala
...al regex = "(\\d+)/(\\d+)/(\\d+)".r
val regex(year, month, day) = "2010/1/13"
The second line looks confusing if you're not used to using pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why t...
How to switch position of two items in a Python list?
... Tiago Martins Peres 李大仁
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answered Mar 22 '10 at 16:31
samtregarsamtregar
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Choice between vector::resize() and vector::reserve()
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edited Mar 30 '16 at 18:18
Community♦
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answered Sep 13 '11 at 6:49
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How do I change column default value in PostgreSQL?
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Silver LightSilver Light
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Scala: join an iterable of strings
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432
How about mkString ?
theStrings.mkString(",")
A variant exists in which you can specify a pr...
Is there a difference between single and double quotes in Java?
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Luiggi Mendoza
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answered Jan 13 '09 at 15:54
Yuval AdamYuval Adam
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How to remove all whitespace from a string?
So " xx yy 11 22 33 " will become "xxyy112233" . How can I achieve this?
9 Answers
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Precedence and bitmask operations
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answered Feb 23 '14 at 22:13
MatthewMatthew
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Php multiple delimiters in explode
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SergeSSergeS
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How is the “greater than” or “>” character used in CSS?
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It's a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags th...
