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What is the formal difference in Scala between braces and parentheses, and when should they be used?
...tement // not optional here
var x = 0 // declaration
while (x < 10) { x += 1 } // stuff
(x % 5) + 1 // expression
}
( expression )
So, if you need declarations, multiple statements, an import or anything like that, you need curly braces. And because an expression is a statement, par...
Mysql - How to quit/exit from stored procedure
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piotrmpiotrm
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What is the difference between .text, .value, and .value2?
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why the date changed from 10:12 to 10:05? typo?
– Katrin
Mar 26 '18 at 4:04
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Rails 3 check if attribute changed
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Peter BrownPeter Brown
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Does R have an assert statement as in python?
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cbare
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answered Feb 10 '10 at 0:38
HarlanHarlan
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java: ArrayList - how can i check if an index exists?
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edited May 19 '18 at 8:10
Naveed Ahmad
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answere...
Finding the index of an item in a list
...ster than straight l.index(999_999), because the former only has to search 10 entries, while the latter searches a million:
>>> import timeit
>>> timeit.timeit('l.index(999_999)', setup='l = list(range(0, 1_000_000))', number=1000)
9.356267921015387
>>> timeit.timeit('l.in...
jQuery - If element has class do this
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answered Dec 30 '10 at 18:16
Ken RedlerKen Redler
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How to determine if a process runs inside lxc/Docker?
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tshepang
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answered Nov 15 '13 at 23:36
jpetazzojpet...
How to create a loop in bash that is waiting for a webserver to respond?
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The use of backticks ` ` is outdated. Use $( ) instead.
– Serge Stroobandt
Apr 18 '14 at 15:37
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