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Regular expression to allow spaces between words
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384
tl;dr
Just add a space in your character class.
^[a-zA-Z0-9_ ]*$
Now, if you want to...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Apr 5 '12 at 8:20
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How to use int.TryParse with nullable int? [duplicate]
... :)
– Shakti Prakash Singh
Jun 14 '13 at 12:33
5
@ShaktiPrakashSingh: We don't know whether strVa...
How do I see what character set a MySQL database / table / column is?
...me
– Robin Winslow
Jun 7 '11 at 18:03
14
This answer was very helpful, but if you want to trouble...
How can I count the occurrences of a list item?
...you only want one item's count, use the count method:
>>> [1, 2, 3, 4, 1, 4, 1].count(1)
3
Don't use this if you want to count multiple items. Calling count in a loop requires a separate pass over the list for every count call, which can be catastrophic for performance. If you want to co...
adding multiple entries to a HashMap at once in one statement
...Integer>()
{{
put("One", 1);
put("Two", 2);
put("Three", 3);
}};
As a piece of warning, please refer to the thread Efficiency of Java “Double Brace Initialization" for the performance implications that it might have.
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Comparing date part only without comparing time in JavaScript
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803
I'm still learning JavaScript, and the only way that I've found which works for me to compare tw...
How can I maximize a split window?
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answered Oct 20 '11 at 3:42
RookRook
53.1k4343 gold badges154154 silver badges229229 bronze badges
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How can I use map and receive an index as well in Scala?
...ipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
List...