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Is there a reason that we cannot iterate on “reverse Range” in ruby?
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100
A range is just that: something defined by its start and end, not by its contents. "Iterating" ...
C++0x lambda capture by value always const?
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answered May 14 '10 at 16:06
Edward StrangeEdward Strange
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How do I test if a variable is a number in Bash?
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One approach is to use a regular expression, like so:
re='^[0-9]+$'
if ! [[ $yournumber =~ $re ]] ; then
echo "error: Not a number" >&2; exit 1
fi
If the value is not necessarily an integer, consider amending the regex appropriately; for instance:
^[0-9]+([.][0-9]+)?$
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Java 8 stream reverse order
...ect[] temp = input.toArray();
return (Stream<T>) IntStream.range(0, temp.length)
.mapToObj(i -> temp[temp.length - i - 1]);
}
Another technique uses collectors to accumulate the items into a reversed list. This does lots of insertions at the front of Ar...
How to replace a character with a newline in Emacs?
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answered Mar 4 '09 at 23:52
Jonathan ArkellJonathan Arkell
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Where is shared_ptr?
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edited Mar 9 '12 at 3:01
answered May 27 '10 at 3:09
Ja...
Append an element with fade in effect [jQuery]
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$(html).hide().appendTo("#mycontent").fadeIn(1000);
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Difference between Visibility.Collapsed and Visibility.Hidden
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answered May 20 '09 at 8:21
RazzieRazzie
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jQuery selector for the label of a checkbox
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answered Jul 27 '09 at 4:23
KipKip
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