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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...
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
29.3k1111 gold badges5959 silver badges7272 bronze badges
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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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Can I draw rectangle in XML?
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230
Yes you can and here is one I made earlier:
<?xml version="1.0" encoding="UTF-8"?>
<sh...
Set Viewbag before Redirect
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edited Jun 13 '18 at 20:49
user9934620
answered Jan 24 '13 at 9:23
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Default value for field in Django model
...e/ref/models/fields/#editable
b = models.CharField(max_length=7, default='0000000', editable=False)
Also, your id field is unnecessary. Django will add it automatically.
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