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Explain the use of a bit vector for determining if all characters are unique
...he same reason instead of int. There are two differences between them:
Size. int has fixed size, usually 4 bytes which means 8*4=32 bits (flags). Bit vector usually can be of different size or you should specify the size in constructor.
API. With bit vectors you will have easier to read code, prob...
Check if string matches pattern
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import re
pattern = re.compile("^([A-Z][0-9]+)+$")
pattern.match(string)
Edit: As noted in the comments match checks only for matches at the beginning of the string while re.search() will match a pattern anywhere in string. (See also: https://docs.python.org/l...
How do I get the name of a Ruby class?
... edited Aug 7 '19 at 14:26
Hans Z
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answered May 5 '09 at 18:15
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jQuery - If element has class do this
...edler
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How to change a PG column to NULLABLE TRUE?
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Bash: Strip trailing linebreak from output
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Navigation drawer - disable swipe
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Step out of current function with GDB
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answered Jul 12 '14 at 12:03
rjerje
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Why can't I forward-declare a class in a namespace using double colons?
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Using :before CSS pseudo element to add image to modal
I have a CSS class Modal which is absolutely positioned, z-indexed above it's parent, and nicely positioned with JQuery. I want to add a caret image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly.
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