What are non-word boundary in regex (\B), compared to word-boundary?

A word boundary (\b) is a zero width match that can match: Between a word character (\w) and a non-word character (\W) or Between a word character and the start or end of the string. In Javascript the definition of \w is [A-Za-z0-9_] and \W is anything else. The negated version of \b, written \B, … Read more

Python: why does `random.randint(a, b)` return a range inclusive of `b`?

I tried to get to the bottom of this by examining some old sources. I suspected that randint was implemented before Python’s long integer: meaning that if you wanted a random number that included INT_MAX, you would have needed to call random.randrange(0, INT_MAX + 1) which would have overflowed and resulted in arguments of (0, … Read more

How to check if an element is overlapping other elements? [duplicate]

Something like this for rect1 and rect2 retrieved via getBoundingClientRect(): var overlap = !(rect1.right < rect2.left || rect1.left > rect2.right || rect1.bottom < rect2.top || rect1.top > rect2.bottom) Explain: if one or more expressions in the parenthese are true, there’s no overlapping. If all are false, there must be an overlapping.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)