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Can hash tables really be O(1)?
...ash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
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rails - Devise - Handling - devise_error_messages
... when you're using devise it's already doing the validations you have mentioned without any extra code. Above solution is only to override default devise behavior. You have to have devise working in the first place. Are you sure if you have followed instructions to integrate devise with your project...
How to iterate over rows in a DataFrame in Pandas
... the question) but does not mention this anywhere, so it isn't a very good one.
– cs95
May 28 '19 at 5:00
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Capitalize words in string [duplicate]
...lect it as the answer if the explanation be inside it and not as a comment one could miss.
– vsync
Jul 22 '16 at 17:10
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Git push requires username and password
I cloned a Git repository from my GitHub account to my PC.
24 Answers
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How to invoke the super constructor in Python?
...ges I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work.
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How to merge a transparent png image with another image using PIL
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I just used paste() to overlay one semi-transparent image on another, with PIL, and it worked as I expected. In what way doesn't it work as you expected?
– Peter Hansen
Jul 25 '13 at 17:27
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What are the implications of using “!important” in CSS? [duplicate]
...t's never okay to use though.
What's wrong with !important:
Specificity is one of the main forces at work when the browser decides how CSS affects the page. The more specific a selector is, the more importance is added to it. This usually coincides with how often the selected element occurs. For exa...
Get class that defined method
... if meth.__name__ in cls.__dict__:
return cls
return None
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Write a program to find 100 largest numbers out of an array of 1 billion numbers
...mstances it's safe to consider k constant and small compared to n. Though, one should always keep in mind this "normal circumstances".
– ffriend
Oct 7 '13 at 16:05
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