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How to generate random number in Bash?
...414 I'm curious to "marginally", do you have a source where I can find out more about this?
– PascalVKooten
May 26 '14 at 6:27
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How to update a value, given a key in a hashmap?
...e hows its the most robust and scalable. An atomicinteger instead is much more scalable.
– John Vint
Nov 11 '10 at 19:33
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How to get existing fragments when using FragmentPagerAdapter
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Creating a div element in jQuery [duplicate]
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2003
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How do I add a placeholder on a CharField in Django?
... widget=forms.TextInput(attrs={'placeholder': 'Search'}))
More writing, yes, but the separation allows for better abstraction of more complicated cases.
You can also declare a widgets attribute containing a <field name> => <widget instance> mapping directly on the Me...
Convert two lists into a dictionary
...eated. I would expect all of them to be less performant, and certainly not more-so.
Performance review:
In 64 bit Python 3.8.2 provided by Nix, on Ubuntu 16.04, ordered from fastest to slowest:
>>> min(timeit.repeat(lambda: dict(zip(keys, values))))
0.6695233230129816
>>> min(ti...
How to delete .orig files after merge from git repository?
...isplayed in modified and un-tracked sector. But I don't want this files anymore in my repository. How to do that.
9 Answers...
Under what circumstances are linked lists useful?
... lists in an array" approach in case of the Dictionary saves significantly more in .NET: otherwise each node would require a separate object on the heap - and every object allocated on the heap have some overhead. (en.csharp-online.net/Common_Type_System%E2%80%94Object_Layout)
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RE error: illegal byte sequence on Mac OS X
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The problem is that the input file's encoding does not match the shell's.
More specifically, the input file contains characters encoded in a way that is not valid in UTF-8 (as @Klas Lindbäck stated in a comment) - that's what the sed error message is trying to say by invalid byte sequence.
Most l...