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How to convert list of tuples to multiple lists?

... answered Nov 10 '11 at 15:03 Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges ...
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Check folder size in Bash

...arent sizes, rather than disk usage; although the apparent size is usually smaller, it may be larger due to holes in ('sparse') files, internal fragmentation, indirect blocks, and the like And of course theres no need for -h (Human readable) option inside a script. Instead You can use ...
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Is there a recommended format for multi-line imports?

... Personally I go with parentheses when importing more than one component and sort them alphabetically. Like so: from Tkinter import ( Button, Canvas, DISABLED, END, Entry, Frame, LEFT, NORMAL, RI...
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Why is it slower to iterate over a small string than a small list?

...nd with timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time. ...
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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar

... title of previous screen) UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back_arrow.png"] style:UIBarButtonItemStyleBordered targe...
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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... the length of the array for a function, n can have the value zero on a call to that function. Unless explicitly stated otherwise in the description of a particular function in this subclause, pointer arguments on such a call shall still have valid values, as described in 7.1.4. On such a call...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

... in the branch prediction table moving the branch eliminated the alias and allowed the branch to be predicted correctly Your Core2 doesn't keep a separate history record for each conditional jump. Instead it keeps a shared history of all conditional jumps. One disadvantage of global branch predic...
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How to forward declare a template class in namespace std?

...rs. Of course, I know that there are more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it? ...
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How to base64 encode image in linux bash / shell

... David JashiDavid Jashi 4,25011 gold badge1818 silver badges2626 bronze badges ...
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How do I pass extra arguments to a Python decorator?

... 11 And using functools.wraps is advisable -- it retains the original name, docstring, etc. of the wrapped function. – AK...