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Some built-in to pad a list in python
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a += [''] * (N - len(a))
or if you don't want to change a in place
new_a = a + [''] * (N - len(a))
you can always create a subclass of list and call the method whatever you please
class MyList(list):
def ljust(self, n, fillvalue=''):
ret...
Find difference between timestamps in seconds in PostgreSQL
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@Igor It is not very clear but now that you say it I think you are probably right.
– Clodoaldo Neto
Dec 24 '12 at 12:54
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Python - abs vs fabs
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math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs() also works with integers and complex numbers. Its return type depends on the t...
How to get orientation-dependent height and width of the screen?
...imple call [UIApplication currentSize]. Also, I ran the above code, so I know it works and reports back the correct responses in all orientations. Note that I factor in the status bar. Interestingly I had to subtract the MIN of the status bar's height and width.
Hope this helps. :D
Other thoug...
How to add an extra column to a NumPy array
... @Ay0 Exactly, I was looking for a way to add a bias unit to my artificial neuronal network in batch on all layers at once, and this is the perfect answer.
– gaborous
Aug 18 '16 at 15:07
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iPhone Keyboard Covers UITextField
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This official solution is now wrapped in a control see here:- stackoverflow.com/a/17707094/1582217
– Mohd Iftekhar Qurashi
Apr 10 '14 at 19:03
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wget/curl large file from google drive
... This one worked in July 2018! Remember to share the file and if you have the link as drive.google.com/open?id=FILE_ID just replace "open" with "uc" and simply gdown drive.google.com/uc?id=FILE_ID
– simo23
Jul 25 '18 at 15:18
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What does -D_XOPEN_SOURCE do/mean?
...le without this arg. I checked the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does.
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Using mixins vs components for code reuse in Facebook React
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Update: this answer is outdated. Stay away from the mixins if you can.
I warned you!
Mixins Are Dead. Long Live Composition
At first, I tried to use subcomponents for this and extract FormWidget and InputWidget. However, I abandoned this approach halfway because I wanted a be...
How do I remove duplicate items from an array in Perl?
...filtered = uniq(@array);
print "@filtered\n";
Outputs:
one two three
If you want to use a module, try the uniq function from List::MoreUtils
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