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Changing default encoding of Python?
...on ASCII being the default (this code can be third-party, which would generally make fixing it impossible or dangerous).
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Python Progress Bar
...can ignore it by using warnings.simplefilter("ignore"), but it will ignore all warnings in your code after that.
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NSAttributedString add text alignment
...paragraphRef};
NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:@"Hello World" attributes:attributes];
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Explicitly select items from a list or tuple
... myBigList[i] for i in [87, 342, 217, 998, 500] ]
20.6 usec: map(myBigList.__getitem__, (87, 342, 217, 998, 500))
22.7 usec: itemgetter(87, 342, 217, 998, 500)(myBigList)
24.6 usec: list( myBigList[i] for i in [87, 342, 217, 998, 500] )
Note that in Python 3, the 1st was changed to be the same as ...
How to get result of console.trace() as string in javascript with chrome or firefox?
...don't define names for functions and I also can not get their names with callee.caller.name .
6 Answers
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Python argparse: Make at least one argument required
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args = vars(parser.parse_args())
if not any(args.values()):
parser.error('No arguments provided.')
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
surface plots in matplotlib
...esenting a set of points in 3D space. I want to plot a surface that covers all these points.
8 Answers
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Using pg_dump to only get insert statements from one table within database
I'm looking for a way to get all rows as INSERT statements from one specific table within a database using pg_dump in PostgreSQL.
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How to read a file in reverse order?
...A correct, efficient answer written as a generator.
import os
def reverse_readline(filename, buf_size=8192):
"""A generator that returns the lines of a file in reverse order"""
with open(filename) as fh:
segment = None
offset = 0
fh.seek(0, os.SEEK_END)
file...