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What's the @ in front of a string in C#?
...is feature?
– Arun
Jun 28 '14 at 14:32
25
@Arun It's really useful when dealing with strings cont...
How can I get a list of all classes within current module in Python?
...
Try this:
import sys
current_module = sys.modules[__name__]
In your context:
import sys, inspect
def print_classes():
for name, obj in inspect.getmembers(sys.modules[__name__]):
if inspect.isclass(obj):
print(obj)
And even b...
Phone: numeric keyboard for text input
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answered Jul 24 '15 at 20:32
Aaron GrayAaron Gray
9,52366 gold badges4949 silver badges5757 bronze badges
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How can I read a function's signature including default argument values?
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@darth_coder: In Python2, getargspec raises TypeError if the input is not recognized as a Python function -- that is, a function implemented in Python. In CPython, Exception.__init__ is implemented in C, hence the TypeError. You'll...
Pass a parameter to a fixture function
...ata during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
...
Finding the index of an item in a list
...atch, you can give index a hint. For instance, in this snippet, l.index(999_999, 999_990, 1_000_000) is roughly five orders of magnitude faster than straight l.index(999_999), because the former only has to search 10 entries, while the latter searches a million:
>>> import timeit
>>&g...
How can I add timestamp to logs using Node.js library Winston?
I want to add timestamp to logs. What is the best way to achieve this?
9 Answers
9
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Multiple constructors in python? [duplicate]
...ctors. However, you can define a default value if one is not passed.
def __init__(self, city="Berlin"):
self.city = city
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Convert to binary and keep leading zeros in Python
...0b')", "v = 14; f_ = format") # use a local for performance
0.40298633499332936
>>> timeit.timeit("f'{v:#010b}'", "v = 14")
0.2850222919951193
But I'd use that only if performance in a tight loop matters, as format(...) communicates the intent better.
If you did not want the 0b prefix, ...
Sass Variable in CSS calc() function
...0
samsam
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