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How to print a linebreak in a python function?
I have a list of strings in my code;
8 Answers
8
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How do I check if a string is a number (float)?
...e best possible way to check if a string can be represented as a number in Python?
33 Answers
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Convert UTC datetime string to local datetime
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If you don't want to provide your own tzinfo objects, check out the python-dateutil library. It provides tzinfo implementations on top of a zoneinfo (Olson) database such that you can refer to time zone rules by a somewhat canonical name.
from datetime import datetime
from dateutil import t...
Difference between two dates in Python
...imedelta object and the documentation makes not mention of it either (docs.python.org/2/library/datetime.html).
– user1761806
Jun 26 '17 at 10:46
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Check if multiple strings exist in another string
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any() takes an iterable. I am not sure which version of Python you are using but in 2.6 you will need to put [] around your argument to any(). any([x in str for x in a]) so that the comprehension returns an iterable. But maybe later versions of Python already do this.
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How do I get a list of column names from a psycopg2 cursor?
...umn labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature.
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TypeError: method() takes 1 positional argument but 2 were given
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In Python, this:
my_object.method("foo")
...is syntactic sugar, which the interpreter translates behind the scenes into:
MyClass.method(my_object, "foo")
...which, as you can see, does indeed have two arguments - it's just...
In Python how should I test if a variable is None, True or False
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Agreed. Much more pythonic than the evidently more popular solution above (which smells too much like C code).
– Brandon
Jan 7 '10 at 13:53
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What are some (concrete) use-cases for metaclasses?
...ling to actually change these values. Maybe David Beazley can.
Anyway, in Python 3, metaclasses also have the __prepare__ method, which lets you evaluate the class body into a mapping other than a dict, thus supporting ordered attributes, overloaded attributes, and other wicked cool stuff:
import ...
How can I include a YAML file inside another?
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Your question does not ask for a Python solution, but here is one using PyYAML.
PyYAML allows you to attach custom constructors (such as !include) to the YAML loader. I've included a root directory that can be set so that this solution supports relative and...