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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
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If class B is not available for you to edit, then you must edit class A to not try to use super(); class A must be made to work with an "old-style" class, and possibly the best way to do that would be to make class A be itsel...
How can I use UUIDs in SQLAlchemy?
...s there a way to define a column (primary key) as a UUID in SQLAlchemy if using PostgreSQL (Postgres)?
9 Answers
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Upgrade Node.js to the latest version on Mac OS
Currently I am using Node.js v0.6.16 on Mac OS X 10.7.4. Now I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there an...
What's the difference between SortedList and SortedDictionary?
Is there any real practical difference between a SortedList<TKey,TValue> and a SortedDictionary<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
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Check if a number is int or float
...t;> y = 12.0
>>> isinstance(y, float)
True
So:
>>> if isinstance(x, int):
print 'x is a int!'
x is a int!
_EDIT:_
As pointed out, in case of long integers, the above won't work. So you need to do:
>>> x = 12L
>>> import numbers
>>> isin...
Is the != check thread safe?
I know that compound operations such as i++ are not thread safe as they involve multiple operations.
8 Answers
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Django: Get model from string?
In Django, you can specify relationships like:
10 Answers
10
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Can a variable number of arguments be passed to a function?
.... Keyword arguments must come last when you call it. They always come last if you have non-keyword arguments in the call too.
– Skurmedel
Sep 26 '16 at 17:26
2
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PHP equivalent of .NET/Java's toString()
... @Supuhstar Ah right, I finally understand where you're coming from. Sorry if I was being obtuse before. I agree that this is a relevant detail and it would be valuable to add it, perhaps separating the answer into 'Converting Primitives' and 'Converting Objects' sections with headers.
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Is it safe to resolve a promise multiple times?
...erally inadvisable to rely on undocumented behavior even if it works right now.
– 3ocene
Sep 5 '18 at 18:26
ecma-inter...