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How can you set class attributes from variable arguments (kwargs) in python
... # define (additional) allowed attributes with no default value
more_allowed_attr = ['d','e','f']
allowed_attr = list(default_attr.keys()) + more_allowed_attr
default_attr.update(kwargs)
self.__dict__.update((k,v) for k,v in default_attr.items() if k in allowed_att...
Heroku Postgres - terminate hung query (idle in transaction)
..., and with some luck it will disappear after a while. Eventually, this is more efficient:
select pg_terminate_backend(1234);
If you have shell access and root or postgres permissions you can also do it from the shell. To "cancel" one can do:
kill -INT 1234
and to "terminate", simply:
kill 1...
Optional Methods in Java Interface
...synchronization.
Adding this support to the type hierarchy requires four more
interfaces.
Now we're up to twenty or so interfaces and five iterators, and it's
almost certain that there are still collections arising in practice
that don't fit cleanly into any of the interfaces. For examp...
Is an HTTPS query string secure?
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Delete fork dependency of a GitHub repository
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Bootstrap table without stripe / borders
...lt style. CSS are loaded with order; the latter overwrites the former, the more specific overwrites the more general ones.
– WesternGun
Mar 6 '18 at 16:28
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What does DIM stand for in Visual Basic and BASIC?
...o define any variable, not just arrays, so its meaning is not intuitive anymore.
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C-like structures in Python
...namedtuple can have atmost four arguments so how we can map structure with more data members with corresponding namedtuple
– Kapil
Jul 19 '17 at 10:52
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How to split a string, but also keep the delimiters?
...s as there was for the StringTokenizer - split(";", true) would be so much more readable than split("((?<=;)|(?=;))").
– Fabian Steeg
Feb 5 '10 at 11:17
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When should you not use virtual destructors?
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