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Getting list of parameter names inside python function [duplicate]
...= lambda x, y: (x, y)
>>>
>>> func.__code__.co_argcount
2
>>> func.__code__.co_varnames
('x', 'y')
>>>
>>> def func2(x,y=3):
... print(func2.__code__.co_varnames)
... pass # Other things
...
>>> func2(3,3)
('x', 'y')
>>>
>>>...
How can I read inputs as numbers?
...
321
TLDR
Python 3 doesn't evaluate the data received with input function, but Python 2's input fu...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
...
Explain the encapsulated anonymous function syntax
...ve a function expression without a name defined:
(function () {
alert(2 + 2);
}());
Or named function expression:
(function foo() {
alert(2 + 2);
}());
The Parentheses (formally called the Grouping Operator) can surround only expressions, and a function expression is evaluated.
The tw...
Replacing Pandas or Numpy Nan with a None to use with MysqlDB
...
203
@bogatron has it right, you can use where, it's worth noting that you can do this natively in ...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...
22 Answers
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92
Be aware that you're currently testing for object identity (is only returns True if both operand...
Test if remote TCP port is open from a shell script
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Raedwald
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answered Feb 27 '12 at 10:35
Alessio GaetaAl...
How to replace a hash key with another key
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720
hash[:new_key] = hash.delete :old_key
...
Process all arguments except the first one (in a bash script)
...
692
Use this:
echo "${@:2}"
The following syntax:
echo "${*:2}"
would work as well, but is n...