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How to determine a Python variable's type?
How do I see the type of a variable whether it is unsigned 32 bit, signed 16 bit, etc.?
17 Answers
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What do all of Scala's symbolic operators mean?
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530
I divide the operators, for the purpose of teaching, into four categories:
Keywords/reserved ...
A python class that acts like dict
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Ricky WilsonRicky Wilson
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Extract traceback info from an exception object
...to this question depends on the version of Python you're using.
In Python 3
It's simple: exceptions come equipped with a __traceback__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback method of exceptions:
raise Exceptio...
How to overload __init__ method based on argument type?
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... return cls(datadict.items())
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>>> MyData([1, 2, 3]).data
[1, 2, 3]
>>> MyData.fromfilename("/tmp/foobar").data
['foo\n', 'bar\n', 'baz\n']
>>> MyData.fromdict({"spam": "ham"}).data
[('spam', 'ham')]
The reason it's neater is that there is no doubt about...
TypeError: method() takes 1 positional argument but 2 were given
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394
In Python, this:
my_object.method("foo")
...is syntactic sugar, which the interpreter trans...
What does $_ mean in PowerShell?
... the current value in the pipe line, which is called $PSItem in Powershell 3 and newer.
1,2,3 | %{ write-host $_ }
or
1,2,3 | %{ write-host $PSItem }
For example in the above code the %{} block is called for every value in the array. The $_ or $PSItem variable will contain the current val...
Can a decorator of an instance method access the class?
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13 Answers
13
Active
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Should __init__() call the parent class's __init__()?
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edited Jan 3 '19 at 0:11
Nick Rempel
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