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Can modules have properties the same way that objects can?

...s? When I put this code in one file x.py and import it from another, then calling x.y results in AttributeError: 'NoneType' object has no attribute 'c', since _M somehow has value None... – Stephan202 May 19 '09 at 1:35 ...
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Stripping everything but alphanumeric chars from a string in Python

What is the best way to strip all non alphanumeric characters from a string, using Python? 11 Answers ...
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Installing Google Protocol Buffers on mac

I would like to install the older version of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal. ...
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How to check if all elements of a list matches a condition?

... The best answer here is to use all(), which is the builtin for this situation. We combine this with a generator expression to produce the result you want cleanly and efficiently. For example: >>> items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]] >>...
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What is the best method to merge two PHP objects?

...bj_merged = (object) array_merge((array) $obj1, (array) $obj2); This actually also works when objects have methods. (tested with PHP 5.3 and 5.6) share | improve this answer | ...
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Creating a blocking Queue in .NET?

...threads reading from the same queue. If the queue reaches a specific size all threads that are filling the queue will be blocked on add until an item is removed from the queue. ...
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Why is it slower to iterate over a small string than a small list?

...nd with timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time. ...
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What does $_ mean in PowerShell?

... This is the variable for 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 ...
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Forced naming of parameters in Python

...(10, forcenamed=20) 10 20 >>> foo(10, 20) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: foo() takes exactly 1 positional argument (2 given) This can also be combined with **kwargs: def foo(pos, *, forcenamed, **kwargs): ...
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Should all Python classes extend object?

...inheritance are different in ways that I won't even try to summarize here. All good documentation that I've seen about MI describes new-style classes. Finally, old-style classes have disappeared in Python 3, and inheritance from object has become implicit. So, always prefer new style classes unless...