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How to re-raise an exception in nested try/except blocks?
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As of Python 3 the traceback is stored in the exception, so a simple raise e will do the (mostly) right thing:
try:
something()
except SomeError as e:
try:
plan_B()
except AlsoFailsError:
raise e # or r...
Substitute multiple whitespace with single whitespace in Python [duplicate]
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More lines than the others, and thus less "pythonic", but clearer.
– BuvinJ
Feb 11 '16 at 20:02
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How to select a drop-down menu value with Selenium using Python?
...tackexchange.com/questions/1355/unable-to-select-an-option-using-seleniums-python-webdriver
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How do you extract a column from a multi-dimensional array?
...oes anybody know how to extract a column from a multi-dimensional array in Python?
20 Answers
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How do I write a “tab” in Python?
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The Python reference manual includes several string literals that can be used in a string. These special sequences of characters are replaced by the intended meaning of the escape sequence.
Here is a table of some of the more u...
How to get exit code when using Python subprocess communicate method?
How do I retrieve the exit code when using Python's subprocess module and the communicate() method?
5 Answers
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How can I get a list of all classes within current module in Python?
... even if the current module hasn't been put in sys.modules, e.g. from docs.python.org/2/library/functions.html#execfile
– Chris Smith
May 1 '13 at 14:44
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Python: Checking if a 'Dictionary' is empty doesn't seem to work
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Empty dictionaries evaluate to False in Python:
>>> dct = {}
>>> bool(dct)
False
>>> not dct
True
>>>
Thus, your isEmpty function is unnecessary. All you need to do is:
def onMessage(self, socket, message):
if not self.u...
Extract elements of list at odd positions
...t is reached,
EDIT: @PreetKukreti gave a link for another explanation on Python's list slicing notation. See here: Explain Python's slice notation
Extras - replacing counter with enumerate()
In your code, you explicitly create and increase the counter. In Python this is not necessary, as you can...
Accessing dict keys like an attribute?
... instead of KeyError
Supports [Tab] autocompletion (e.g. in jupyter & ipython)
Cons:
Methods like .keys() will not work just fine if they get overwritten by incoming data
Each AttrDict instance actually stores 2 dictionaries, one inherited and another one in __dict__
Causes a memory leak in Py...