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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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What is the best way to get all the divisors of a number?
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For those of us who don't understand Pythonese, what is this actually doing?
– Matthew Scharley
Oct 7 '08 at 13:24
1
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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...
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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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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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...
ImportError: numpy.core.multiarray failed to import
...o import" issue, but it was because I had 1.6 installed for the version of Python I was using, even though I kept installing 1.8 and assumed it was installing in the right directory.
I found the bad numpy version by using the following command in my Mac terminal:
python -c "import numpy;print(numpy....
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...