How do I specify the column that I want in my query using a model (it selects all columns by default)? I know how to do this with the sqlalchmey session: session.query(self.col1), but how do I do it with with models? I can’t do SomeModel.query(). Is there a way?
Is it possible to get the RGB color of a pixel using PIL?
I’m using this code:
If I’ve got an array of strings, can I check to see if a string is in the array without doing a for loop? Specifically, I’m looking for a way to do it within an if statement, so something like this:
One of the basic data structures in Python is the dictionary, which allows one to record “keys” for looking up “values” of any type. Is this implemented internally as a hash table? If not, what is it?
I have a large dataframe (5000 x 12039) and I want to get the column name that matches a numpy array.
Stack overflow. Once again, I come to you in a time of dire need, teetering precariously on the brink of insanity. This question – as may be evident from the title – is an amalgamation of several other questions I have seen answered here.
Is there some way in Python to capture KeyboardInterrupt event without putting all the code inside a try–except statement?
Let’s say I need a 3-digit number, so it would be something like:
PySizer, “a memory profiler for Python,” found at http://pysizer.8325.org/. However the page seems to indicate that the project hasn’t been updated for a while, and refers to…
I’ve installed Anaconda and created two extra environments: py3k (which holds Python 3.3) and py34 (which holds Python 3.4). Besides those, I have a default environment named ‘root’ which the Anaconda installer created by default and which holds Python 2.7. This last one is the default, whenever I launch ‘ipython’ from the terminal it gives me version 2.7. In order to work with Python 3.4, I need to issue the commands (in the shell)