Groupby value counts on the dataframe pandas
I have the following dataframe:
python
Determine the type of an object?
Is there a simple way to determine if a variable is a list, dictionary, or something else? I am getting an object back that may be either type and I need to be able to tell the difference.
How to get a function name as a string?
How do I get a function’s name as a string?
Normal arguments vs. keyword arguments
How are “keyword arguments” different from regular arguments? Can’t all arguments be passed as name=value instead of using positional syntax?
What is the difference between null=True and blank=True in Django?
null=False, blank=False: This is the default configuration and means that the value is required in all circumstances.
How do I check if a variable exists?
I want to check if a variable exists. Now I’m doing something like this:
What does functools.wraps do?
In a comment on this answer to another question, someone said that they weren’t sure what functools.wraps was doing. So, I’m asking this question so that there will be a record of it on StackOverflow for future reference: what does functools.wraps do, exactly?
How do I check file size in Python?
How do I get the size of a file in Python?
how to sort pandas dataframe from one column
I have a data frame like this:
Retrieving the output of subprocess.call()
How can I get the output of a process run using subprocess.call()? Passing a StringIO.StringIO object to stdout gives this error: Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py", line 444, in call return Popen(*popenargs, **kwargs).wait() File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py", line 588, in __init__ errread, errwrite) = self._get_handles(stdin, stdout, stderr) File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py", … Read more