How to check if a variable is a dictionary in Python??

How would you check if a variable is a dictionary in python? For example, I'd like it to loop through the values in...

How do I get the day of week given a date??

I want to find out the following: given a date (datetime object), what is the corresponding day of the week? For in...

Resource u'tokenizers/punkt/english.pickle' not found?

My Code: import nltk.data tokenizer = nltk.data.load('nltk:tokenizers/punkt/english.pickle') ERROR Message: [ec2...

How to convert a boolean array to an int array?

I use Scilab, and want to convert an array of booleans into an array of integers: >>> x = np.array([4, 3,...

Negation in Python?

I'm trying to create a directory if the path doesn't exist, but the ! (not) operator doesn't work. I'm not sure how ...

How to use youtube-dl from a python program?

I would like to access the result of the shell command: youtube-dl -g "www.youtube.com..." to print its output di...

How to plot vectors in python using matplotlib?

I am taking a course on linear algebra and I want to visualize the vectors in action, such as vector addition, norma...

Difference between .pack() and .place() and using them together??

What is the primary difference between these two functions? I'm currently working on a program that contains a can...

How can I display an image from a file in Jupyter Notebook??

I would like to use an IPython notebook as a way to interactively analyze some genome charts I am making with Biopyt...

Details of /proc/net/ip_conntrack and /proc/net/nf_conntrack?

I'm looking for a detailed documentation about content of files /proc/net/nf_conntrack and/or /proc/net/ip_contrack ...

Finding local maxima/minima with Numpy in a 1D numpy array?

Can you suggest a module function from numpy/scipy that can find local maxima/minima in a 1D numpy array? Obviously ...

How to append multiple values to a list in Python?

I am trying to figure out how to append multiple values to a list in Python. I know there are few methods to do so, ...