What is the purpose of a context manager in python
Context managers are a way of allocating and releasing some sort of resource exactly where you need it. The simplest example is file access:
Python
How does Pytorch’s “Fold” and “Unfold” work?
I’ve gone through the official doc. I’m having a hard time understanding what this function is used for and how it works. Can someone explain this in layman’s terms?
Initialize parameter of method with default value
I would like to initialize a method’s parameter with some default value if an explicit value was not passed into the method – something like this:
How to install PyGame on Python 3.4?
So I have this little problem. When I try to install PyGame for Python 3.4 I download a .whl (wheel?) file and don’t know how to use it. Some guys told me something about pip but don’t know how to use/install it.
Python file operations
I got an err “IOError: [Errno 0] Error” with this python program:
Read CSV file with comma within fields in Python
I need to read a CSV file which has fields that have a comma, so I have double quoted the fields which contains commas, such as:
Dividing complex rows of dataframe to simple rows in Pyspark
I have this code:
Discord.py: on_member_join suddenly stopped working
I have the following code that I am trying out:
Display image stored as binary blob in template
I have a model with an image stored as a binary blob. I want to display this image, along with other data about the object, in a template. Since the image is not a separate file, I can’t figure out how to display it. I’ve tried setting headers, or using send_file or render_template, but I either don’t get the image or only get the image and not the rest of the template. How can I display a binary blob as an image in a template?
How to create a dictionary from a line of text?
I have a generated file with thousands of lines like the following: