Docker Python install Poetry in Docker container with VSCode
It took me a while to find out how to poetry install in Docker container with VSCode. So, I wrote this article for other...
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Docker 
Other techs Assign a value to VSCode launch.json depending on env value with Makefile
I wrote the following post before. But this requires manual steps. I wanted to automate it, so I needed to change the ho...
Python Python mockito to stub an object for unit testing
mockito in Python doesn't have good documentation due to poor examples. I struggled with it to learn how to do something. If you also in the same situation, this post is for you. Stub, replace a method behavior, and verify the parameters!
Other techs VSCode + WSL2 + devcontainer for dev environment
If we could establish dev environment in a Docker container, it is easy to share the environment. It's easy to set up th...
Python Python join function that works for list of list with non-string values
It occurs an error when join function is called with the following values.# TypeError: sequence item 0: expected str ins...
Python Python Three ways to flatten a list
There seems not to be a built-in function to flatten a list in Python. So I implemented it.List containing lists that ha...
Python Python How to pass a list to parametrize in Pytest
I searched for a way to pass a list as a parameter but I didn't find the answer. Because it is too easy to do...?Passing...
Python Python How to call a function for all elements of a list by using map
If a function needs to be processed for all elements of a list, map function can be used.Basic usage of map functionmap ...
Other techs Makefile How to use variables defined in a config file
It took me a while to clarify how to import variables from a config file.We have makefile.env and define environment var...
Python Python How to check if list has only one data type
typing helps the Python development with the data type. But sometimes it's hard to work with type. How can we implement ...