Other techs Git How to apply changes made to the root branch that has already merged
Branching strategy for a big featureWhen working on a big feature, it should be separated into small tasks so that we ca...
Other techs 
Docker How to direct Docker standard output and error output at the same time
How to check log that Docker container writesdocker logs [container name or ID]If the container name is my_app, it looks...
elixir Elixir – How to setup devcontainer on VSCode
I decided to learn Elixir in 2025. So the first thing that I want to do is to create a devcontainer.A default devcontain...
Other techs VS Code does not start from WSL due to collapted file
VS Code doesn't start up from WSL… This problem occurred after showing a beautiful Windows blue screen!! It definitely b...
Other techs How to add name servers in WSL2
When I tried git clone in WSL2, it failed to resolve the host because the name server is not set correctly. I write down...
Golang Golang Is memory size doubled if passing a slice to a parameter?
Suppose you are one of the people who came from C or similar programming language and started using Golang. In that case...
Golang Golang Type Switch does not work for a pointer in struct?
I wrote this article because I didn't know the behavior of type switch well especially when the target type is pointer t...
Golang Golang What would be the simplest way to set the default value?
I needed to set the default value if a user did not put the property. There were several ways to set a default value, bu...
Other techs Git Ignore indexed file but cannot switch to a branch if it’s modified
When we add a path to a directory or a file in .gitignore file, changes to those files are ignored. But sometimes we wan...
Dart and Flutter Flutter How to create a circular color picker
There could be some packages that provide a circular color picker but I wanted to understand how it's implemented, so I ...