Golang Golang How to define enum and understand how iota works
What is the best practice to define enum in Golang? Use iota for enum and define String() func.
Yuto
Golang 
Python Python How to run another Python script with arguments
Another Python script can be run by exec function. However, arguments can't be specified with it. How is it implemented? Okay, use subprocess.call or subprocess.run instead.
Other techs Git How to create/remove branches in Local and Remote repository
There are some branches that are no longer needed. Then, remove them all at once. Let's use the combination of git branch -d, grep, and xargs.
Golang Golang How to check if key exists in map
How to initialize mapThere are two ways to initialize map in Golang.Initialization without any key-valueIf it's not nece...
Dart and Flutter I struggled with releasing a Flutter Desktop app
I tried to create a release for a Flutter Desktop application but it was not straightforward... I created a release for ...
Python Python How do nested groups work for regex
If there are several formats and data need to be extracted from the string, the nested group might neet to be used in the regex string. How does it actually work? Let's check together with me.
Python Python Convert str to int/float, dict/list to str, and vice versa
Conversion is often needed to change the data type. This post covers main cases where you need in your production code. Let's check how to convert a variable.
Other techs Git How to undo a commit to remove some modifications
Everyone can make a mistake. How can we undo a commit when we push a commit by mistake? How can we revert a commit from the middle of the history when the commit is no longer needed?
Python Python Access a class property by the name without dot chaining
In some cases, a key string needs to be used to read property. How can it be done in Python? Use setattr, getattr, and hasattr functions
Python Python How to trim unnecessary letters from a string
Are unnecessary spaces contained in a string? Then, let's trim them by using strip. It can be used not only for spaces but also for arbitrary characters.