빅오 표기법 (Big-O notation, 점근 표기법)은 소프트웨어 엔지니어링, 특히 데이터 엔지니어링에 있어서 알고 있어야 할 필수 요소이다.

When working with models in Django with DateTimeField such as created_at, updated_at, and so on, we often come across the issue of supporting different timezones, especially when your intended audience is

From time to time we need to validate whether the URL is valid. Of course, there is a quick hacky implementation of checking if the input string has the URL format, such as: