Development

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 [https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.DateTimeField] such as created_at, updated_at, and so on, we often come

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: