DE Log 1: Idempotency 31 August 2019·807 words·4 mins data data-engineering In linear algebra, an idempotent matrix is a matrix which, when multiplied by itself, yields itself.
DE Log 0.1: Rescheduling of Airflow DAGs 22 September 2018·532 words·3 mins data data-engineering airflow notes This article briefly records the step to reschedule a DAG on Apache Airflow