Python – Chengzhi Zhao

The Essential Reading List for Data Engineers: 10 Classic Books You Can’t Miss

Data Engineering / By Chengzhi Zhao / February 20, 2023 February 20, 2023

Discover the Essential Reading List for Data Engineers: 10 Classic Books You Can’t Miss. While many free online resources are available, they often lack the depth and context needed to truly master the field. In this article, I will share ten classic books that cover everything from fundamental technical skills like Python and SQL, to more advanced topics like Apache Spark, Apache Flink, Apache Beam, Apache Airflow, Kubernetes, distributed systems, and dimensional modeling.

4 Faster Pandas Alternatives for Data Analysis

Data Engineering / By Chengzhi Zhao / February 8, 2023 February 8, 2023

Pandas is no doubt one of the most popular libraries in Python. However, Pandas doesn’t shine in the land of data processing with a large dataset. We will compare 4 faster pandas alternatives for data analysis: Polars, Dask, Vaex, Modin

Get Fluent in Python Decorators by Visualizing It

Data Engineering / By Chengzhi Zhao / January 21, 2023 March 16, 2023

Python decorator is syntactic sugar. You can achieve everything without explicitly using the decorator. However, Using the decorator can help your code be more concise and readable. Ultimately, you write fewer lines of code by leveraging Python decorators.