--- title: "Henry Eleonu (@henryeleonu) | Hashnode" description: "Data Engineering, Data Science, Software Development. Read the latest articles by Henry Eleonu on Hashnode." url: "https://hashnode.com/@henryeleonu" --- @henryeleonu # Henry Eleonu @henryeleonu · Joined December 2022 Data Engineering, Data Science, Software Development ### [Importance of Writing Only A Single Task in a Function](https://henryeleonu.com/importance-of-writing-only-a-single-task-in-a-function?utm_source=hashnode&utm_medium=feed) Importance of Writing Only A Single Task in a Function 2 min read · [henryeleonu.com](https://henryeleonu.com/importance-of-writing-only-a-single-task-in-a-function?utm_source=hashnode&utm_medium=feed) [May 7, 2023](https://hashnode.com/posts/importance-of-writing-only-a-single-task-in-a-function/6457e1b36583ca4073b0d159) ### [Some Best Practices for Improving Code Maintainability and Quality](https://henryeleonu.com/some-best-practices-for-improving-code-maintainability-and-quality?utm_source=hashnode&utm_medium=feed) I will discuss my experience while maintaining simulation software written in Python. I was engaged in making some updates to simulation software for transport and logistics, and I noticed that the transport and logistics department, which was suppos... 2 min read · [henryeleonu.com](https://henryeleonu.com/some-best-practices-for-improving-code-maintainability-and-quality?utm_source=hashnode&utm_medium=feed) [May 7, 2023](https://hashnode.com/posts/some-best-practices-for-improving-code-maintainability-and-quality/6457a04c46d4bfc08e64c805) ### [How To Encourage Best Practices in Python Programming By Complying With PEP8 Style Guide](https://henryeleonu.com/how-to-encourage-best-practices-in-python-programming-by-complying-with-pep8-style-guide?utm_source=hashnode&utm_medium=feed) As part of this blog post, I have added a YouTube demo on how to enable PEP8 compliance in Visual Studio Code. Enabling PEP8 Compatibility of Python Code in Visual Studio Code - YouTube https://www.youtube.com/watch?v=ZkwHwQ6l4wI Some of the best p... 3 min read · [henryeleonu.com](https://henryeleonu.com/how-to-encourage-best-practices-in-python-programming-by-complying-with-pep8-style-guide?utm_source=hashnode&utm_medium=feed) [Apr 17, 2023](https://hashnode.com/posts/how-to-encourage-best-practices-in-python-programming-by-complying-with-pep8-style-guide/643d577ae650cbe3cef3b4e2) ### [Deploy Jupyter Notebook and Spark on AWS Elastic Kubernetes Service (EKS)](https://henryeleonu.com/deploy-jupyter-notebook-and-spark-on-aws-elastic-kubernetes-service-eks?utm_source=hashnode&utm_medium=feed) In this article, I am going to show the steps to follow to enable you to run Apache Spark on a cluster managed by Kubernetes. But before this, you have to first create the EKS cluster. I have another article on how to create an EKS cluster in AWS. Sp... 4 min read · [henryeleonu.com](https://henryeleonu.com/deploy-jupyter-notebook-and-spark-on-aws-elastic-kubernetes-service-eks?utm_source=hashnode&utm_medium=feed) [Dec 20, 2022](https://hashnode.com/posts/deploy-jupyter-notebook-and-spark-on-aws-elastic-kubernetes-service-eks/63a1f0b4e006dfaef325efa7) ### [How To Deploy PostgreSQL on AWS Elastic Kubernetes Service (EKS)](https://henryeleonu.com/how-to-deploy-postgresql-on-aws-elastic-kubernetes-service-eks?utm_source=hashnode&utm_medium=feed) In this post, I am going to explain the step I followed to deploy PostgreSQL running in docker containers to AWS EKS. The YAML files I used for this deployment can be found in my GitHub repository: https://github.com/henryeleonu/spark-kubernetes/tree... 4 min read · [henryeleonu.com](https://henryeleonu.com/how-to-deploy-postgresql-on-aws-elastic-kubernetes-service-eks?utm_source=hashnode&utm_medium=feed) [Dec 19, 2022](https://hashnode.com/posts/how-to-deploy-postgresql-on-aws-elastic-kubernetes-service-eks/63a04a4a02aa1c03c58abc96)