Lei Feng 的 Blog

Both Data Science (DS) and Operations Research (OR) are two disciplines that provide advanced analytics capabilities. They are highly relevant and overlapped, but they work in two different paradigms. In this post, I’m trying to explain the relationship between DS and OR, the differences, and how they could work together in advanced analytics based on my experience in both domains. Read More...

The last day of the year is usually a time when I reflect on the past 12 months and set up some new goals for the coming year. The year 2021 was marked by many ups and downs across the country and the world. Well, which year was not? I have gradually gotten used to the ups and downs and look forward to brighter days in 2022. Read More...

Auzre Machine Learing Workspace provides a centralized platform to work with all aspects of Machine Learning, from creating and training ML models to publishing the models to services. This post describes the steps you can follow to train a ML model and deploy the trained model as web service on a Azure Kubernetes Service (AKS) cluster in Azure ML Workspace. Read More...

This post is a quick start manual for beginners to Git or GitLab. Although this manual aims for the GitLab Enterprise edition on Windows, the instructions apply to general Git and GitLab/GitHub practices. This post assumes that you have already set up a GitLab web account where you can restore and manage your source code. Read More...

Connecting to an Oracle Database with Python cx_Oracle through LDAP is not trivial. It needs to install cx_Oracle module and Oracle Instant Client libraries, as well as set up LDAP settings in the Oracle Client. This post describes the processes to set up a connection to an Oracle Database on-premises with Python on a Ubuntu 18.04 LTS Virtual Machine in Microsoft Azure. Read More...