Previously, I used Ablog to set up my personal blog and maintained the content using Sphinx syntax. That effort ended around 2021—not something I’m proud of. Recently, I’ve decided to restart blogging to capture my learnings, insights, and reflections. However, I’m hesitant to continue with the old system because Ablog …

Published: Aug 02, 2020 Tags: data Category: Engineering Data science involves principles, processes, and techniques for understanding phenomena via the (automated) analysis of data. This article talks about the basic part of data science. Data Driven Decision (DDD) Data-driven decision-making (DDD) refers to the …

Published: Jul 31, 2020 Tags: efficiency Category: Engineering I got first Macbook 3 years ago, but only use Macbook as production environment 9 months ago. In order to use Macbook in an efficient way, some tips can be important to know. Short cut keys Capture window Command + Shift + 5 Record video for screen Command …

Published: May 16, 2020 Tags: iot, hardware Category: Engineering Recently, my recent project use Arduino and relevant devices to help to emulate signals from sensors. It helps our development quite a lot especially the 'up-stream' part like data acquisition. The setup looks like following, which just shows very small …

Published: May 01, 2020 Tags: cloud, architecture Category: Engineering Just like programming, for many technical challenges for using cloud and Azure there are best practices. We call these best practices as Design Pattern. This blog introduce these design patterns and also discuss relevant tools on Azure. Table of …

Published: Jun 09, 2019 Tags: blockchain, security Category: Engineering This year, I worked on a project and the topic for me is cyber security for blockchain in Oil and Gas industry. It was really good experience since I got the chance to think through this topic and deliver research report to client. Both cyber …

Published: Apr 30, 2019 Tags: cloud Category: Engineering Data Lack and Data Warehouse are two concepts causing confusion. This blog introduces these two concepts and provides comparision for other relevant concepts. In general, there is a good article: https://www.talend.com/resources/data-lake-vs-data-warehouse/ Data …

Published: Apr 21, 2019 Tags: booknotes, process Category: Engineering This blog is the book notes for user story applied. User stories principles A good story is: Independent, Negotiable, Valuable to users or customers, Estimable, Small, Testable User stories emphasize verbal rather than written communication User …

Published: Apr 20, 2019 Tags: cloud, telemetry Category: Engineering This blog introduces what Application Insight can do. Application Insight Basics Application Insights is aimed at the development team, to help you understand how your app is performing and how it's being used. It includes functions: Detect, triage, …

Published: April 19, 2019 Tags: security, cloud Category: Engineering Cyber Security is important aspect to digital transformation. To use Azure well, the understanding of the security building blocks is crucial. https://docs.microsoft.com/en-us/azure/security/azure-security-getting-started Security Basics Every …