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Personal Vim cheatsheet
ReadThis is my personal cheatsheet as intermediate Vim user so I skipped the ones that I consider basic. All the commands listed are used in…
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Europe Trip September 2019
ReadNeeded a break, to visit many touristy places. But I start to get into arts and wish I had more time to appreciate the artworks.
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Relational Database Normalization
ReadIf database migration involves a schema redesign, we need to follow certain forms. I have good instinct what these forms are. However, I got some…
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Cryptography basics 2 of 2
ReadMy previous post outlines several core concepts around cryptography, such as asymmetric key encryption, digital certificate, the encoding formats and relevant file extensions. In this…
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High level steps for database migration
ReadDatabase migration may involve many different types, such as hardware platform migration, one technology to another (relational to relational, relational to NoSQL), on-premise to cloud,…
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AWS Certified DevOps Engineer Exam Tips
ReadThe last 30 days have been exhausting for me. I studied hard on the new AWS Certified DevOps Engineer exam and thank goodness I passed…