tzlee.com/blog

Open Source Primary and Secondary Educational Resources

Can Primary, or even Secondary education materials in Singapore be made Open Source so that educators or even members of the public contribute and consume freely? Can and should such education materials be made free and open for all? What… Continue Reading →

Ten years of memories

I resigned from my previous job and joined a new one in 2020 – just right before the whole COVID-19 pandemic started. The “previous job” wasn’t just a job. It was a job I had for almost ten years since… Continue Reading →

Why Unit of Work is an anti-pattern but not Repository

Is Repository and Unit of Work (UoW) an anti-pattern? In the .NET/C# world, it is often said that Repository/UoW is an anti-pattern and one should probably use Entity Framework Core directly. But if it is an anti-pattern, why are people… Continue Reading →

The River Valley High School Incident

The incident at River Valley High School is the saddest news of the year. As I read the comments on social media, I wonder why many people blame it on (a) the education system and (b) on video games? Is… Continue Reading →

Teachers – the unsung heroes

Not his first “skool” My First Skool (MFS) isn’t Ethan’s first school; he had transferred from another private school which shall remain unnamed (although it is noteworthy that it was a well-known franchise.) Ethan joined MFS at Nursery level (age… Continue Reading →

Stop returning null

Have you ever debugged a null error? It’s like a void space. The error often doesn’t tell you anything. Null handling sucks the life out of developers. Developers should stop returning null. Modern programming languages have exceptions – use them…. Continue Reading →

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