November 2021 Thirty Days #6 – Remembering the year my Prime Minister broke into song at the National Day Rally Speech

Of all the things I will remember about 2021… it was the year when our Prime Minister burst into song during the National Day Rally Speech. The speech was over 2 months ago, so this video is long overdue. However, I want to record it for my future memories. I suppose that the song would

November 2021 Thirty Days #5 – Scalability Thinking In A PSLE Question

Many kids will break down in tears at this PSLE question. But it involves a useful thinking process for working with big data. Note: PSLE stands for the Primary School Leaving Examination, which is the primary (elementary) school graduation examination in Singapore. (Image credits: The Straits Times. For the question, not for me).