(Updated on 20220712) Metaverse is still a buzzword. No clear definition on what it is and how it is going to change our world. Many movies have already explored these concepts. Ready Player One was back in 2018 and Free Guy was in August 2021, well before Facebook became Meta. …

(Updated on 20230815, fixed the libheif install issue, tested on latest/current LAMP droplet on 20.04. The auto script attached works on current 20.04 image; follow manual install for 18.04 LTS, also, thanks to feedback from readers, can run on Amazon Linux 2, CentOS 7, Debian 9 and Ansible. I have…

(Updated for Fabric 2.4.4 and Ubuntu 20.04, easily work with v2.2.3 LTS and v1.4.12 LTS too, still less than 3 mins to read, 5 mins to install! But try not to use the $5 1GB RAM instance with 2.3.x, …

(Still editing this, was our on-going journal/notes during the trip, slowly editing it into a digital nomading guide.) Travelling around with Helen for 2 months around SE Asia. Hoping to meet other digital nomads around to learn from their experience, not aiming to quit our city life any time soon…

Since early 2023, ChatGPT has been a hot topic in the tech world. There is still much discussion on how AI will affect the employment market and possibly society as we know it. But let’s leave these larger issues aside and concentrate on how to best use the new tool. …

(Updated 20230816) Since my HODL+ article, I have been playing with the Rebalancing Bot as well. And now sharing notes on my experiments so far. Left the bots running for a month or so already and the early results are not bad. *** Binance changed their Grid Trading Bot feature…

(Still editing, stay tuned.) Over the past few years, I have been asked a few times to talk about how to use blockchain for product authenticity and traceability. So rather than repeating it many times, I am finally ready to share my notes here. Not exactly the full deck and…

(Updated 2023/11/27) Just sharing notes on my recent experiments with tradebot for crypto trading. Been running these bots since March 2023. The bot did over 16k trades for me and made around 3.5k profit on 28k capital, not too bad. It is what I wanted for crypto winter (horizontal market)…

Sharing notes from our AI and Machine Learning study sessions with new developers. We run these induction sessions when we have new coder joining our team, covering key tech topics all coders should know like AI, Blockchain, Cloud and Big Data, as well as other hot topics like Crypto, Metaverse…