Pinned5 minutes to Install Hyperledger Fabric v2.4.4 (and 1.x LTS) on Ubuntu 20.04 DigitalOcean(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, …Ubuntu4 min read
Dec 26, 2021Metaverse explained: What Is It, Where We Are and Where We’re Headed(Updated on 20220223) Metaverse is still a buzzword. Hard to tell if it is just clever marketing by Facebook to distract the market away from all the negative news. What’s if they used all their tech to maximise the marketing effect of the term to manipulate the world? Should be…Metaverse7 min read
Oct 29, 2021How To Automate Tasks On Your Mac and iPhone(Updated on 20220630 — Added sample code github repo) Just sharing some tips on how I automate my workflow on Mac and iOS. I use a combination of Shortcuts, Automator, Apple Script and Shell scripting. It’s not actually that technical, you just need to play around with these apps. Let’s…Macos11 min read
Sep 21, 2021How to upgrade to iOS 15 final from beta or RC versionIf you have been using the Release Candidate version of iOS 15 since last week. You need to do the following to get the final version. RC version number 19A344 to Final version 19A346. It fixed a few small UI bugs. The simplest way to go back to using stable…I OS2 min read
Sep 10, 20215 minutes to start using IPFS InterPlanetary File SystemWant to try something new? Play around with InterPlanetary File System (IPFS). Definitely sound cool. The idea of having a decentralised P2P network to share files is not new, BitTorrent and Tor are still around, but what makes IPFS special this time is that it is much more user friendly…Ipfs5 min read
Sep 2, 2021Dev Intern Study Notes: Big Data(Updated 20220514) Sharing the notes from our developer induction session with our interns on Big Data. We are still editing this and adding some diagrams, links and other references. Can use it as a collection of key concepts for now. Our interns spent a week or so researching into the…Big Data9 min read
Apr 13, 2021Dev Intern Study Notes: Cloud InfrastructureSharing notes from our second dev intern study topic, cloud infrastructure. It’s a very big topic to cover in a couple of weeks and the notes might seem a bit unstructured. We are still editing it and adding some diagrams, links, etc. Use it as a collection of key concepts…Cloud Computing14 min read
Mar 25, 2021Blockchain Study Notes for developersSharing our notes from a Blockchain study sessions with our new developers. We run these induction sessions when we have new coder joining our team, covering key tech topics like AI, Blockchain, Cloud, big Data, etc. They spent a week researching into the topic with some starting questions, then meet…Blockchain18 min read
Feb 25, 2021Cryptocurrency Secrets for Beginners(Updated 20220513) Extending on my Cryptocurrency for Beginners: Tips and Tricks You Should Know article, which was written for newbies to get into trading and start playing around with crypto, I am writing this note to share my wider opinion on the “recent” late-2020 crypto craze. …Cryptocurrency13 min read
Aug 20, 2020Cryptocurrency for Beginners: Tips and Tricks You Should Know(Updated 20220101) Cryptocurrency is still the main killer app for blockchain tech, many projects been trying hard to build new business case with it, but still ended up just dancing around with tokenomics. Stop wondering if bitcoin is just a fad, try it out. It’s easier than getting a bank…Cryptocurrency9 min read