React SSR Deep(ish) look

Today, I looked into the React SSR sample code. (Kudos to Dan and team for the sophisticated user-land experience, btw). What stroke my curiosity was the <!DOCTYPE html> token at the start of the server response HTML payload: Why was I curious, you ask? Cuz at no point in the codebase do we explicitly write […]

wasm-pack from scratch

Today I decided to try wasm-pack from scratch. Let’s walk the talk together and see what we pick up along the way!

useful linux commands to manage disk drives & partitions

This post is simply a collection of commands I use over the years when it comes to managing disk drives & partitions on Linux operation systems. This post only lists the commands themselves without discussing their arguments or detailed usages.

TypeScript Node.js testing tips

Situation 1 Use mocha in server-side TypeScript projects with compilerOptions.paths in tsconfig.json ? Then we need: mocha tsconfig-paths ts-node { “ts-node”: { “files”: true } } in the tsconfig.json file (see more here) Depending on how we import our modules around in the codebase, point (4) above may not always be needed. In one of […]

k8s service externalIPs vs NodePort in GKE

I’ve seen discussions on this topic scattered around the internet, so the idea of this post is to gather them all (at least, the most useful of them – imho) into 1 single chart, so they can be easily understood from a bird eyes’ view. The illustration below shows how 2 types of service can […]

adding deno completions on Mac Catalina

So, on Deno going 1.0, I decided to give it a try today. The getting-started doc explains clearly that we can use deno completions <shell> to generate completions definition for deno. But being new to zsh (the default shell on Mac Catalina), I didn’t know where best to install this completions definition to. So I […]

nginx proxying to unix sockets: lessons learned

I might classify this article under “rage post”, as it’s 4:30am and tomorrow’s early work prevents me from explaining things properly. Considering you have an nginx app proxying to /your/app.socket ; then the combination of the user and group and chmod value on the app.socket file itself & the directory containing it (in this example, […]

make a string url-safe

When running devops scripts (among other things), we often need to get a url-safe representation of an arbitrary string. This is commonly known as “url slug” by the average netizens. As my JavaScript is better than my bash, and npx is more universally available than my capability to master both Windows and Linux shell scripts, […]

Explain SPF like I’m 12

Say, you have just registered your own domain name: “myawesomedomain.com”, and a geek friend of yours says “hey pal, you’ll need to pay someone, or set up your own server, to send emails out from that awesome domain. Lemme do it for you!”

ghost 2.x – how to use a specific pOST as THE home (landing) page

This post discusses an approach to use a normal Post as the entire homepage of a Ghost blog