Tech TLDR;

Compile Node.js to Native Binaries

by

Guillermo Rauch (Socket.io, Mangoose.js, Hyper.js, Now) is the guy to watch, and last night he did not disappoint. The following tweet announced pkg – a simple tool to generate a native executable file from Node.js code targeting Mac, Linux, and Windows. Introducing `pkg` Single command binary compilation for Node.js pic.twitter.com/Dbe9L1gb0x — ZEIT (@zeithq) April 29, […]

Understanding differences between npm, yarn and pnpm

by

Introduction I am not an expert on either of the package managers. Contrary, until few days ago I didn’t realize that npm used a local cache. Unaware, I wrote an article titled OMG — NPM clone that finally makes sense and was called out on some of my false assumptions. That feedback forced me to take a […]

OMG – NPM clone that finally makes sense

by

Note: Everything I’ve assumed was wrong, I am keeping track of things as I discover them via the medium post: https://medium.com/@akras14/omg-npm-clone-that-finally-makes-sense-3478588879 I’ll update this post when the dust settles 🙂 Last week I came across a yet another NPM clone, called pnpm, but unlike other clones (cough Yarn) this one is actually interesting! What so […]

TypeError – The Header Content Contains Invalid Characters

by

A few weeks ago our production code started to throw a weird error, that looked like this: This was very strange, since it was coming from a code that used to work for a long time. The only thing that has changed was the Node version. I’ve tried Googling for the issue, but all I […]

Simple Guide to Finding a JavaScript Memory Leak in Node.js

by

Table of Contents Introduction Minimal Theory Step 1. Reproduce and confirm the problem Step 2. Take at least 3 Heap dumps Step 3. Find the problem Step 4. Confirm that the issue is resolved Links to some other resources Summary Something you might want to bookmark: Simple Guide to Finding a JavaScript Memory Leak in […]

Simple HTTPS Test Server Using Node.js

by

I needed a simple server to test my HTTPS POST requests. Just like a regular HTTP server, it is super easy to do in Node. Except I needed to add private key and a cert, which is an extra step and was not immediately obvious to me, so I figure I’d share my findings. Step […]