Simplify writing tests — At work, we used gomega for testing. It worked well until one day, it became too verbose and goconvey became a better fit. To prevent the repository from using two different sets of assertion functions, I decided to write an adapter to make goconvey work with gomega assertion functions. gomega gomega…

In the last post, I shared my experience with Sapling, Meta’s new Git client. It requires some workaround with direnv. This post explains the change in detail. At work, we are using direnv for quickly managing environment variables on our repository. When we cd into a directory, or a subtree…

Experimenting with stacked pull requests — Sapling is a new source control system developed by Meta. Recently, it has gained the ability to work with GitHub. I’m curious about how it works, so I decided to try it and ended up using it daily on my company’s repositories. …

Connect the dots — Sometimes, stepping outside of your comfort zone and taking on some side projects is a great way to improve as a developer. The more skills you acquire, the more you can do. And you may need them someday in the future. In this article, I’ll show you how to create…

Old vs. new JavaScript — These features have been released for a while. Let’s check them out! 1. Private fields

How to validate that a Protobuf message does not contain enum fields with zero value? Turns out that this isn’t supported directly by Protobuf! We need to look into how the package protojson is implemented. — More and more companies are adopting gRPC with Protobuf for communication between internal services. It has the benefits of high performance, supporting multiple programming languages, and being backed by Google with a great ecosystem around.

What is it? Eventual consistency is a fancy name of doing something and only expecting the changed state after a while. And there is a guarantee that you will eventually get the expected state. Hence, consistency. But that won’t work well with caching. …

Once upon a time, we could simply put an HTML and a script file into an FTP server, quickly have a working website and call it a day. Today, we have to jump through many hoops just to get the right things in the right places. Suppose Alice wants to…

µjson is a minimal JSON parser and transformer that works on unstructured (and trusted) JSON. It works by parsing input and calling the given callback function when encountering each item. Motivation Sometimes we just want to make some minimal changes to a JSON document or do some generic transformations without fully…