A note on TypeScript discrimination unions
Recently I started using discrimination unions a lot in typescript. This technique allows us to write more type-safe codes, for instance: T…
· 1 min read
Series
Technical notes
Short notes written on my engineering journeys
Frequent Feedback vs. Corrective Feedback in Engineering
In the fast-paced world of IT, feedback is not just a tool—it's the cornerstone of growth, innovation, and collaboration. Whether you're men…
· 5 min read
Do You Use Mutex in Node.js Servers?
TL;DR: While mutexes are commonly associated with multi-threaded programming, they are also highly useful in Node.js, a single-threaded envi…
· 10 min read
Leopard - the c⁽¹⁾ of O(1) Indexing System
What is Leopard? The leopard is one of the five extant cat species in the genus Panthera. It has a pale yellowish to dark golden fur with d…
· 4 min read
Writing SQL in Big Data System
Working with massive datasets changes how you approach writing SQL. It’s not just about writing correct queries — it’s about writing smart o…
· 4 min read
The Redlock Algorithm
The Redlock algorithm is a distributed locking mechanism designed for Redis to ensure mutual exclusion across clients in a distributed syste…
· 4 min read
The Cloudf|are Outage [mDraft]
If you tried to use the internet, or accessing thediligentengineer.com on November 18, you probably noticed it was broken. For a solid coupl…
· 4 min read