Daniel Lee articles - 14 total
Design a short url for system design interview
This article is a personal note from "System Design Interview - An Insider's Guide by Alex Xu". It's...
Security strategy: zero trust model with mTLS
Prologue When I worked at Mastercard, I had an opportunity to contribute to an...
Typescript OOD concept for technical interview
Basics class can implement one or more interfaces. ex) class C implements A,B...
Design a key-value store for system design interview
When talking about a key-value store in a backend system, the very first thing that comes to my mind...
Design a consistent hashing for system design interview
Imagine that you launch a new product and it attracts a huge volume of traffic ($1M order per...
Design a rate limiter for system design interview
What is it? A rate limiter controls the rate of traffic from a client or a server. In...
How in the world can a nested for/while loop(s) have time complexity of O(N)?! for coding interview
In Python (and in general algorithm analysis), the time complexity of a nested loop depends on how...
Search optimized database (full-text search) for system design interview
Traditional databases run a table scan to find a search term in the database. This is slow and...
TIL: HTTP methods are case-sensitive
When making different API calls, for example, using fetch() api, request methods are case-sensitive...
TIL: api route paths can be designed with the hypen (-) and the dot (.)
API routes can be designed to use the hypen and dot for useful purposes. For instance, to pass/parse...
Key components to know for system design interview
This article is intended for software engineers with prior experience in development. How to...
Storage and retrieval for system design interview
The following content is my own note from the book, "Designing Data-Intensive Applications". The...
Data models and query languages for system design interview
The following content is my own note from the book, "Designing Data-Intensive Applications". The...
Foundations of data systems for system design interview
The following content is my own note from the book, "Designing Data-Intensive Applications". The...