A function expects a number, but somewhere in the project a string is passed instead. The compiler says nothing, the tests don't cover the case, and the error only ...

"I definitely wrote it in .env. I checked it over and over. Yet the app is running with a different value." — Environment variable bugs always arrive in this form. 401 even with the correct password.

This course provides a comprehensive introduction to data structures and algorithms used in computer science. Throughout the course, students will learn how to write efficient code, analyze algorithms ...