How to set thousands separator in Java?

https://stackoverflow.com/questions/5323502/how-to-set-thousands-separator-in-java 

Node js fundamentals

https://medium.com/@imranyounaskaa123/node-js-interview-questions-5aa86cda8c3f 

Important C++ concepts

 https://medium.com/@badearobert/c-software-developer-interview-q-a-part-1-2-3cb328ae14f7

Basic substring search algos

https://medium.com/insiderengineering/string-algorithms-4145e8689cc1 

Basic bit manipulation

https://orkhanhuseyn.medium.com/bit-manipulation-algorithms-d9a4a748dddd 

DBMS basics

https://www.youtube.com/watch?v=hQ2qSrhwcPM 

Unique data structures in Python

 https://buildwithmalik.medium.com/i-made-a-python-cheat-sheet-for-data-structures-and-algorithms-useful-for-leetcode-b304754fad9c