DNS
DNS (Domain name system) is essentially a phonebook for internet addresses on the Internet. Every URL with alphanumeric characters are mapped to IP addresses, either IPv4 »
Storing passwords into a database
Don'ts Don'ts Don't put raw passwords in the database Don't put encoded passwords in the database (i.e. Base64) Don't put simple hashed passwords in the »
Ether and Ethereum is not the same thing
Ether vs. Ethereum Ethereum is... A network built on blockchain technology It's focus is to have decentralized apps (DAPPS) Based on Smart Contracts: A self-executing contract »
Mutual Funds vs. ETF
Open-ended Mutual Fund The fund manager registers their fund to the SEC The fund manager markets the funds to bring in more investors/shareholders Shareholders can »
Tenets of Leetcode
Disclosure I'm a simple guy who did a handful of interviews at tech startups and enterprise companies until I landed an offer at FAANG. I'm also »