Your ultimate guide to interview preparation is an amazing guide that covers pretty much everything you need to know to prepare & pass a technical interview.
2 interviewers at a time
sharing questions with candidates ahead of time
working on actual problems the team is facing
When trying to solve problems for understanding, don't blindly copy other's solutions. Read their solutions and take notes. Then reimplement from the notes.
Pramp - 1 hr online interviews where you interview someone and they interview you back.
LeetCode - Collection of 700+ interview coding challenges.
Coding Interview University - Complete computer science study plan to become a software engineer.
The Coding Interview by Palantir - Great tips.
Interview Map - A map that can help you make a better preparation for the next interview.
Reverse interview - Questions to ask the company during your interview.
Metaview - Personal interviewer coaching.