Cracking the Tech Interview
Rafay AbbasiDaily blogs on system design, coding, and behavioral interviews, from the team behind Grokking courses on System Design and Coding Interviews. Real frameworks, real questions, and how AI is reshaping every round.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 67 | Founded | 2 months ago | Last Issue | 3 days ago |
| Active | |||||
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Arrays and Strings Explained: Memory, Indexing, and Why Some Operations Are Slow
Arrays are the first data structure almost everyone learns, and also the one most people never really understand.
You know how to use one: make a list, grab the third element, loop over it.
But ask why grabbing the third element is inst...
Backtracking: The “Try, Recurse, Undo” Mental Model
Backtracking has a fearsome reputation.
It shows up in problems that sound hard, generate every possible combination, solve the N-Queens puzzle, find all the ways to partition a string, and the textbook solutions are dense recursive funct...
Inside the Stripe 2026 Interview Process: Why It’s Harder Than Most FAANG Loops
Stripe doesn’t test you the way Google or Meta do. It tests something closer to the actual job, and that’s exactly why strong LeetCode grinders walk in confident and walk out rejected.
A note before we start: interview processes change, an...
Binary Search and Its Variants: Rotated Arrays, Finding Boundaries, and Search on the Answer
Binary search is the algorithm everyone learns first and almost nobody truly masters.
The basic version, find a target in a sorted array, is so simple it feels beneath attention. Then the interview hands you a twist: find the first occurr...
When to Stop Optimizing: The Stopping Rule Strong Candidates Use
There’s a particular way to fail a coding interview that almost nobody warns you about.
You don’t freeze.
You don’t write broken code.
You solve the problem correctly, with a clean and efficient solution, and then you keep going, hunt...
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Blogs on system design, coding, and behavioral interviews.
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