Srdan Borovic·3d agoHow to Get Unstuck on a Coding Problem Without Asking AI for HelpLast winter I spent an entire evening fighting a button. I clicked it, nothing happened, and the browser console said nothing.
Aaron McCollum·Mar 6Moving up in CodewarsI created my Codewars profile just a few months ago in December as part of the curriculum for 100Devs. I was familiar with the site from…
InJavarevisitedbyPriyanka Jain·Dec 14, 2025The Only 50 DSA Problems You Need to Master the BasicsPattern-Based Guide for BeginnersA response icon3A response icon3
Matthew Simpson·Dec 8, 2025Solving the Contains Duplicate Problem (LeetCode #0217) Three (Well, 2.5) Different WaysSolving the Contains Duplicate problem (LeetCode 0217) by sorting the input or keeping track of the input, with some variations on each.
Anas Issath·Oct 15, 2025Interviewer asked me why changing matrix[0][0] modifies ALL rows in my Python list?The terrifying truth about list multiplication and why [[0] * 3] * 3 is a trap waiting to ruin your day.
SS Tie·Jul 10, 2025Binary Search, a versatile toolBinary search is an efficient way to search for a value in an ordered list. It is much faster (O(log N)) than a linear search (O(N)), as it…
Bryant Jimin Son·Jul 7, 2025[Algorithm Problem]: Find the subarray that yields the maximum value of sum given an array of…Here is a classical algorithm problem that looks extremely simple at a surface.
Bryant Jimin Son·May 26, 2025Algorithm problem: Check if two binary tree are sameTree is a common data structure that is often asked during technical interview problems, and one of most commonly asked easy problems is…
Amit Lokare·Apr 5, 2025Dear Junior Dev: Here’s Why Your Senior Hates Switch/if-else codeA response icon1A response icon1
Narayan·Mar 10, 2025Debugging Nightmares: How to Find and Fix Hidden BugsEvery developer has been there. You’ve written code that should work perfectly, but something’s not right. The application crashes…
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