The O(n) Club: Stack Your Sanity with LeetCode 224’s Basic Calculator
The O(n) Club: Stack Your Sanity with LeetCode 224’s Basic Calculator ⚡ TL;DR Can you evaluate arithmetic strings with ‘+’,…
The O(n) Club: Critical Connections in a Network: The Java Tarjan, Unplugged
The O(n) Club: Critical Connections in a Network — The Java Tarjan, Unplugged ⚡ TL;DR Finding bridges (aka critical cables) in a network:…
The Mutex Club: Thread Safety Without Tears Using Java’s BlockingQueue
TL;DR; Java’s BlockingQueue is the mutual exclusion handshake you’ve been dreaming of—thread-safe, blocking semantics, no manual mutex…
The Mutex Club: Demystifying Thread Metrics for Dashboards
The Mutex Club: Demystifying Thread Metrics for Dashboards Think green dashboard lights mean everything’s fine? Let me introduce you to…
The O(n) Club: Distribute Coins in Binary Tree — The DFS Therapy Session
The O(n) Club: Distribute Coins in Binary Tree — The DFS Therapy Session ⚡ TL;DR Binary tree out of coin balance? Every node needs exactly one…
The O(n) Club: Minimum Remove to Make Valid Parentheses — Java’s Answer to Your Bracket Nightmares
The O(n) Club: Minimum Remove to Make Valid Parentheses — Java’s Answer to Your Bracket Nightmares ⚡ TL;DR Dev nightmare: You have a string…
The Mutex Club: Ditch the Guesswork—Master Dynamic Thread Pool Tuning
Key Insights ### Thread Pool Sizing: A High-Wire Act Think of your thread pool as a brigade in a bustling kitchen. Too few chefs and orders…
The Mutex Club: Object Pool Pattern Explained
Key Insights ### Central Manager The Object Pool pattern acts as a centralized manager for heavyweight instances—think database connections,…
The O(n) Club: Maximum Binary Tree: When Your Array Is a Bunch of Control Freaks
The O(n) Club: Maximum Binary Tree—When Your Array Is a Bunch of Control Freaks ⚡ TL;DR Choice: scan for the max, crown it root, recursively…
The O(n) Club: Populating Next Right Pointers in Each Node II: Now With 100% More Pointer-Juggling
The O(n) Club: Populating Next Right Pointers in Each Node II — Now With 100% More Pointer-Juggling ⚡ TL;DR Given a binary tree where some…