The Mutex Club: ThreadLocal: Thread Confinement Made Easy
Key Insights # The Secret Stash Imagine a line of chefs in a shared kitchen, all grabbing ingredients from one giant pantry—disaster waiting…
The O(n) Club: 3Sum Closest: When Close Enough Is As Good As It Gets
The O(n) Club: 3Sum Closest – When Close Enough Is As Good As It Gets ⚡ TL;DR Don’t go all-in on O(n³) brute force unless you love noise…
The O(n) Club: Count of Smaller Numbers After Self (or, Why Timing Out Is a Lifestyle Choice)
The O(n) Club: Count of Smaller Numbers After Self (or, Why Timing Out Is a Lifestyle Choice) ⚡ TL;DR For each number in your array, count how…
The Mutex Club: Understanding Memory Visibility and Volatile
Key Insights ### The Club’s Memory Problem Picture a high-stakes nightclub called The Mutex Club. Threads are the partygoers, CPUs and…
The O(n) Club: Max Area of Island — Because DFS Is Land Lord
The O(n) Club: Max Area of Island — Because DFS Is Land Lord ⚡ TL;DR You get a grid of 0s (water) and 1s (land). Your mission, should you…
The O(n) Club: Climbing Stairs Without Emptying Your Wallet (LeetCode 746)
The O(n) Club: Climbing Stairs Without Emptying Your Wallet (LeetCode 746) ⚡ TL;DR The stairs want your money—but you’re smarter than that.…
The Mutex Club: Deadlocks, Livelocks & Starvation – What They Mean
Why Your Threads Throw a Fit Picture a busy kitchen where chefs keep grabbing the same pan and nobody’s cooking. That, dear mortals of code,…
The O(n) Club: Reorder List: When Your Linked List Needs a Hollywood Makeover (Pointer Edition)
The O(n) Club: Reorder List — When Your Linked List Needs a Hollywood Makeover (Pointer Edition) ⚡ TL;DR Want to glam up your linked list so…
The O(n) Club: Palindrome Partitioning – Chop That String Like a Paranoid Chef
The O(n) Club: Palindrome Partitioning – Chop That String Like a Paranoid Chef ⚡ TL;DR Given a string, split it every way you can so every…
The Mutex Club: Avoiding Race Conditions Like a Pro
Key Insights ### Race Conditions 101 Think of two hungry chefs racing for the last slice of pizza at the end of service—except they’re…