The Mutex Club: Why ReentrantLock Sometimes Beats synchronized
Java Lock Showdown: synchronized vs. ReentrantLock When multiple threads race to update a shared resource (think: orchestrating n8n workflows…
The Mutex Club: The Art of Synchronization in Java
Key Insights ### Intrinsic Locks Are Your Bouncer Java’s synchronized keyword is like hiring a burly bouncer for your shared data: only one…
The O(n) Club: Balanced Binary Tree: Don’t Let Your Code Topple Over
The O(n) Club: Balanced Binary Tree: Don’t Let Your Code Topple Over ⚡ TL;DR If you only glance at the root of your binary tree, you might as…
The O(n) Club: Insert Delete GetRandom O(1) — The Data Structure That Won’t Waste Your Time
The O(n) Club: Insert Delete GetRandom O(1) — The Data Structure That Won’t Waste Your Time ⚡ TL;DR Set with insert, delete, and…
The Mutex Club: Optimizing Reads with ReadWriteLock
Key Insights Imagine your application as a busy airport terminal. ReentrantReadWriteLock lays out two lanes: – Read Lane (readLock):…
The O(n) Club: Find Peak Element: Java’s Favorite Uphill Battle
The O(n) Club: Find Peak Element — Java’s Favorite Uphill Battle ⚡ TL;DR Need a peak in your int[]? Just look for any nums[i] that’s bigger…
The O(n) Club: Binary Tree Zigzag Level Order Traversal: When BFS Decides to Salsa
The O(n) Club: Binary Tree Zigzag Level Order Traversal: When BFS Decides to Salsa ⚡ TL;DR Zigzag level order traversal means stomping your…
The Mutex Club: Why and When to Use Thread.yield()
Key Insights on Thread.yield() Imagine your threads are ravenous chefs fighting for a single gas hob (the CPU). Thread.yield() is like one…
The Mutex Club: Using Thread.interrupt() Safely and Effectively
The Mutex Club: Why Thread.interrupt() Is Merely a Whimper, Not a Kill Shot ## Key Insights Cooperative Shutdown with interrupt()…
The Mutex Club: The Happens-Before Rule Explained
The Mutex Club Presents: Happens-Before, or How to Make Threads Play Nice Ever tried convincing multiple chefs to chop, sauté, and blend…