GKGaurav Kumaringauravbytes.dev·2h ago · 13 min readRAG Search Algorithms - How Retrieval Actually Works Under the HoodEvery agentic AI system that "looks things up" before answering — a support bot searching a knowledge base, a coding agent searching a codebase, a research assistant searching PDFs — is running a Retr00
ICInsight Crayonininsightcrayon.hashnode.dev·2h ago · 7 min readHow to Build 1,000 Deterministic Puzzle Levels in FlutterA mobile puzzle game can outgrow hand-authored levels long before its UI is finished. The obvious shortcut is runtime randomness, but that creates a different problem: players, testers, screenshots, a00
GCGunjan C.inleetcodevisualized.hashnode.dev·3d ago · 4 min readLeetCode #01 | 2390. Removing Stars From a String | Stack Approach | Java, C & Python👋 Introduction Welcome to LeetCode Visualized! In this series, we'll solve LeetCode problems using visual explanations, intuitive walkthroughs, and clean implementations in Java, Python, and C. Today10
VVVidit Vatsindsa-decoded.hashnode.dev·3d ago · 5 min readLC-15 3Sum ProblemGiven an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] == 0. Notice that the solution set must not conta00
VVVidit Vatsindsa-decoded.hashnode.dev·4d ago · 2 min readLC 167 Two Sum II - Input Array Is SortedGiven a 1-indexed array of integers numbers that is already sorted in non-decreasing order, find two numbers such that they add up to a specific target number. Let these two numbers be numbers[index1]00
KSKEDALA SAHITHYAinkedalasahithya.hashnode.dev·5d ago · 8 min readHow Does Uber Decide Which Driver Gets Your Ride Request?Introduction Several days ago my friend and I had just finished our work and were soon to be heading home. As we always do, we used Uber to book an Auto. At the time the app was displaying the message00
JNJohans Neirainjohansen.hashnode.dev·5d ago · 4 min readJavaScript has no sorted containers. I built one for TypeScriptJavaScript ships with Array, Set, and Map — but nothing that keeps its elements sorted as you insert. If you've ever built a leaderboard, an order book, or anything that answers "give me the items bet00
ARAniket Rawateinaniketrawate.hashnode.dev·5d ago · 6 min readRick’s Car Battery Made Me Finally Understand RecursionI was rewatching Rick and Morty Season 2, Episode 6 (“The Ricks Must Be Crazy”), and halfway through the episode I had one of those moments where your brain suddenly connects two completely unrelated 10
SSamridinblog.samrid.me·6d ago · 14 min readThere are no images in π (I found some anyway)π is the internet's favorite hard drive. Its decimal expansion never ends or settles into a repeating cycle. If you believe the meme, those digits contain everything: your birth certificate, the Shrek00
BBottleneckPCinbottleneckpc.hashnode.dev·6d ago · 6 min readWhy I open-sourced a bottleneck calculator that gives you a range, not a fake percentageEvery "PC bottleneck calculator" I've ever used hands you a single, confident number: "Your CPU is bottlenecking your GPU by 14.3%." That number is fiction. No benchmark on earth can back it up, becau00