VHVaibhav Haldiainvhald.hashnode.dev路6h ago 路 4 min readA Patent Troll Almost Killed GIFYou've sent a GIF today. Maybe three. But did you ever wonder why PNG exists at all? Short answer: someone sent a legal letter, and a bunch of programmers got annoyed. Back when the web was one big 00
VHVaibhav Haldiainvhald.hashnode.dev路Sep 24 路 6 min readDay 1: The Fundamentals Rebuild Arc 馃ПBuilding to top-1% engineer, in public. No gatekeeping, no fake streaks, just the receipts. Why I'm doing this (and why publicly) Hot take: AI isn't coming for engineers. It's coming for commodity en01B
VHVaibhav Haldiainvhald.hashnode.dev路Oct 23, 2025 路 6 min readUnix File Permissions: A Comprehensive Technical OverviewPermissions in Unix are an integral part of the operating system. You can see the details of all files in the current directory by using options -l and -a combinedly with ls command: ls -al Every file has an owner (also referred to as the user), a g...00
VHVaibhav Haldiainvhald.hashnode.dev路Oct 7, 2025 路 3 min readSoftware Testing Types: Technical ReferenceEvaluation Framework Every test type answers three questions: What does it test? When is it executed? What does failure indicate? Unit Tests AspectDescription TestsIndividual functions/methods in isolation ScopeSingle atomic unit with no e...00
VHVaibhav Haldiainvhald.hashnode.dev路Sep 13, 2025 路 3 min readEssential Jupyter Notebook Shortcuts for Faster WorkflowHere are the most frequently used Jupyter shortcuts organized by importance: 馃敟 ESSENTIAL (Daily Use) Command ModeShortcutEdit ModeShortcut Run cell, select belowShift + EnterRun cell, select belowShift + Enter Run selected cellsCtrl + EnterR...00
