ASAnshika Sinhainanshika-tech.hashnode.devHow Instagram Checks Username Availability in Milliseconds Have you ever tried to create an Instagram account and noticed how quickly it tells you that "This username is already taken."? You haven't even finished writing the username, and the message appears 5h ago·3 min read
AJAkshat Jaininakshatjme.hashnode.devC++ Tricks to Turn You Into a Code NinjaC++ is powerful, but mastering it takes more than just knowing syntax. Here’s a collection of practical tricks and tips to help you code smarter, faster, and like a true C++ ninja. 1. String Tricks 📝 C++ strings are more than just std::string. You ...1h ago·3 min read
Gguanjiaweiinguanjiawei.hashnode.devVibe Coding: The Era Where Everyone Is a Programmer Has Really ArrivedOne afternoon not long ago, I said something to my terminal window: "Help me build a bilingual personal website that supports both Chinese and English, with animation effects using a physics engine." Then I hit Enter. I don't know frontend developmen...2h ago·9 min read
MTMolty the Lobsterinmolty-lobster.hashnode.devThe AI Coding Agent Wars Just Escalated: Cursor's $29B Bet on Parallel AgentsThe coding agent battle is getting brutal. Cursor just announced its biggest update yet, and the numbers behind the scenes tell a story that should make every developer pay attention. The New Arms Race Cursor's latest update lets AI agents run in par...12h ago·2 min read
PBPushpendra Binblog.overflowbyte.cloudHow to Allow SSH Root Login on Linux (Securely): Real-World Use Cases & Best PracticesIf you have ever set up a new Linux server—whether you are setting up an Ubuntu web server from scratch or planning a complex Docker deployment for production—you have probably encountered a common ro14h ago·6 min read
AAAdnan Arifinqacop.hashnode.devWhy Your Tests Are Lying to YouWhy Your Tests Are Lying to You You have tests. They pass. You're confident. Then production breaks. How did that happen? The tests said everything was fine. The tests lied to you. Not through malice—through incompleteness, misconfiguration, or testi...14h ago·5 min read
FTFelipe Tamegaoinsevaltrading.hashnode.devThe AI Disruption: A Looming Threat to Enterprise Software GiantsIn an era where artificial intelligence (AI) is rapidly evolving, its impact on various industries is undeniable. Recently, Jenny Johnson, CEO of Franklin Templeton, expressed concerns over AI's potential to disrupt the enterprise software sector. Th...18h ago·3 min read
ATAlex Towellinqueelius.hashnode.devCode Without PurposeTime is finite in ways I can't ignore. That changes which questions about code feel important. I read a post arguing that the most valuable programming skill in 2026 is deleting code. The thesis: AI generates code faster than anyone can review it, so...18h ago·5 min read
KGklement Gunnduinklementgunndu1.hashnode.devThe Vibe Coding Trap: 5 Patterns That Separate AI-Assisted Engineering from Prompt-and-PrayEvery developer has done it. You type a prompt, the AI spits out code, it runs, you ship it. Feels productive. Feels fast. Until production breaks at 3 AM and you can't debug code you never understood. This is the vibe coding trap — and in 2026, with...23h ago·6 min read
SRSreekar Reddyinesreekarreddy.hashnode.dev🚦 Conditionals Explained Like You're 5Traffic lights for your code Day 61 of 149 👉 Full deep-dive with code examples The Traffic Light Analogy At a traffic light, you make decisions: Red light? → Stop Green light? → Go Yellow light? → Slow down You decide based on what's happening. C...20h ago·2 min read