Problem Guess the Number Higher or Lower A number is picked between 1 and n, and your task is to find that number using a provided API: guessnum returns: -1 → y...

How to Create and Sell an Online Course in 2026 Zero Budget, Maximum Profit The online course market is projected to hit $400 billion by 2026. Yet most people w...

Stop wasting time typing the same test inputs over and over again. If you're a frontend dev or QA engineer, you know the pain. You're testing a signup flow for...

Every AI website generator has the same problem: the output looks random. You prompt for a bakery site and get something that could be a SaaS landing page with...

Palantir is to be granted access to a trove of highly sensitive UK financial regulation data, in a deal that has prompted fresh concerns about the US AI company...

I've been writing code for 27 years. I picked up Claude Code the day it launched and haven't looked back. Last weekend I built a plugin that does something I've...

Last Tuesday I fixed a bug in about four minutes. Not a small bug either. It was one of those authentication edge cases that only shows up when a user has a cer...

Problem Move Zeroes The operation must be done in-place, without using extra space. Input: 0, 1, 0, 3, 12 → Output: 1, 3, 12, 0, 0 Approach The idea is to shift...

First of all, apologies for being so blunt and straightforward right out of the gate, but I am super excited to finally share what I've been building. After a l...

22 Mar 2026 What I love about NixOS has less to do with Linux and more to do with the Nix package managerhttps://nix.dev/manual/nix/latest/package-management/1f...

Problem You’re given an array of integers and need to sort an array containing only 0s, 1s, and 2s. At first, it feels like you can just sort the array or count...

Problem Given an integer array arr, the task is to find the maximum sum of a subarray containing at least one element. A subarray is a continuous part of an arr...

I built a local-first AI CLI to replace Copilot using Ollama Like a lot of developers, I hit a point where I was paying for tools I used daily… but didn’t fully...

Problem You’re given an array of integers and need to move all negative elements to the end while maintaining the order of elements. At first, it feels like you...

Why Haptics Matter More Than Sound in the Gym When I built BoxTime, I assumed the bell sound would be the primary way users know a round ended. Then I tested it...

!Ganga Sri Vhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2F...

Problem Min and Max in Array Input: 1, 4, 3, 5, 8, 6 → Output: 1, 8 Input: 12, 3, 15, 7, 9 → Output: 3, 15 Approach We can solve this by scanning the array once...

I built a chore rotation app over the weekend because I was tired of seeing the same argument everywhere You know the one. 'Who was supposed to take out the tra...

Recently I’ve been thinking about coding with AI in terms of it being a process of navigating a tree of probabilistic outcomes. Most people using LLMs, especial...

Why Raw Pointers Still Matter If you truly want to understand what's going on under the hood, you If you are a C++ developer, you've probably been encouraged to...

March 2026 I started a reading group in 2021, a few months after joining Microsoft as a new grad on the Azure Databases team. The group was initially focused on...

Problem Given an integer array arr, the task is to find the maximum sum of a subarray containing at least one element. A subarray is a continuous part of an arr...

Article URL: https://about.doordash.com/en-us/news/introducing-doordash-tasks Comments URL: https://news.ycombinator.com/item?id=47479417 Points: 15 Comments: 1...

!https://cdn.mos.cms.futurecdn.net/wUuHeVd83rRmkYZ6cSNmwf.jpg GrapheneOS, the privacy-focused Android fork, said in a post on X on Friday that it will not compl...

I know that HN isn't a customer support forum and it might not be right to post this here, but we are absolutely desperate and hoping someone in this community...

If you’ve ever worked with multiple GitHub accounts and suddenly hit errors like: Repository not found Can’t clone or push to a private repo Git showing a weird...

Forty-two copy-paste operations per day. That is how many times I was manually ferrying context between Claude Code and my browser before I discovered MCP. I ti...

I added one PostToolUse hook to my Claude Code configuration last Tuesday. It auto-runs Prettier every time Claude edits a file. The setup took 3 minutes. I hav...

Three research agents running in parallel. Codebase analysis dropped from 10 minutes to 3. I'm a solo developer, but for the first time it felt like I had a tea...

ContextZip wraps your shell commands without changing their behavior. No modified binaries. No PATH manipulation. No LD_PRELOAD tricks. Here's how. contextzip i...

I watched Claude Code include my Stripe secret key in a debug log. It was trying to help — I'd asked it to figure out why a payment integration was failing, and...

Here's Everything We Found An AgentAutopsy post — dissecting AI agent failures so you don't have to 177. That's how many times our decision-making agent's conte...

The most impactful engineering leader I ever worked with was a guy named Bill Scott who led UI engineering at PayPal. What I loved about Bill was his constant e...

In theory, checking disk usage looks simple — just grab the percentage from df -h. But in the real world, scripts break, formats differ, and human‑readable valu...

Let me paint you a picture. You join a company. You ask how secrets are managed. Someone looks at their shoes. Eventually you find a .env file in a shared Googl...

Article URL: https://www.bloomberg.com/news/articles/2026-03-16/atlassian-defends-firing-worker-who-suggested-ceo-is-rich-jerk Comments URL: https://news.ycombi...

Mar 22, 2026 Saying 'I am a software engineer' is beginning to feel like saying 'I am a calcultorhttps://www.wikiwand.com/en/Computer_occupation' in 1950 now th...

AI agents are connecting to production systems without verification. MCP servers, payment processors, enterprise APIs — all accepting agent connections on blind...

AI CLI tools are everywhere right now. Claude Code, Gemini CLI, GitHub Copilot in the terminal — they'll write your code, refactor your modules, even run your t...

I’m releasing Manyanahttps://github.com/bramcohen/manyana, a project which I believe presents a coherent vision for the future of version control — and a compel...

I’m releasing Manyanahttps://github.com/bramcohen/manyana, a project which I believe presents a coherent vision for the future of version control — and a compel...

A lot of teams deploy prompt or model changes as if they were static content updates. Push to production. That works right up until: cost jumps parsing breaks r...

Product-market fit is critical to sustainable growth and success, as it aligns a product with the needs of its target market and resonates with users. This guid...

The rise of consumer crypto is reshaping the blockchain landscape, making decentralized applications dApps increasingly relevant for everyday activities. But ar...

Most AI incidents are documented too late and too vaguely. The team remembers the frustration, but not the evidence. So a week later the postmortem sounds like...

Customer churn is one of the biggest threats to sustainable growth - especially in competitive markets like DeFi and Web3. A leaky bucket empties quickly. While...

Decentralized applications Dapps, also known as onchain apps, are redefining digital experiences by offering enhanced privacy and self-custody. But as the Web3...

The crypto and Web3 space continues to explode with innovation, creating exciting opportunities for product managers looking to transition from traditional tech...