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basically a word-a-day site for TOEFL/IELTS vocab. got tired of flashcard apps, so instead every word has a little animated scene, like if you tap "disperse" the dots scatter across the screen. there's UK and US audio on each one too. around 180 words now, adding a few every week. no ads, no signup. let me know if anything's broken. www.lexicow.com

I used to think I was handling errors well in my Flutter apps. I had try/catch blocks everywhere. I was catching exceptions, logging them, and showing error messages to users. It felt solid. Then I st

Your browser remembers every page you've ever opened, but it has no idea why you opened any of them. You might spend three days comparing laptops across a dozen tabs, get distracted, come back a week

Enterprise organisations are under constant pressure to deliver content across websites, mobile applications, customer portals, digital kiosks, smart devices, and emerging digital channels. Customers

In this article, you'll learn how my team built a synthetic PHI generation pipeline to create privacy-safe training and validation data for medical imaging AI. The Problem Imagine you’re building an A

Most financial models use analyst consensus as a single forward-looking input: revenue estimate, EPS estimate, EBITDA estimate, or some version of a forward margin assumption. That works, but it flatt

Your Garmin shows poor recovery, WHOOP paints your day red, your resting heart rate is high, your HRV is low, and the app recommends that you rest. But here’s the thing: you don’t actually feel bad. F

A few years ago, the first day I finally got access to an AI image generator, I was so excited that I immediately sat down and wrote an article about it (using Node.js and OpenAI's DALL-E). The magic

Retrieval-augmented generation, or RAG, is a pattern where an application retrieves relevant source material and adds it to a model prompt so the model can answer from that context. A larger context w

If you've worked with Flutter for any meaningful length of time, you've likely written this: try { final user = await repo.getUser(); print(user.name); } catch (e) { print('Something went wrong:

Every backend system eventually needs something to run on a schedule. Old sessions need deleting, summary tables need rebuilding, materialized views need refreshing, and maintenance tasks need to happ

Lately, there's been more focus on creating specialized Small Language Models (SLMs) for high-throughput, real-time applications. But we seem to be at an impasse: we excel at fine-tuning these models,

If you've spent enough time in the React ecosystem, you'll have likely seen codebases where nearly every function is wrapped with useCallback and the computed value is wrapped with useMemo. The reason

In July 2025, a Claude Code recursion loop burned between 16,000 USD and 50,000 USD in five hours. There was no crash or error, just agents doing exactly what they were told, indefinitely, because nob

My first AWS bill was $23,000. I had been working at the company for three weeks. Nobody told me. The bill just grew quietly in the background while I was proud of the feature I shipped. A Lambda func

For the last few years, Large Language Models have been impressing researchers with their ability to generate text, answer questions, translate languages, and perform tasks they had never been explici

Learn how how to build a fully autonomous, self-healing CI/CD pipeline from scratch with a new course we just posted on the freeCodeCamp.org YouTube channel. Farzeen Ali developed this course. In this

Cities ranked on population, age, UNESCO status, and more! Give it a try on https://citytcg.com/ !!!

Hey all, I kept collecting tiny single-purpose menu-bar apps. One to keep my Mac awake, one for my hosts file, one for focus-follows-mouse. My menu bar slowly turned into a mess. So I built Quiver: one menu-bar icon that holds a bunch of small utilities you can flip on and off individually. Free, open source, no account, no telemetry, pure Swift/AppKit, stays out of the Dock. It bundles five right now: Follow Focus: focus-follows-mouse, so the window under your pointer raises and focus...

I make iOS apps, and Apple Search Ads has always been the most frustrating part of growth for me. The platform has basically zero automation — you can only create campaigns and change bids by hand, one at a time, in their dashboard. The "correct" way to run ASA is one keyword per campaign with exact match, because then you can see exactly which keyword makes money instead of everything being blended together. But nobody does this, because managing dozens or hundreds of separate campa...

Recently I got my new desk and I started to customize things, so I made this Dock app + Rust based engine( I used cursor for the app since I'm not much into kotlin), the app is built like a standby Dock which can provide me quick access buttons based on what app is opened. It also changes the lights of my setup based on what kind of task I am doing( it identifies the tasks automatically) + recently I added voice command feature to this to do basic commands like opening things, playing music sear...

This is a niche social network for founders. What are your thoughts on fl1p ?

Hi Everyone I created a small Python project that takes the cronjobs on the system and converts them into an ICS file which can be used as a subscribable calendar. I thought i should post it, as someone might like it or have some use for it. It might not be perfect, but I had a problem and thought I should try to create a solution A few notes It has not been tested on multidevice setup (I do not have another device) It has not been tested on Mac (I do not have one) I am working on ...

Hey, I'm Fernando, the solo dev of a community app called Acid . I believe that Reddit and Discord are great, but neither of them was built for the way people like to express themselves. Reddit is mostly text-first and visually flat. Discord is great for chat, but treats long-form content as an afterthought, and Tumblr's tools have stagnated. Acid is an app that respects how people actually want to share. with customization, post types, and tools that make text feel like a creative artifact...

Hey folks, wanted to share a pretty big lesson I learned recently. I launched a "content toolkit" a few months back – URL shortener, caption generator, storefront. Seemed like a solid idea for creators. Got traffic, which was exciting. But then I saw the data: most of the URL shortener usage was straight-up spammers. And the actual users? They'd sign up, try one tool, and just... leave. Zero stickiness. It hit me: I wasn't solving a problem *I* felt. I was building what I *though...

adhd. my issue was never todo lists, i have like 6 half dead ones. its the part where i stare at the thing for 3 hours and dont start. so i made something stupid simple called tinystart. you type what youre putting off (ex "do my taxes"), it gives you a first step thats almost embarrassingly small ("put all the papers in one pile"), and starts a 2 min timer. you finish that, it gives you the next step. thats it. trying hard not to build another app people delete in a week...

I made a free little tool called RepoGrade that gives any public GitHub repo a score from 0 to 100. It looks at things like the README, setup instructions, screenshots, tests, CI, license, env examples, repo metadata, and general project health. It doesn't try to judge whether your code is amazing or whether the idea is good but it's a deterministic quick check for if your repo looks trustworthy/understandable and has all the things a good repo should have. I built it because I kept seeing t...

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Hey all , I'm a solo (student) founder and I've been building this over my summer break, so I'd really value some honest feedback rather than just "looks cool." The problem I kept hitting: turning one long YouTube video into short clips for TikTok, Reels, and Shorts takes hours. Scrub for the good moments, cut each one, caption it, reformat for each platform, then post on each one separately. Every single upload. It's the most tedious part of creating, and it's why most people post s...

Hey everyone, I’m validating a physical product idea aimed at busy adults who want to try a new analog hobby (like bookbinding or desktop aquascaping) but get stuck in the "research gridlock" of buying gear across multiple websites. The Concept: Good Quality, high-aesthetic, one-time purchase Starter Boxes. No monthly subscription mess. Includes only the essential high-end tools, raw materials, and a step-by-step roadmap to pick up the hobby and give it a go. This idea cam...