Specialized search for programming

Curated, developer-focused results

4Programming is a search engine built for programmers. It prioritizes technical relevance by combining multiple indexes, code-aware ranking, and AI systems. Use it to find code examples, documentation, libraries, tools, tutorials, and services — faster and with fewer irrelevant results than general-purpose search engines. Part of the 4SEARCH network of topic specific search engines.

Latest Articles


dev.to > atu_ino_ed473db24d76d234a > japanese-market-data-you-can-actually-use-8-apify-actors-for-scraping-mercari-yahoo-auctions-2i5i

Japanese Market Data You Can Actually Use: 8 Apify Actors for Scraping Mercari, Yahoo Auctions, Rakuten, and More

7+ min ago   (233+ words) If you're building a price comparison tool, a market research dashboard, or an AI agent that needs real Japanese ecommerce data, you've probably hit the same wall: Japan's biggest marketplaces don't have public APIs — or they're locked behind expensive enterprise…...


dev.to > adriens > linking-rome-french-and-european-esco-job-referentials-with-gemma-and-tabpfn-f66

🔗 Linking ROME French and European ESCO job referentials with Gemma and TabPFN

7+ min ago   (288+ words) This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend I built a while set of resources to link together job and skills referentials: 👉 I needed these links as an interoperable dataset to help my students from…...


dev.to > yuvraj_sau_cc057705e86961 > locallens-on-device-privacy-first-ai-browser-automation-extension-kcj

LocalLens — On-Device, Privacy-First AI Browser Automation Extension

31+ min ago   (108+ words) Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝 This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend I built LocalLens, a privacy-first, on-device AI browser extension (MV3) that turns natural language instructions into precise web browser actions…...


dev.to > ohmanand7643 > i-built-a-local-ai-workout-planner-for-my-gym-obsessed-friend-1fac

I built a local AI workout planner for my gym-obsessed friend

31+ min ago   (510+ words) This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend My friend Ritesh is a proper gym guy. He already enjoys lifting and spends a lot of time training, so motivation isn't really his problem. Some days…...


tokenpost.com > news > technology > 26678

zkAPI Keeps Escape Withdrawals Pending During Default 24-Hour Challenge

52+ min ago   (228+ words) Users can leave an Ethereum vault without a server clearance signature. Active notes that expire before closure can be claimed for the treasury. An escape withdrawal from zkAPI remains pending during a default 24-hour challenge period, while active notes that…...


dev.to > 0xgollum > most-people-search-tools-will-sell-you-a-phone-number-thats-actually-masked-garbage-mine-refuses-5ll

Most people-search tools will sell you a phone number that's actually masked garbage. Mine refuses to.

45+ min ago   (211+ words) Free public people-search sites all follow the same pattern: they show you a name, an address, maybe... Tagged with python, webscraping, api. This actor looks up a person by name, phone, email, or address and returns their address history, relatives,…...


dev.to > a14guguliye > performing-linear-regression-using-the-normal-equation-in-most-simplified-version-25mo

Performing Linear Regression Using the Normal Equation in most simplified version

1+ hour, 2+ min ago   (119+ words) I recently wrote a beginner-friendly article about performing linear regression using the Normal Equation. I tried to explain the idea step by step, starting with a simple question: If some coefficients can minimize the prediction error, how can we find…...


dev.to > ferdinandblake3517 > error-tracking-api-guide-choose-4-fastapi-django-saas-rollback-checks-1a29

Error Tracking API Guide: Choose 4 FastAPI Django SaaS Rollback Checks

59+ min ago   (538+ words) Choose a small error-tracking API when the rollback decision depends on searchable exception events, not on traces, replay, or a full monitoring suite. For a healthtech FastAPI service comparing an experiment across tenant cohorts, the deciding constraint is rollback safety:…...


dev.to > saras_growth_space > the-friend-who-doesnt-disappear-1m16

The Friend Who Doesn't Disappear

1+ hour, 1+ min ago   (863+ words) There is a particular kind of loneliness that is difficult to explain. It's not being alone. It's having someone you care about slowly disappear from your life — and realizing that if you stop initiating, checking in, reminding, planning, and asking,…...


dev.to > amrita_kaur_3f89db0bbc946 > building-a-100-private-offline-ready-speech-translator-for-hacktoberfest-2026-46cb

Building a 100% Private, Offline-Ready Speech Translator for Hacktoberfest 2026

59+ min ago   (315+ words) *This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I... Tagged with devchallenge, weekendchallenge, hf26challenge. #what-i-built What I Built I built Speech Translator, a privacy-first, offline-capable web application designed to bridge communication gaps for a loved one....