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 Community
dev.to > mdabir1203 > demystifying-harmonyos-next-a-deep-dive-into-the-architecture-arkui-and-distributed-core-15c8

Demystifying HarmonyOS NEXT: A Deep Dive Into the Architecture, ArkUI, and Distributed Core

20+ min ago   (617+ words) Under-the-hood breakdown of Huawei’s “Pure HarmonyOS” SDK for engineers and... Tagged with architecture, mobile, software, systemdesign....

DEV Community
dev.to > jamilxt > ai-agents-failed-to-prove-fermats-last-theorem-then-they-got-a-shared-to-do-list-h0k

AI Agents Failed to Prove Fermat's Last Theorem. Then They Got a Shared To-Do List

22+ min ago   (751+ words) On September 4, Anthropic published something that sounds like a headline from a decade in the future: the first complete, computer-checked proof of Fermat's Last Theorem, written by a team of Claude agents working largely autonomously over 11 days. Thirteen million lines…...

DEV Community
dev.to > framesprite > stop-changing-your-sprite-sheet-to-fix-animation-speed-2ohf

Stop changing your sprite sheet to fix animation speed

14+ min ago   (57+ words) An eight-frame animation does not have a fixed duration. At 8 fps it lasts one second; at 12 fps it... Tagged with gamedev, javascript, tutorial....

DEV Community
dev.to > gesturesynthweld > your-hand-is-a-continuous-signal-a-scale-is-not-that-gap-is-the-whole-problem-2h6l

Your Hand Is a Continuous Signal. A Scale Is Not. That Gap Is the Whole Problem.

34+ min ago   (476+ words) A webcam hand tracker hands you a position, thirty or sixty times a second, as a float between 0 and 1. A musical scale hands you seven notes per octave. Building a browser hand-gesture synthesizer is mostly the work of getting from…...

DEV Community
dev.to > stencilmytattoo > stencil-my-tattoo-turning-tattoo-references-into-printable-stencil-drafts-with-ai-4jji

Stencil My Tattoo: Turning Tattoo References into Printable Stencil Drafts with AI

47+ min ago   (23+ words) Designing a tattoo is not only about finding a beautiful reference image. The harder part is turning... Tagged with showdev, ai, webdev, sideprojects....

DEV Community
dev.to > joyrswd > ai-development-rules-needed-regression-tests-too-9f

AI Development Rules Needed Regression Tests Too

45+ min ago   (1570+ words) I had already reached an uncomfortable conclusion: Giving an AI coding agent better instructions was not enough. The repository became more consistent. The agents behaved better. And then I ran into another problem. How did I know the rules were…...

DEV Community
dev.to > gde > beyond-clean-architecture-the-iceberg-pattern-for-real-time-flutter-apps-with-blocsignal-3l84

Beyond Clean Architecture: The Iceberg Pattern for Real-Time Flutter Apps with BlocSignal

47+ min ago   (36+ words) Discover why Uncle Bob's Clean Architecture breaks down in real-time cloud apps, and learn how the Iceberg Pattern pairs synchronous signals with screen facades for 0ms optimistic UI. Tagged with flutter, dart, architecture, statemanagement....

DEV Community
dev.to > rulestack > documentation-audit-or-commit-gate-three-postures-for-claudemd-and-agentsmd-and-where-each-5892

Documentation, audit, or commit gate: three postures for CLAUDE.md and AGENTS.md — and where each one stops

1+ hour, 5+ min ago   (939+ words) A reader asked, at the end of an unusually good comment on one of our CLAUDE.md posts: "The bigger question for me is: should agent instruction files eventually be treated less like documentation and more like executable configuration—with…...

DEV Community
dev.to > gmazzeigraf > mockme-instant-mock-apis-when-the-backend-is-not-ready-yet-439d

MockMe: Instant Mock APIs When the Backend Is Not Ready Yet

54+ min ago   (568+ words) The frontend is ready. The mobile app is waiting. The contract is agreed. And the real API is still "next sprint." You have seen this movie. You either hard-code fixtures, spin up a local JSON server, or wait. None of…...

DEV Community
dev.to > mohan_kumara_2bcdc61f495 > the-beginning-of-my-competitive-programming-journey-ljb

The Beginning of My Competitive Programming Journey

1+ hour, 7+ min ago   (189+ words) I've decided to take competitive programming seriously. I've been practicing DSA for a while, but I realized that solving problems casually and actually solving them in a contest are two very different things. So I decided to start participating in…...