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MS Dev Blog

  • Knowledge cutoff is a poor proxy for model capability

    A model can fail on features released before its knowledge cutoff, then succeed on ones released after it. We tested hundreds of product changes and found that the date tells you far less than the work does.

  • Your AI coding agent evaluation is only as good as its sandbox

    Your AI coding agent passed the eval. But did the model know the answer, or did it find it somewhere on your machine? A correct answer can still invalidate your measurement.

  • Build an interview coach app with the GitHub Copilot SDK

    An interview coach has to do more than ask questions. It needs to read a resume, follow up on an incomplete answer, and save enough context to give useful feedback at the end. Some of that work is conversation. Some of it requires calling an application service. The GitHub Copilot SDK lets you use the...

  • Your work might not need the smartest model

    The smartest model can cost five times more and deliver the same result, or even a worse one. See how evaluating your own work helps you get more value from your agent budget.

  • Start here: Azure SQL Foundations series

    Most developers I talk to aren’t asking whether Azure SQL Database can handle their next app. They’re asking where to start when it comes to modernization, migration, and AI in the database. If you’re reading this, you’re probably in a similar boat: you’ve got an existing schema or databases, a scaling question you haven’t had...

JetBrains Blog

  • Continuing to Move PHP Open Source Forward

    A year ago, we introduced the first wave of PhpStorm’s open-source sponsorships. We truly believe in the power of open source and the importance of it to the PHP community, and so we want to do our bit, too. Each year, we pick five open-source projects to sponsor for a whole year. Our goal is...

  • Designing the Kotlin Multiplatform and TeamCity Integration

    In this post, I’ll share how we designed and built the new TeamCity integration for Kotlin Multiplatform. Our guided onboarding helps KMP developers building for iOS go from their first Git push to a tested build, a TestFlight release, and a fully automated pipeline, all within their IDE. Making iOS publishing approachable Publishing an iOS...

  • Small Talk With Prasun Kumar, CEO and Founder of Oppex AI

    What is Small Talk? Small Talk is our short Q&A with founders from the JetBrains Startup Program. They answer a handful of questions in their own words about what they’re building, why they started, and what they’ve figured out along the way. No pitch, no polish – just a two-minute read to meet the person...

  • 100 Exercises to Learn Rust, Updated

    100 Exercises to Learn Rust is our adaptation of Mainmatter’s course of the same name, written by Luca Palmieri, Principal Engineering Consultant at Mainmatter, and it has just received its biggest update since we released it a year ago. Palmieri has been writing Rust since 2018, first at TrueLayer and then at AWS, and he...

  • Code Quality Q&A With the JetBrains Qodana Team

    Code quality is shaped by countless decisions, from how developers manage complexity to how quickly they detect regressions. But common concepts such as technical debt, cognitive complexity and unit testing are not always clearly understood. In a new code quality Q&A session, we asked members of the Qodana team to answer some frequently searched questions...

Stack Overflow Blog

  • Professional skepticism is a dev’s best skill

    Ryan chats with David Burns, Head of Developer Advocacy and Open Source at BrowserStack, about the value of professional skepticism in an AI-driven world, applying test-driven development to agentic engineering, and why fixing flaky tests comes down to managing application state.

  • Multiplayer AI: Why your team (and its agents) need a group chat

    Ryan chats with the GM of Slack, Rob Seaman, about how their new Code Channels feature is bringing multiplayer AI to your team chats.

  • Haters think AI agents can't write GPU code? This'll ROCm

    Ryan chats with Anush Elangovan, VP of Software at AMD, about ROCm's open-source unified toolchain for GPUs, how agentic AI is drastically lowering the barrier to entry for low-level hardware programming, and the rapid convergence of software and hardware development timelines.

  • The AI magic words

    Ryan sits down with Tim O'Reilly, founder and CEO at O'Reilly Media, to talk about the role of books as user interfaces to knowledge, the power of "magic words" to extract better outputs from AI, and why human taste is becoming highly valuable as knowledge becomes a commodity.

  • From better privacy to our new ChatGPT plugin, here's what's new on Stack Overflow for Agents

    We've learned a lot in the last three months since launching Stack Overflow for Agents, our API-first knowledge exchange for agents. Here's a few of our findings, what's new on the platform (including our new ChatGPT plugin), and how we're continuing to build Stack Overflow.