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What even is code mode?

Code mode lets an agent write code that calls its tools, instead of calling them one at a time. It was introduced for MCP, but it works for any agent. How Polylane's agent uses it, and what the data says.

tesla

Cybercab Multi-Vehicle Testing at Giga Texas: What the Footage Shows

New timelapse footage captured at Giga Texas on November 4 shows Tesla's Cybercab program operating at a level of complexity that hasn't been visible before. Three separate groups of vehicles are running the outer test loop simultaneously — stopping, reacting to each other, and obeying traffic signals. Here's what the

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More Programming Articles
01

Next.js security update October 2026: what 16.4.1 and 15.5.28 fix

The October 14, 2026 Next.js security update fixes two critical remote code execution bugs and one high-severity denial of service, and the fixed releases are 16.4.1 and 15.5.28. Upgrading next is the main fix, but it isn't the whole check. One of the RCEs lives in sharp, which y…

03

PHP2Shell: how to confirm your PHP server is actually patched

PHP2Shell, the pair of critical PHP bugs fixed on October 21, 2026, is the kind of vulnerability where php -v can mislead you in both directions. A fully patched Ubuntu 24.04 box still says 8.3.6. An updated host can keep serving requests from old workers. And the CLI you ran the…

04

How Go Context Cancellation Actually Propagates, and Where It Stops

Cancelling a Go context doesn't stop anything. It closes a channel and records an error, and that's all. Every goroutine below that point has to notice on its own, at the exact place where it might block. Most context bugs come from code that assumes cancellation is enforced rath…

05

Python 3.15 Lazy Imports: The Startup Win and the Traps

Python 3.15 lets you mark an import as lazy, and for a command-line tool that pulls in heavy modules it can cut startup time to almost nothing. In our test, a small CLI that imports eight standard-library modules dropped from 72 ms to 26 ms to print its version, against 21 ms for…

06

Node 26 LTS upgrade guide: what breaks coming from Node 22 or 24

Node.js 26 is scheduled to become the Active LTS line on October 28, 2026, and it's the last release line under the old twice-a-year model. If you run Node 24 or 22 in production, 26 is the next version worth moving to. The upgrade is mostly painless, but a handful of APIs that w…

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