Noticias Tech

An article published on July 23, 2026 by Filip Roséen revisits the null colon, a shell command that does nothing but discard its own result. The trick lets you validate required arguments, assign default values, and truncate files in a single line, a practice that dates back to Thompson’s shell in 1971.

ESP32 Plane Radar turns an ESP32-C3 into an ADS-B plane radar with a 1.28-inch round display. The latest fork adds flight routes, local weather, and authenticated OTA updates via the browser.

Designer Anatoly Zenkov documented how button text (“Accept All,” “Continue with Facebook,” “Subscribe”) gets copied and pasted between sites without ever being redesigned. The phenomenon has concrete technical roots: consent frameworks, OAuth SDKs, and design systems with default text.

AMD and Meta ported PyTorch Monarch, the single-controller runtime for distributed training, to Instinct GPUs with ROCm. The system isolates failures by actor and lets the cluster keep training even if a node goes down, without restarting the entire job.

The Fedora 45 pipeline connects dist-git, Koji, Bodhi, and Pungi to turn a commit into ISOs, cloud images, and containers. This article explains how each piece works, with real commands for packagers.

An ADB maintainer at Google suggested restricting the protocol’s local connections to curb bad actors, a change that would hit Shizuku and any app built on libadb hard. It’s not an official decision yet, but the developer community is already reacting on the Issue Tracker.

A developer documented on his blog why it’s getting harder to sustain an hour of real focus while coding. He identifies interactive chat with LLMs as a new source of fragmented attention and proposes concrete measures to reclaim blocks of deep work.

Universities in the United States have returned to handwritten exams after years of digital assignments, due to the widespread use of generative AI. Neal Stephenson explains in his essay how handwriting engages the brain more, and which fountain pen or rollerball works best for writing a lot without tiring your hand.

Neal Stephenson has spent 25 years composing his novels with a fountain pen on paper and never felt the classic writer’s cramp. His recent essay explains which instrument to use, which paper to avoid, and why the right amount of friction is key, just as schools return to handwritten exams to curb AI use.

Learn WebGPU for C++ is open source documentation that teaches native 3D graphics programming in C++, using the same API that runs inside browsers. It covers Windows, macOS, and Linux with CMake, and lets you choose between the wgpu-native and Dawn backends. The same native code also compiles to WebAssembly with Emscripten.