标签：#AR

Here's how to find out whether you're charging your Apple mobile devices at top speed.

The right desk gadgets can help you reduce clutter, stay focused, and add a little extra convenience to your day.

Baking sourdough bread is inherently old-fashioned, relying on natural fermentation and wild yeast instead of the simple, predictable commercial stuff. So it might sound anathema to bring a gadget into the mix. The trick to the Sourdough Sidekick - backed and branded by King Arthur flour - is that it promises to automate the boring […]

Before Keurig, the coffee in your office was almost certainly terrible. Old, burned, made by someone who would rather poorly eyeball than properly measure. Just altogether gross. After Keurig? You could make your own coffee, a cup at a time, exactly when you needed it. The single-cup brewer was an elegant solution to an extremely […]

It's good to know how long your phone will get updates before you purchase.

With AI igniting an investor frenzy, more startups are achieving unicorn status every month.

I’ve spent thousands of dollars over the years on smart home gear. Like many tech enthusiasts, I started with the usual suspects: smart bulbs, plugs, sensors, voice assistants, and eventually more “advanced” hubs. Every time, the marketing promised intelligence. Every time, I got glorified timers and motion detectors wearing a fancy label. After multiple attempts, I’ve reached the same conclusion many others quietly reach: most “smart home” products are not smart. They are automated, and there’s a massive difference. What “Smart” Actually Means A genuinely smart home system should do three things well: Understand context. Not just that a door opened or motion was detected, but why and what it means right now. Integrate devices meaningfully. Devices shouldn’t just talk to each other; they should share rich, semantic information so the system can reason across them. Be predictive and proactive. It should anticipate needs based on patterns, current state, and human behavior, instead of waiting for a trigger. Current systems almost never do any of these at a level that feels intelligent. The Core Problems (From Someone Who Actually Tried) Take a simple example: the dishwasher. A basic automation might detect the door was opened and then closed, then start the cycle. But it has zero idea whether: Dishes were actually loaded Someone was just checking if the cycle finished More dishes are coming in 30 seconds The person is about to run a quick rinse first The same gap appears everywhere: Lighting at night. The system doesn’t know if you just got up to use the bathroom, you’re wide awake working, or there was an emergency. It just sees “motion after 11 p.m.” and either blasts you with light or leaves you in the dark. Multi-person households. One person’s preference for dim evening lighting conflicts with another person’s need for bright light. Guests have no idea how anything works and accidentally trigger routines. “I’m just doing a quick house tour” vs. actual activity. T

I'm probably not the only one who checks every few months whether a GPU alternative has finally shipped, mostly so I can cancel a few subscriptions. Nobody doubts it's physically possible or that people have tried. The real question is why it hasn't actually happened, and the answer is economic and structural, not technical. GPUs are not uniquely ideal. They're uniquely general LLM workloads are dense matmul, high parallelism, memory-bandwidth-bound compute. GPUs handle this well but weren't built for it specifically. An ASIC purpose-built for transformer inference should beat a GPU on perf-per-watt and perf-per-dollar, and in narrow slices, it already does: Groq's LPU beats GPUs on single-stream inference throughput for models that fit its architecture Cerebras' WSE cuts interconnect overhead by putting the whole model on one wafer Google TPUs have run production workloads for years and are now sold externally via GCP So specialized hardware can win, sometimes even in production. The real question isn't whether something can beat a GPU, it's why none of these have dented Nvidia's share. 1. The capital barrier Custom silicon needs hundreds of millions in NRE cost, access to TSMC's leading-edge nodes with multi-year allocation queues, and several iterations before a design is commercially viable. That caps the field to hyperscaler balance sheets or venture funding measured in billions. The barrier isn't just the chip either. CUDA, the surrounding tooling, and production pipelines took a decade of capital and engineering to mature, and matching that means rebuilding all of it, not swapping a part. That's a second capital sink on top of the silicon itself. There's also a timing risk specific to fixed-function silicon: if the underlying model architecture shifts significantly, an ASIC taped out for today's transformer variant can become dead weight, while a GPU just needs a software update to run whatever comes next reasonably well. That risk hasn't actually played out,

The Evolution of Junior Developer Roles in the Age of AI In the tech industry, a pressing question has emerged: Is the role of junior developers disappearing? With the rapid advancement of artificial intelligence (AI), particularly generative models like ChatGPT, there's growing concern about the future of entry-level software development jobs. While some predict a decline, the reality is more nuanced. AI is transforming these roles, not eliminating them, creating new opportunities for junior developers who adapt to the changing landscape. TL;DR AI advancements are reshaping junior developer roles rather than removing them. AI tools reduce the need for routine coding tasks but create opportunities for those focusing on higher-order skills like problem-solving and collaboration. Junior developers should embrace AI tools to enhance creative problem-solving. Companies must adapt talent strategies to nurture junior developers for future senior roles. The Transformation of Junior Developer Roles AI's Impact on Routine Coding Tasks Artificial intelligence has significantly automated routine coding tasks. AI models, such as ChatGPT, can generate code snippets, debug errors, and optimize performance. This capability shifts junior developers' focus from these tasks, traditionally a large part of their responsibilities. Code Generation : AI can produce boilerplate code, reducing the time spent on repetitive tasks. Error Detection : AI-driven tools identify and propose fixes for common coding errors, streamlining debugging. Performance Optimization : AI algorithms can automatically enhance code efficiency, which previously required manual intervention. Changing Nature of Junior Developer Roles The employment rate for junior developers aged 22-25 has declined nearly 20% from its peak in 2022. This trend indicates a shift in how entry-level positions are perceived and utilized within tech companies. With AI handling routine tasks, the role of a junior developer is evolving to em

Chemicals from accidents that injured or killed people increased by nearly 50 percent in recent years.

Don’t suffer the buffer. These WIRED-tested home routers will deliver reliable internet across your home, whatever your needs or budget.

The heat of the Hadean may have come from impacts as well as the interior.

This massive 85-inch model is highly customizable but jaw-droppingly expensive.

Eight Sleep’s Pod 5 is great at its job, but its job is also watching you sleep.

Modern C# Features: A Deep Dive into Records, Pattern Matching, Async, and Performance A practical guide to the C# language features that have reshaped how we write .NET code — records, pattern matching, async/await improvements, nullable reference types, LINQ enhancements, Span<T> , and performance optimizations. Table of Contents Introduction Records Pattern Matching Async/Await Improvements Nullable Reference Types LINQ Enhancements Span<T> and Memory<T> Performance Optimizations Quick Reference Table Conclusion Introduction C# has evolved significantly since C# 8. Each release (9, 10, 11, 12, 13) has focused on three consistent themes: Conciseness — write less boilerplate to express the same intent. Safety — catch bugs at compile time instead of runtime (especially around null ). Performance — give developers low-level control without leaving the managed, safe world of .NET. This guide walks through the features that matter most in day-to-day development, with working code examples you can drop into a dotnet run project. 1. Records Introduced in C# 9 , record types give you immutable, value-based data models with almost no ceremony. Why records exist Before records, representing an immutable data object meant hand-writing a constructor, Equals , GetHashCode , ToString , and often a With -style copy method. Records generate all of this for you. // Before: a "plain" immutable class public class PersonClass { public string FirstName { get ; } public string LastName { get ; } public PersonClass ( string firstName , string lastName ) { FirstName = firstName ; LastName = lastName ; } public override bool Equals ( object ? obj ) => obj is PersonClass p && p . FirstName == FirstName && p . LastName == LastName ; public override int GetHashCode () => HashCode . Combine ( FirstName , LastName ); public override string ToString () => $"PersonClass {{ FirstName = { FirstName }, LastName = { LastName } }} " ; } // After: the same thing as a record public record Person ( stri

We have all been there. You walk into a room full of tech enthusiasts, the ambient noise is humming...

Hello, everyone. When listening to a conversation, we naturally keep track of who is speaking. A program has a harder job: beyond finding speech, it must also determine where one speaker gives way to another. Today, I will use an ONNX version of Pyannote Segmentation 3.0 to detect speaker changes in a two-person conversation and split the recording into one WAV file per utterance. What I Tested This lab uses FFmpeg to decode a roughly 14-second conversation into a 16 kHz mono waveform. It then combines the Pyannote segmentation model with simple post-processing to produce contiguous speaker segments. I wanted to verify: Whether six alternating utterances can be separated into six segments Whether the detected speaker indexes remain consistent throughout the recording Whether ONNX Runtime can process the audio faster than real time using only its CPU execution provider Whether every segment can be saved as a separate WAV file The complete code and reproducible environment are available in the pyannote-scd lab in kiarina/labs . This test performs segmentation using the model's speaker indexes. It does not compare speaker embeddings or run clustering, so it is not a complete speaker diarization pipeline that identifies the same person throughout a long recording. Reproducing the Lab You will need: mise uv FFmpeg curl The following commands fetch only this lab, download the shared test audio, and run it: git clone --depth 1 --filter = blob:none --sparse \ https://github.com/kiarina/labs.git cd labs git sparse-checkout set .gitignore .mise/tasks Makefile mise.toml \ 2026/07/04/pyannote-scd make download-test-assets mise -C 2026/07/04/pyannote-scd run On the first run, the task downloads the full-precision onnx/model.onnx file from onnx-community/pyannote-segmentation-3.0 on Hugging Face. uv then prepares the Python dependencies and runs the detector. How Speaker Segments Are Detected The input is this shared test asset: assets/mp3/conversation_2speaker_14s_16k.mp3 The re

🧠 Building CogneeCode - AI Developer Memory Assistant The Problem Every developer faces the problem of lost context. "Why did I make this decision 3 months ago?" "How did I fix this bug last week?" Current AI tools forget everything between sessions. This is a real problem that wastes hours of developer time. My Solution CogneeCode is an AI developer memory assistant that builds a permanent knowledge graph using Cognee Cloud . It remembers every decision, bug fix, and code context you give it. What It Does ✅ Log architectural decisions with tags and context ✅ Log bug fixes with error messages and solutions ✅ Ask natural language questions about your codebase ✅ Get answers with evidence citations from the knowledge graph ✅ Semantic search across all memories ✅ Visual timeline of all decisions and bug fixes ✅ Analytics dashboard showing memory insights ✅ Knowledge graph visualization Tech Stack Backend: Flask (Python) Memory Layer: Cognee Cloud LLM: Groq Llama 3.3 Frontend: Vanilla HTML + CSS + JS Icons: Tabler Icons Cognee Cloud APIs Used remember() - Save decisions and bug fixes with metadata recall() - Natural language queries with evidence citations search() - Semantic search across memories visualize() - Knowledge graph visualization improve() - Memory graph enrichment forget() - Remove outdated memories Why This Matters When you return to a project after months, all your reasoning and solutions are still there, searchable in natural language. No more "Why did I do this?" or "How did I fix this bug?" Demo Watch the video: https://youtu.be/TNcBIBuPW7c Links 🔗 GitHub: https://github.com/JOSESAMUEL14/cogneecode 🔗 Live Demo: https://josesamuel.pythonanywhere.com AI Assistance Disclosure Built with assistance from Claude and Gemini AI. Built for WeMakeDevs x Cognee Hackathon 2026 Category: Best Use of Cognee Cloud ⭐ Star the repo if you find it useful!

Artificial Intelligence has changed the way we write software, but one thing has become clear: AI is a collaborator, not a replacement. After using coding assistants for months, I've realized they're best at handling repetitive tasks: Generating boilerplate code Explaining unfamiliar APIs Refactoring existing functions Writing documentation Creating unit tests Finding bugs faster Where AI still struggles is understanding the bigger picture. It doesn't know your product vision, business requirements, or why one architectural decision is better than another. Those are still human problems. The most productive workflow isn't asking AI to build an entire application from scratch. It's treating AI like an experienced teammate that can help with implementation while you stay responsible for the design and direction. The developers who will thrive over the next few years won't necessarily be the ones writing the most code—they'll be the ones asking better questions, validating AI-generated solutions, and combining technical knowledge with critical thinking. AI is changing software development, but it's also raising the value of good engineering judgment. How has AI changed your development workflow? What's one task you now almost always delegate to an AI assistant?

Hello, DEV Community! 👋 Hi everyone! My name is Sulemana Abdallah , and I'm excited to be part of the DEV Community. I'm passionate about software development and enjoy building modern, responsive web applications using: HTML CSS JavaScript TypeScript React Python My goal is to become a skilled Full-Stack Developer and Software Engineer while continuously learning and building real-world projects. I joined DEV to: Learn from experienced developers. Share my projects and progress. Write about what I learn. Connect with developers from around the world. I'm looking forward to growing with this amazing community. Thanks for reading! 🚀