今日已更新 293 条资讯 | 累计 23876 条内容
关于我们

标签:#tv

找到 75 篇相关文章

AI 资讯

Prime Day has served up several great deals on 4K TVs

There are three times of year that are best for buying a new TV: leading up to the Super Bowl, Black Friday, and of course now, during Amazon Prime Day. Many of the new 2026 models have been released, and while some will be seeing discounts, the majority of the best deals are going to […]

2026-06-24 原文 →
AI 资讯

Unpacking Manifest V3: Chrome’s Big Extension Shakeup! 🛠️

Hey tech family! 👋 If you’ve noticed your favorite Chrome extensions acting a bit differently lately or if you're a developer currently sweating over a massive codebase rewrite you are experiencing the era of Manifest V3 (MV3) . 🤖 Google has officially pushed the web ecosystem forward by deprecating Manifest V2, making MV3 the absolute standard for how browser extensions behave. But why is this happening, what actually changed, and why is the internet so divided over it? Let’s break it all down in plain English! 👇 🧐 What Exactly is Manifest V3? Think of a "Manifest" as the blueprint file ( manifest.json ) that tells the browser exactly what an extension is, what files it uses, and what permissions it needs to run. Manifest V3 is Google's major architectural overhaul of this system. Its core mission sounds great on paper: improve user privacy, beef up security, and boost browser performance . However, achieving those goals meant rewriting the core rules of how extensions interact with your browser. 🛠️ The Biggest Changes & New Features MV3 isn't just a small patch; it fundamentally alters the underlying extension engine. Here are the headline shifts: Goodbye Background Pages, Hello Service Workers! 💤 In MV2, extensions used hidden, persistent background pages that ran 24/7, hogging your computer's RAM even when you weren't using them. MV3 replaces these with Service Workers. They are event-driven meaning they wake up, execute a task (like clicking an extension icon), and go right back to sleep. Hello, free RAM! 🐏 The Ad-Blocker Shakeup: webRequest vs. declarativeNetRequest 🛑 This is the most controversial change. In MV2, powerful extensions like uBlock Origin used the webRequest API to intercept, read, and block network requests in real-time using complex code. MV3 replaces the blocking version of this with declarativeNetRequest . Instead of letting the extension intercept the data, the extension must now hand Chrome a pre-defined list of rules, and Chrome does the b

2026-06-13 原文 →
AI 资讯

The Developer's Guide to Environment Variables and Secrets Management

Why This Deserves More Attention Than It Gets Credential leaks are one of the most common and preventable security incidents in software. Bots actively scan GitHub for newly pushed API keys, database URLs, and private credentials — and they find them within minutes of a commit going public. Rotating compromised credentials is painful, and in some cases the damage is done before you even realize what happened. This isn't just an enterprise problem. It happens on solo side projects, open-source repos, and internal tools at startups. And the root cause is almost always the same: someone treated secrets like regular configuration and didn't have a clear strategy for keeping them out of version control, logs, and error messages. The patterns in this guide aren't bureaucratic overhead. They're the minimum viable approach for any app that talks to a real database or a real API. What Environment Variables Actually Are An environment variable is a key-value pair that lives in a process's environment — a set of values the operating system makes available to any running program. Every process inherits the environment of the process that spawned it. In Node.js, you access them through process.env : const port = process . env . PORT ; const dbUrl = process . env . DATABASE_URL ; In Python: import os port = os . environ . get ( ' PORT ' ) db_url = os . environ . get ( ' DATABASE_URL ' ) The core idea — and the reason env vars are the standard approach — is that they decouple what the app does from where it runs . The same application code can point at a local development database or a production cluster. The code doesn't change; only the environment does. This is the heart of the 12-Factor App principle: store config in the environment, not in the code. The .env File: What It Is and What It Isn't In local development, you don't set environment variables by hand before every terminal session. Instead, you use a .env file — a plain text file at the root of your project with one key

2026-06-08 原文 →
开发者

JMGO’s N3 Ultimate projector is the new portable 4K champ

Sorry Anker: JMGO now makes my favorite flagship portable projector. The N3 Ultimate is an excellent portable 4K projector that defeats moderate ambient light at severe placement angles and can rival more expensive home theater installations at night. After a few weeks of testing, I think the raw adaptability exhibited by the JMGO's N3 Ultimate […]

2026-06-07 原文 →
AI 资讯

Gone in 60 minutes

It should have been the final straw. The new power couple of editorial failure - Bari Weiss and Nick Bilton - had fired legendary 60 Minutes journalist Scott Pelley. Why? Because he dared to question the fact that CBS had installed sycophants in its top ranks. Instead of standing in solidarity, correspondents Lesley Stahl, Bill […]

2026-06-06 原文 →