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DesenvolvimentoDEV Community

Implementing Dark Mode: CSS Variables, System Preference, and Persistence

Demystifying Dark Mode: The Elegant Path with CSS Variables, System Preference, and Persistence Every modern web application eventually faces the dark mode dilemma. It's no longer just a "nice-to-have"; users expect it, often as a fundamental part of their browsing experience. But how often have you seen dark mode implementations that feel clunky, suffer from a "flash of unstyled content" (FOUC), or completely disregard your OS-level preferences? It's a common struggle, and honestly, it used to

April 7, 2026DEV Community
DesenvolvimentoDEV Community

Xcode 26.5 Beta: What Developers Need to Know

Apple dropped the Xcode 26.5 beta at the end of March 2026, bundled with updated SDKs for iOS/iPadOS 26.5, macOS Tahoe 26.5, and an unusually deep Safari update. While it's not a headline release like Xcode 26.0, it carries some genuinely useful additions β€” especially if your app monetizes via subscriptions. Here's a practical rundown of what changed and what you should care about. StoreKit Gets Serious About Subscription Billing Plans The biggest developer-facing change in Xcode 26.5 is a set o

April 7, 2026DEV Community
DevSecOpsHacker News

LLM may be standardizing human expression – and subtly influencing how we think

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April 7, 2026Hacker News
DevSecOpsHacker News

We found an undocumented bug in the Apollo 11 guidance computer code

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April 7, 2026Hacker News
DevSecOpsHacker News

Are We Idiocracy Yet?

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April 7, 2026Hacker News
.NET.NET Blog

Explore union types in C# 15

C# 15 introduces union types β€” declare a closed set of case types with implicit conversions and exhaustive pattern matching. Try unions in preview today and see the broader exhaustiveness roadmap. The post Explore union types in C# 15 appeared first on .NET Blog.

April 2, 2026.NET Blog
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