[CSS Utility Tool] Easily convert px to rem! An HTML tool to check font sizes for h1-h5 at a glance

When building websites, do you ever struggle with whether to specify font sizes in px or rem?In particular, when adjusting font sizes with CSS, you need to calculate the rem value based on the base ...

What a Claude Code Beginner Should Build First: Request Prompt for an Estimation Tool and 3 Checks

Once you have installed Claude Code, let's start by building one "small tool that gives numerical answers."Even when told you ...
HackerNoon

Researchers Decrypt Hidden Chain-of-Thought From OpenAI, Anthropic and Google APIs

Interchangeable encrypted reasoning blocks let attackers decode hidden chain-of-thought and leak PII and credentials from major LLM APIs.
finance.biggo

Resend's Zeno Rocha: 4.3 Million Users, 120,000 Paid Customers, and a Bet That Trusting Senders Beats Jailing Them

Resend, the developer-focused email infrastructure startup founded in Y Combinator's Winter 2023 batch, now powers 4.3 million users and 120,000 ...
learn

Visual Studio Insiders release notes

We're excited to announce the availability of the Visual Studio 2026 November update. This release marks the beginning of a new era for Visual Studio with deep platform integration of AI, stronger ...