Beginner Developer Builds Chrome Extension for Offline Content Analysis

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A web development learner has created Content Analyzer Pro, a Chrome extension designed to analyze written content without relying on external platforms. The tool offers features including word count, keyword density, readability insights, dark mode, and TXT export. Built using Manifest V3, HTML, CSS, and vanilla JavaScript, the project gave its creator hands-on experience with Chrome's storage API and debugging techniques. The source code has been published on GitHub, and a dedicated landing page explains the extension's features. The developer describes the project as part of an ongoing learning journey in SEO and Chrome extension development.

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Android developers get updates to ConstraintLayout, Firebase, Intercom, and Auth0 SDKs

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ProgrammingDEV Community ·

Journeymen fixes three pipeline bugs affecting job visibility and reliability

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Developer finds Uniswap v3 TVL overstated by up to 25x due to virtual reserve bug

A software developer discovered a critical bug in their paid DEX data API that caused Uniswap v3 total value locked (TVL) figures to be overstated by as much as 25 times the actual amount. The error stemmed from using virtual reserves — mathematical constructs that describe liquidity curve shape — instead of real token balances held by the pool contract. For example, one WETH/USDC pool on Base was reported at $2.84 billion TVL when actual on-chain balances showed roughly $111 million. The developer has since corrected the implementation to separately report real custody balances for TVL and virtual reserves for trade depth calculations. The incident also highlighted the inadequacy of basic API response-shape testing, prompting the addition of magnitude checks and cross-source validation.

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