Smart-Marker-Plugin Browser Extension Promises Instant Bookmark Search and Retrieval

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A developer has released smart-marker-plugin, an open-source browser extension aimed at solving the common problem of lost or hard-to-find bookmarks. The tool allows users to instantly filter and locate any previously saved URL regardless of how long ago it was bookmarked. The project is publicly available on GitHub under the username pabli44. It targets users who accumulate large numbers of saved links and struggle to retrieve them efficiently.

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Python Tool Lets Crypto Users Scan and Revoke Risky ERC-20 Token Approvals

Every DeFi interaction on platforms like Uniswap requires users to grant ERC-20 token allowances, which permit smart contracts to spend wallet funds — often in unlimited amounts. Over time, these accumulated approvals create a security vulnerability, as a compromised contract with an active allowance can drain a wallet without requiring the owner's private key. A developer tutorial published on DEV Community walks through building an automated allowance scanner using Python and the Web3.py library. The tool queries Etherscan's API to retrieve all past approval events for a given wallet address, then classifies each by risk level based on factors like unlimited spend limits or unverified spender contracts. It also generates ready-to-sign revocation transactions that set allowances back to zero, helping users regain control of their on-chain permissions.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Next.js Streaming and Suspense Eliminate Blank-Screen Waits in SSR Apps

Traditional server-side rendering forces browsers to wait until all data is fetched before displaying any content, causing slow components to block the entire page. Next.js App Router addresses this by combining React Suspense with HTML streaming, allowing fast UI sections to render immediately while slower data fetches continue in the background. Developers isolate slow components as independent async Server Components and wrap them in Suspense boundaries with lightweight skeleton fallbacks. This approach significantly improves Time To First Byte and First Contentful Paint, making applications feel more responsive to users. The technique effectively decouples slow backend queries from the overall frontend rendering pipeline.

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ProgrammingDEV Community ·

CQRS Pattern in Laravel Separates Read and Write Logic for Better Scaling

As Laravel applications grow in complexity, controllers tend to become bloated by mixing data mutation and data retrieval logic in the same flow. CQRS, or Command Query Responsibility Segregation, is an architectural pattern that strictly separates write operations (Commands) from read operations (Queries). In practice, Commands handle state changes through transactional database writes, while Queries fetch data independently using optimized raw SQL or read replicas. This separation allows teams to scale read and write databases independently and improves overall endpoint performance. Adopting CQRS also makes codebases more modular and testable, and lays groundwork for advanced patterns like Event Sourcing and microservices.

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