September 17, 2025

Web

Shopify successfully migrated its two largest apps, Shopify Mobile and POS, to React Native's New Architecture while maintaining weekly releases and serving millions of merchants. The complex migration followed a three-core-principle approach, utilizing strategies like dual-architecture testing and feature flags to balance progress with merchant needs despite some performance issues.

A comprehensive guide to optimizing frontend performance emphasizes defining clear KPIs and prioritizing a performance-first culture. It covers troubleshooting common issues, such as oversized images and third-party scripts, and provides best practices for implementing fixes, including browser caching and CDN usage, and measuring user experience effectively.

Hacktoberfest 2025 is now open for registration, marking a month-long celebration of all things open source. The event aims to encourage contributions by hosting lively discussions on Discord and satellite sessions worldwide, including hackathons, contests, and prize giveaways. DigitalOcean and MLH sponsor the event, supporting open-source projects and developer communities.

SQL joins are not complex and can be mastered with a simple guide. The article covers four types: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN, each demonstrated with examples to retrieve data from two tables based on common columns. CROSS JOIN generates all possible combinations between rows of two tables.

An architecture diagram for AWS's Intelligent Document Processing sample solution has been criticized for discrepancies between its actual implementation and depicted system, leading to misdirection for inexperienced developers. A revised sequence diagram format highlights accurate interactions and rectifies inaccuracies, prioritizing onboarding and reference purposes over marketing simplicity.

SurrealDB is an open-source, multi-model database developed in Rust that integrates functionalities of various databases, including relational, document, graph, and time series databases. This unification aims to simplify development workflows and improve overall system security by handling diverse data models under one platform, reducing complexity and potential security concerns.

Researchers Thiyagu Palanisamy and Chandirasekar Thiagarajan have developed an AI-assisted approach called "multi-lens" to address the opacity of legacy systems. By reverse engineering UI elements, binaries, and data lineage, they aim to reconstruct functional specifications and enable organizations to turn these black boxes into more transparent blueprints for modernization decisions.

A recent npm supply chain attack compromised private repositories and sensitive information of popular packages with over 2 billion weekly downloads, exploiting phishing attacks, credential harvesting, and self-propagating malware to infect affected packages. SafeDep identified common patterns used by attackers, including 2FA phishing and dormant package targeting, to spread malicious code.

Ask Studio, a new AI chatbot for content creators, analyzes YouTube data to optimize content for the algorithm. It provides insights on video ideas, title suggestions, and viewer sentiment, helping influencers and creators improve performance. This tool marks a shift in YouTube's AI capabilities, aiming to boost viewer engagement while guiding creator content decisions.

Claude 3's integration with Amazon Web Services (AWS) infrastructure is poised to revolutionize enterprise AI adoption, challenging OpenAI's market dominance. This development provides a powerful tool for organizations adopting AI solutions on a larger scale, potentially disrupting the status quo and creating new opportunities for growth and innovation in the AI space.

Roy van Rijn, an experienced developer, optimizes Java weather data parsing from over 4 minutes to under 2 seconds by employing techniques like parallelism, memory mapped files, SIMD, and Graal native compilation. He shares code changes and tricks that led to this impressive performance boost, showcasing a remarkable journey of optimization.

A comprehensive guide to system design concepts is essential for software engineers to handle increased loads and maintain performance. The article introduces 11 key concepts, including scalability, concurrency, consistency, availability, partition tolerance, latency, and databases, providing a solid foundation in system design principles to help readers become better engineers effectively.

Tech debt refers to the financial equivalent of loans, mortgages, or credit card balances, where software developers accumulate unused or underutilized resources that can become a burden. While some tech debt is justifiable, like focusing on critical tasks, others, such as unmaintainable code, can lead to significant delays and increased costs through unnecessary optimizations.

C++ is a powerful and relevant programming language that can be made safer through proper knowledge and tools, countering common criticisms of complexity and memory leaks. Its continued development and adoption in new areas refute outdated claims, while Rust's benefits come with a steeper learning curve and ecosystem costs.

The author reflects on their experience with Large Language Models (LLMs) and Artificial Intelligence (AI), sharing concerns about data accuracy and the future of programming. They emphasize the need for experimentation over predictions, highlighting potential risks like "hallucinations" that can lead to errors and security vulnerabilities in LLMs.

High-performing teams adopt a collaborative approach to OKRs, defining objectives collectively and aligning them with the broader organization's strategy through a shared purpose. This results in a regular cycle of planning, check-ins, and retrospectives that foster ownership and drive real change, leading to stronger commitment among team members.