Articles

Production performance issues rarely arrive politely. Learn how to troubleshoot and optimize your application's performance with this complete backend engineer's playbook.

Observability is a crucial aspect of software development that helps developers understand how their systems are performing. By monitoring, logging, and tracing, developers can gain insights into system health and identify areas for improvement.

The conversation delegation gap is a critical issue in UX design. It occurs when users are unable to effectively communicate their needs and designers are unable to accurately interpret them. Closing this gap requires a deep understanding of conversation design and delegation strategies.

When faced with a complex problem, the fastest solution isn't always the best solution. Great engineers know that asking the right questions is key to finding a more effective solution.

Meet Dominik Václavík, a developer who has been shipping projects for over a decade, from cybersecurity tools at age 12 to Web3 platforms and gaming ventures.

Master Precision@k, Recall@k, MRR, NDCG, and faithfulness scoring are crucial RAG evaluation metrics. Learn how to use them to measure retrieval quality and generation accuracy.

Manual accessibility testing is essential for identifying and fixing issues that automated tools may miss. Learn how to test alt text, focus order, and live regions with real accessibility users.

Discover the best Ethereum payment gateways for 2026 and compare their features, fees, and support for ETH and stablecoins.

When scaling a PostgreSQL project, developers may encounter performance issues. The author shares their experience with PgBouncer, a tool that helped optimize their database.

In this article, we'll explore the concept of lazy initialization in API clients and why it happens even when you don't explicitly call it. We'll also discuss the implications of this behavior and how to handle it effectively.

Every year, millions of Americans receive a cancer diagnosis, but a new approach is rewriting the rules of cancer treatment. OncoDxRx's PGA Assay is using RNA analysis to provide a more accurate and non-invasive way to detect cancer.

When it comes to image formats, the choices can be overwhelming. JPEG, WebP, SVG, and PNG are popular options, but which one is right for you?