Slash your OpenAI API costs by 90% and boost speed with Prompt Caching. This hands-on tutorial explains the 1,024 token threshold, the technical hash routing, and how to avoid the common mistake of placing dynamic data at the start of your prompts. Learn to architect LLM requests like a senior developer.
WordPress 7.0 introduces the Client-Side Abilities API, a powerful framework for standardizing interactions between browser agents, AI tools, and the server. Learn how to use the @wordpress/abilities and @wordpress/core-abilities packages, implement JSON Schema validation, and handle permissions properly to build stable, modern WordPress applications without legacy code headaches.
WordPress 7.0 RC1 is officially out, bringing the much-anticipated AI Connectors and Real-Time Collaboration to the core. With over 134 fixes since Beta 5, this release candidate is a massive structural update. Learn how to test the new Connectors API, manage the RTC constant, and prepare your site for the April 2026 launch.
WordPress 7.0 AI features are moving into the final stage before RC1. The latest Contributor meeting highlighted the debate over a global “Off Switch,” the stabilization of the Model Context Protocol (MCP), and the promotion of Image Editing to a core feature. Learn how these architectural decisions impact your site security and performance.
Ship LLM agents with confidence by moving beyond “vibe checks.” This guide covers the three pillars of offline LLM Agent Evaluation—routing, LLM-as-judge, and RAG metrics. Learn how to build a rigorous framework to prevent hallucinations and optimize costs in production environments using senior-level developer best practices.
WordPress has launched the Plugin Directory MCP Server, allowing AI tools like Cursor and Claude to connect directly to the Plugin Directory. This new server enables real-time readme validation, submission status tracking, and direct plugin submissions from your IDE, significantly reducing the manual friction traditionally associated with the plugin repository.
WordPress AI 0.6.0 is here, signaling a major shift from “Experiments” to stable “Features.” With new image editing workflows, a plugin rename, and closer alignment with WordPress 7.0, this update is essential for developers. We dive into the architectural refactor, hook naming changes, and the upcoming C2PA content provenance support.
WordPress.com has launched 19 new “write” capabilities for its MCP integration, allowing AI agents to manage posts, media, and taxonomies. With design-aware updates and strict safety protocols like draft-only defaults and explicit user approvals, these WordPress MCP AI agents are transforming site management from a manual chore into a collaborative conversation.
Stop building models that fail in production. Senior developer Ahmad Wael explains why high accuracy is a trap and how Causal Inference is replacing pure Machine Learning for actionable business decisions. Learn to use the DoWhy Python library to move up the Ladder of Causation and prove your model’s impact.
A senior developer’s guide to the common discrepancy between NumPy and Pandas variance calculations. Learn why defaults differ due to Bessel’s correction (sample vs. population), how to use Delta Degrees of Freedom (ddof) to align your results, and why explicit math is essential for reliable data engineering in Python and R.