Fix the “Login Pool Is Empty and Connection Creation Failed” error with 5 proven solutions for HikariCP, Spring Boot, MySQL, PostgreSQL, JDBC, and database connection pools.

MCP Server（Model Context Protocol 服务器）是让 AI 模型调用外部工具与数据的标准化接口，由 Anthropic 于 2024 年底开源后迅速成为行业标准。截至 2026 年 4 月，Python SDK 在 PyPI 的月下载量已突破 1.64 亿次，公开目录收录的 MCP 服务器超过 20,000 个，OpenAI、Google、Microsoft 相继采纳同 ...

Bintrail is a recently introduced layer that brings point-in-time queries and row-history lookups to MySQL, the only major relational database lacking native temporal querying. Using indexed binlogs ...

CEO Sundar Pichai also says that Google had its ‘strongest quarter ever’ for its consumer AI subscriptions. CEO Sundar Pichai also says that Google had its ‘strongest quarter ever’ for its consumer ...

This piece first appeared at Just Security. As Congress prepares to vote in April on reauthorizing Section 702 of the Foreign Intelligence Surveillance Act (“FISA”), one of the main points of ...

Greg Finn is the Director of Marketing for Cypress North, a company that provides digital marketing and web development. He is a co-host of Marketing O'Clock and has been in the digital marketing ...

OutSystems Developer at Paua, building smarter EV charging solutions. Passionate about SQL, performance tuning, and clean data. It has been almost three years since I began working as an OutSystems ...

Google’s query fan-out technique issues multiple background searches based on initial question. This system is active across AI Mode, Deep Search, and some AI Overview results. The approach relies on ...

AI Overviews drive 10% more queries for searches that show them. Search revenue grew 12% year-over-year. Google processes over 980 trillion tokens monthly. Google’s Q2 earnings show AI Overviews are ...