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.

Modern business intelligence demands speed, and utilizing AI tools for Excel is the ultimate way to hyper-charge your data workflows this year.

Industry discussions about what’s holding back AI often focus on security, graphics processing unit availability and other ...

Data analysis is no longer a specialist skill reserved for analysts. It now supports finance, trading, ecommerce, marketing, ...

Security tooling is not written in a single language. Python powers most automation. C sits at the exploit layer. PowerShell ...

Effective prompts use four core elements. Start by assigning a role, then give background context, state a clear task with an action verb, and set constraints on tone, length, and format. Skip any one ...

Following backlash in a Hacker News thread, Microsoft deleted a blog post that critics said encouraged developers to pirate Harry Potter books to train AI models that could then be used to create AI ...

Software designer/developer, developer advocate, writer, and musician. Apache Arrow Flight SQL is a protocol layered on Arrow Flight RPC that enables clients to execute standard SQL queries against ...

Every data engineering team right now is being asked the same question: "How do we build a chatbot that talks to our data?" The prototypes are deceptively simple. A developer connects GPT-5.1 to a ...

Following on from my post two weeks ago about how to get the details of Power BI operations seen in the Capacity Metrics App using the OperationId column on the Timepoint Detail page, I thought it was ...

From GPT-5 to GPT-5 Thinking, here's a simple guide to ChatGPT's current models and the tasks they're best suited for.

Creator of SQLNoir - an open-source detective style SQL game that lets you solve real crimes. Like many developers, I've always found traditional SQL tutorials to be tedious. Abstract examples, and ...