This directory contains my collection of SQL puzzles. I hope you enjoy these puzzles as much as I have enjoyed creating them! To get started, open the Advanced SQL Puzzles Markdown.md. ⌨️ The ...

Three real-world Analytical SQL quests for a video game retail store — featuring PIVOT, LAG, MATCH_RECOGNIZE, and Recursive CTEs to solve inventory velocity, customer journey mapping, and used-item ...

This week’s cybersecurity recap covers Firefox and Chrome bugs, EDR-killer tools, a TV botnet, an OpenBSD flaw, Android ...

and t2.occurtime>'2007-01-01' and t2.occurtime<'2007-01-02' 378 bytes sent via SQL*Net to client 503 bytes received via SQL*Net from client ...

The hunt is on to find protections against the coming generation of adaptive AI worm malware in order to head off a global incident on the scale of other famous worm events, such as NotPetya, Stuxnet, ...

FortiBleed targeted 430,000 FortiGate firewalls with sniffers and brute-force pipelines that identified over 110 million ...

Learning to program in C on an online platform can provide structured learning and a certification to show along with your resume. Learning C can still be useful in 2026, especially if you want to ...

An estimated one billion persons live with disabilities, of which 80% live in developing nations, where infirmity and disabilities are real drivers of exclusion and poverty. The WHO estimates that, ...

Fable 5 是过去半年最受市场期待的模型，而在真正发布之后，它又迅速成为“最具争议”的模型。除了安全禁令外，它的使用体验反差也相当明显：在一些任务里，Fable 5 ...