java-tutorial - java-tutorial 是一个全面的 Java 教程。如果你还不熟悉 Java 编程，学习 Spring Boot 之前，不妨先学习一下。 spring-tutorial - spring-tutorial 是一个 Spring 实战教程。Spring 是 Spring Boot 的基石，如果想更深入了解 SpringBoot，还是很有必要了解一下 Spring ...

Abstract: Reliable, impermanent connectors are a significant challenge in the development of e-textile devices, needed to increase their modularity, a key factor in their ability to be repaired or ...

We take a closer look at a clever spring-loaded butcher tool, explaining how it works, what it’s used for, and why it’s such a smart design. As mourners gathered to remember an underworld kingpin, the ...

The safety pin is a small domestic object that appears settled and complete, yet it carries a design feature that invites repeated questions. The circular hole at the end of the clasped arm has ...

Build Restful CRUD API for a simple Note-Taking application using Spring Boot, Mysql, JPA and Hibernate. The app defines following CRUD APIs. GET /api/notes POST /api/notes GET /api/notes/{noteId} PUT ...

XRP surged 30% in January 2026 to $2.38, breaking critical $2.28 resistance on 47.6% above-average volume—retail sold at $1.85 while institutions poured $483M into ETFs in December creating classic ...

Abstract: A novel method to design the bandpass-to-bandstop (BP-to-BS) filter is presented in this paper. This method demonstrates that using shunt switches to select bandpass or bandstop mode does ...