在 Java 后端求职竞争日益激烈的今天，许多开发者陷入一种“高投入、低回报”的困境： 刷了上千道 LeetCode，却在系统设计题前哑口无言； 背熟了 JVM 内存模型、线程池参数、MySQL 索引原理，却被面试官一句“你为什么这么用？”问得措手不及； 能复述 Spring ...

Get started with Java streams, including how to create streams from Java collections, the mechanics of a stream pipeline, examples of functional programming with Java streams, and more. You can think ...

Redis has disclosed details of a maximum-severity security flaw in its in-memory database software that could result in remote code execution under certain circumstances. The vulnerability, tracked as ...

Abstract: Various software libraries and frameworks provide a variety of APIs to support secure coding. However, misusing these APIs can cost developers tremendous time and effort, introduce security ...

Need more villagers for your survival world? In this tutorial, you’ll learn how to build an easy villager breeder farm in Minecraft 1.21+, fully working in both Java and Bedrock Edition. This design ...

Learn how to build the easiest spider spawner XP farm in Minecraft 1.21+. This design works in Java and Bedrock Edition, and is perfect for survival players who find a cave spider or regular spider ...

ut-spring-data-redis-react-todomvc ut-spring-data-redis-react-todomvc Public tut-spring-data-redis-react-todomvc tut-spring-data-redis-react-todomvc Public tut-spring ...

多个业务系统，共用一个redis，还是应该分开。规划好key，特别是前缀，a.b.c.d 如果缓存数据变大了，就可以分区，但注意按业务垂直拆分，避免 key 的冲突。 一般小公司研发团队都是需要申请缓存资源直接得到对应的 ip 地址，但大公司最多只能得到key/token。

Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime. Java ...