目录一、Sync.Cond的核心机制基本使用模式二、Signal vs Broadcast：本质差异解析1. 唤醒范围对比2. 底层实现差异三、实战场景深度解析场景1：任务分发系统（Signal的完美用例）场景2：全局配置热更新（Broadcast的典
I have a rectangle of any arbitrary width and height. I 开发者_JAVA技巧know X,Y, width, and height. How do I solve the upper right hand coordinates when the rectangle is rotated N degrees? I realized
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