目录一、使用场景1. 缓存或惰性计算2. 线程安全同步3. 调试与日志记录二、核心原则1. 物理 vs 逻辑常量性2. 不可滥用的情况三、最佳实践1. 明确标记可变状态2. 与线程安全配合使
I\'ve been working on creating a form that submits content into my database but I decided that rather than using a drop down menu to select the date I\'d rather use a textfield. I was wondering what c