本仓库（learnxinyminutes-docs）的定位正如 README.md 所描述：将编程语言教程呈现为“有效的、带注释的代码，边展示边讲解”。因此 Kotlin 指南本身就是一个大而全的 .kt 示例文件，下面按逻辑块逐一展开。

After a major upgrade to Brazil, is it safe to use ?., ??, and class in server scripts? The official release notes only state that "more features are available in ES12 mode," without specifying what ...

It is about obtaining information from a server that is provided or that you have set up yourself via the internet. Not only can you fetch data, but you can also (pseudo-)create and delete it. A ...