RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from ...

While software can sync files and folders for you, it's often limited in scope. Learn how a PowerShell script can help you build a custom solution.

MCP（Model Context Protocol）的设计思路很简单：把工具们的「说明书」塞进 Claude 的 context window，然后让模型决定要不要用，怎么用。 假设你有 100 个工具，每个工具定义占 150 tokens. 然后还没开始干活，context 就被占了 15,000 tokens 了。