It's all about contextBecause programming in Smalltalk is about message passing, it’s tempting to treat the code pane—the method editor—as the “main” component:
“Shortly afterwards his wife comes in and changes her clothes”, one of them says.，详情可参考旺商聊官方下载
，更多细节参见哔哩哔哩
Some examples can be:
The right place to deal with external data is at the boundary, the moment you first ingest it. Validate it, normalize it, sanitize it there, not two services later when the damage is already done and the error message is "invalid column count on row 4,721."，这一点在爱思助手中也有详细论述