cURL Error Code: 7 cURL Error Message: Failed to connect to 127.0.0.1 port 9200: Connection refused cURL Error Code: 7 cURL Error Message: Failed to connect to 127.0.0.1 port 9200: Connection refused
想开发一些运行在 OS X 上的软件,已经基本熟悉了Objective-C的语法。请问可以直接开始学习 OS X 的开发么?还是要先学学 iOS 开发?