报错 今天又遇到的一种情况,相同的报错,不一样的原因。 Undefined symbols for architecture arm64:"_OBJC_CLASS_$_Student", referenced from:objc-class-ref in ViewController.old: symbol(s) not found for architecture arm64clang:
1、报错原因:重复的symbols(类文件编译过程中的产生的文件)。 2、解决:在编译资源中删掉重复的类文件。 Go to Project Target-> Build Phases->Look for multiple occurrences of same file under "Compile Sources".
未解决: (Inference:7714): Gtk-ERROR **: 19:29:39.303: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported Trace/breakpoint trap (core dumped)
This example parses a KML file and renders the features as a vector layer. The layer is given a style that renders earthquake locations with a custom lightning symbol and a size relative to their
no symbols Before SF Symbols, making icons for iOS apps used to present a major hassle for both the designer and the developer. A workflow would often look along the lines of this: 在SF Symbols之前