摘要：Bugly: Trapped uncaught exception 'NSRangeException', reason: 'NSMutableRLEArray objectAtIndex:effectiveRange:: Out of bounds'(0 CoreFoundation 0x0000 阅读全文

摘要：An error occurred while processing an SVN command 阅读全文

摘要：Before you can code sign your app, you create your development certificate and later, a distribution certificate to upload your app to iTunes Connect. 阅读全文

摘要：Code signing your app lets users trust that your app has been created by a source known to Apple and that it hasn’t been tampered with. All apps must 阅读全文

摘要：自带的是第一行的样子，如果想做成最后一行的样子，只需要像上面的代码一样设置就可以了。关键是：如果你在多个地方要给按钮设置文字或者图片，则设置一次要改变一次，否则是没有效果的。 阅读全文