排序
iOS NSString 查找指定字符串出现的次数
iOS NSString查找指定字符串出现的次数,NSString查找指定字符串,NSString查找指定字符串出现的次数,NSString查找字符串出现的次数,NSString查找字符串次数,
Xcode – The application’s Info.plist does not contain CFBundleShortVersionString
The application's Info.plist does not contain CFBundleShortVersionString
iOS NSString 和 NSArray 相互转换
iOS NSString和NSArray相互转换,iOS NSString和NSArray转换,NSString和NSArray转换,NSString转NSArray,NSArray转NSString,
Object-C isKindOfClass
Object-C isKindOfClass /* 判断是否为对象是否为ClassName或其子类的实例 */ - (BOOL)isKindOfClass:(Class)aClass;
Object-C 获取系统字体和字体名字
Object-C 获取系统字体和字体名字 for(NSString *fontfamilyname in [UIFont familyNames]) { NSLog(@'family:'%@'',fontfamilyname); for(NSString *fontName in [UIFont fontNamesForFamilyNa...
Object-C isMemberOfClass
Object-C isMemberOfClass /* 判断对象是否属于某个子类 */ - (BOOL)isMemberOfClass:(Class)aClass; isSubclassOfClass 和 isKindOfClass 作用基本上是一致都是用来判断一个对象或一个类是否为...
Xcode – Xcode replace 使用正则表达式替换文字
Xcode replace使用正则表达式替换文字,Xcode replace,Xcode replace正则表达式,Xcode replace替换文字,object-c,猿说编程,
iOS NSString 创建和初始化
iOS NSString 创建和初始化 + (instancetype)string; + (instancetype)stringWithString:(NSString *)string; + (instancetype)stringWithCharacters:(const unichar *)characters length:(NSUI...
Xcode – Unlock iPhone to Continue,iPhone is locked.
Xcode – Unlock iPhone to Continue,iPhone is locked. 1.断开设备和Mac的连接(拔线) 2.重启Xcode(完全关闭后,再次打开本项目) 3.连接设备和Mac(插线) 4.运行 5.若出现信任设备弹框,选...