排序
iOS NSString 与 char 相互转换
iOS NSString 与 char 相互转换 一.NSString 转 char 1.stringWithFormat 2.stringWithUTF8String 3.stringWithCString 二.char 转 NSString 1.UTF8String 2.cStringUsingEncoding
Xcode – The application’s Info.plist does not contain CFBundleShortVersionString
The application's Info.plist does not contain CFBundleShortVersionString
iOS NSString 将字符串中的字母转换为小写
iOS NSString将字符串中的字母转换为小写,NSString将字符串中的字母转换为小写,NSString字符串字母转小写,NSString lowercaseString,lowercaseString,
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...
iOS UIImage 与 RGBA 相互转换
iOS UIImage 与 RGBA 相互转换 - UIImage 转 RGBA RGBA 转 UIImage iOS 视频图像开发中无法避免使用到 UIImage 与 Bytes Pixel 之间转换。bytes pixel 可以理解为将一张图片的所有像素点写到二...
iOS NSNumber isEqualToNumber
NSNumber isEqualToNumber比较,NSNumber isEqualToNumber,isEqualToNumber比较,猿说编程,object-c教程,
iOS NSString 与 int 相互转换
iOS NSString 与 int 相互转换 - 一.NSString 转 int int ivalue = 100; NSString *string = [NSString stringWithFormat:@'%d',ivalue]; 二.int 转 NSString NSString *stringInt = @“120”; ...
Object-C UIImage 合并多张图片
Object-C UIImage 合并多张图片 Object-C UIImage 缩放 Object-C UIImage 裁剪 Object-C UIImage 旋转 Object-C UIImage 合并多张图片
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...