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file 操作 os os.path.split // 分割路径和文件名 os.path.splittext // 分割文件名和文件后缀 os.path.join // 合并路径和文件名 os.rename // 移动文件或则修改文件名 os.listdir // 获取文件夹下所有文件名 Reading and Writing open and close f = open('workfile', 'w') f.closed with open('workfile') as f: read_data = f.read() read f.read() f.readline() write f.write() other f.tell() 获取当前位置 ...

iOS ipa 使用Apple Configurator 2下载IPA包 // IPA包保存路径 ~/Library/Group Containers/K36BKF7T3D.group.com.apple.configurator/Library/Caches/Assets/TemporaryItems/MobileApps/ 自定义URL Scheme URL types URL identifier URL Schemes URL Scheme跳转 配置LSApplicationQueriesSchemes, 跳转第三方URL Scheme 需要配置允许 NSURL* amapUrl = [NSURL URLWithString:@”ule...

iOS 数据类型及转换 Reference

iOS UICollectionView UICollectionView UICollectionReusableView UICollectionViewCell [_myCollection registerNib:[UINib nibWithNibName:@"XPDMainMyHeaderCRV" bundle:nil] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"XPDMainMyHeaderCRV"]; [_myCollection registerNib:[UINib nibWithNibName:@"XPDMainMyCell" bund...

UView Layer 设置圆角 // 四个角 view.layer.cornerRadius = 15; view.layer.masksToBounds = YES; // 全部裁剪(包括子view, 包括当前view的阴影) // 设置指定角 if (@available(iOS 11.0, *)) { _taskCardTopV.layer.cornerRadius = 10; _taskCardTopV.layer.maskedCorners = kCALayerMinXMinYCorner | kCALayerMaxXMinYCorner; } else { UIBezierPath *pathTaskCardTopV = [UIBezie...

UIScrollView 先设置约束 在Xcode 11, ScrollView 提供了Content Layout Guide 和 Frame Layout Guide, 默认打开 , 可以在Size Inspector中关闭Content Layout Guides Content Layout Guide 和 Frame Layout Guide Frame Layout guide: 需要设置与父视图的约束 position (x, y) and size (width, height) Content Layout guide: 需要设置内容的大小约束 1. 拖个UIView到UIScrollView中, View到Content Layout gu...

UINavigationController 背景设置 # ios 13 前 self.navigationBar.barTintColor = C_THEME_2;//#2266EF; self.navigationBar.backgroundColor = C_THEME_2; self.navigationBar.titleTextAttributes = [NSDictionary dictionaryWithObject:[UIColor whiteColor] forKey:NSForegroundColorAttributeName]; self.navigationBar.tintColor = [UIColor whiteColor]; self.navigatio...

Linux 常用命令 ls cd pwd mkdir rm rmdir mv touch cat nl more less head tail locate find whereis which tar gzip chmod chgrp chown df du top free vmstat iostat lsof ifconfig ping traceroute netstat ss telnet rcp scp diff date ln cal grep wc ps watch at kill killall crontab wget file cksum, md5sum, sha1sum ld read expr ldd alias, unalias rz, sz sed un...