Mac OS 如何在命令行中生成 md5、sha1、sha256 校验和 🔑 How to get md5、sha1、sha256 checksum of file in macOS
计算 MD5 校验和 md5 /tmp/hello.txt 计算 SHA-1 校验和 shasum -a 1 /tmp/hello.txt 计算 SHA-256 校验和 shasum -a 256 /tmp/hello.txt 转载，来自：https://www.cnblogs.com 继续>
分类： OSX
重启OSX的图形界面部分 | How to restart only the graphical side of OS X
I see a lot of hints, such as the one to remove 10.5's translucent menu bar, that tell you to restart your computer for the changes to take e 继续>
重置刷新OS X的打开方式菜单 | reset or refresh “Open With” Menu of OS X
Copy & paste from single line command string:
1 | /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain user;killall Finder;echo "Open With has been rebuilt, Finder will relaunch" |
OR Same command string broken into multiple lines: [crayon-673ee612 继续>
在用户配置中存储一个NSColor（UIColor） | Save a color in NSUserDefaults
For Objective C place like this.
1 2 | NSData *colorData = [NSKeyedArchiver archivedDataWithRootObject:color]; [[NSUserDefaults standardUserDefaults] setObject:colorData forKey:@"myColor"]; |
To get back like this.
1 2 | NSData *colorData = [[NSUserDefaults standardUserDefaults] objectForKey:@"myColor"]; UIColor *color = [NSKeyedUnarchiver unarchiveObjectWithData:colorData]; |
For Swift set like this [cra 继续>
如何在最新的mac OSX中替换App配置文件 | How-to: Replace preference files in Mavericks | also works on yosemite , el capitan
Something many people do, myself included, is copy an application’s preferences file—either from one Mac to another (as a quick way of getting an app 继续>