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1. Open the Keychain Access app on your MAC first, as shown in the figure 2. Next, click on the "Keychain Access-preferences" option in the menu bar, as shown in the figure 3. In the Keychain Preferences window, tick the "Show Keychain status in menu bar" option, as shown in the figure 4. Click the lock icon in the menu bar, then click the "Lock Screen" option to lock the screen. 5. Of course, if you are a MacBook Air or MacBook Pro laptop

One: Method 11: Open terminal　　　　　　2: Drag the folder into the terminal.　　　　3: The path is displayed.　　Second, Method 21: Show full path(1) Open terminal (Application-and utility) and enter the following two commands:Defaults write Com.apple.finder _fxshowposixpathintitle-bool true;killall Finder　　(2) Results　　2: Restore default state, do not show full path(1) Open terminal (Application-and utility) and enter the following two commands:Defaults write Com.apple.finder _fxshowposixpathintitle-bool

Apple Mac computer how to turn off itunes automatic backup 1. Quit itunes completely, run the terminal (Application-utility), and enter the following command: Defaults write Com.apple.iTunes Devicebackupsdisabled-bool YES 2, open itunes, and connect to iOS devices, you will find that itunes will only sync the device, but will not back up the 1. Quit itunes completely, run the terminal (App

Mac computer system screenshot name Date suffix Removal method Introduction: First step: Start the terminal application. Step Two: Copy the following command and paste it into the terminal window, and then press RETURN (enter). Defaults write com.apple.screencapture "include-date" 0 Step three: Then enter the following command, and then press RETURN again. Killall Systemuiserver It's that simple. Now

The first step: we found the file to be processed on the Mac computer and then right click on the file, in the pop-up interface we click the "Show Introduction" option. Step two: After opening the entry, we click on "open Mode" to enter after we click "Inverted triangle" then we click "Default Application" effect is as follows. Step three: Then we click on the "Change All" button to take effect, as sh

The PHP instance described in this article can accomplish the function of acquiring the computer IP and host name and MAC address of all the users in the LAN, and has some reference value for the PHP program designers. The complete code is as follows: The program is running in CLI mode and should also be available on the browser PHP to get the User IP function on the LAN is done, the main use is

* Software to be installed: Pycharm, Squel Pro, MySQL, Redis, etc.1. Download the installation pycharm.2. Download the installation item2.3. Install brew: ' RUBY-E ' $ (Curl--insecure-fssl https://raw.githubusercontent.com/Homebrew/install/master/install) "'.4. Use zsh:List all the shells,cat /etc/shellsInstall oh-my-zsh:1. Auto Install: 'wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | sh‘;2. Manual Installation: 'git clone git://github.com/robbyrussell/oh-my-zs