elastic clause definition

[Study Notes] viewport definition, elastic layout, responsive layout, learning notes viewport I. Mobile Terminal width settingsViewport View window, Ii. flexbox, elastic box model:1. Add "display:-webkit-flex" to the element css to convert it into an elastic box model, and then add "flex: 1/2/3" to the CSS of multiple

]Basedir = * *Datadir= **\data4. Start MySQLI.CMD->CD **\bin->mysqld--installII. Continue to enter net start MySQL after success5. Log in to MySQLI.CMD->CD **\bin->mysql-u Root-pII. First login without password direct login successfulIII. Change the root passwordUse MySQL;Update user set Password=password ("New_pass") where user= "root";Flush privileges;Exit6. You want to change the root password already existsI.my.ini (if not, can be in My_default.ini)[Mysqld]#跳过密码验证#skip-name-resolveII. Then e

6.9.2 External Object definitionsSemantic1. If the declaration of an object's identifier has a file scope and an initializer, then the declaration is an external definition of the identifier.2. A declaration that has a file scope and does not have an initializer, does not have a storage-class specifier, or has an identifier for the object that stores the class descriptor static , constitutes an experimental defini