LInux/Unix URL: http://validator.w3.org/docs/install.html#install-check
Windows URL:
http://validator.w3.org/docs/install.html#install_win-check
LInux/Unix URL: http://validator.w3.org/docs/install.html#install-check
Windows URL:
http://validator.w3.org/docs/install.html#install_win-check
最近的由於業務變動的需求較多,經常同步外網的頁面.導致某次由於一個程序員不小心的編碼,將請求全部指向了源服務器(爲CDN提供數據的服務器).直接導致源
$? is especially useful for testing the result of a command in a script . #!/bin/bash echo hello