我正在安装"Laravel Framework version 5.2.26“,但我在我的ubuntu操作系统中遇到密钥生成错误
user@CN43:/var/www/html/laravel_1$ php artisan key:generate
[ErrorException]
file_get_contents(/var/www/html/laravel_1/.env): failed to open stream: No
such fil
我想在Python2.7上安装pyqt5。我试着在他们的网站上下载,但我打不开网站。我使用: pip install 我得到了: ERROR: Could not find a version that satisfies the requirement pyqt5 (from versions: none)
ERROR: No matching distribution found for pyqt5