给定一个可选的端口参数,其中端口号可以改变长度,那么如何从批处理脚本的命令行参数中获得端口号?示例:应产出:我走了这么远,试着用子字符串。set CMD_LINE_ARGS=%*set PORT_ARG_REMOVED=%CMD_LINE_ARGS:*-port =%fail to remove trailing chars
set PORT_NUM
我正在尝试让angular在我的MacOSX10.11.3El Capitan上运行。我通过命令sudo ng new first-app创建了一个新的应用程序它抛出了以下错误:Visit http://ember-cli.com/user-guide/#watchman for more info.
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abis02 - GBS API 8085 is running abis02 - GBS API 8180 is running abis - GBS API 8181 is runningb=$(echo $abis02 | sed 's/[^0-9]\{4\}//g') c02PI 8085[00;32sc02PI 8180[00;32sc02PI8181[0m
ssl.SSLError: [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:852)我的电子邮件配置如下:EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'EMAIL_USE_SSL =
我一直在正常使用npm install,直到有一天我收到以下错误:31 verbose stack RangeError: port should be >= 0 and < 65536: 9872131 verbose stack at Agent.exports.connect.exports.createConnection (net.js:92: