spring.cloud.nacos.discovery.ip=106.0.0.220
sudo apt install gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihfCC=arm-linux-gnueabihf-gcc CGO_LDFLAGS="-static" CXX=arm-linux-gnueabihf-g++ CGO_ENABLED=1 GOOS=linux GOARCH=arm GOARM=7 go build
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") ^^^^^^^ SyntaxError: missing ) after argument list 原启动命令为:"dev:main": "node node_modules/.bin/cross-env NODE_ENV=...
预备知识:[ -z "$1" ]-z 空$1 命令行后的第一个参数[ -z "$1" ] && usage;./build-nanopc-t4.sh -M此时不会执行usage函数./build-nanopc-t4.sh 此时会执行usage函数if [ $? != 0 ] ; then exit 1; fi$? 上个命令的退出状态，或函数的返回值
public static boolean ping(String ipAddress) throws Exception{ int timeOut=3000; boolean status= InetAddress.getByName(ipAddress).isReachable(timeOut); // 当返回值是true时，说明host是可用的 return...