str="a,b"
arr=(${str//,/ })
echo ${arr[1]}
# output
b
[......]
Shell如何分割字符串
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str="a,b"
arr=(${str//,/ })
echo ${arr[1]}
# output
b
[......]
xsel --clipboard
可以加个alias,和mac弄成一样得命令:
alias pbcopy='xsel --clipboard'
[......]
EVAL "local keys = redis.call('keys', ARGV[1]) \n for i=1,#keys,5000 do \n redis.call('del', unpack(keys, i, math.min(i+4999, #keys))) \n end \n return keys" 0 *
[......]
https://github.com/nodesource/distributions
可以参考上面的项目,哪个版本都能装
以Ubuntu安装18.X为例:
curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash - &&\
sudo apt-get install -y nodejs
[......]
www.md5-checksum.com md5-checksum.com {
reverse_proxy 127.0.0.1:3000 {
header_up -Origin
}
}
[......]