king6cong

#!/bin/sh
echo_eval_cmd() {
    cmd=$1
    echo "======"
    echo "$cmd"
    echo "======"
    eval "$cmd"
}

echo_eval_cmd "curl -s ipinfo.io/ip"

king6cong

# sync_bin ssl.sh [email protected]
# brew install gawk first on macOS
mkdir -p ~/log
while true; do
    # curl -sS https://api.zjurl.cn/dns 2>&1 >> ~/log/ssl-host; echo >> ~/log/2ssl-host
    # curl -sS https://123.58.9.80/dns -k -H 'Host: api.zjurl.cn' 2>&1 >> ~/log/ssl-ip; echo >> ~/log/ssl-ip
    curl -sS https://api.zjurl.cn/dns 2>&1 | gawk '{ print strftime("[%Y-%m-%d %H:%M:%S]"), $0 }' 2>&1 >> ~/log/ssl-host-t
    curl -sS https://123.58.9.80/dns -k -H 'Host: api.zjurl.cn' 2>&1 | gawk '{ print strftime("[%Y-%m-%d %H:%M:%S]"), $0 }' 2>&1 >> ~/log/ssl-ip-t
    sleep 1
done

king6cong

Cross-Platform:

Dropbox:

• https://oleb.net/blog/2014/05/how-dropbox-uses-cplusplus-cross-platform-development/
• https://github.com/dropbox/djinni

Slack:

• https://slack.engineering/libslack-the-c-library-at-the-foundation-of-our-client-application-architecture-97470b5ef9b3

king6cong

fn di_dynamic() {
    struct S;

    struct P;

    trait T {
        fn name(&self);
    }

    impl T for S {