JohnHello

select * from t_eve_wechat_verification_code where age(now(),ctime) < ('00:05:00.00000')::interval;

select age(now(),ctime) < interval '00:05:00.00000'  from t_eve_wechat_verification_code ;

select age(now(),ctime)  from t_eve_wechat_verification_code ;

select date_part('minute',interval '2 years 2 days 23:14:01.92202');

select 	extract(day from interval '2 years 2 days 23:14:01.92202');

JohnHello

查看了微软LUIS语义理解服务，看到支持语言中有Node.js,Python，还有C#，竟然不支持Java，想了半天，原来是微软家的东西。

JohnHello

JavaFun

JohnHello

JohnHello

function throttle( fn, time ) {
    var t = 0;
    return function() {
        var args = arguments, ctx = this;
        clearTimeout(t);

        t = setTimeout( function() {
            fn.apply( ctx, args );
        }, time );
    };

JohnHello

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console