as shown in the figure above, I expect a strong cache all the time. If the strong cache fails, reset the strong cache and get the cache from memory instead of returning 304, which results in the overhead of interacting with the server. I d like to a...
var img = new Image(); img.onload = () => { console.log( loaded ) } img.src = https: b-ssl.duitang.com uploads item 201807 06 20180706150531_zFhZJ.thumb.700_0.jpeg Why would an image cached...
problem description recently encountered such a problem in development, for a simple Dialog component: in the way of a controlled component, the callback function of receiving the parent component through props triggers to change the state value ...
1. Look at this code, vuejs s code, and execute the following code in mounted mounted(){ console.log( axios send ,new Date().getTime()) axios.get( http: localhost:3000 api?a=2 ) var a=10000000000; c...
css: html,body{margin: 0; *width:100%;height:100%;* position: relative;-webkit-overflow-scrolling: touch;} -sharpmain,-sharpmain>div{width:1000px;height:1000px;margin:0 auto !important;box-sizing: border-box;position: absolute !important;left:50% !i...
! [clipboard. e4Ie) similar to the figure above. Multiple pictures show that I can control the width and height of its display. If it is a picture, I do not set its width and height, it will cover my screen, set the width and height, and because the ...
I originally wanted to install windows+Ubuntu dual system, but looking at the online tutorial, I made a mistake when I slipped. I don t know if there is any way to restore it. ...