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On the problem of regular matching
description: a regular match is given to the content of an input box, and the matching content is the product activation code. looks like this: "0C31-0B81-BB32-3094-0C31-0B81-BB32-3094 "
Code:
$( -sharplicenseCode ).keyup(function () {
le...
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The problem of uploading attachments to the mobile version
do the gods have plug-ins for uploading attachments in the mobile version that can also be uploaded more than one? ...
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Wechat H5 sharing discovery icon and description invalidation
wrote an H5 page. According to the official description of Wechat jssdk, it is found that the shared icons and descriptions are invalid. the code is like this ....
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What is the current level of support for vw,vh layouts in mobile browsers?
what is the current level of support for vw,vh layouts in mobile browsers? ...
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Running npm run dev on nuxt will report an error as follows
...
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In learning react, I encountered the function super.
this method is included in the constructor of most components, so what exactly is this method for
constructor(props,context){
super(props,context)
}
...
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1045 Access denied for user 'root'@'localhost'
adopt a reward of 10 yuan, 1045 Access denied for user root @ localhost (using password:NO)
recently, when I was at the front end of my self-study, I came into contact with a little bit of database. This happened when I made a new connection on ...
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What fullpage plug-in with arrows and dot navigation
as shown in the red box of the second picture, is there any recommendation for this plug-in? Thank you. the screenshot is uploaded, so let s just look at it.
nothing can be found in vueawesome.
...
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Js touchmove inertial retardation
http: shrek.imdevsh.com demo.
ask for help: the principle of inertia retardation effect in demo touchmove
...
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Let table be able to separate different colors?
want to explain how to make table different colors? is not different. is .
<table>
<tr>
<td width="100">a< td>
<td><a>< td>
< tr>
<tr>
...
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How to set callback for web direct pass of Tencent Cloud COS?
I ve been looking for it for a long time, but I can t find it.
1. After the direct upload of web is completed, the server cannot know whether the file was uploaded successfully, who uploaded it, and the information of the file
2. Using web to dire...
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How to use h5 to generate a button to open Wechat in Weibo
is not to analyze user browsers, but to evoke Wechat app in Weibo app and open a link with Wechat app; WeChat Work can have this function, whether Weibo has a similar configuration.
...
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On the problem of element movement in canvas
A picture grows slowly when it slides up to a certain extent. Why does it bring out a line that has been entangled all night? I can t find the reason.
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Canvas draws a line chart of a smooth curve
write a line chart with native JS, right-angled ones can be written, but now you need to change into a smooth curve, similar to:
the inflection point is still at a right angle, is there any god who can provide the next solution
...
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Wechat browser inline video full screen
in Wechat browser, it is required and only required to be compatible with iOS8+ and Android4.4+ existing icon is bound with click event fullScreen . After clicking this button, the video vdo of inline can be full screen: .
const fullScreen = e =&g...
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Can I rewrite the request path with http-proxy-middleware
for example, I request localhost:8080 a b c.cd
proxy to http: www.aaaa.com api
can you change a b c.cd to a b c , before proxy?
means that the agent rewrites the original path before.
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A div content needs to appear at the bottom of the parent element (with overflow-y:scroll set) at all times to ensure that the chat message is up-to-date in the chat box.
question 1. The project is a chat application, which needs to display the latest news in the chat window in real time. Using the scrollIntoView method id div for bottom, I want to put it at the bottom. As long as it can be displayed, other chat message...
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The problem of this pointing in js
var myNumber = {
value: 1,
add: function(i){
var helper = function(i){
console.log(this);
this.value += i;
}
helper(i);
}
}
myNumber.add(1);
Why does this this point to window?? The add method called by the myNumber o...
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Vue page switching fixed positioning problem
<template>
<div style="height: 100%;">
<mt-header title="">
<mt-button icon="back" slot="left" v-tap="{methods: switchView, view: Post }">< mt-button>
&l...
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Vue requests to change the background-image, because it takes a long time to render, and the background color is white for a period of time.
Click the button to show that (Bing s daily wallpaper) is successful, and then when the background of the page changes, it takes time to render, and there will be a white background color. How to solve this? ...
