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How to play video using javascript?

I have an HTML with a video element, no controls and a button to play the video. But when I try to play the video using the button it doesn't do anything. I don't get any errors in the console and the video doesn't play. I can't figure out what could be wrong. When I add the control attribute in the...

P粉466290133 2024-02-17 16:44:36

What should I pay attention to when uploading and playing videos in the backend of PHP?

The company project needs to add a video upload to the project, and then generate a QR code scanning and playback function. I thought about a few questions: 1. How to control the duration and size of the uploaded video 2. How to convert some commonly used formats into MP4 Dominance format 3. What sh...

怪我咯 2017-05-16 13:14:41

A typical low-code generation system with separate front-end and back-end, based on Thinkphp Vue ElementUI

This is a typical development framework with separate front-end and back-end, and many front-end and back-end codes can be generated very well without writing code, which greatly reduces the amount of code written by programmers. Improve efficiency and reduce costs! The rapid development system base...

Thinkphp Vue RDS 2022-07-21 08:31:41

Correct image path in React.js

I'm having some issues with images in my React project. In fact, I always thought that the relative path in the src attribute was constructed based on the file's schema. Here is my file schema: componentsfile1.jsxfile2.jsxfile3.jsxcontainerimgjs... However, I realized that the path is built based on...

P粉024986150 2023-08-21 14:24:49

Conditionally change className to css module (React)

I'm trying to play an animation when the user hovers over my website's navigation bar. I'm trying to achieve this by changing a css module based on whether the mouse is hovering over the navigation bar. I'm trying to figure out why this code isn't working. Any help is greatly appreciated! Navbar.jsx...

P粉799885311 2023-08-17 18:10:17

Bug in article modification function

Thinkphp personal blog development - Problem: The article modification function can only add a new one based on the original one, and cannot replace the original article content. Teacher, please improve the code as soon as possible.

木木木木木木莹 2018-12-08 11:00:13

mysql - What is the reason for sql error?

I found a SQL injection vulnerability based on orderBy in an old system that is under maintenance. I am going to verify it. I executed this SQL injection first and it was OK {code...} But when I executed this SQL with update statement, I got an error: { Code...} Error {code...} How should I let him ...

黄舟 2017-05-18 10:47:26

javascript - A question about the mousdown event

Please help. I used $.animate to implement an event based on the page element mousdown. After doing it, I found a problem. After clicking the mouse multiple times in succession, the animation will be played repeatedly multiple times. The effect I want to achieve is to start from the beginning every ...

世界只因有你 2017-05-19 10:14:34

How to implement the Twilio Vue.js tutorial

I'm trying to follow this Twilio tutorial: https://www.twilio.com/blog/create-video-conference-app-laravel-php-vue-js Since it's based on Laravel6, I'm getting some errors in 2022. I've fixed the routing by adding the full namespace of AccessTokenController but in the tutorial I'm asked to "Rep...

P粉024986150 2024-02-17 13:48:52

How to enable React components to record the variables of right-click, which requires double-clicking to achieve

I'm having an issue with a React component in my project where I need to click twice during navigation for the right click variable to be logged correctly. Here are the details of the problem and my code: I have a React component that represents a course navigation system. When I click on a course i...

P粉083785014 2023-08-15 22:46:56

The "v-model" directive requires valid attribute values as LHS

I have a Vue application and I have a table where each row has its own id. I then need to show/hide some elements based on a condition in the v-model directive which compares the row ID to the value in the model. The code looks like <b-loadingv-model="actionLoading===table.row.id">&l...

P粉011912640 2024-03-27 15:53:34

The rewritten title is: How to match two attributes and get multiple results using SQL query?

Long story short, I'm working on an app that matches people who want to adopt a dog with available dogs in shelters based on size, age, and other characteristics. I'm having some problems using CASE with my query, for example the code below is just part of the whole code, to simplify: ANI.IS_HOUSE_T...

P粉659518294 2023-09-12 11:28:18

Google chart animation loses visibility when chart data changes

I'm having trouble getting Google Chart animations to work properly. I think the problem is that the chart keeps redrawing instead of just updating the data, but based on Google's sample code and my limited knowledge of JavaScript, I'm not sure how to fix this. I don't want to include a button to up...

P粉170438285 2023-09-02 12:32:58

php - How to output image in base64

It's like this. Today I wrote a template for PHP to generate verification codes based on the information on the Internet: {code...} But I don't want him to output the image directly, but output the image in base64. How should I do it? I have tried many methods without success, unless it is necessary...

伊谢尔伦 2017-05-24 11:32:19

Why do I get "Too many re-renders. React limits the number of renders"? where is my infinite loop

My code below runs but I get a "too many rerenders" error. I do not know why. If I take out the dual switch and base it on a unit (like price) then it works. However, I can't find where my code causes the infinite loop. The internet says I may be using useState incorrectly. Any help is app...

P粉946437474 2023-09-14 12:42:20

Arrays in PHP: surprising results when adding new items

So I'm writing code that allows me to collect images collected by the Instaloaderpython library and put them into a gallery on my website. I've managed to collect and display these without any problems, however I've now started implementing headers for each post and I'm running into issues. The way ...

P粉893457026 2024-03-31 14:10:42

Why do we need to use PHP exception codes? What are the usage scenarios of PHP exception code?

Ok, this is a very stupid question to many people, but I hope to get an overwhelming response :) When I throw an exception in PHP, I can add a code to the message. I catch the exception and handle it based on its type (like InvalidArgumentException or OutOfBoundException). I log the message or displ...

P粉476547076 2023-08-24 12:31:44

How to make an image appear in the center of the header?

First of all, my code is based on 3 files, an HTML, a CSS and a JS. It should be noted that I am using the Bootstrap5.1.3 framework to create the HTML. My problem is, first of all, the logo of the clothing brand I am using as a case study is not centered, I have tried everything to make it centered ...

P粉103739566 2024-04-01 23:49:58

Add total weight of simple and variable products in woodmart mini cart widget

I'm using Woodmart theme and mini cart widget and I want to display total weight and total price of simple and variable products. So I modified the code but it doesn't work and has the following issues: 1. (Total Weight): When a simple or variable product is added to the cart, the total weight is di...

P粉447495069 2023-09-05 00:18:25

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47