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The following problem occurs when clicking the registration button. How can I solve this problem?

According to the teacher's code, the following problem occurs when clicking the registration button jquery-3.3.1.min.js:2 POST http://learnzh.com/index/user/insert.html 500 (Internal Server Error)

"Huadi-Legend?' 2019-02-02 15:51:28 0  2  2068

Problem: When using axios to POST data in MongoDB, only the ObjectId is returned and no other data is posted. Edited title: Axios POST request in MongoDB returns only ObjectId, other data is not posted.

I am building a simple CRUD application using MERN stack. Below is the code to add user details in db importReact,{useState,useEffect}from'react'importaxiosfrom'axios';import{useNavigate}from'react-router-dom ';constinitialValue={name:'',username:'',email:'',

P粉564301782 2024-02-21 17:19:15 0  1  498

javascript - Why is setInterval only executed once?

Simple background switching jquery part {code...} html part {code...} css part .bg2 default display:none; setInterval() is only executed once, but I want to ask why it cannot be entered a second time? Guys, don’t despise me, thank you for your answers~

黃舟 2017-06-30 09:55:19 0  7  1103

php - file_put_contents not working on apache

Code {code...} The code is very simple. It shows success when running on the browser and command line, as: 21. But after the browser is run, /tmp/log.txt does not exist. Under the command line, /tmp/log.txt was created successfully (no problem for root and apache user testing). Very confused. . . . ...

黃舟 2017-05-16 13:03:18 0  7  783

AWS Aurora MySQL database cannot be queried by Node Lambda function

I'm trying to use a Lambda function to write data to an AWS AuroraMySQL database. Code For some reason it doesn't seem to work. My code so far is very simple but it doesn't execute correctly. This is a simple Lambda function that is called when a user registers to Cognito and should create a new ent...

P粉184747536 2023-08-25 21:31:48 0  1  800

Is there any way in jquery to copy myself and all child elements.

{Code...} I want to copy the li tag itself, including all child elements, to the front of the first li tag. jQuery has a simple way to write it. {Code...} What I think of is to copy all the child elements under the li tag but not the li tag itself.

習(xí)慣沉默 2017-06-05 11:12:54 0  6  912

javascript - jQuery crashes when clicked in firefox, how to solve it?

{Code...} It is basically such a simple structure. By clicking on the warpBox, the warpDiv is displayed. {Code...} The problem is: after clicking, the hidden div is also displayed, but it flashes away. Testing in other browsers is normal, and the latest jQuery version is currently used. How to solve...

阿神 2017-06-12 09:28:47 0  2  928

javascript - Questions about the jQuery File Upload plug-in

The user uses the input="file" tag to select a picture. After I draw the picture selected by the user to canvas for processing, I get the base64 picture data. Then the question comes, how do I put this result into jQuery File Upload, and then click the button What about uploading? {code......

淡淡煙草味 2017-06-10 09:49:07 0  1  759

php - Why does laravel redirect twice?

Currently, we are building a webpage for WeChat login, using the interface provided by WeChat. When the user accesses the index/index, it jumps to the URL specified by WeChat: {code...} This code is very simple, it is specified by WeChat. url format to splice the url, and then redirect to this url (...

曾經(jīng)蠟筆沒有小新 2017-06-20 10:07:24 0  1  1294

Please upgrade the MySQL client: MySQL 8.0 - The client does not support the authentication protocol requested by the server

For some reason I can't establish a simple connection to the server. I installed the latest MySQLCommunity8.0 database along with Node.JS using default settings. This is my node.js code varmysql=require('mysql');varcon=mysql.createConnection({host:"localhost",user:"root",password...

P粉574695215 2023-10-10 09:34:48 0  2  898

How to get duration of video in php and javascript?

I want to get the duration of the video when the user uploads the video. I don't want to put the video tag into the html. I want to get video duration code in php and javascript or jquery. Thanks

P粉604669414 2024-01-29 14:23:20 0  1  545

How to use the Google Vertext AI Vision API to create a simple website that converts user-submitted images into text.

I'm trying to build a simple HTML/CSS/jQuery website that uses the Google Vertext AI Vision API (or other service) to convert user-submitted images to text. If anyone could answer the following questions I would be very grateful. How difficult was it to create this website? Are there some examples o...

P粉798010441 2023-07-21 10:47:08 0  1  736

jQuery variable redirects to undefined url despite it being a string

I'm having trouble trying to redirect to a new URL using jQuery, but somehow it doesn't work in this specific case. I'm using jQuery with html and Djangobacklog, but I don't think either of these cause the undefined parameter to be displayed. The code is quite simple: $(document).on('click','.view-d...

P粉478188786 2024-04-01 21:03:17 0  1  635

Validating phone number length using jquery doesn't work

I'm trying to validate the phone number length using jquery, when the user starts typing themselves it should show, I executed the following code: functionvalidatePhone(phone){if(phone.value.length<=10&&phone.value.length>= 5){letvar='Yes';returnvar;}else{letvar='No';returnvar;}}fun

P粉520545753 2024-03-30 11:39:59 0  1  586

Need a jquery script to move selected options from a select box based on the end user's current selection

I have an HTML page where the end user can rank our items via a select box element. See the fiddle to see a simple demo: https://jsfiddle.net/Balkanlii/ghecv1j8/1/ I want to build a jquery script that in the event the same ranking is selected a second time (if the end user changes their mind etc.) w...

P粉170858678 2024-04-04 18:40:04 0  1  4018

PHP cannot send text messages when accessing Alibaba SMS

The source code is as follows. Please ask the master for guidance on how to fix the problem. The page is very simple. The user submits the content and then sends it through Alibaba Cloud <?php include_once("admin_head.php"); getadmin(); $action=isset($_GET['action'])?$_GET['action']:&qu...

Mr 張 2018-07-26 09:18:28 0  3  1289

php - The form is submitted to action. The user input is illegal and a prompt is required. How to deal with it?

{Code...} Verify.php determines whether the input is illegal. If it is illegal, how can the user be prompted? ps: It's OK if you use jquery to bind the button. But I want to know if the submission method like form/action can output the judgment result to the front desk?

漂亮男人 2017-05-24 11:34:13 0  1  547

Using jQuery: Add array index value to output

I'm new to jQuery and JavaScript. Managed to get the following code to work, adding a new text input field based on the number selected by the user from the (previous) dropdown select field. <script>$(function(){varinput=$('<inputplaceholder="Enter a name or title..."type="te...

P粉567112391 2023-09-16 09:54:22 0  1  926

The rewritten title is: __vite_ssr_import_1__.Client is not a constructor error

I'm developing a simple application to demonstrate CRUD operations with Appwrite and Nuxt3 (release candidate 11). The source code for the same can be found here. I am using the login page of the application (index.vue) for a simple redirect, i.e. if the account logs out in the accountStore, I want ...

P粉257342166 2023-12-20 15:40:15 0  1  828

Automatically expand text area

I'm trying to make a simple auto-expanding text area. This is my code: textarea.onkeyup=function(){textarea.style.height=textarea.clientHeight+'px';} But the textarea grows infinitely as you type... I know there are Dojo and jQuery plugins It is possible to achieve this, but I don't want to use them...

P粉245489391 2023-10-21 08:49:23 0  2  828