Close input text box: ReactJs operation when value changes

I have the following problem: I have an input textbox and I'm scanning a barcode. But the textbox doesn't close automatically. If I enter numbers using the keyboard it automatically closes. Did I do something wrong? Is the scanner too fast? Any ideas? const[open,setOpen]=useState(false);constonValue...

P粉386318086 2023-09-08 23:29:17 0  1  623

How to disable the default HTML input box message?

This default message appears automatically when the "Submit" button of the input text box is pressed. I don't know what is the order of the text boxes other than the default. What do I want? Here is the code for the set top box: Default message

P粉919464207 2023-08-01 19:03:54 0  1  607

javascript - easyui combobox, valueField display problem

This page is going to be an input box. After entering a word, it will automatically query the database and then display the matching options {code...}. This is no problem. The problem is that when I select the value that appears, the textField should be displayed when it is actually displayed. value...

迷茫 2017-07-05 10:50:45 0  2  903

How to split HTML input fields using multiple PHP variables, implemented through line breaks

So, I'm making a tool for those who want to copy/paste lines of text from Excel into a text box. The goal is to make each row a separate variable. If possible I would like to be able to count the number of rows and convert them into an array. Competitor Part Number: Test For example, the user might ...

P粉647449444 2023-08-16 13:06:13 0  1  633

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  812

CSS Marquee with fade-in/fade-out transition

I'm trying to make a CSS marquee with text that fades in from the right edge and fades out from the left edge. Only the edges of the letters should become transparent. I call this the "Opacity Mask" and feather it to the left/right edges. I can find CSS marquee code examples, but none have...

P粉659516906 2024-03-27 21:24:13 0  2  550

Trim and calculate mobile number in php form textarea field

I have a textarea field in my form where I can copy and paste a mobile number. One number per line, like this I can copy and paste hundreds of mobile numbers to submit in this form. I want to trim the field, after copy pasting I only want to keep the 10 digits. Only valid 10-digit numbers should be ...

P粉883278265 2024-03-31 08:46:11 0  1  419

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  681

PHP code will not run - only the contents of the file will be displayed

This is my first time using HTMLPHP and Ajax, so please bear with me. Most of the code comes from examples I found online. However, I can't get it to actually insert into the database. The ajax function does go into the success function; the success output is just displayed as an alert in the php fi...

P粉493534105 2024-02-03 22:04:44 0  1  501

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 0  1  820

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  722

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28 0  1  611

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32 0  1  576

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44 0  1  1000

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21 0  1  506

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38 0  1  697

Spades, Diamonds, Hearts, Clubs => styles do not change font color in Chrome for Android

In Google Chrome on Windows, the card suit symbols (spades, hearts, diamonds, clubs) are colored correctly using the "style" attribute. Unfortunately, the same page displayed in Google Chrome on Android does not display the colors I defined but uses the default black and red. (See the atta...

P粉896751037 2023-09-05 15:25:13 0  1  754

How to hide mui TextField label?

I'm developing a Nextjs app and I have a dashboard navigation bar built with mui that contains a notification that opens the notification box, which is built with regular HTML and CSS. dashboard-navbar.js: importNotificationBoxfrom"./notification-box/notification-box";//...exportconstDashb...

P粉239164234 2023-09-05 15:41:00 0  1  678