javascript - js (Vue) practice: How to input @, and then a list of related candidates will automatically appear?

The effect is as follows: Effect description: 1. The user enters the @ symbol, an option list appears, and the option list is automatically positioned behind the @ symbol. (The current idea is: dynamically monitor the input character if it is @, and the list box appears at the cursor hovering positi...

PHP中文网 2017-07-05 11:03:32 0  3  3663

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  632

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  645

Custom textbox on Antd Select component

I want to give the user the ability to add custom text if the choice they think is appropriate is not among the options shown in the "Select" option. I have successfully created a custom text field but getting the user input and setting it as the value of the select component is becoming a...

P粉790187507 2024-03-30 11:16:20 0  1  516

How to change the background color of MUI tooltips?

I want a "?" user can hover over the icon and get specifications on what data should be entered in the text field. MUI's default hover is gray with white text, but I want my hover to be white with gray text and with a larger font. I found that using works fine for font size and color, but ...

P粉147045274 2023-09-04 11:56:50 0  1  875

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  440

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  563

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  855

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  742

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  633

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  605

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  1020

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  521

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  718

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  771

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  697

Custom Bootstrap 5 carousel on mobile (multiple items, but not in one row)

I'm having trouble trying to customize the carousel layout on mobile devices. I want it to show every item of the carousel on mobile instead of just one, but after trying with some CSS and JS, especially using displayfloat or max-witdh I'm just starting to think this isn't possible, Or I don't know ...

P粉763662390 2023-09-05 11:53:56 0  1  607

How to use Firebase Authentication with multiple login methods and role-based authentication?

I am creating a react.js application with nodejs as backend and I want to use these authentication methods to login using email/password, login using google and login using phone, now I want to keep the uniqueness of the user while signing the user's name for Any of these, I will also get other deta...

P粉574695215 2023-09-05 12:18:10 0  1  676