javascript - The loading animation effect of the page is not displayed?

1. The project I am working on now is a data table page. Since the background query takes a long time, in order to improve the user experience, a load animation is added. There is no problem with the plug-in for loading animation. However, during the execution of the method, it is found that the ani...

迷茫 2017-05-19 10:18:28 0  4  715

post-php interface development error debugging problem

When developing with PHP, var_dump is generally used to print debugging errors, which is simple and clear. But when doing interface development or jquery data interaction, debugging is not convenient, especially when I don’t know what the data posted or the value fed back is. I don’t know if there i...

扔个三星炸死你 2017-06-27 09:17:37 0  5  1406

How to handle multi-select drop-down forms for each row when implementing dynamic form saving in Laravel

In my form, I have a dynamic table with multi-select dropdowns color_id[] and size_id[] with the same name in each row. I don't know how to save multiple selected values ​​as comma separated values ​​in each row stored in the database. I tried saving to database here but it didn't work. HTML code: &...

P粉301523298 2023-08-31 10:43:09 0  1  557

How to insert specific string into page meta tag using JavaScript

I need this for SEO optimization. The website I'm working on has a small set of pages that are generated dynamically, but their metadata is very generic - even though these 5 (different) pages have relatively different content, their titles and descriptions are the same, and I want Avoid this situat...

P粉904191507 2023-09-16 20:17:07 0  1  722

Store the position of the draggable DIV in an HTML table and save it to a MySQL database

I'm wondering if/how I can store the position I moved the draggable div to on the table, so when the page reloads it will go back to where it left off (from the MySQL database). I've read some related articles, but they were all about using jquery (events, ui) with AJAX. This is my code: varp=docume...

P粉909476457 2024-02-03 18:37:10 0  1  383

Add dynamic links to AJAX HTML tables generated by JavaScript

I'm using JavaScript to generate an HTML table to populate with data from an AJAX file. I want to dynamically add links in certain cells to myfile.php. I'll let PHP handle the request. Each cell should have a link, all linking back to my PHP file, something like: <ahref="myfile.php?data=cell...

P粉311464935 2023-09-15 11:20:12 0  1  607

How to do proper pagination in Vue.js 2

I have a problem creating pagination using vue. My task is to make sure that when you click on the button's number, a new task in the jsonplaceholder is loaded. I have successfully loaded the first and second page. I think this is directly related to my this.fetchTodos() operation. I'm just learning...

P粉690200856 2024-03-27 23:17:56 0  1  452

React - Handsontable datagrid: move columns and update status

I'm using a library for React and I have a list (array) of headers and on the other side an array containing the table data. After reading the documentation I was able to enable the menu where I added the options "Add Column to Left" and "Add Column to Right", but this was only d...

P粉386318086 2023-09-15 21:51:29 0  1  733

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  848

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  738

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  630

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  600

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  1018

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  520

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  710

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  768

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  694

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  603