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......

淡淡烟草味 2017-06-10 09:49:07 0  1  670

Four days in a row! PHP Chinese website's large-scale public welfare live broadcast class: "php full stack development experience sharing" is launched, and it continues to be exciting!

Gold 9 and Silver 10 are the seasons for learning! In order to better help PHP learners, PHP Chinese website has held a large-scale public welfare live broadcast class: "php full-stack development experience sharing", which will be broadcast on time at 10 o'clock this morning. Four senior ...

PHPz 2018-10-17 09:05:25 1  1  3010

Change image via onclick() function

I want to change one picture to another when clicking on the object. The code is stacked in the following order: What I want is that when I click, the image is replaced with a colored version of the image, i.e. another image. Now, I know I can do it using JQuery/JS. But I don't want to add a lot of ...

P粉242535777 2023-08-18 08:53:28 0  1  515

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  637

The signature image path cannot be saved to the database

I use https://laratutorials.com/signature-pad-php-mysql-jquery/ to create the signature pad. The problem is that when I click submit, the signature image path is not saved to the database. This is the code for upload.php <?phpinclude_once'../db_connect.php';$folderPath="upload/";$image_...

P粉388945432 2024-02-17 12:52:43 0  1  376

javascript - Ask about the implementation of page parallax effect

Page effect: Jingzhe’s imitation of this effect: I first learned about a library called skrollr.js on Zhihu, and learned and applied it to my own page, because my page is not static nodes, articles and pictures like the ones above. All are obtained by request, and the step-by-step request depends on...

PHP中文网 2017-05-16 13:26:03 0  1  1037

How to use original JAVASCRIPT to only display part of the five LIs and display the rest when clicked?

The code is as follows: {Code...} The above is the HTML structure. How to use JAVASCRIPT (not JQUERY) to only display 5 links and hide the rest. You need to click on the picture or text to display it, and then click to hide it. How can I achieve this function? Currently displayed: I am link 1 I am l...

世界只因有你 2017-05-19 10:18:35 0  5  510

How to use CSS selectors to target div elements containing specific attributes or tags?

I'm working on a POS system that generates a website. Most of the code is proprietary so I can't edit much. I have an output list of categories with some images floated as categories. I want to hide the first 3 listed on the home page. I tried positioning the containing div using div:nth-child(1), w...

P粉493313067 2024-04-03 22:25:59 0  1  466

javascript - Native JS and jQuety about setting image carousel timer

Regarding the image carousel, setting up automatic playback: If you use native JS code, I currently know two methods, the first one: {code...} The second one (where oBtnNext refers to a button obtained): { Code...} Here comes the point. The question is, if jQuery($("#next") is used is equi...

大家讲道理 2017-07-05 10:58:00 0  1  1070

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  900

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  782

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  659

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  631

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  1053

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  538

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  734

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  781

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  717