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PHP image processing uses image processing functions to draw a picture

$red = imagecolorallocate($img, 255, 0, 0);$green = imagecolorallocate($img, 0, 255, 0);$blue = imagecolorallocate($img, 0, 0, 255);Why are there only three assigned colors? coordinate values

王功文 2019-02-27 16:11:10

How to read word files and convert them into html code with PHP?

Just like the title! It is best to support image processing in word. Is there any related class library? Supplementary content: Does phpword have any use cases like the title? Thank you!

漂亮男人 2017-06-29 10:08:17

Nginx is used as a proxy and images cannot be displayed.

I use Nginx as a proxy server. Although it can perform normal proxying, the pictures cannot be displayed. What is the reason? The following is the code of my Nginx proxy server: {Code...} I guess it may be related to the cache time of the image, but I still have no specific solution...

漂亮男人 2017-05-16 17:10:17

Code handling of lengthy data URIs

I use data URI, base64 to add images and videos to my game, but I found that if I want to make a game with multiple videos, each video will be over 500 lines of code, so is there any good way ? Suggested to handle this type of file, what I really did was make a Mixin file and make multiple functions...

P粉872182023 2024-02-03 22:56:39

Help js code mixed with php code usage exception

How to call a php function in js, js passes in the variable, and the php function returns it to the js variable after processing. I can't read what I wrote. , error report,. It's OK to apply script to PHP, but it won't work if you apply script to PHP. . Specifically, I want to know how to directly t...

sun 2022-08-21 10:59:48

Optimizing React Application Performance: An Efficient Way to Render Large Numbers of Projects

I'm developing a React application and need to display a large list of items (thousands of rows). Currently, performance is very slow when the user scrolls through the list or filters items. Is there any way to optimize the performance of my React application to improve user experience? Some additio...

P粉733166744 2024-01-16 20:43:20

How to show loader of php page?

I have a bunch of .php pages, each corresponding to an html webpage. Each page takes about a minute or so to fully process and load. I want to show a loading image to the user when the page is fully loaded. I thought of a way logically like loading the image first and the main content stays hidden w...

P粉651109397 2024-01-10 16:52:02

Using JS $(this).attr('action'); in Html cannot get the value

I have just been exposed to PHP for a short time and am a novice. Now I am stuck and I can’t find a solution online. Now I want to implement a simple function: use ajax in Html to pass variables to the test2 method in PHP. ---thinkphp 3.2.3, ajax submission, php function processing problem: cannot r...

品茗坐看风吹雨 2018-03-21 14:21:21

Batch job submission error "Unable to process all documents" uris seems correct?

I've been trying to get DocumentAI batch submission to work but I'm having some difficulty. I used a RawDocument for single file submission assuming I could iterate over my dataset (27k images), but opted for batch processing as it seemed to be a more suitable technique. When I run the code I see th...

P粉696891871 2024-03-31 14:10:13

PHP is used as the background. When a web request comes, can it be processed using multiple processes or threads?

It is said that PHP does not support multi-process, so is this scenario not suitable for PHP? If I want to update the information of a thousand data, upload a sql file, and then execute it one after another, it will definitely be very slow. Can I use pcntl_ related functions in the code to implement...

为情所困 2017-06-05 11:09:26

linux - php method to decompress .gz file format.

Now in the project, I have obtained the .gz file through the URL. I want to process and decompress the contents of the compressed file. Now I know a way, which is to use PHP to call the Linux system command tar to decompress and then process the data. I would like to ask friends who have done this b...

黄舟 2017-06-08 11:01:56

Why does cron link cause delayed response time when it works multiple times?

There is a php function that performs some database and curl operations. I use a url to run this function. Right now I'm running it manually, but in the future I'll tie it to a cron task. My problem is this. For example, I have a url like the following. domain.com/crons/update_account_data?token=xxx...

P粉132730839 2023-09-08 09:00:15

vue.js - vue rich text editor recommendation and php processing base64

vue2 rich text editor recommendation and php processing base64. Now I want to use vue2 to make a PC-side article publishing page. I need to use the rich text editor front-end image to display through base64 and then save it to the server after the user actually submits it. Now I want to ask for advi...

曾经蜡笔没有小新 2017-05-27 17:42:33

Post files and related data to RESTful WebService in JSON format

In an application I'm developing, we want the client to send data in JSON format, so I'm developing a RESTful API. Part of the application requires the client to upload a file (usually an image), along with information about the image. I'm having trouble tracking down how to accomplish this in a sin...

P粉056618053 2023-08-20 13:47:10

How to get openid after scanning the QR code image generated with PHP?

I used the PHP QR code generation class library to generate a QR code picture (not generated by the WeChat interface). I want to get the openid of a WeChat user after scanning the QR code. How can I implement this function? (I previously thought of using web page authorization to achieve this, but t...

LRTRL 2017-06-28 16:57:44

javascript - How to upload images directly from local to cdn without going through server processing?

It's like this: Today, a PHP guy who has been working in the company for 12 years asked me how to directly use the rich text editor to transfer the selected pictures to CDN without going through server processing. He told me that this is how Taobao works. I am a novice and it was difficult to unders...

高洛峰 2017-05-19 10:41:09

Way to restrict date picker to only accept numbers and hyphens, and restrict other values in Vue

I'm using the vue2-datepickernpm package to handle dates. Date input accepts all letters, numbers and special characters. But I want the input to only accept numbers, hyphens and slashes. I can easily achieve this using normal html input. But how to implement it in date picker? Any help would be gre...

P粉729518806 2023-08-26 14:57:04

How to get useful error messages in PHP

Many times I will try to run a PHP script but will just get a blank screen. No error message, just a blank screen. The cause could be a simple syntax error (wrong parentheses, missing semicolon), or a failed function call, or something else entirely. It's hard to figure out what's wrong. I ended up ...

P粉590929392 2023-08-20 14:30:17

How to get useful error messages in PHP?

I often try to run a PHP script but just get a blank screen. No error message; just an empty screen. The cause could be a simple syntax error (wrong parentheses, missing semicolon), or a failed function call, or something else entirely. It's hard to figure out what the problem is. I ended up comment...

P粉283559033 2023-08-23 17:26:55

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