javascript - I plan to write a C++ node image processing module. Is there any recommended C++ image processing library?

As the title says, I want to write a C++ node image processing module. The main function is Poisson fusion of images. The main technical points involved are: 1. Read image pixels (jpg, png, etc.) 2. Perform matrix operations on pixels 3. Convert For the pixel writing image matrix operation part, eig...

滿天的星座 2017-05-16 13:21:47 0  1  802

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 0  1  511

javascript - Please help with uploading base64-bit string image data to the java background

Well, the company project has a requirement to provide users with the function of manually adding mosaics before uploading images. I use canvas to complete this part of the processing, but what I get after canvas processing is a base64-bit string. My current The idea is to directly send this base64-...

欧阳克 2017-06-12 09:19:31 0  3  914

justify-content: space-between in Flexbox doesn't seem to work

I've tried changing a lot of things in the CSS using classes and IDs, but there doesn't seem to be any way to get both images to be on the far side of the screen (logo on the far left, profile on the far right). Tried a lot of different things like text-align and different justify-contents but nothi...

P粉511749537 2024-03-21 23:06:10 0  1  478

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 0  2  488

javascript - How to call the timer in the stored variable in carousel JS

{Code...} The reason is that I recently wanted to implement a full-screen carousel function, and then I queried a lot of information and referenced the codes of many websites, and then I found that most of them were obfuscated codes... I couldn't understand it. Then I created a primitive and crude c...

女神的闺蜜爱上我 2017-07-05 11:08:40 0  1  1012

How to disable PHP reporting SQL errors?

I have my own PHP data class that logs MySQL errors to a txt file using mysqli_error($this->conn). Everything was working fine until I set PHP error handling to E_ALL. Now PHP intercepts the error and it doesn't have a chance to be handled by my MySQL error handler. This wouldn't be a problem exc...

P粉550257856 2023-09-05 17:14:24 0  1  687

node.js - Can nodejs generate gif animations from png in batches? Have you ever come across this?

For example, I want to make forty or fifty GIFs at a time. Each GIF has two frames of png source images. Can I implement the function of batching pngs into GIFs? There are online GIF generators on the Internet, but they can only generate a single GIF and cannot generate multiple GIFs in batches, and...

ringa_lee 2017-05-16 13:22:54 0  1  806

Concurrent queue processing system based on Swoole and Redis

Since PHP does not support multi-threading, as a complete system, many operations need to be completed asynchronously. In order to complete these asynchronous operations, we built a Redis queue task system. As we all know, a message queue processing system is mainly divided into two parts: consumers...

PHP中高级教程分享 2018-11-14 11:18:20 1  2  1536

How to create a satisfying web design

It cannot display my own designs. I want to create a redesign. Creating a web design is a multifaceted process that requires aesthetics, functionality, and user experience to be seamlessly blended together. It starts with a deep understanding of the website’s purpose, target audience, and brand. A w...

P粉908643611 2023-08-10 17:09:33 0  1  570

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  894

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  778

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  655

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  626

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  1047

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  532

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  726

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  780