search_ダイナミックな星空キャンバス特殊効果-php.cn

Whole station
Course
Article
Q&A
Download

Self-study IT network Linux load balancing video tutorial

Course Intermediate 11304

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17616

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11321

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

More courses

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 work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

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 ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

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: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

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

2023-09-05 15:06:32

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 php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

MoreQ&A

Starry navigation bar special effects

Course Introduction：This time I will bring you the special effect of the starry navigation bar. What are the precautions for realizing the special effect of the starry navigation bar? The following is a practical case, let’s take a look.

2018-03-17 comment 0 2193

Pure CSS3 cool 3D starry sky animation special effects

Course Introduction：This is a cool 3D starry sky animation special effect made using pure CSS3. In this special effect, from the perspective of the spacecraft moving forward quickly, all the stars quickly become larger and move backward, and the effect is very realistic.

2017-01-18 comment 0 3178

Teach you step by step how to use PS to add dynamic special effects to sports pictures (5 steps in total)

Course Introduction：In the previous article "PS Skills: How to Add Teleport Effect to Pictures (Sharing)", I introduced you to a quick teleport effect, a very practical little skill. The following article will introduce to you how to use PS to add dynamic special effects to sports pictures. Come and take a look, friends.

2021-08-05 comment 0 5670

What are the canvas special effects?

Course Introduction：Canvas special effects include particle effects, line animation, image processing, text animation, audio visualization, 3D effects, game development, etc. Detailed introduction: 1. Particle effect, by controlling the position, speed and color of particles to achieve various effects, such as fireworks, raindrops, starry sky, etc.; 2. Line animation, by drawing continuous lines on the canvas, create various effects. A dynamic line effect; 3. Picture processing, by processing pictures, you can achieve various cool effects, such as picture switching, picture special effects, etc.; 4. Text animation and other features.

2023-08-18 comment 0 1460

HTML5 ultra-realistic snow scene effect

Course Introduction：This is a super realistic snow scene special effect based on jquery. This special effect uses jquery code to dynamically plug in the html5 canvas element, and then creates the snow special effect in the canvas.

2017-01-18 comment 0 2240

MoreTechnical Articles