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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11361

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 17663

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 11380

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.

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JavaScript Basics Notes

JavaScript1. The relationship between JS and DOM. The browser has the function of rendering html code. The html source code is formed into a DOM object in the memory, which is the document object. There is a JS interpreter/execution/engine inside the browser. For example, chrome uses the v8 engine. Write a JS code in html. The JS code is executed by the engine, and the result of the execution is the operation of the DOM, which is the special effects we often see, such as pictures floating and text changing color. When the browser executes it, it encounters html code. Rendering, when encountering js, it will be interpreted and executed, so

2018-11-19 20:33:14

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

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Summarize the front-end learning steps

Course Introduction：The first stage: HTML+CSS: HTML advanced, CSS advanced, div+css layout, HTML+css whole site development, JavaScript basics: Js basic tutorial, common methods of js built-in objects, common DOM tree operations, ECMAscript, DOM , BOM, timer and focus map. Basic JS special effects: common special effects, such as tabs, navigation, full-page scrolling, carousel images, JS slides, pop-up layers, accordion menus, waterfall flow layout, scrolling events, and scroll views. JS advanced features: regular expressions

2017-07-22 comment 0 1765

javascript image sliding switching code_image special effects

Course Introduction：The picture sliding effect on the nVida website. In order to quickly demonstrate the effect, the original picture has been removed and replaced with numbers. You can completely insert the picture you want. This special effect is implemented using JS and uses CSS to fix the picture in a sliding way. Switch the corresponding multiple pictures.

2016-05-16 comment 0 1332

Teach you step by step to use js to achieve a drag and drop effect

Course Introduction：This article brings you relevant knowledge about the implementation of front-end drag and drop effects. It mainly introduces how to use js to achieve a good-looking drag and drop effect? How to type and layout? For those who are interested, let’s take a look below. I hope it will be helpful to everyone.

2023-01-24 comment 0 2815

How can the same special effects be produced on Douyin? Does it have any impact to shoot the same special effects?

Course Introduction：With the popularity of Douyin, more and more people are beginning to imitate the same special effects on Douyin, hoping to shoot equally cool videos. So, how can we shoot the same special effects as Douyin? This article will answer this question in detail for you and explore whether filming the same special effects would make a difference. 1. How to produce the same special effects on the same model of Douyin? 1. Choose the appropriate TikTok special effect: First, find the special effect you like on TikTok, and then select the same special effect in the special effects list. 2. Adjust special effect parameters: After selecting a special effect, you can adjust the parameters of the special effect to achieve an effect similar to the original video. For example, you can adjust the intensity, color, size, etc. of special effects. 3. Shooting videos: When shooting videos, pay attention to the stability of the picture to avoid shaking.

2024-06-23 comment 0 612

js fade in and fade out image carousel effect code sharing_javascript skills

Course Introduction：This article mainly introduces the js fade-in and fade-out picture carousel switching special effects. Pictures can be replaced at will. It is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 1532

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