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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11309

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 17618

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 11324

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 - The click event of ul's li after moving in conflicts with the moving out event

As shown in the picture: The effect I want is that the color of ul's li changes to red when moved in, and blue when moved in; but if a certain li is selected (that is, clicked), I hope that this li will always be red before clicking the next li. , even if the mouse passes through it again and the removal event is triggered, it still needs to remain red until another li is clicked...

2017-05-18 10:49:41

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

Is there a way to achieve smooth scrolling animation when using the scroll wheel?

I'm trying to make it so that when I scroll the page it moves smoothly instead of the "jumpy" way it does when using the scroll wheel. Most of the sources I've seen related to this involve smooth scrolling when clicking a button or link, like what react-scroll provides, but I specifically want to achieve the smooth effect of wheel scrolling. Is there a way to achieve this through a MaterialUI theme, or is there a React package that can help with this?

2023-08-16 16:40:27

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

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HTML5 Canvas mobile lucky draw special effects

Course Introduction：This is a lucky draw special effect based on jquery and HTML5 Canvas. The lucky prize special effect supports mobile terminals. It generates a grand prize disk by dynamically constructing Canvas elements, and randomly obtains prizes through jquery code.

2017-01-18 comment 0 1716

HTML5 progress bar special effects_html5 tutorial skills

Course Introduction：This article mainly introduces the HTML5 progress bar special effects. Friends who need it can refer to it.

2016-05-16 comment 0 1268

JavaScript Wonderful Classroom Smooth Moving Effects of Objects_Image Special Effects

Course Introduction：A teaching example in JavaScript Wonderful Classroom, the object translation movement special effect, the function is activated after clicking the button, and the picture is controlled to move at a constant speed within a certain period of time. It is the simplest and most basic movement method. Its characteristic is that the direction and speed of the movement do not occur. Change.

2016-05-16 comment 0 1049

Js implements simple ball movement special effects_javascript skills

Course Introduction：This article mainly introduces the relevant information on how to implement simple ball movement special effects in JS. Friends who need it can refer to it.

2016-05-16 comment 0 1755

Text animation special effects based on HTML5 Canvas

Course Introduction：This article shares with you the text animation special effects based on HTML5 Canvas. It is very useful. Friends in need can use it for reference.

2018-04-02 comment 0 1690

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