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Self-study IT network Linux load balancing video tutorial

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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

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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.

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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

javascript - How to make the search box of the navigation website automatically obtain the input cursor focus?

For example, after opening this navigation website: https://www.2345.com/, the cursor does not automatically locate the Baidu search box. I tried to get the id and then call the focus function, but it did not work. How to write a piece of js code to achieve this every time I open this website? What about automatically getting focus? The effect is like https://www.hao123.com/

2017-06-12 09:28:26

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

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JS makes snowflake falling animation special effects

Course Introduction：This time I will bring you JS to create special effects of falling snowflake animation. What are the precautions for making special effects of falling snowflake animation with JS? Here is a practical case, let’s take a look.

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About CSS3 to implement special effects of custom Checkbox

Course Introduction：This article mainly introduces you to the relevant information on using CSS3 to implement custom Checkbox special effects. The article gives a complete example code for your reference and study. I believe it has certain reference value for everyone to learn custom Checkbox styles. Friends who are interested Let’s take a look together below.

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Jquery effect collection for creating computer health examination score special effects with source code download_jquery

Course Introduction：This article introduces you to the jquery effect encyclopedia to create special effects for computer health examination scores, and comes with source code downloads. Friends who are interested in the jquery effect encyclopedia can learn together.

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JS implements special effects code for rotating random number lottery_javascript skills

Course Introduction：This article mainly introduces a JS special effects code for rotating random numbers for lottery. Interested friends can refer to it.

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