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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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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Implement transition effects for image replacement using pure Javascript

On a website I created, I have a number of accordions, each with an image on top. When you open the accordion, there is a description inside and the image changes to another. Then when you close the accordion, the image switches back to the first image. The problem is that I want this image change to have a smooth transition, with a fade effect, whereas now it's just a sudden change. what should I do? Let's say the accordion button has the id "button"; the label containing the first image (which will be changed to the second image) has the id "firstimage". This is JavaS

2024-03-30 00:14:11

Using JQuery to trigger a click event only when a specific character appears in a paragraph

I have an accordion with some text marked "Important". I want the page to automatically open pages marked "Important" by clicking a button toggle when the page loads. I've used $(".diff__filename:contains('sections/')")) to search for the word "Important" in the title, but I don't know how to tell it to click the button next to it. I chose to use JQuery to avoid looping through the class names. <pclass="title">I

2024-02-17 22:23:01

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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jQuery creates vertical translucent accordion effect

Course Introduction：This time I will show you how to create a vertical translucent accordion effect with jQuery. What are the precautions for creating a vertical translucent accordion effect with jQuery? Here is a practical case, let’s take a look.

2018-04-25 comment 0 1790

Huawei clears inventory to prepare for war and is about to launch a wave of new products

Course Introduction：According to news on October 22, recent news revealed that Huawei is actively cleaning up its inventory of old mobile phones to prepare for the upcoming switch of product lines. It is expected that Huawei will launch a wave of new products from the end of this year to the beginning of next year. In the past few years, in order to continue its mobile phone product line, Huawei had to make a comprehensive transition from Kirin chips to Qualcomm Snapdragon chips. However, it was not until the end of August this year, with the release of the Mate60 series, that the situation finally changed. According to the editor's understanding, Tianfeng International Securities analyst Ming-Chi Kuo has previously revealed that Huawei will purchase 23-25 million and 40-42 million mobile phone SoC chips from Qualcomm in 2022 and 2023 respectively. However, starting in 2024, Huawei plans to fully adopt its own designs

2023-10-22 comment 0 2086

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1166

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1023

charles captures requests in eclipse

Course Introduction：charles captures requests in eclipse

2016-12-02 comment 0 1659

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