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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11311

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 17622

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 11329

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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Follow me to truly understand the pitfalls of free OA

Is free OA a trap? As long as you understand this pit, you will be willing to fall into it. The current free OA mainly has the following problems: First, it is free when there are few users, but it is expensive when there are many users; second, simple functions are free, but if you want to use them in depth, you need to pay additionally; third, if Download free OA, install it, and use it. Without technical support, you can’t apply it by yourself. In view of the above pitfalls, follow me to truly understand free OA and let you fall into the right pitfall. Does the free OA system really limit the number of users? NO, Dianqing OA system is

2020-06-29 16:02:27

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

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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Teach you step by step how to use PS to add cutting effects to pictures (share)

Course Introduction：In the previous article "PS Skills: How to Use PS to Simply Make a Creative Cover (Skill Sharing)", I introduced you to a small technique on how to use PS to make a creative cover. The following article will introduce to you how to use PS to add cutting effects to pictures. Let’s see how to do it together.

2021-08-20 comment 0 4923

Newly organized: Detailed explanation of updates and improvements to the Photos app in iOS 16

Course Introduction：In iOS16 and subsequent versions, Apple has brought more powerful and comprehensive editing and photo file management functions to the Photos application, allowing users to organize photos more easily and perform editing and photo retouching operations more conveniently. These updates provide improved tools and features that enable users to better work with and manage their photos. Whether organizing photo albums, adjusting photo effects or performing advanced editing, Apple provides users with a better experience. With these updates, users can be more creative and create more beautiful photos. iOS16introducesanewfeaturethatautomaticallyidentifiesduplicatephotos

2024-01-03 comment 0 875

What is icloud and how to delete photos in icloud

Course Introduction：As an indispensable cloud storage partner in Apple users' daily lives, iCloud has won the favor of many users for its excellent convenience, strict security and seamless synchronization across devices. Whether it's work documents or daily life details, especially those precious photos, you can easily upload, download and share them with family and friends. But what follows is that as the number of photos continues to grow, the problem of how to manage it efficiently becomes highlighted. How to delete photos in iCloud? iCloud photo management tips to easily delete photos you no longer need: If you want to clean up photos in iCloud to make more storage space, the following steps will help you: 1. Visit the iCloud official website: Enter in your browser

2024-09-02 comment 0 1031

iOS 18beta5 released_Can it bring new experiences?

Course Introduction：Apple today provides iOS 18 beta5 version (version number: 22A5326f) to iPhone users, introducing an updated design of the Photos application, new Safari options, etc., and optimizing many details. A brief summary of the iOS 18 Beta5 updates: Improved Photos application Apple collected user feedback on the Photos application, streamlined the design of the new Photos application, removed the function of sliding into different collections of albums in the application, and reduced Eliminates application clutter and duplication. The Photos app still uses a unified single-screen design, and all photos can be seen by opening the photo grid. Updated,

2024-08-07 comment 0 796

What does telecom magic disk mean?

Course Introduction：Telecom Magic Disk is a cloud storage software launched by telecom companies. This software is free to use and there is no charge. After registration, users will have 10G of cloud storage space, and the download speed will not be limited; The software provides a large amount of cloud storage space, which makes it more convenient to manage videos, pictures, and files online. It also has video and picture editing, social sharing and other contents, with rich and comprehensive functions.

2022-10-19 comment 0 25235

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