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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 17598

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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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

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

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QQ space top folding tear effect sample code_jquery

Course Introduction：Everyone must have seen the folding effect at the top of QQ space, so how is it achieved? Share it with you below

2016-05-16 comment 0 1325

The new version of 'Global Mission 3' space tearing cannon is now available for upgrade

Course Introduction：The super-powerful space tearing cannon with the tearing and defense reduction effect can also be upgraded! The new version of the full-perspective third-person PVE shooting online game "Global Mission 3" "Space Tear Cannon" is officially launched today! In addition to the new formula of the God of War "Super Power-Space Tear Cannon", there is also a "Dragon Boat Festival Dragon Boat Race" event that is open for a limited time. Open "Global Mission" with one click, and more exciting things are waiting for you to discover. The tearing cannon has been upgraded, and the new formula has attracted attention. The super-space tearing cannon is an exclusive super weapon commissioned by the Command Center from Engineering Department 6 for promising warriors. It triggers space tearing by firing small compressed energy bodies. The magazine has a built-in annihilation charging system, so that the first bullet after each loading can trigger a stronger tearing effect, thereby temporarily reducing the target's defense. Super power upgraded to orange quality - Space Tear

2024-06-06 comment 0 929

Personalized settings: Add your favorite pictures and text to the QQ space homepage

Course Introduction：1. How to personalize the homepage of QQ space, such as adding the pictures and text you want? To personalize the homepage of QQ Space, including adding favorite pictures and text, you can follow the following steps: 1. Log in to your QQ Space account. 2. Go to your personal homepage and click the edit button in the upper right corner. 3. In the editing page, select the location of the pictures and text you want to add. 4. Click the edit button in the corresponding position and choose to upload a picture or enter text. 5. If you want to add a picture, click the Upload Picture button, select a locally stored picture, and click Confirm. 6. If you want to add text, enter directly in the text box to log in to QQ space: Use your QQ account to log in to QQ space. Enter the homepage settings: On the QQ space homepage, find and click "Personalized Dressing"

2024-01-15 comment 0 773

Share how to create a unique style for your non-yellow diamond custom space

Course Introduction：1. Steps to decorate non-yellow diamond QQ Space 1.1 Select the theme background 1. Open your QQ Space application or visit the QQ Space official website. 2. Enter your QQ number and password and click the login button. 3. If you have not registered a QQ space account before, click the registration button to create a new account. 4. If you forget your QQ number or password, click the Retrieve button and follow the prompts. 5. Once you successfully log in, you can start using the various functions of QQ Space. 2. Go to your QQ space homepage. 3. Find and click the "Dress Up" button in the upper right corner of the page. 4. In the theme background option, you can choose a theme you like. Browse different themes to find the one that suits you best. This will make your gaming experience more personal

2024-01-05 comment 0 1074

How to delete all QQ message boards How to delete all message boards

Course Introduction：In the QQ software, you can post your favorite photos to the QQ space. If your friends see it, they will like it. QQ space also has many interesting ways to play. Not only can you leave messages in your friends' spaces, but the other party can also leave messages for you. If you don't like it, you can delete it. So how to delete them all? If you want to know how, you can read the content compiled by the editor below. How to delete all QQ message boards? Answer: Avatar in the upper left corner - Space - Message Board - Settings - Batch Management - Delete selected - Confirm deletion 1. Open QQ, click on the avatar in the upper left corner of the homepage, and in the expanded function bar on the left, Click on the space at the top. 2. Then after the space, click [Message Board]; 3. Click the arrow on the right side of [Message Board Settings].

2024-07-16 comment 0 1148

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