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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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Samsung BESPOKE colorful AI refrigerator brings summer coolness and unlocks a new fresh storage experience

Course Introduction：Do not change the meaning of the original content, fine-tune the content, rewrite the content, and do not continue to write "With the arrival of summer, the refrigerator has become an indispensable "partner" in life, providing iced drinks, iced watermelon, ice cream, etc. for summer. You can't live without it. The BESPOKE colorful platinum "AI God" refrigerator launched by Samsung Lifestyle Appliances this year creates a pleasing home environment with its unique appearance design, excellent fresh storage technology and efficient environmental protection performance, and protects every meal. The deliciousness and nutrition of the ingredients bring coolness in the summer. "Exquisite fresh storage protects the coolness of the summer. In the high temperature environment in summer, food is easy to perish and breed bacteria, so the refrigerator is responsible for prolonging the preservation of food. The new three-in-one BESPOKE colorful platinum refrigerator is equipped with three independent fresh-keeping systems. Each compartment is equipped with its own evaporator.

2024-05-30 comment 0 1033

Teach you how to draw a greedy watermelon using HTML5

Course Introduction：In the hot summer, what can we do without some cold watermelon? When we master the function of a certain program, we always want to achieve strange effects, haha, so today, as the title says, we will use HTML5 to realize a semi-circular arc watermelon (without seeds hehe).

2021-08-11 comment 0 2354

'Plants vs. Zombies Grafted Edition' synthesis list

Course Introduction：A complete synthesis list of the grafted version of Plants vs. Zombies. I believe many friends have downloaded the grafted version of Plants vs. Zombies. This game features grafting synthesis. Different plants can be synthesized through different combinations. Many friends do not know which plants can be synthesized. Today I will show you Let’s take a look at the detailed introduction. Plants vs. Zombies Grafted Version Synthetic Illustration 1. Ice Shooter + Sunflower will generate a small sun when firing ice bullets every second, and can be collected automatically; 2. Ice Shooter + Watermelon Shooter will fire pea bullets every second Shoot a watermelon at the same time; 3. Ice Shooter + Watermelon Shooter + Hot Chili Pepper fires pea bullets every second and shoots a watermelon at the same time. The watermelon will cover the fire element effect, increasing its damage; 4. Ice Shooter + Hot Chili Pepper

2024-07-26 comment 0 1119

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