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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17635

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 11348

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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How to get through Caron Star in Crazy Crazy Racing? Analysis of how to pass the levels in Caron Star in Crazy Crazy Racing

Course Introduction：In the game, after the players pass the Novice Village, they will start to challenge the terrain challenges of different planets. Each planet has its own terrain characteristics. How to survive the crazy racing Caron planet? If you haven’t passed this planet yet, Players can take a look at the entire process of clearing the Karon planet shared by the editor and the operations when encountering high slopes and obstacles, which may help players successfully clear the planet. When completing a level, the most important thing is the matching of the racing car. The one-piece racing car has a relatively universal shape, and you can easily pass the level with just a few modifications based on the terrain of the planet. If you are on Caron, you can reduce the number of batteries. As shown in the figure, such a model is enough to complete driving on this planet. The first one at the beginning is a peak, because we are equipped with a turbine that can directly create a vortex

2024-04-08 comment 0 905

Guide to completing the xenophilia mission in No Man's Sky

Course Introduction：How to complete the xenophilic mission in No Man's Sky? In fact, this task is not very troublesome. You can usually find it by flying a few galaxies. Anyway, it has weird names, such as [Blade-shaped Planet], and [Tethered Planet], etc., and then find the animals on the planet. There is only one kind of creature in the system, so there is a high probability that it is. Friends who are still unclear, please come to the editor to take a look. Guide to completing the xenophilic mission in "No Man's Sky". This mission is not very troublesome. You can usually find it by flying a few galaxies. Anyway, a planet with a strange name and only one kind of life form has a high probability of being a strange life. The body planet. PS: Look for planets with strange names in the galaxy, such as the [blade-shaped planet] in the picture, and [the bound planet], etc.! PS: Then

2024-02-24 comment 0 806

C++ program to print square star pattern

Course Introduction：Design patterns using special characters like asterisk (asterisk) are one of the most common types of programs to understand the concept of loops. There are many other programs where star patterns are common in nature. The Star Pyramid is quite simple but contains a lot of content to understand loop statements and their conditions more effectively. In this article, we will see how to display a square pattern using a star in C++. Initially full squares and then hollow squares. Show full square pattern********************************************* ****There are seven lines in total. So consider n=7. Because we are trying to print a complete square. Each line will print n stars. The corresponding table of the framework formula is as follows:

2023-08-27 comment 0 1759

coming! Reservations for NBA's authentically authorized real basketball competitive mobile game 'Hot-Blooded NBA' are now open!

Course Introduction：The excitement continues and the stars gather together! On May 23, 2024, the NBA’s officially authorized real competitive game "NBA" officially opened for all-platform reservations! "NBA" is a basketball game dedicated to simulating real NBA events. The competitive game will present players with NBA's luxurious star lineup, extremely restored star images and highly strategic court competitive gameplay, bringing the most realistic and immersive NBA game experience! There are a large number of stars for you to choose from "Hot-Blooded NBA" With the official authorization of the National Basketball League, including legendary stars such as LeBron James and Kevin Durant, as well as new generations of the league such as Luka Doncic and Jayson Tatum, the NBA's luxurious star lineup All will appear in the game. Players can freely trade stars and form a luxurious lineup

2024-06-01 comment 0 748

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