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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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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 distinguish red and green in currency speculation?

Course Introduction：In cryptocurrency charts, red indicates falling prices and green indicates rising prices. Red candles open higher than the closing price, while green candles open lower than the closing price. Additionally, red cylinders are hollow or filled, while green cylinders are hollow or filled.

2024-04-17 comment 0 1171

Bitcoin Drops to $65,000 to Close the Week

Course Introduction：Bitcoin'sgraphthisweekisfullofred,buttherearealsoseveralgreenpartsfromthecharts,andthiswasbecauseitspricedroppedto$65,000

2024-06-15 comment 0 1013

How to use color in CSS

Course Introduction：In CSS, the color attribute is used in many places to make the HTML content colorful, such as: background-color; border-color; the first representation is to write the color directly in English, such as: blue (blue), red (red) can represent a total of 17 colors (I won’t give examples one by one here, it’s meaningless!) css example: body{ padding: 0px;"> The second representation method is to use yellow, green, and blue values to set Set colo

2017-06-23 comment 0 1885

There is no green mark in the git download code directory

Course Introduction：Git is a very popular version control tool that can help developers better manage their code and projects. When using Git to download code, we often encounter a problem: the downloaded code directory does not have a small green mark. What is the reason for this? This article will answer it for you. First, we need to understand what the little green mark represents in Git. This small green mark is a file status prompt symbol, used to indicate the status of the current file. There are four states in total, which are: - Red indicates that the file has been modified in the workspace, but has not been placed in the temporary file.

2023-05-20 comment 0 1539

3 Tokens Are Possible Islands of Green as the Rest of the Crypto Market Drowns in a Sea of Red

Course Introduction：Render's (RENDER) swap to the Solana blockchain has been a huge success, Bonk (BONK) consolidates while other memecoins tumble and top altcoin Rollblock (RBLK) is scheduled for a price jump in stage 5 of its presale after analyst estimates rise to 10

2024-08-06 comment 0 901

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