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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 17632

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 11344

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 set up the rocking and switching function of Kuwo Music

Course Introduction：Kuwo music software provides a large number of song and music resources for everyone, so that everyone can listen to it at any time, and the functions in the software are also quite comprehensive. Users can set the shaking function to cut songs. If you don’t know how to set it, just quickly Click to take a look at the PHP Chinese website. Overview of the steps to set up the rocking and switching function of Kuwo Music: 1. First, click to open the Kuwo Music APP on your phone. After entering, click the three horizontal lines icon in the upper right corner of the home page to open it. 2. At this time, a function menu window will pop up on the right side of the page. Click the [Settings] icon below * to enter. 3. Next, in the settings page you enter, there is a [Shake phone to switch songs]. After finding it, click the corresponding switch button behind it. When the button is set to a colored state, it means that the function is turned on

2024-04-17 comment 0 1145

Analyze the problems encountered when upgrading webpack3 to webpack4 version (summary)

Course Introduction：In the previous article "VIM Chinese Garbled Code Issues You Should Know About (Sharing)", we learned about VIM Chinese Garbled Code Issues. The following article will let you know about the problems encountered when upgrading webpack3 to webpack4 version. Let's take a look.

2021-08-30 comment 0 1697

Tether Vows to Defend Itself Against Celsius Lawsuit, Calls It a 'Shake Down”

Course Introduction：Top cryptocurrency stablecoin company, Tether, has said it would defend itself against litigation brought by Celsius Network Limited, a case it regarded as a “shake down”

2024-08-12 comment 0 535

PowerA Zhanlong Pro wireless controller is now available: liftable Hall rocker, multi-gamut RGB lighting effects

Course Introduction：According to news from this site on July 10, peripheral manufacturer PowerA has announced that the Zhanlong Pro wireless controller, which will be released at BW2024 on July 12, is now on the shelves, with the current price on the page being 649 yuan. Compared with the Zhanlong wireless controller, the Zhanlong Pro adds multi-light domain RGB lighting effects, supporting the combination of 4 independent light domains and 3 different light effects. In addition, this controller also uses a rotary liftable Hall rocker, which provides three gears to adapt to different types of games: Low rocker: for quick moves in fighting games. Medium rocker: high rocker for various games. : Precise control of racing games Through the PC application, users can adjust the joystick dead zone and sensitivity of the Zhanlong Pro controller. This website noticed that this handle is also equipped with a three-stage adjustable Hall linear trigger with a lifespan of 5 million times and a 0.3

2024-07-16 comment 0 1027

Bitcoin Long Positions Tottering on a Knife-Edge as $59K Liquidation Risk Looms

Course Introduction：As Bitcoin continues to test investors’ nerves by stagnating around $60,000, a shadow hangs over highly leveraged long positions.

2024-08-12 comment 0 541

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