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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11245

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 17581

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 11291

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 adjust dpi on Logitech GHUB How to adjust dpi on Logitech GHUB

Course Introduction：Are you wondering, like the editor, how to adjust dpi on Logitech GHUB? Today, the editor will bring you the method of adjusting dpi with Logitech GHUB. Interested users can take a look below. How to adjust dpi on Logitech GHUB? Logitech GHUB adjusts the dpi method by opening the driver in the computer. We need to open the Logitech official website driver and bind our corresponding device. After entering the sensitivity binding device, open the settings page and enter the sensitivity options. Adjust DPI speed In the sensitivity page, we can adjust the DPI speed by sliding the punctuation point.

2024-08-05 comment 0 950

Do Logitech drivers affect your computer?

Course Introduction：Many users will have a question when using Logitech drivers, that is, whether Logitech drivers will affect the computer and whether they need to be retained or uninstalled. In fact, Logitech drivers have no impact on the user's computer and can be safely retained. Will the Logitech driver affect the computer? Answer: Basically it will not affect the user’s computer. The Logitech driver package itself is not large and will basically have no impact on the user's computer. Whether the Logitech driver needs to be uninstalled from the computer: 1. No, because the installation package of the Logitech driver is very small and basically has no impact on the user's computer, so you can choose to keep it. 2. If the user's mouse is no longer used, or a new mouse is replaced, you can also choose to uninstall it. In fact, whether the Logitech driver is retained or uninstalled depends on the user's system running memory.

2024-01-16 comment 0 745

How to download the Logitech gpw driver. Introduction to how to download the Logitech mouse driver.

Course Introduction：Logitech mouse is a relatively famous mouse brand, and Logitech gpw mouse is loved by many players. After connecting a Logitech mouse, it is best to install the corresponding mouse driver to help users better control and manage the mouse. So how to download the Logitech gpw driver? Let’s take a look at the detailed introduction. How to download Logitech driver software? 1. We first need to enter Logitech’s official website. 2. Then select software download. 3. Then select Downloads and Applications. 4. Then click to enter Logitech GHUB. 5. Then select the system version. 6. Finally, click download now to download.

2024-08-26 comment 0 650

How to connect the Logitech driver to the device How to connect the Logitech driver to the device

Course Introduction：How to connect the Logitech driver to the device? When we use the Logitech driver, we can add devices for manipulation. So how does the Logitech driver connect to the device? We only need to plug the device into the computer and wait for the driver to automatically recognize it. Let this site carefully introduce to users how to connect the Logitech driver to the device. Logitech driver connection device method 1. First, we open the Logitech driver. 2. Then click Add Device. 3. Then plug the device into the computer, and the driver will automatically recognize the device. 4. If it cannot be recognized, we can select the type and model. 5. Then click Connect and wait automatically.

2024-09-12 comment 0 575

How to set macros on Logitech GHUB Logitech mouse macro setting tutorial

Course Introduction：Logitech GHUB supports user-defined mouse functions. The interface is simple and intuitive, and the operation is simple. Do you know how to set macros on Logitech GHUB? In this tutorial, the editor will introduce to you how to set macros in Logitech GHUB. If you are interested, come and take a look. How to set macros on Logitech GHUB? 1. Open the software and click on the location shown in the picture to activate the configuration. 2. Click Macro Selection to make settings. 3. Set the name of the macro and press Enter to enter the macro creation interface. 4. As shown in the figure, users can freely choose the type of macro. 5. After selecting, you can create various methods such as recording. After the settings are completed, click Save.

2024-08-26 comment 0 591

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