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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11300

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 17615

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 11321

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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Build inclusive multilingual websites with PHP

Course Introduction：Multilingual Support in PHP PHP provides various features to support the development of multilingual websites. You can use the following functions: gettextext() function: Get the translated text setlocale() function: Set the locale bindtextdomain() function: Bind the text domain textdomain() function: Set the text domain Steps to build a multilingual website Building a multilingual website involves Following steps: Select language: Determine the languages you want to support. Create translation files: Create translation files (such as .po and .mo files) for each language. Set locale in PHP: Use the setlocale() function to set the locale of the website. Bind text fields: use bindte

2024-02-19 comment 0 917

The development of multi-language support in the golang framework

Course Introduction：Multi-language support in the Go framework includes: locale package: manages locales and regions. template package: A template system for generating multilingual content. fmt bundle: Format strings in a specific locale.

2024-06-06 comment 0 722

Does docker support bridge mode?

Course Introduction：Docker supports bridge mode; Docker network bridge bridge mode is the default mode when creating and running containers. This mode assigns an independent network card to each container and bridges it to the default or specified bridge. Containers under the same Bridge can communicate with each other.

2022-03-08 comment 0 3217

Do I need to buy a wireless network card if the motherboard supports wifi?

Course Introduction：Do I need to buy a wireless network card if the motherboard supports wifi? You need to buy a wireless network card. Because the motherboard does not necessarily come with a wireless network card, some motherboards need to purchase a wireless network card separately to support the wifi function. At the same time, if the performance of the wireless network card that comes with the motherboard is poor, you can also choose to purchase an independent wireless network card to improve network speed and signal stability. In addition, you should also pay attention to the compatibility of the motherboard and wireless network card, refer to the motherboard manual or consult the relevant manufacturer’s after-sales service. Is it better to have wifi 6 on the motherboard or a wireless network card? The wifi6 on the motherboard is better than the wireless network card. The reason is that the wifi6 on the motherboard can be directly integrated with the motherboard, does not require additional slots and power supplies, and is faster and has a more stable signal. The wireless network card needs to be plugged into the PCI of the motherboard

2024-02-07 comment 0 1607

Getting Started with PHP: Template Method Pattern

Course Introduction：PHP is a popular web development language that is widely used to build dynamic web pages and web applications. PHP supports many different programming patterns, including object-oriented programming, functional programming, and design patterns. Among them, the template method pattern is a common design pattern that can help developers build maintainable and extensible code. What is the template method pattern? The template method pattern is a behavioral design pattern that defines an abstract base class that contains one or more template methods. These template methods define the algorithm

2023-05-22 comment 0 1155

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