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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11324

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 17630

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 11334

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 make a message board with jquery

Course Introduction：jQuery is a JavaScript library that is widely used in website development. Adding a message board to a website is a common requirement. jQuery provides a wealth of features that can help developers quickly create a highly interactive message board. This article will teach you to use jQuery to create a message board, including front-end page design and background data processing. ## The first step in message board page design is to design the message board page. You can use HTML and CSS to create a beautiful page. The basic structure of the message board is as follows:```html<d

2023-05-28 comment 0 1612

How to Open a Bootstrap Modal Window Using jQuery?

Course Introduction：Opening Bootstrap Modal Window using jQueryIn Bootstrap, you can manually manipulate modal windows using specific functions.Function Call...

2024-11-14 comment 0 789

What are the php message board function modules?

Course Introduction：The php message board function modules include: Browse messages, users can view all public message information in the system. Signature management, users can sign public messages or private messages. Manage messages. Administrators can reply to messages, delete messages, pin messages to the top, hide messages, etc. System settings, administrators can change passwords, set system parameters, etc.

2019-10-21 comment 0 3984

Learn the template functions in Go language and implement dynamic rendering of web page templates

Course Introduction：Learn the template functions in the Go language and implement dynamic rendering of web page templates. Introduction: In Web development, the use of dynamic web page templates is very common. In the Go language, we can achieve dynamic rendering of web page templates by using template functions. This article will introduce how to learn and use template functions in the Go language, and demonstrate through examples how to implement dynamic rendering of web page templates. Introduction to template functions in Go language The template function is a powerful template extension mechanism provided by the Go language template package. We can customize the function and use it in the module

2023-07-30 comment 0 1277

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