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Self-study IT network Linux load balancing video tutorial

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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

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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

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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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jQuery menu plug-in usage example_jquery

Course Introduction：This article mainly introduces the usage of jQuery menu plug-in. It analyzes the complete usage skills of jQuery menu plug-in in more detail with an example. It has certain reference value. Friends who need it can refer to it.

2016-05-16 comment 0 1253

Detailed explanation of WPS2019 attachment insertion method

Course Introduction：WPS2019 is a document editing and processing software that is widely loved by friends. It can help us easily edit various documents and improve office efficiency. However, some friends may not know how to insert attachments in WPS. Let me introduce the method of inserting attachments in detail. First, open the WPS software and enter the document you want to edit. Find the "Insert" option in the menu bar and click on it. In the drop-down menu, you will see an "Attachments" option, click on it. Next, you will see a file browser window pop up. Here are the steps: 1. Open the WPS2019 software EXCEL table and click "File". 2. Pull down the menu, find and click "Insert"

2024-01-08 comment 0 822

Complete Guide: How to Install PyCharm Plugin Easily

Course Introduction：PyCharm is a powerful Python integrated development environment. By installing plug-ins, its functionality and efficiency can be further improved. This article will introduce you to the installation method of PyCharm plug-in in detail, and provide some common plug-in usage examples so that you can get started easily. 1. Plug-in installation method Installing plug-ins in PyCharm is very simple. Just follow the steps below: Open PyCharm and go to "File" -> "Settings" in the menu bar.

2024-02-26 comment 0 1220

Better Navigation: How to Add a Dropdown Menu in WordPress

Course Introduction：WordPress has a built-in menu management system that makes it easy to add menus to your website. However, as you add more and more pages, posts, and other miscellaneous content, it may become impossible to include every destination in the standard menu bar. In these cases, by replacing the standard horizontal menu bar with drop-down menus, you can easily access every part of your website without cluttering your menu bar. In this quick tip, I’ll share two easy ways you can convert any standard WordPress menu into a dropdown menu. Best WordPress Navigation Plugins Before we get started, I want to mention that you can find over 7,000 of the best ever WordPress navigation plugins on CodeCanyon

2023-09-11 comment 0 1134

How to insert worksheet rows in EXCEL2021 Operation method

Course Introduction：EXCEL2021 is a professional office software launched by Microsoft. The software is simple to operate and can help users edit tables easily. So how to insert worksheet rows? If you don’t know how to operate, you can read the tutorial below. [Operation method] 1. Open the table prepared in EXCEL2021 and click on the position to be inserted. 2. Click the Insert menu and click Insert Worksheet Row. 3. This will insert a row.

2024-02-12 comment 0 1028

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