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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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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Introduction to html5 calling app sharing function

Course Introduction：This article mainly introduces the relevant information of the HTML5 calling app sharing function example (WebViewJavascriptBridge). The content is quite good. I will share it with you now and give it as a reference.

2018-07-02 comment 0 6732

How to measure the timbre with the Litchi app? Introduction to the method of measuring the timbre with the Litchi app

Course Introduction：In the Litchi app, users can easily test their own timbre and understand their unique charm in the field of sound. The Litchi app provides users with a professional and convenient timbre testing function to help users more accurately understand the characteristics of their own voice. Next , we will introduce in detail the method of measuring the timbre of the Litchi app. Introduction to the method of measuring the tone of the Litchi app. Open the Litchi app on your mobile phone, select My Tasks to jump to the page, select the novice task - identify your voice, go to the identification page, click and hold to record, and after recording the sound, you can identify the personal sound quality attributes.

2024-07-01 comment 0 802

Introduction to gel app functions

Course Introduction：What is the gel app? The Jelly app has become very popular recently, and many users have downloaded it. When they started to play it, they didn’t know how to play it or what they could do on this app. Here is the editor’s introduction to the Jelly app. What is Jelly app? Jelly app is a virtual social platform with a trendy image as the theme. It is like a metaverse version of WeChat. It has several features: 1. Rich customizable 3D virtual images, which can be matched according to your own preferences. 2. Its homepage is a square, which is equivalent to a 3D friend list, but only 50 friends can be added. 3. You can post a plog, which is a circle of friends with music added. So it is an acquaintance social application based on 3D virtual images. In the gel space, most

2024-04-16 comment 0 1033

Summarize and share a brief introduction to uni-app

Course Introduction：This article gives you a brief introduction to the relevant knowledge of uni-app, including issues related to directory structure, life cycle, routing and style layout. I hope it will be helpful to you.

2022-02-17 comment 0 4426

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