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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11382

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 17695

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 11394

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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Huawei Mate X5 mobile phone 'fluid armor' revealed: the difference between daily use and impact

Course Introduction：Original title: Huawei Mate The flexible inner screen of the mobile phone builds a layer of "fluid armor", which not only enhances the practicality and durability of the folding screen mobile phone, but is also the first application of non-Newtonian fluids in consumer electronics. Non-Newtonian fluid is a concept of fluid mechanics. As opposed to Newtonian fluid, it refers to a fluid that does not satisfy Newton's experimental law of viscosity, that is, a fluid whose shear stress and shear strain rate are not linearly related. Including blood, starch solution, etc. are common non-Newtonian fluids, which will change viscosity due to pressure or impact. 1.Huawei uses

2024-08-21 comment 0 1045

The big carousel function developed by WeChat

Course Introduction：WeChat marketing is a new marketing model. Since WeChat pays more attention to the interaction between users, this kind of marketing promotion cannot blindly apply the simple large-scale advertising push method of Weibo marketing. This method is very ineffective in WeChat marketing and will make users disgusted and then cancel the WeChat public account of the company or merchant. For enterprises, an important aspect of WeChat promotion is to improve the viscosity between users and public accounts, and WeChat Carousel is one of the most common activities.

2017-05-08 comment 0 3289

Tencent Cloud AI Code Assistant is fully open to the public

Course Introduction：On May 22, Tencent Cloud officially announced that its AI code assistant is fully open to the public. Currently, developers, development teams, and enterprise customers can experience it online through Tencent Cloud’s official website. Tencent Cloud AI Code Assistant is a digital tool for intelligent positioning code completion and generation. It is based on Tencent's mixed code model and can provide developers, development teams and enterprise customers with safe, compliant, and high-viscosity experience coding scenario AIGC services. , with functions such as agent code completion, technical dialogue, code diagnosis, unit testing, etc., supports ten programming languages or frameworks such as Python, Java, C/C++, and Go, and integrates with mainstream integrated development environments. In terms of code completion, the AI code assistant can provide good automatic completion based on multi-file understanding and context.

2024-05-31 comment 0 979

Huawei Mate X5: Ushering in a new era of non-Newtonian fluid 'fluid armor'

Course Introduction：According to the South China Morning Post, after several years of continuous research, Huawei's latest MateX5 mobile phone has successfully applied non-Newtonian fluid "fluid armor" technology. This technology adds a unique protective layer to the flexible inner screens of MateX3 and MateX5 phones, significantly improving the practicality and durability of foldable screen phones. This also represents an innovative application of non-Newtonian fluids in consumer electronics. Non-Newtonian fluids are a cutting-edge concept in fluid mechanics and are significantly different from traditional Newtonian fluids. Its viscosity changes non-linearly when subjected to pressure or impact. After more than three years of in-depth research, Huawei has successfully applied this principle to the flexible internal screen of the MateX5 mobile phone. This special material remains soft and feel-free in everyday use, but when

2024-03-06 comment 0 1258

How to use the shake function in WeChat to search for songs

Course Introduction：Where is WeChat's shake to search song function? WeChat shake is a random dating application launched by Tencent, which provides a shake function in WeChat. Users can simulate a shake action by shaking their phone or clicking a button, and the system will match WeChat users who trigger this function during the same period, thereby promoting interaction between users and increasing WeChat usage viscosity. The entrance to Shake is the interface for finding friends. After entering the shake interface, shake your phone gently, and WeChat will help you search for people who shake their phones at the same time as you - whether they are in the same party or friends thousands of miles away. With the shake function, you can quickly find and interact with friends who are shaking your phone with you. Shake to the friend and click directly to start chatting. Click Settings to

2024-01-05 comment 0 2103

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