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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11309

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 17619

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 11326

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 does apache make money?

Course Introduction：The Apache Foundation (ASF) is a privately held 501(c)(3) non-profit charitable organization in the United States that is funded through tax-deductible donations to corporations, foundations, and independent individuals. ASF's annual budget is $1 million, approximately 75% of which is dedicated to infrastructure support services.

2019-10-28 comment 0 5420

Where can digital currencies be used?

Course Introduction：Digital currencies are applicable to a wide range of scenarios, including: retail transactions (e-commerce and physical stores), financial services (payments, investments and loans), supply chain management (tracking goods and optimizing logistics), healthcare (medical record management and drug research and development) and charities and non-profit organizations (donations and transparency).

2024-04-22 comment 0 584

What is AID currency AidCoin?

Course Introduction：What is AID Coin/AidCoin? AID Coin (aka AidCoin) is a digital currency built on blockchain technology designed to provide transparency and traceability to charities and non-profit organizations. AidCoin’s goal is to use the advantages of blockchain and smart contracts to improve the efficiency and transparency of the charity industry. AidCoin’s key goals are to solve challenges faced by charities, such as increasing transparency in fund management, enabling donation tracking, and reliable charity data. With the help of blockchain technology, AidCoin ensures that every donation can be tracked and verified, thereby ensuring transparency in the flow of donations from the donor to the final beneficiary. Use of AidCoin could help charities track and verify

2024-02-24 comment 0 542

Get the Microsoft Basic C# Certification 35-hour course and exam for free!

Course Introduction：Microsoft and freeCodeCamp, a well-known non-profit organization, announced a partnership to provide programming enthusiasts with free C# programming training and basic C# certification opportunities. The cooperation means that students only need to complete about 35 hours of C# training courses on the Microsoft Learn platform and pass the exam to obtain certification. According to understanding, Microsoft spokesperson Katie Savage said in the announcement: "We are very happy to cooperate with freeCodeCamp to provide Learners bring a new basic C# certification course. freeCodeCamp, a charity dedicated to providing free learning resources in the fields of mathematics, programming and computer science, will join hands with Microsoft to create more learning for learners

2023-09-05 comment 0 1152

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1192

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