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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11371

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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mysql source code installation linux

Course Introduction：MySQL is a free open source database management system that is widely used in Linux systems. This article will introduce the source code installation process of MySQL to help readers install MySQL and run it smoothly. 1. Download the MySQL source code. The MySQL source code can be downloaded from the official website of MySQL. Before downloading, you need to pay attention to the version number of the database and the system architecture. Downloading the correct version of the source code can ensure a successful installation. 2. Install the compiler and dependency packages. Compilation of MySQL requires the use of the gcc compiler and some

2023-05-12 comment 0 638

Computer repair website source code-free download, quick construction

Course Introduction：1. Computer maintenance website source code - free download, quick construction of computer maintenance website source code Introduction Computer maintenance is a popular industry, which not only involves hardware maintenance and software troubleshooting, but also includes network settings, system optimization, etc. For computer repair companies, it is crucial to have a stable and efficient website source code. This article will introduce you to an excellent computer repair website source code. The source code has rich functions and a simple and elegant interface design, which can help computer repair companies quickly build professional websites and enhance brand image and user experience. The computer maintenance website source code has comprehensive functions: the source code integrates various functional modules required for computer maintenance, including online appointment, fault repair, maintenance record inquiry, etc., making it convenient for users to submit service requests and inquire about maintenance.

2024-08-24 comment 0 916

9 reasons why Linux is preferred by developers!

Course Introduction：This is a deeply pseudo-original version: Linux is an open source operating system developed and released under the GNU General Public License (GPL) and is free to use. As long as the terms of the license are followed, users can run, study, modify and redistribute the source code. Most of the devices we use daily run Linux-based or customized versions of Linux, including Android phones, tablets, cameras, video recorders, wearables, Chromebooks, and more. (Fun fact: Most of the internet services and social media sites you use are based on Linux because it's the most trusted operating system.) Here are 9 reasons why developers like to make Linux their default

2024-02-10 comment 0 914

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 1221

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1077

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