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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11220

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 17564

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 11276

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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What is the software of Dream Weaver CMS?

Course Introduction：Dreamweaver cms is software used to create websites. Dreamweaver CMS is a free and open source PHP open source website content management system, mainly used to create websites. CMS, also known as content management system, has many excellent template-based designs, which can speed up website development and reduce development costs; it can be used to build complex systems of enterprise information portals or e-commerce website platforms, and can also be used to manage Simple content publishing website.

2023-02-13 comment 0 2799

What is the installation address of the php interpreter?

Course Introduction：Installation address of the PHP interpreter: PHP (Hypertext Preprocessor) is an open source scripting language that is particularly suitable for Web development and can be embedded in HTML. Its interpreter can run on Unix, Linux, Windows and other operating systems, and is free. In this article, we will introduce the installation address of the PHP interpreter to help PHP developers and users quickly find the website where they can download the PHP interpreter. 1. PHP official website PHP solution

2023-04-26 comment 0 818

Unable to log in to mysql

Course Introduction：Reasons and solutions for being unable to log in to mysql MySQL is an open source relational database management system that is widely used in various fields such as website development and e-commerce. But sometimes, we encounter the problem of being unable to log in to MySQL. This is one of the most common problems in using MySQL. So, what is the reason why I cannot log in to MySQL? How to solve this problem? 1. Reasons for being unable to log in to MySQL 1. The account name or password is incorrect. To log in to a MySQL account, you need to enter the correct account name and password. If you enter the wrong account, it will cause

2023-05-23 comment 0 3008

OPPO mall old version

Course Introduction：How to restore the Oppo phone to the previous system? 1. To start, first find the application "Settings" icon on the desktop of the phone and click to enter the new operation interface. Next, after arriving at the settings panel, select the "Other Settings" column and click to enter. After reaching the other settings panel, select the "Restore Phone" column and click to enter. 2. After the OPPO mobile phone system version is upgraded, it can be downgraded back to the previous version, but the bottom layer of the system may be modified during the phone flashing process. If you want to downgrade the system version of your mobile phone, it is recommended that you back up your mobile phone data (phone number, text messages, photos, etc.). 3. Enter the OPPO official website and obtain the flash ROM. On the OPPO official website, click "ColorOS", "ROM Download" in sequence

2024-01-12 comment 0 682

Nginx+IIS simple deployment example analysis

Course Introduction：Introduction to nginx: nginx ("enginex") is a high-performance http and reverse proxy server, as well as an imap/pop3/smtp proxy server. nginx was developed by igorsysoev for Russia's second most visited rambler.ru site, where it has been running for more than four years. igor releases the source code under a BSD-like license. In the four years since its release, nginx has become known for its stability, rich feature set, sample configuration files, and low system resource consumption. At present, nginx has been deployed on major domestic portal websites, such as Sina, NetEase, Tencent, etc.; several important domestic video sharing websites have also deployed nginx.

2023-06-04 comment 0 2352

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