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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11325

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 17632

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 11338

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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PHP automatically performs the login operation after discovering that the login has expired, and then continues the previous step.

Conditions: There is a third-party website, and every step of the operation needs to be logged in. Now I have built a simple front-end page and used PHP to make a springboard in the middle. Process: Every request on the page I built is transmitted to the PHP springboard through ajax, and then the PHP springboard uses curl to simulate operations to request and transfer data to the third-party website. I store the session information in the database, and then retrieve it from the database before each curl operation, and then carry it with curl. Problem: Third-party websites have login expiration restrictions. So one of my operations here may

2022-06-13 15:06:16

How do I get my image to appear on the page's main display?

What I want to do is receive some photos using NASAAPI. These photos are then displayed on my page's thumbnail and main display. I'm just trying to figure out why the code doesn't get the image from the thumbnail and display it on the page. I also use HTML5 and above version of the template website. I'm not very familiar with the code. Any help is greatly appreciated. So the way the site seems to work is that it takes the image src and tag href values to display them in the thumbnail and main display. I'm using fetch requests to get NASAAPI information. Then I use data.map method

2024-04-06 15:33:12

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

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What does portal system mean in php? Application scenario sharing

Course Introduction：PHP portal is a Web portal system developed based on PHP language. It is built on a Web server and uses the Web as a carrier. It combines all the information of the website, business systems and Internet information resource classifications according to a certain structure. Together, it provides users with a comprehensive site with services such as online office work, information inquiry, communication and interaction. It is also usually called "entrance site", "default page", "home page", "opening page", etc.

2023-03-22 comment 0 1583

What does php portal mean?

Course Introduction：PHP portal is a Web portal system developed based on PHP language. It is built on a Web server and uses the Web as a carrier. It combines all the information of the website, business systems and Internet information resource classifications according to a certain structure. A comprehensive site that provides users with services such as online office work, information inquiry, communication and interaction, etc. It is also commonly known as "entrance site", "default page", "home page", "opening page", etc.

2023-05-22 comment 0 2011

Analyze and solve the problem of PHP users failing to add messages

Course Introduction：In the process of building a website, the message board is an indispensable module for recording user feedback and opinions. When users add messages to message boards, they sometimes encounter failure to add messages. This article will analyze the possible causes of this problem and provide solutions. Possible reason 1: Database connection problem For most websites, message boards need to save message information in the database. Therefore, when a user adds a message, he first needs to establish a connection with the database. If the connection fails, the message information cannot be saved to the database, causing the message to fail to be added. cause

2023-04-25 comment 0 540

What are the php programs?

Course Introduction：PHP programs include: 1. Website development; 2. Content management system (CMS); 3. E-commerce platform; 4. Social media applications; 5. Information portal; 6. API development; 7. Used to develop blogs and forums , news websites, online question and answer communities, online learning platforms and other types of web applications.

2023-07-14 comment 0 1533

Which one is better, Zhongguancun Online or PConline?

Course Introduction：1. Which one does better, Zhongguancun Online or PConline? No one is authoritative, whoever pays more can produce better products. 2. Are there any foreign websites similar to Pacific Computer Network and Zhongguancun Online? In the Internet age, are there any large-scale websites abroad like Pacific Computer Network and Zhongguancun Online? If so, what is their development status? 1: Are there any personal computer websites like Pacific Computer Network and Zhongguancun Online in foreign countries? There are indeed personal computer websites similar to Pacific Computer Network and Zhongguancun Online in foreign countries. These websites usually provide rich product information and services, and have strong community functions, which can provide users with a real-time communication platform. The success of these websites is due to their rich content, powerful functionality and user-friendly experience.

2024-08-06 comment 0 699

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