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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11466

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 17746

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 11449

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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javascript - How to set the avatar in the WeChat applet and solve the image path inside? I saved the path generated by the interface into the database, but it cannot be displayed after the second access.

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2017-05-19 10:08:21

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

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How to Trust Self-Signed Certificates in Java Keystore for All Applications?

Course Introduction：Trusting Self-Signed Certificates in Java Keystore for All ApplicationsTo establish trusted TLS connections, it's crucial to import self-signed...

2024-11-10 comment 0 238

PHP implementation of data encryption and decryption in WeChat applet

Course Introduction：WeChat Mini Program is a new experience developed by WeChat, which allows users to directly use the functions of web pages without installing software. In WeChat mini programs, in order to ensure data security, developers need to encrypt and decrypt data. This article will introduce how to implement PHP implementation of data encryption and decryption in WeChat applet. 1. WeChat applet data encryption and decryption algorithm The encryption and decryption algorithm of WeChat applet is based on the AES-128-CBC encryption mode. It needs to use a 16-byte random string as the initial vector and

2023-05-31 comment 0 3337

How do I import self-signed certificates into the Java keystore for all applications?

Course Introduction：Importing Self-Signed Certificates into Java Keystore for All ApplicationsJava applications inherently do not trust self-signed certificates. To...

2024-11-12 comment 0 1096

How to Import SSL Certificates into the Java Keystore for Application-Wide Trust?

Course Introduction：Importing SSL Certificates into Java Keystore for Application-Wide TrustTo import a self-signed certificate into the Java keystore, ensuring trust...

2024-11-10 comment 0 745

How to use PHP to implement the automatic check-in function of WeChat applet?

Course Introduction：How to use PHP to implement the automatic check-in function of WeChat applet? With the rapid development of WeChat mini programs, more and more companies and individuals are beginning to use WeChat mini programs to provide users with convenient services. Among them, the automatic check-in function is very common in many scenarios, such as schools, enterprises, gyms, etc. This article will introduce how to use PHP to implement the automatic check-in function of WeChat applet and provide specific code examples. 1. Create a database table First, we need to create a table in the database to store check-in records. Can be used

2023-10-26 comment 0 1243

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