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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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 11321

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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Error: Call to undefined function captcha_src()

ThinPHP reports this error because the captcha extension is not installed. The TP5 framework needs to install the captcha extension to generate verification codes. There are two solutions: one is to install the captcha extension of TP by composer, and the other is to directly download the teacher's source code and overwrite the vendor directory. (simple and efficient)

2019-09-19 23:43:03

spring-boot - Should Java EE novices choose JFinal3.1 or Spring boot?

It is easy to install Spring boot according to the tutorial and write a small demo. Everyone said that Jfinal is very efficient, so I came down and tried it. I found that I had to register to download it. I compared the download with the official document. It seemed to be very simple to use. Then I found that the official community is closed. , I haven’t paid to join yet, so I don’t know...

2017-05-17 10:00:05

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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Simple and efficient JSON

Course Introduction：This time I bring you simple and efficient JSON. What are the precautions for using simple and efficient JSON? Here are practical cases, let’s take a look.

2018-03-16 comment 0 1691

Simple, efficient and cheap web program development, web program development_PHP tutorial

Course Introduction：Simple, efficient and cheap web program development, web program development. Simple, efficient and cheap web program development, web program development WHY PHP? 1. Simple development environment construction The development environment can be simply boiled down to the running environment of the program and the editing and adjustment of the program.

2016-07-12 comment 0 1021

JavaScript simple and efficient judgment of data type series functions By shawl.qiu_javascript skills

Course Introduction：javascript simple and efficient judgment of data type series of functions By shawl.qiu

2016-05-16 comment 0 1169

How to Detect Caps Lock in JavaScript: A Simple and Efficient Approach?

Course Introduction：Detecting Caps Lock with JavaScript: A Simple and Efficient ApproachDetermining whether Caps Lock is activated using JavaScript poses a common...

2024-10-27 comment 0 515

Implementing HTML to HTMLDocx conversion in Vue: a simple and efficient way to generate documents

Course Introduction：Conversion of HTML to HTMLDocx in Vue: a simple and efficient way to generate documents. With the rapid development of the Internet, people have more and more needs for document generation. In Vue.js, a popular JavaScript framework, we can use existing HTML documents and some simple code to convert HTML to HTMLDocx, thereby achieving fast and efficient document generation. HTMLDocx is a Microsoft Office-based

2023-07-21 comment 0 976

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