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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 11345

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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Convert .HEIC to .JPG using ImageMagick in PHP

I'm hoping to try and create a small image converter that converts HEIC files uploaded to phpWeb documents to .JPG (or any other common file format). I'm running PHP on a unix server and have ImageMagick installed on the server. The following command line code runs on the server: mogrify-formatjpg*.HEIC I want to convert this command line code to PHP. As mentioned before, I like to convert command line formatting code to PHP. I currently have the following code set up in a basic HTML+PHP form. just

2023-11-02 17:38:57

How to solve the problem of querySelector only selecting the first element?

I'm trying to make a calendar where when I click on one of the dates a form pops up that you have to fill out. I can't get it to work. The only time I got to work was on the first "1" date. Everything else doesn't work and I don't know how to fix it. I tried rewriting the code and switching to id but nothing worked. Any help is appreciated. Thanks! document.querySelector(".weekdays").addEventListener("click",

2024-01-10 16:23:33

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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How to convert word document into excel table

Course Introduction：How to quickly convert a Word table to an Excel table: Direct method: Copy and paste the table contents. Indirect method: Save as CSV file. Import CSV files into Excel. Advanced methods (complex formats): code conversion. Image Identification.

2024-05-02 comment 0 757

What can convert a source program written in a high-level language into a target program?

Course Introduction：A "compiler" converts a source program written in a high-level language into a target program. A compiler refers to a translation program that translates a source program written in a high-level programming language into an equivalent target program in machine language format; a compiler takes a source program written in a high-level programming language as input and uses assembly language or machine language as input. Represents the target program as output.

2020-11-03 comment 0 56561

What does url transcoding mean?

Course Introduction：URL transcoding is the process of converting special characters in a URL into a safe format, ensuring that the URL does not go wrong during transmission. It replaces special characters with their hexadecimal encoding, such as spaces to "%20" and question marks to "%3F". URL transcoding can be done through online tools, programming languages, or HTML form encoding.

2024-03-28 comment 0 1109

How does navicat open the table code?

Course Introduction：The steps to open table code in Navicat are as follows: Connect to the database. Navigate to the target table. Switch to the SQL editor. Get the table code.

2024-04-24 comment 0 910

Easy way to convert time format to number in PHP

Course Introduction：An easy way to convert time format to numbers in PHP In PHP development, converting time format to numbers is a common requirement. Sometimes we need to convert date and time format into numeric form for calculation, comparison or storage. This article will introduce a simple method to achieve this conversion, while providing specific code examples. In PHP, time is usually expressed in a formatted form, such as "Y-m-dH:i:s" which means year-month-day hour:minute:second. But sometimes we need to convert this format into digital form,

2024-03-20 comment 0 1218

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