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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11308

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 17618

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 11324

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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Polygonal picture grid layout based on SVG

Course Introduction：This is a polygonal picture grid layout made using SVG. In this layout, SVG is used to divide the screen into multiple polygons, and a background image is set in each polygon. The effect is very good.

2017-01-18 comment 0 1967

golang to svg

Course Introduction：In recent years, with the increasing demand for data visualization, SVG (Scalable Vector Graphics) has become a popular file format. In programming, Golang (Go language) is also popular for its efficiency, concurrency and other characteristics. This article will introduce how to use Golang to generate SVG graphics. 1. Introduction to SVG SVG is a standard file format that uses XML to describe 2D graphics. Unlike pixel or bitmap images, SVG files are graphics saved in vector form and can be infinitely scaled without distortion.

2023-05-16 comment 0 987

How to convert SVG file to binary file

Course Introduction：PHP is a popular server-side programming language that is capable of handling many different kinds of data and file formats. One particularly useful file format is Scalable Vector Graphics (SVG). An SVG file is an XML-based vector graphic that can be rendered using HTML and CSS elements in your browser, so it is very common on the Internet. In this article, I will introduce how to convert SVG files into binary files so that you can use them more conveniently.

2023-03-29 comment 0 855

How to enable ad filtering in Sogou Browser. List of methods to enable ad filtering in Sogou Browser.

Course Introduction：In today's digital era, the proliferation of Internet advertisements has become a major problem for users' browsing experience. In order to provide users with a more refreshing and efficient Internet environment, Sogou Browser has specially launched an ad filtering function, which can effectively block the advertisements in web pages. Various types of advertisements allow users to no longer be disturbed by advertisements when browsing the web. The following will introduce in detail how to enable ad filtering in Sogou Browser. List of methods to enable ad filtering in Sogou Browser: 1. Open the Sogou Browser software on your mobile phone and click on the rightmost "Menu" option in the option bar at the bottom of the page to open it. When a menu window pops up on the page, click the hexagonal "Settings" icon in the lower left corner. 2. After coming to the settings page, slide the screen to find “Advertising” in the lower part.

2024-07-15 comment 0 946

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1190

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