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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11312

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 17625

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 11329

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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A preliminary study on the template engine Smarty in PHP

Course Introduction：Nowadays, website development is inseparable from an important component-template engine. A template engine refers to a tool that combines page templates and data to generate HTML code with a specific format. In various website development frameworks, the template engine is an essential component, because the template engine can greatly reduce the duplication of code and improve the dynamics of the page. One of the most common and popular template engines is Smarty. Smarty is a DSL (DomainSpecif

2023-05-11 comment 0 1735

China Telecom releases new generation of Tianyi IoT innovation results

Course Introduction：On November 9, at the 2023 Digital Technology Ecological Conference Internet of Things Innovation Cooperation Forum, China Telecom Tianyi IoT focused on the three major development directions of intelligence, greenness, and certainty, and released a new generation of Tianyi IoT innovation results, covering intelligent Innovative products in three major sectors: connection, converged applications, and 5G customized network; reached strategic cooperation with multiple partners on joint innovation of cloud core AI module technology and strategic cooperation on green and healthy lighting alliance to jointly promote the digital transformation and upgrading of the industry. Strengthen core technology research and create a new generation of Tianyi IoT. Xia Bing, deputy general manager of China Telecom, attended the conference and delivered a speech. He said that the perception, connection, platform and application of the Internet of Things have effectively promoted the intelligence, greenness and integration of all walks of life, and have become one of the main driving forces for the deep integration of the digital economy and the real economy.

2023-11-10 comment 0 917

Template engines for PHP and CGI: How to achieve website reusability

Course Introduction：PHP and CGI template engines: How to achieve website reusability Introduction: When developing websites, we often need to deal with the display of dynamic content. In order to achieve code maintainability and reusability, using a template engine is a wise choice. This article will introduce PHP and CGI, two commonly used template engines, and show how to use them to achieve website reusability through code examples. 1. PHP template engine PHP is a widely used server scripting language with flexibility and powerful functions. PHP template engine is a

2023-07-20 comment 0 1321

China Telecom launches a new generation of Tianyi IoT innovations: a new milestone in intelligence, greenness and certainty

Course Introduction：On November 9, at the 2023 Digital Technology Ecological Conference Internet of Things Innovation Cooperation Forum, China Telecom Tianyi IoT focused on the three major development directions of intelligence, greenness, and certainty, and released a new generation of Tianyi IoT innovation results, covering intelligent connections , integrated applications, and 5G customized network innovative products; it has reached strategic cooperation with many partners on joint innovation of cloud core AI module technology and strategic cooperation on green and healthy lighting alliance to jointly promote the digital transformation and upgrading of the industry. Strengthen core technology research and create a new generation of Tianyi IoT. Xia Bing, deputy general manager of China Telecom, attended the meeting and delivered a speech. He said that the perception, connection, platform and application of the Internet of Things have played an important role in promoting the intelligence, greenness and integration of all walks of life, and have become the basis for the depth of the digital economy and the real economy.

2023-11-11 comment 0 1147

The 'Implementation Guidelines for Digital and Green Collaborative Transformation Development' were issued to promote the deep integration of emerging technologies such as the Internet, big data, artificial intelligence, and 5G with green and low-carbon industries.

Course Introduction：According to news from this website on August 24, digitalization and greening are important trends in the transformation and development of the global economy and society. The Cyberspace Administration of China, the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Natural Resources, the Ministry of Ecology and Environment, the Ministry of Housing and Urban-Rural Development, the Ministry of Transport, the Ministry of Agriculture and Rural Affairs, the State Administration for Market Regulation, the National Data Administration and other departments organized the preparation and issuance of the document. "Implementation Guide for Digital Green Collaborative Transformation Development" (hereinafter referred to as the Implementation Guide on this site). The "Implementation Guidelines" aim to accelerate the development of digital and green collaborative transformation, promote the deep integration of emerging technologies such as the Internet, big data, artificial intelligence, and 5G with green and low-carbon industries, and use digital intelligence and green technologies to transform and upgrade traditional industries. According to the official introduction, the "Implementation Guidelines" focus on innovation leadership, collaborative advancement, open cooperation, and striving for practical results.

2024-08-25 comment 0 632

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