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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11324

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 17630

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 11334

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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Guide to Fitness and Sports Website Development in PHP

Course Introduction：As modern people pay more and more attention to health and body, more and more people are paying attention to fitness exercises, and fitness clubs have become popular cultural and entertainment venues. In order to better meet market demand, more and more fitness clubs, fitness equipment companies, fitness coaches and other enterprises and individuals have begun to expand their business to the Internet and launch various fitness sports websites, apps and other products to better serve users Provide richer, more convenient and better fitness services. As a dynamic programming language widely used in Web development, PHP is also increasingly used

2023-05-21 comment 0 1237

How to encourage signups with a \'Join the Club\' modal and fading content

Course Introduction：Imagine browsing a website, catching a glimpse of intriguing content just out of reach, with a simple modal enticing you to "join the club" for unlimited access. This subtle yet effective design piques curiosity while encouraging action. In

2024-11-27 comment 0 979

Apple acquires AI music startup to lead dynamic soundtrack revolution

Course Introduction：Apple has acquired AIMusic, a startup that uses artificial intelligence to generate personalized soundtracks and adaptive music. AIMusic has developed an "infinite music engine" designed to create custom audio solutions for marketers, publishers, fitness professionals and creative agencies. The technology is capable of generating dynamic audio tracks that change based on user interaction. For example, music during a workout can change based on the wearer's heartbeat, adapting to the intensity of the workout. AIMusic describes it as a feature that allows advertisers to create audio that matches user context, such as mood. AIMusic's website is no longer running, but the company's previous LinkedIn page said its "mission is to redefine our

2023-04-23 comment 0 1405

JD.com App introduces a fund purchase portal and adds wealth account, fund investment advisory and other related services

Course Introduction：According to news from this site on August 4, JD App has launched a fund purchase entrance on August 3. After actual testing on this site, users can enter the fund entrance of Jingdong App by directly searching for "fund" in the top search bar. The entrance interface adopts a "shelf-style" layout similar to other Internet platforms. The dock bar at the bottom includes five areas: homepage, stability, market, optional and position. In addition, in the "more" section of the "homepage" section, JD.com's funds The sales side has also launched popular sections, smart investors, JD Fortune Account, fund investment advisory and other sections, as well as entertainment-oriented functions such as guessing the rise and fall and simulated stock trading. Previously, the "Fund" section of JD.com was located in the JD.com Financial App.

2023-08-04 comment 0 792

Six departments including the Ministry of Industry and Information Technology: The target is to have the computing power scale exceed 300 EFLOPS and the total storage capacity exceed 1800EB by 2025

Course Introduction：According to news from this site on October 9, six departments including the Ministry of Industry and Information Technology, the Cyberspace Administration of China, the Ministry of Education, the National Health Commission, the People's Bank of China, and the State-owned Assets Supervision and Administration Commission of the State Council jointly issued the "Action Plan for the High-Quality Development of Computing Infrastructure" "(hereinafter referred to as the "Action Plan"), it is proposed that by 2025, in terms of computing power, the scale of computing power will exceed 300EFLOPS, the proportion of intelligent computing power will reach 35%, and the computing power of the east and west will develop in a balanced and coordinated manner. In terms of carrying capacity, the national hub node data center clusters can basically achieve direct network transmission with a delay no higher than 1.5 times the theoretical delay. The optical transport network (OTN) coverage rate in key application sites has reached 80%, and the backbone network and metropolitan area network are fully supported. The use of innovative technologies such as IPv6 and SRv6 accounts for 40%. In terms of storage capacity, storage

2023-10-11 comment 0 640

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