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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11274

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 17599

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 11309

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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JS simple method to implement city secondary linkage selection plug-in_javascript skills

Course Introduction：This article mainly introduces the JS method to simply implement the city's secondary linkage selection plug-in, involving JavaScript implementation of select traversal and setting skills. It is very simple and practical. Friends who need it can refer to it.

2016-05-16 comment 0 1180

How Ajax realizes urban secondary linkage

Course Introduction：This time I will show you how Ajax realizes the second-level linkage of cities. What are the precautions for Ajax to realize second-level linkage of cities. The following is a practical case, let’s take a look.

2018-04-02 comment 0 1823

Application example of ajax+php secondary linkage menu without refreshing_PHP tutorial

Course Introduction：An application example of ajax+php without refreshing the secondary linkage menu. This php ajax application example uses ajax+php to call the city's secondary linkage menu, so that we can update it in real time based on the database content. This php tutorial ajax application example is a

2016-07-13 comment 0 1137

realme 12 Pro series mobile phone parameters revealed: Snapdragon 6 Gen1/7s Gen2 optional, expected to be priced from 1,799 yuan

Course Introduction：According to news on February 19, Realme officially announced today that the Realme 12Pro series of mobile phones will be released in China at 14:00 on February 27, known as the "mid-range disruptor." At present, the series of mobile phones have appeared in the China Telecom terminal product library. The parameter information of the series of mobile phones is as follows: realme 12Pro mobile phone SoC: Qualcomm Snapdragon 6Gen1 Color: Deep Sea Submersible, Sky Navigation Screen: 6.7-inch OLED screen, resolution 2412×1080 RAM: 8/12GB Storage space: 256/512GB Front camera: 16MP Rear camera: 50MP+32MP+8MP Weight: 188g Battery: 5000mAh Price: 8+256 for 1799 yuan; 12+512 for 2

2024-02-19 comment 0 1335

Longsys will equip mobile phone storage products with Western Digital flash memory for use in the Greater China market

Course Introduction：Longsys announced at today's CFMS2024 (China Flash Memory Market Summit) that it will strengthen its cooperative relationship with Western Digital and work together to explore and support market opportunities for the next generation of artificial intelligence-based mobile terminal storage and applications. Based on the long-term cooperation between the two parties, Longsys and Western Digital will further deepen their business cooperation and provide "market-leading" customized embedded storage solutions for the mobile phone market in Greater China (including mainland China, Hong Kong, Macao and Taiwan). Longsys will use Western Digital's flash memory in its storage products for the mobile phone market, and Western Digital will also provide comprehensive technical and engineering support to help Longsys provide mobile terminal storage solutions in the Greater China region. Cai Huabo, Chairman and General Manager of Longsys, said: “AI is playing an important role in the field of mobile phones.

2024-03-21 comment 0 531

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