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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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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Tutorial: Python connects to Huawei Cloud interface to implement OCR text recognition

Course Introduction：Tutorial: Connect Python to the Huawei Cloud interface to implement OCR text recognition. First, in this tutorial, we will learn how to use the Python programming language to connect to the Huawei Cloud interface and use OCR (Optical Character Recognition, optical character recognition) technology to implement text recognition. OCR technology can convert text in images into editable and searchable electronic text, which is very suitable for various text recognition scenarios. Preparations Before starting, we need to complete the following

2023-07-05 comment 0 1087

How to change css font to Chinese regular script

Course Introduction：In CSS, you can use the font-family attribute to set the font to Chinese Xingkai, with the syntax "font-family: Chinese Xingkai|STXingkai". The value of the font-family attribute is a prioritized list of font family names or class family names to use for an element; the browser uses the first value it recognizes.

2021-04-14 comment 0 6856

What are the css fonts?

Course Introduction：The css fonts include: Chinese fine black, Chinese bold, Chinese regular script, Chinese Song, Chinese imitation Song, bold, Song, new Song, imitation Song, regular script, Microsoft Yahei, official script, Youyuan, Chinese fine black, Chinese Zhongsong, Founder Shu Ti, Founder Yao Ti, Chinese Caiyun, Chinese Amber, etc.

2021-04-21 comment 0 8900

Huawei MatePad Pro 12.2 officially released: dual-layer OLED cloud-clear soft light screen + Born to Draw App create the ultimate creative experience

Course Introduction：On August 6, Huawei held a launch event for Hongmeng Smart Travel S9 and Huawei’s all-scenario new products. The new Huawei MatePad Pro 12.2-inch tablet was officially released. This new tablet is equipped with the official version of the Shengshenghua App and is equipped with the world’s first Double-layer OLED cloud clear soft light screen. Huawei MatePad Pro has upgraded its capabilities around the three dimensions of ultimate display, aesthetic leadership, and smart experience, making this flagship tablet a benchmark product in the field of professional creation. The world's first double-layer OLED cloud-clear soft light screen: brighter and more eye-friendly, the ultimate creative large-screen professional display technology has always been the core advantage of Huawei's MatePad series products. The Huawei MatePad Pro 12.2-inch tablet launched this time is equipped with a double-layer OL

2024-08-06 comment 0 1002

Comprehensive introduction to css gradient colors, omission tags, embedded fonts, and text shadows

Course Introduction：The following article brings you a comprehensive understanding of CSS gradient colors, omitted tags, embedded fonts, and text shadows. The content is quite good, so I will share it with you now and give it as a reference.

2018-07-02 comment 0 1873

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