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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11373

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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Details about 6 cool HTML5 e-book page turning animations

Course Introduction：I believe you must have encountered some e-book websites where we can browse the content of e-books by turning pages like reading a book. The HTML5 application we want to share today is related to e-book page turning. The 6 e-book page turning animations we have selected are very cool, and they all provide source code downloads. Friends in need can download and use them. 1. jQuery book page turning 3D animation special effects The jQuery book page turning 3D animation I want to share today is more powerful, can support the flipping of any number of pages, and also has very beautiful visual effects. The content of the book supports any HTML element, which is quite flexible. Online demonstration ..

2017-03-06 comment 0 5356

Cool HTML5 e-book page turning animation effects_html5 tutorial skills

Course Introduction：This article mainly introduces the cool HTML5 e-book page turning animation effects. This HTML5 page turning animation can use the mouse to drag the page to simulate the effect of manual page turning. You can also click on the border of the book page to quickly turn the page. Interested Friends, you can refer to it

2016-05-16 comment 0 2874

html5的history API

Course Introduction：I have to admire the Google Chrome team for using HTML5 and CSS3 to implement a very beautiful online e-book: "20 Things About Browsers and the Internet". Visit address: http://www.20thingsilearned.com Speaking of this electronic book

2016-11-22 comment 0 2150

python编写网页爬虫脚本并实现APScheduler调度

Course Introduction：爬虫爬的页面是京东的电子书网站页面，每天会更新一些免费的电子书，爬虫会把每天更新的免费的书名以第一时间通过邮件发给我，通知我去下载

2016-06-16 comment 0 1711

php 与电子书的关系解决方法

Course Introduction： php 与电子书的关系http://www.wqbook.com/ebooks/20101227/030830-01_Output/web/flipviewerxpress.html今天突然看到这样一个网页，突然疑惑，php怎么调用电子书呢，之前做过电子书是。exe，小弟不才，没想到方法，哪位大哥能给个提示或者资料，非常感谢------解决方案---

2016-06-13 comment 0 1005

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