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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11328

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 17632

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 11339

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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Javascript HTML5 Canvas implements Lab bicycle animation effect_javascript skills

Course Introduction：This article mainly introduces the Canvas of javascript HTML5 to realize the Lab bicycle animation effect. It involves the use of javascript Canvas with mathematical operations to realize the bicycle animation effect. Friends who need it can refer to it.

2016-05-16 comment 0 1724

2D simulation to realize Ferris wheel rotation animation special effects

Course Introduction：This time I will bring you 2D simulation to realize the Ferris wheel rotation animation special effects. What are the precautions for using 2D simulation to realize the Ferris wheel rotation animation special effects? The following is a practical case, let's take a look.

2018-03-22 comment 0 3447

纯CSS3实现动态火车行驶特效_html/css_WEB-ITnose

Course Introduction：纯CSS3实现动态火车行驶特效

2016-06-24 comment 0 1549

Detailed introduction to the code example details of HTML5 simulated gear animation

Course Introduction：This is a gear animation special effect based on HTML5. We convert the physical principles of gear rotation into HTML5 code and implement the animation effect of simulated gear rotation on the web page. The biggest feature of this gear animation is that it is composed of multiple gears, which greatly increases the algorithm requirements for gear transmission. Moreover, we did not use JavaScript, but pure CSS3 to implement it. Online demo source code download HTML code <div id='level'> <div id='content'> <div id='gears..

2017-03-06 comment 0 1449

SVG-based odometer digital motion blur special effects plug-in

Course Introduction：odoo.js is an odometer digital motion blur special effects plug-in based on HTML5 SVG. This plug-in is used to simulate the effect of rapid flipping of odometer numbers. It's easy to use and has a motion blur effect when the numbers are flipped, which is very cool.

2017-01-18 comment 0 1668

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