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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11321

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 17629

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 11331

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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jQuery realizes blinds focus chart animation effect code sharing (with source code download)_jquery

Course Introduction：This article mainly introduces the relevant information of jQuery to realize the animation effect of blinds focus picture (with source code download). Friends in need can refer to it.

2016-05-16 comment 0 1355

Use CSS3 to implement blind focus map animation example code

Course Introduction：This is a shutter focus image animation based on CSS3. There are 4 different shutter animation styles. Each one seems very simple, but it is quite practical. What’s more noteworthy is that the plug-in provides 4 different blind effects, including horizontal blinds, vertical blinds, and fade-in and fade-out blinds. Moreover, the CSS3 blinds image switching plug-in switches very smoothly and the effect is very good. Online demo source code download We have listed the source code of one of the shutter styles, and you can download the source file to view the others. HTML code <section class='cr-container'..

2017-03-20 comment 0 1867

JS implements web page blinds effect_page background

Course Introduction：JS implements the web page blinds special effects code, the blinds JS code, you will understand the effect when you preview it. The web page special effects are cross-switched from top to bottom, like the effect of closing the blinds. The blinds effect is applied in various programming codes. It is indeed a classic effect

2016-05-16 comment 0 1635

Implementing shutter animation effects based on JavaScript is not only possible with simple flas_javascript skills

Course Introduction：When I saw the animation of this kind of blinds effect, I thought it was made with flash. Here I will introduce to you how to realize the blinds animation effect based on JavaScript through this article. Friends who need it can refer to it.

2016-05-16 comment 0 1336

JS realizes green and white vertical web page blinds animation switching effect_javascript skills

Course Introduction：This article mainly introduces js to realize the animation switching effect of green and white vertical web page blinds. It analyzes the techniques of javascript to realize the animation effect of blinds with examples. Friends who need it can refer to it.

2016-05-16 comment 0 1196

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