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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17637

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 11349

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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How to achieve intermittent circular scrolling effect of JS text

Course Introduction：This time I will show you how to achieve the intermittent cyclic scrolling effect of JS text. What are the precautions for realizing the intermittent cyclic scrolling effect of JS text? The following is a practical case, let's take a look.

2018-03-17 comment 0 2431

Various JQuery loop scrolling text and picture effect codes_jquery

Course Introduction：This article mainly provides you with a variety of JQuery loop scrolling text and image effect codes, horizontal and vertical looping of text or images. Interested friends can refer to it.

2016-05-16 comment 0 1577

How to achieve text circular scrolling effect in css

Course Introduction：How to implement circular scrolling of text in css: 1. Use the animation attribute on the text element to bind a circular animation; 2. Use the "@keyframes" rule and the "transform: translateX (value %)" statement to set the text in each frame of the animation Just move the position.

2021-11-09 comment 0 20791

JS practical example of line-by-line text cycle scrolling effect with pauses

Course Introduction：JS practical example of line-by-line text cycle scrolling effect with pauses

2016-12-05 comment 0 1099

Friendly link horizontal text upper and lower gap circular scrolling JS effect_link special effect

Course Introduction：Friendly link text has a circular scrolling JS effect with upper and lower gaps. It imitates the js effect code for scrolling up and down single lines and multiple lines on the QQ channel. It can be used for news. Friendly links scroll with upper and lower gaps. It is very practical. Friends who need to know more can refer to it.

2016-05-16 comment 0 1173

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