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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11366

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 17667

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 11382

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 imitates QQ mall with left and right buttons to control focus image switching scrolling effect_jquery

Course Introduction：jquery image special effects are produced to imitate the focus image carousel switching effect of the banner on the homepage of Tencent QQ Mall, with index button control and left and right buttons to control image switching. The example code is as follows. Interested friends can refer to it.

2016-05-16 comment 0 1018

HTML, CSS and jQuery: Techniques for achieving image transparency switching effects

Course Introduction：HTML, CSS and jQuery: Tips for realizing image transparency switching effects In modern web design, image transparency switching effects have become a very common design element. By controlling the transparency changes of images, you can add dynamic effects to web pages and improve user experience. To achieve such special effects, we can use HTML, CSS and jQuery. The specific techniques will be introduced below, with code examples attached. HTML part First, we need to create pictures and corresponding control buttons in HTML

2023-10-25 comment 0 1411

How to post your mood in Sentence Control How to post your mood

Course Introduction：As a sentence lover who loves words and expressions, sharing your inner world with others by posting emotional sentences is a unique and profound way of emotional communication. Recording your daily feelings and thoughts on a digital platform is like lighting up a beacon in the vast sea of people, attracting souls who also love words and long for resonance. Steps to use sentence control to post your mood: 1. First, click the sentence control icon on the desktop of your mobile phone. 2. Then click the + in the middle of the bottom of the page after switching the page. 3. Then click the Write Mood button after switching the page. 4. After the last page switch, first write the mood content, then insert pictures and add topics, and then click publish.

2024-06-05 comment 0 718

4 recommended articles about hwSlider

Course Introduction：After the explanations in the first two parts, we roughly know the basic development ideas and techniques of content sliding switching. Now in the third part, we optimize the code in the first two parts and encapsulate it into a jQuery plug-in: jquery.hwSlide.js. Developers can easily create various image carousel effects, focus image effects, and graphic and text mixed sliding effects. View Demo Download Source Code hwSlider has the following features: Multiple parameter customization to meet different project needs. Supports mobile touch sliding. branch...

2017-06-13 comment 0 1500

Course Introduction：After the explanations in the first two parts, we roughly know the basic development ideas and techniques of content sliding switching. Now in the third part, we optimize the code in the first two parts and encapsulate it into a jQuery plug-in: jquery.hwSlide.js. Developers can easily create a variety of picture rotation effects, focus map effects, graphic mixed sliding effects. View Demonstration Download Source Code HWSLIDER has the following characteristics: multiple parameters customize to meet the needs of different projects. Supports mobile touch sliding. branch...

2017-06-13 comment 0 1451

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