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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11322

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 11334

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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JS makes snowflake falling animation special effects

Course Introduction：This time I will bring you JS to create special effects of falling snowflake animation. What are the precautions for making special effects of falling snowflake animation with JS? Here is a practical case, let’s take a look.

2018-06-06 comment 0 3270

How to create animation effects of the planets in the solar system with h5 and c3

Course Introduction：This time I will show you how to use h5 and c3 to animate the movement of planets in the solar system. What are the precautions for using h5 and c3 to animate the movement of planets in the solar system? Here is a practical case, let’s take a look.

2018-01-23 comment 0 3141

How to create a circle animation effect in html5

Course Introduction：This time I will show you how to make a circle animation effect of pictures in HTML5. What are the precautions for making a picture circle animation effect in H5? Here is a practical case, let's take a look.

2018-01-29 comment 0 4444

Douyin releases 2024 214 flower commodity performance control announcement

Course Introduction：In order to ensure that Douyin consumers can successfully purchase flowers during Valentine's Day, improve their shopping experience, and maintain the normal operating order of the platform, we have made some special provisions for the fulfillment of flower product orders from small store merchants on the eve of Valentine's Day: 1. , applicable to Douyin e-commerce platform merchants who sell flower products (except global shopping and instant retail merchants) and creators who share flower products. Flower products refer to products that are released or should be released in the following categories: Flower Express/Flower Simulation/Green Plants and Gardening >> Daily Flowers Flower Express/Flower Simulation/Green Plants and Gardening >> Flower Express (Same City) 2. Different delivery modes Special provisions on timeliness and authority 2.1 Holiday orders shipped through spot delivery mode (00:0 on February 8, 2024

2024-03-07 comment 0 1161

Steps to implement flame effect in CSS3 fonts

Course Introduction：We know that CSS3 can create many cool animation effects, so today’s tutorial is how to use CSS3 font styles to create realistic flame effects text. Let’s take a look.

2017-11-30 comment 0 2043

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