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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11317

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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Example tutorial HTML5 Canvas super cool fireworks bloom animation implementation code_html5 tutorial skills

Course Introduction：This is a cool HTML5 Canvas animation. It will simulate the animation special effects of fireworks blooming in our real life. The effect is very realistic. Let's briefly analyze the process and code of implementing this HTML5 fireworks special effect. It is mainly composed of HTML code. , CSS code and Javascript code, of course the javascript code is the most important

2016-05-16 comment 0 3168

How to use Vue to implement fireworks animation special effects

Course Introduction：How to use Vue to implement fireworks animation special effects Fireworks are a beautiful natural phenomenon and a common special effect in many festivals and celebrations. In web development, we can also implement fireworks animation effects by using the Vue framework. This article will introduce how to achieve this effect through specific code examples. Before we start, we need to prepare the Vue development environment. First, make sure you have Node.js and VueCLI installed. Then, create a new Vue project: vuecreatefirew

2023-09-19 comment 0 1530

Splendid accompanies the arrival of spring. The new welfare event 'Splendid Colorful Clothes' in 'Jian Wang 3: Origin' is here!

Course Introduction：I wish you a happy spring with wine and auspicious snow flying all over Chang'an. The new welfare event "Splendid Clothes" of "Jian Wang 3: Origin" is launched today. The Hidden Yuan Secret Treasure · Memories can be exchanged for free. New customized outerwear, special effects floats and interesting mounts, cute pets, facial expressions, head expressions, etc. are simultaneously available. The auspicious dragon celebrates the new year with extra benefits, including New Year fireworks and cloud point card purchases. The recharge and spending gifts have been renewed, with Year of the Dragon theme customization, exquisite backpacks and waist hangings waiting to be collected! The green hills are painted with brocade, and the skirts are folded and woven. From 7:00 on January 22 to 7:00 on March 4, the new welfare event "Splendid Clothes" will be launched with many new products. By completing tasks during the event, you can obtain a corresponding number of event tokens "Yun Jin Hua Petals", which can be exchanged for discount coupons to purchase customized exteriors "Seeing Green Mountains" and special

2024-01-23 comment 0 911

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1198

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1052

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