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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11313

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 17627

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 11330

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 plug-in multiScroll realizes full-screen mouse scrolling switching page special effects_jquery

Course Introduction：What this article shares with you is a jQuery full-screen (full-screen) scrolling plug-in web page special effect. Roll the mouse wheel to switch the entire screen to one screen. You can set the text/picture to display the JS code absolutely up, down, left, right, and center. The most popular jQuery full-screen scrolling nowadays. Plug-in! (Compatibility test: IE6 and above, Firefox, Chrome, Opera, Safari, 360 and other mainstream browsers)

2016-05-16 comment 0 1101

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 0 688

OPPO announces new animation effects for ColorOS 14: over 100 upgrades, covering unlocking, wallpapers, and communication center

Course Introduction：According to news on April 29, OPPO today announced new animation content for the ColorOS14 system, covering lock screen, desktop, communication center, multi-tasking, large folders and other scenes, completing more than 100 animation upgrades. The details and demonstration of the animation are as follows: The visual upgrade has a new unlocking effect. When the user unlocks and enters the desktop, icons and cards fly in in layers, providing a "smoother and smoother experience." Wallpaper zoom animation When users swipe up from the bottom of the screen to exit the app, the wallpaper zoom animation will be "more smooth and coherent." After the upgrade of the communication control center, the dynamic effect of the pull-down communication center is more obvious, a Gaussian blur effect is added to the background, and the overall layout is more hierarchical and the information is more intuitive. The exit of the dynamic effect upgrade application interrupts the startup and exit of the dynamic application. The switching response is fast, the control is connected, and the response is as fast as the hand speed.

2024-04-29 comment 0 499

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 1195

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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