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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17598

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 11309

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 is the quality of Kunlun mobile phone screen glass?

Course Introduction：Huawei Mate50Pro is equipped with Kunlun glass, which improves drop resistance. At the same time, Huawei after-sales service also supports the replacement of Kunlun glass for old Huawei Mate series/P series mobile phones. The display effect of the Kunlun glass mobile phone screen is also very good, and the picture quality is very clear. Runs smoothly. How about the Kunlun glass mobile phone screen? Answer: Very good 1. The display effect of the screen is very good and the picture quality is very clear. 2. The screen does not freeze, freeze or flicker. 3. It is very resistant to falling and can prevent the phone screen from being damaged. Related information about Kunlun glass 1. The material used in Kunlun glass is nanocrystals. 2. Metal oxide is injected into the glass body, and the nanocrystals are grown after 24 hours of high-temperature treatment. More than 100 microcrystalline raw materials and specialized panel processing technology are used, with 1600

2024-01-22 comment 0 1506

Teach you how to use PS feathering to create a transparent bubble effect (5 steps in total)

Course Introduction：In the previous article "PS Beginner's Article: How to Add a Transparent Glass Text Effect to Background Materials (Sharing)", I introduced you to a quick technique on how to use PS to create a transparent glass text effect. The following article will share with you how to use PS feathering to create a transparent bubble effect. The method is very simple and suitable for novices to learn. Let’s take a look.

2021-08-16 comment 0 7297

What is the difference between Huawei Kunlun Glass and ordinary screens?

Course Introduction：The differences are: 1. Strength and wear resistance, Huawei Kunlun glass has higher strength and wear resistance; 2. Anti-fingerprint and oil stain resistance, the surface of Huawei Kunlun glass has been specially treated and has anti-fingerprint and oil stain resistance; 3. , Display effect, display effect: Huawei Kunlun Glass can provide better display effects; 4. Tactile experience, Huawei Kunlun Glass is smoother and more comfortable to the touch; 5. Safety, Huawei Kunlun Glass has more advantages in safety ; 6. Manufacturing cost. Huawei Kunlun Glass uses special materials and processes, and the manufacturing cost may be relatively high.

2023-09-25 comment 0 6880

PS Beginner's Article: How to add a transparent glass text effect to the background material (share)

Course Introduction：In the previous article "Teach you step by step how to use PS to make a beautiful starry sky creative avatar poster (detailed pictures and texts)", I introduced you how to use PS to make a starry sky creative avatar poster. The following article will introduce to you how to use PS to add a transparent glass text effect to background materials. Let’s see how to do it together.

2021-08-16 comment 0 3796

A complete collection of original god material illustrations

Course Introduction：There are a variety of ingredients, minerals, mission props, and various consumable materials in the Genshin Impact game. The acquisition methods and effects of each material are different. Below, the editor will bring you a complete guide of Genshin Impact materials for your convenience. Let’s take a look at how to obtain various materials. Click to read: Genshin Impact Material Illustrated Collection Click on the text or picture to jump to the link. The specific location is being added continuously. Small rush, dandelion seed, windmill chrysanthemum, moufeng mushroom, Cecilia flower, pure heart, horsetail, ice mist flower, flame flower, lotus pod, tomato, potato onion, snapdragon, sweet flower, glass bag, mint, pine cone, matsutake, cabbage mushroom, raspberry, colorful flower, fallen berry. Carrots, white radish, crimson cherry, hydrangea, seaweed, sky cloud grass, violet melon, blood dendrobium, ghost mushroom, glazed lily, kalpa lotus, Patisalan, tree king holy mushroom

2024-07-18 comment 0 837

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