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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 to create silhouette text in CorelDRAW Production method tutorial

Course Introduction：CorelDRAW is a very easy-to-use picture design software. It has many powerful functions that can help users design a variety of beautiful and creative pictures and text. Today, let us take a look at how to create silhouette text. Most of these text effects are made with silhouettes of small animals or plants, so we need to prepare this type of vector material. Let’s take a look at the details! The specific operations are as follows: 1. Open the CorelDRAW software and substitute the vector material. If it is not a vector image, click [Tracing Bitmap] to convert it. 2. Use the [Pen Tool] to circle the part where you want to replace the text. 3. Select the silhouette material and the drawn curve. , click Intersect, extract the tail and click Simplify to remove the tail from the original material. 4. Input

2024-02-09 comment 0 1231

Oil painting APP Which is the best oil painting APP?

Course Introduction：Drawing oil paintings on mobile phones has become more convenient, and you can easily complete various exquisite oil paintings using mobile software. The editor recommends several oil painting apps with excellent functions for everyone, which can meet the various needs of users. They are simple to operate, easy to use, and very practical. [HuaHuaTu] HuaHuaTu APP is a very practical mobile painting software designed to provide users with convenient drawing tools. The software has a wealth of material resources that allow users to draw various pictures easily. It provides a variety of functions, including drawing, illustration, comics, sketching, graffiti, etc. Users can choose according to their own needs. In addition, the application also provides a simple and easy-to-understand operating interface, allowing users to get started quickly, and supports a variety of painting tools, such as brushes, erasers, palettes, etc., allowing users to

2024-02-06 comment 0 1416

What software is cdr What is cdr

Course Introduction：cdr is the source file storage format of the software CorelDraw. Tutorial Applicable Model: Lenovo AIO520C System: Windows 10 Professional Edition: CorelDraw2021 Analysis 1cdr is the source file storage format of the software CorelDraw. It is a vector file. Similarly, we can use CorelDraw software to open cdr files. This software provides various functions such as vector animation materials, interface design, website construction, bitmap writing, and web page animation. It is a design and typesetting software for designers and printers. Supplement: What is cdr software for? 1CDR’s full name is CorelDraw. It is a vector drawing software. It is a common design and drawing software and is widely used.

2024-02-22 comment 0 1510

What is a vector image

Course Introduction：Vector graphics is a graphical representation method based on mathematical formulas. It uses geometric primitives such as straight lines, curves, points, polygons, etc. to describe images. In contrast, bitmap images use arrays of pixels to represent images. It can Infinite scaling without distortion, small file size, supports editing and manipulation, suitable for various types of image creation and design, widely used in the design field and printing industry, able to provide high-quality and flexible image solutions .

2023-08-17 comment 0 12057

Customize the mobile phone desktop wallpaper theme to create a personalized mobile phone interface (how to set the mobile phone desktop wallpaper as a theme to make the mobile phone interface more personalized)

Course Introduction：Desktop wallpaper is one of the common elements in mobile phone interfaces. It can inject more personalized elements into the mobile phone and make the mobile phone more personalized. This article will introduce how to set the mobile phone desktop wallpaper as a theme, and provide some tips and precautions for theme customization. To choose a suitable wallpaper theme, you must first choose a suitable wallpaper theme before customizing the mobile phone desktop wallpaper theme. Choose themes and animals related to nature, art, etc., according to your own preferences and style. Game or cartoon characters as the theme, you can also choose some popular movies. Looking for high-quality wallpaper materials requires finding high-quality wallpaper materials in order to create exquisite mobile desktop wallpaper themes. Various wallpaper resources can be obtained through search engines or wallpaper applications. To ensure the clarity of the display effect

2024-02-02 comment 0 1669

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