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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11266

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 17592

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 11304

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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PS brush shortcut key for mac?

Course Introduction：Introduction: This article is here to introduce you to the relevant content about the PS brush shortcut keys on Mac. I hope it will be helpful to you, let’s take a look. What is the difference between the PS shortcut keys on Mac and Windows computers? The interface is similar, but the desktop of the Mac version is transparent and can display wallpapers, while the Windows version is gray. In addition, the Mac and PC versions of Photoshop use slightly different shortcut keys. Under Windows, the Ctrl key is the Command key on Mac, and the Alt key is the Option key on Mac. Similarly, the interface of AI is similar. There are some differences between Photoshop (Ps) under Mac and Windows operating systems. First, they are fast

2024-02-14 comment 0 981

Commonly used PS shortcut keys on Apple notebooks (a list of commonly used PS shortcut keys on Mac notebooks)

Course Introduction：Preface: Today, this site will share with you the relevant content about Mac notebook PS shortcut keys. If it can solve the problem you are facing now, don’t forget to follow this site and start now! ps new layer shortcut key mac1. In Photoshop, the default shortcut key for a new layer is "Ctrl+Shift+N" (Windows system) and "Command+Shift+N" (MacOS system). 2. The most commonly used shortcut key Ctrl+T: Free transformation. This shortcut key is mainly used for rotation, scaling and other deformation adjustments of the layer. At the same time, it can be dragged to modify the position of the layer in the screen. It is an extremely commonly used function key. 3. Open the ps software. For example: On the open ps software, create a new

2024-01-13 comment 0 2525

What is the shortcut key for ps screenshot?

Course Introduction：Photoshop, abbreviated as "PS", is an image processing software developed and distributed by Adobe. The shortcut key for PS screenshots is [C]. When multiple tools share the same shortcut key, you can press [Shift] and this shortcut key to select.

2019-06-15 comment 0 36813

ps zoom shortcut mac?

Course Introduction：Preface: This article is here to introduce you to the relevant content about the ps enlargement shortcut key mac. I hope it will be helpful to you, let’s take a look. How to enlarge a picture in PS without a mouse 1. The shortcut key for enlarging in PS is Ctrl plus +. The PS shortcut key for zooming out is Ctrl plus -. PS is mainly used for image editing, decoration, beautification, etc. If you want to edit images for use in documents, you can use cutouts, add text effects, etc. 2. Zoom out: [ctrl] + [+], zoom in: [ctrl] + [-] Hold down the CTRL key and press the plus and minus signs to zoom the layer. PS shortcut keys are shortcuts defined by Photoshop to increase drawing speed. They use one or a few simple letters to replace commonly used commands. 3. First, on the phone

2024-01-11 comment 0 1416

Mac commonly used shortcut keys ps?

Course Introduction：This article will introduce you to some commonly used Mac shortcut keys to help solve problems encountered when using PS. If these shortcut keys can help you, please remember to follow us. Get started now! What is the difference between the PS shortcut keys on Mac and Windows computers? The interface is similar, but the desktop of the Mac version is transparent and can display the desktop wallpaper, while the Windows version is gray. In addition, the Mac and PC versions of Photoshop have slightly different shortcut keys. In Windows, the Ctrl key corresponds to the Command key on Mac, while the Alt key corresponds to the Option key on Mac. Regarding the AI interface, the two versions are also similar. General shortcut key differences: Under Windows, you can press

2024-02-01 comment 0 875

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