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Self-study IT network Linux load balancing video tutorial

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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

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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

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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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js implementation of fully customized web page right-click menu with multi-level directories_javascript skills

Course Introduction：This article mainly introduces the js method to implement a fully customized web page right-click menu with multi-level directories. It analyzes the techniques of javascript to implement a customized web page right-click pop-up menu. It is of great practical value. Friends who need it can refer to it.

2016-05-16 comment 0 1448

Detailed operation method of stash temporary code in TortoiseGit

Course Introduction：1. After downloading and installing tortoisegit, in your project folder, select [StashSave] from the right-click menu. 2. Enter the description information you need in the Message text input box in the pop-up window, and then click OK3. Step 2 After that, the processing interface shown in the figure below pops up. After waiting for success, click the Close button to close the window. 4. After step 3, the temporarily modified code is temporarily saved. Next, in the right-click menu of the project root directory Select [Switch/checkout] to switch the current branch 5. Or select [StashList] from the right-click menu of the mouse to view the list of temporary codes 6. After step 5, the pop-up

2024-06-02 comment 0 1143

How to restore solidworks sketch toolbar

Course Introduction：Recovery method: First open the software, click the "triangle symbol" icon button at the top of the page, and select the "Customize" command in the drop-down list; then right-click the mouse in the blank space and select "Add Tab" in the pop-up right-click menu. button; finally select the "Sketch" option.

2021-05-13 comment 0 36940

How to add fixed prefix in excel

Course Introduction：Method: First select the cells that need to be prefixed, right-click; then select "Format Cells" in the pop-up right-click menu; then select "Custom" in the pop-up window and enter in the "Type" input box ""Prefix name "@"; finally click "OK".

2021-04-26 comment 0 10224

Javascript custom right-click pop-up menu implementation method_javascript skills

Course Introduction：This article mainly introduces the implementation method of javascript custom right-click pop-up menu, involving the related techniques of javascript operating mouse events and page elements. Friends in need can refer to the following

2016-05-16 comment 0 1381

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