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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10977

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 17041

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 10739

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 open dwg files on computer

Course Introduction：To open a DWG file you can: Double-click it directly (if you have AutoCAD installed). Use a free DWG viewer such as DWG TrueView or FreeCAD. Use an online DWG viewer such as AutoViewer or ShareCAD. Convert to other formats such as DXF, DWF or PDF.

2024-04-04 comment 0 743

How to open DWG files

Course Introduction：The dwg file is a file format used by the computer-aided design (CAD) software AutoCAD. It is a file format used to store two- and three-dimensional graphics data and is widely used in the fields of architecture, engineering, and cartography. If you need to open a dwg file, the following methods can help you do it. Open with AutoCAD software: AutoCAD is a software specially designed for creating, editing and viewing dwg files. If you have AutoCAD software, just double-click the dwg file and the system will automatically

2024-02-18 comment 0 748

What file format is dwg?

Course Introduction：DWG is a proprietary file format used by the computer-aided design software AutoCAD and AutoCAD-based software to save design data. The DWG format and its ASCII format variant DXF have become the de facto file standard in CAD drawing data exchange, and it is estimated that there are more than one billion DWG files worldwide. Software that can open dwg format include: AutoCAD, DwgSee, Acme CAD Converter, ABViewer.

2022-07-04 comment 0 61684

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