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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11423

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 17716

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 11416

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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Why Do My `go run` and `go get` Commands Hang After a System Restart?

Course Introduction：Go command behaves unexpectedly after a system restartWhen attempting to execute commands such as 'go run ...' or 'go get ...', the process enters...

2024-11-25 comment 0 601

How to fix the problem in Valorant that requires a system restart before playing?

Course Introduction：Cheating has always been a big problem in online FPS games, even if Valorant didn't exist. It can ruin the gaming experience and reduce player interest in the game. Valorant has tried to overcome this shortcoming since its early days with its own RiotVanguard protection system. You need to restart the system after installing the game once. This is completely normal and the Vanguard system will start automatically. However, if you restart your system and still see "Your game requires a system restart to play. Please restart your computer." Leave a message on the home page? Many users have encountered this problem, so don’t worry. Follow these fixes for a quick solution. Fix 1 – Don’t quit Pioneer after restarting your computer

2023-04-24 comment 0 49971

Why Is My Go Tool \'compile\' Missing After a System Restart?

Course Introduction：Go Tool "compile" Not FoundRecently, a user encountered an issue while building a Go project after restarting their Ubuntu desktop. They had...

2024-11-27 comment 0 215

How to resume Python Machine Learning if the machine restarts?

Course Introduction：Introduction Python is one of the most widely used machine learning programming languages due to its simplicity of use, adaptability, and extensive set of libraries and tools. However, one challenge that many developers face when using Python for machine learning is how to get back to work if the system reboots unexpectedly. It would be incredibly frustrating if you spent hours or days training a machine learning model only to have all your efforts go down the drain due to a sudden shutdown or restart. In this post, we will look at different ways to resume Python machine learning work after a system restart. Strategy 1. Using a Checkpoint System A checkpoint system is one of the best ways to resume your Python machine learning work after a reboot. This requires retaining the parameters of the model after each epoch

2023-08-28 comment 0 1004

What should I do if the win10 system fails to be repaired and cannot be entered?

Course Introduction：The solution to the problem that win10 system repair fails and cannot be entered is: 1. Click [Advanced Options] on the automatic repair interface; 2. Click [System Restore] and [Delete All Content] in sequence; 3. Continue to click the [Completely Clean Drive] option; 4. , click [Initialize] and wait for the system restart to complete.

2020-06-19 comment 0 5539

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