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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

Course Advanced 17581

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 11291

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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Solve the problem that the CPU fan error is displayed when the computer is turned on

Course Introduction：How to solve the "cpufanerror" prompt when the computer starts up. As the use of computers becomes more and more popular, some common problems have begun to appear. One of them is the "cpufanerror" prompt that appears when booting. This problem may cause the computer to fail to start properly or even damage the CPU. Below we’ll explore the causes of this problem and how to fix it. First, let us understand why the CPU fan error occurs. The CPU fan is one of the key components that keeps the CPU temperature running normally. when

2024-02-19 comment 0 2092

How to solve the problem of ASUS CPU fan error

Course Introduction：How to solve ASUS cpufanerror? ASUS motherboard prompt: CPUFanError indicates that the processor cooling fan is wrong; it may be that the CPU fan circuit is not connected properly, or the contact is poor; you can choose to remove the processor fan again, reconnect it and fix it, and then try to turn it on; if the interface It is connected to the motherboard normally. There may be an abnormality in the BIOS. The motherboard prompts CPUerror usually because the fan speed is low. If the value set by the motherboard is higher than the actual speed, an error will be prompted. Enter the "Monitor" item in the motherboard BIOS. Find "CPUFanSpeedLowLimit" and lower the minimum fan speed, or set the off state in the "Processor Q-Fan Control" option; or

2024-01-26 comment 0 2446

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