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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11246

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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How to start win10pe system

Course Introduction：Many friends who use the win10 system will be exposed to the pe system, but many do not know how to enter the system. Today I will bring you the method of entering the win10pe system. If you want to know, come and take a look. How to enter the win10pe system: 1. First turn on the computer and then press the F12 and DEL keys continuously to try to enter the bios interface. 2. After entering, use the direction keys to select "security", then select "secureboot" and press Enter to enter. 3. Next select "secureboot" and press Enter to open the option. 4. After opening, select "disabled" and press Enter to confirm. 5. After turning off the secureboot function, select the "star" at the top

2023-12-26 comment 0 3444

Solution to black screen when upgrading from pirated win7 to win10

Course Introduction：After win7 upgrades to win10 system, users will inevitably encounter some failures during use. What should users do when they encounter a black screen when win7 upgrades to win10 and restarts? In fact, this problem can be solved through BIOS settings. The author will talk about pirated win7 below. Let’s take a look at the solution to the black screen when upgrading win10. 1. For desktop computers, you generally press the "Del" key on the keyboard to enter, and for laptops, you generally press the "F2" key to enter the BIOS. 2. Find and close the SecureBoot option, and use the up, down, left, and right keys on the keyboard to select each navigation folder. The SecureBoot option can generally be found in the "Security" navigation folder. 3. “Enabled” at the end indicates that SecureBoot is turned on.

2023-07-10 comment 0 1745

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