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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17598

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 11309

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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HTML5 Canvas sawtooth diagram code example_html5 tutorial skills

Course Introduction：This article mainly introduces HTML5 Canvas sawtooth diagram code examples. Friends in need can refer to it.

2016-05-16 comment 0 1405

How to display disk space in ES file browser How to display disk space

Course Introduction："ES File Browser" displays the operation method of disk space, so users can more conveniently see their storage space situation. So how does es file browser display disk space? Display disk space 1. Open the ES file browser and click on the three horizontal symbols in the upper left corner (as shown in the picture). 2. Click Settings (as shown in the picture). 3. Click Display Settings (as shown in the picture). 4. Click the Show Disk Space button (as shown in the picture).

2024-06-07 comment 0 540

How to clean disk with SpaceSniffer

Course Introduction：SpaceSniffer is a software that can clearly and intuitively check the computer disk usage, and can also filter and display based on different types of files. Does anyone know how to clean the disk with SpaceSniffer? Here I will give you a detailed introduction to the method of cleaning the disk with SpaceSniffer. Friends who need it can take a look. Operation method: 1. Double-click to open the software, select the disk you want to clean, and click the "start" button. 2. If you want to clean a specific folder, you can click "path" and find the folder you want to clean in the window that opens. 3. Then the software will

2024-06-19 comment 0 609

What should I do if the disk keeps showing that it is being decrypted?

Course Introduction：After some users encrypted their computer disks, one day after they turned on the computer, they found that their computer showed that the disk was being decrypted. It kept showing this, and they wanted to know what to do if this problem occurs, so let's take a look. What should I do if the disk keeps showing that it is being decrypted? 1. After the user turns on the computer, click the Windows button in the lower left corner. 2. Then click the gear button on the left. This is the setting. 3. Find the Windows search bar on the settings page and enter bitlocker. 4. You can see the management bitlocker, and find and close bitlocker on this page. 5. Select the option and click, and the decryption will be completed after waiting for a period of time.

2024-03-02 comment 0 564

Exclamation mark appears on win10 hard drive

Course Introduction：When you find an icon with an exclamation mark on the hard drive symbol, it usually indicates that your operating system has enabled the disk encryption option called "BitLocker Drive Encryption". If you want to encrypt the disk, you only need to cancel the current encryption status first, and then set the encryption settings again to eliminate this exclamation mark. Win10 hard drive displays an exclamation mark 1. Click Settings and enter "System" 2. Scroll down to find "About" 3. Click; 4. Click on the corresponding disk and click the Close BitLocker button on the right

2024-01-23 comment 0 1940

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