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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11337

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 17642

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 11351

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 can a novice understand the SEI price chart?

Course Introduction：How to interpret the SEI price chart? First of all, SEI is an AMM on the NEAR protocol. When interpreting its trend chart, you need to: 1. Determine the candlesticks that represent the price trends in different periods; 2. Understand the opening price, closing price, highest price, and lowest price structure of the candlesticks; 3. Identify the candlestick arrangement of the upward or downward trend; 4. Use technical indicators such as moving averages to analyze trends and patterns; 5. Consider trading volume that shows trading activity; 6. Identify support and resistance levels to predict price movements; 7. Manage risk with stop-loss and take-profit orders.

2024-09-27 comment 0 875

My documents are missing and how to recover them in WIN7 system

Course Introduction：1. Press the key combination win+R on the keyboard to open the windows command dialog box, then enter [gpedit.msc] and press Enter. 2. After opening the Local Group Policy Editor, click [User Configuration--Administrative Templates--Desktop], then find and double-click [Delete the 'My Documents' icon on the desktop] in the settings list on the right pane. 3. In the pop-up window, you can see that the current status is [Enabled]. 4. Just set it to [Not configured], and then click the [Apply--OK] button.

2024-03-26 comment 0 976

How to adjust the fan speed of Panzheng computer motherboard in BIOS settings?

Course Introduction：How to set the Panzheng computer motherboard fan to always be at high speed in the BIOS? Is it the CPU fan? Check whether the motherboard supports intelligent temperature control adjustment. Then the CPU fan can be adjusted if it is a 4-pin one. Go to the BIOS and find the cpufanmadesetting in the power management to enable the smart mode BIOS overclocking setting method? There are two main ways to overclock: one is hardware settings and the other is software settings. Among them, hardware settings are more commonly used and are divided into jumper settings and BIOS settings. 1. Jumper settings for overclocking Most early motherboards used jumper or DIP switch settings for overclocking. Near these jumpers and DIP switches, there are often some tables printed on the motherboard, which record the combination definitions of jumpers and DIP switches.

2024-01-26 comment 0 799

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1208

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1064

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