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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11245

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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Learn PHP-cli mode to output colored markup text and dynamic content in the terminal

Course Introduction：There are many ways to mark text with various effects. This article learns from the PHP mode to output colored mark text and dynamic content in the terminal. There is a lot of useful information. I hope to learn and discuss with everyone.

2020-06-30 comment 0 2379

Introduction to the method of setting color messages in 'QQ Speed'

Course Introduction：How to set color messages on QQ Speed? In the game, we will see that many people's messages are in color, so how can we get them? Friends who want to know, please take a look at the following way to set up color messages in the QQ Speed mobile game and share it! Introduction to how to set up colored messages in "QQ Speed" 1. Activate membership privileges: Activate the Supreme Crown membership in the game and get the privilege of sending colored fonts. Member users do not need to enter special codes and can freely choose colors to send colored messages directly in the chat window. 2. Use color codes: In the chat input box, enter the color code according to the specified format to change the font color. For example, entering /C00 followed by text will display white fonts, and /C01 followed by text will display yellow fonts. Generally available color codes are

2024-04-20 comment 0 821

How to Add Colorization to Go Test Output using `grc`?

Course Introduction：How to Add Colorization to Go Test Run OutputWhen running terminal/console tests, it can be useful to have the output displayed in red or green...

2024-11-15 comment 0 1037

How to set Chinese on ubuntu command line

Course Introduction：Setting Chinese in the Ubuntu command line can be achieved in the following ways: Install the Chinese input method: You can enter Chinese in the terminal by installing the Chinese input method in the command line. Common Chinese input methods include Fcitx, IBus, etc., which can be installed using the following command: sudoapt-getinstallfcitxfcitx-googlepinyin Set terminal encoding: You can set the terminal encoding to support Chinese display. You can use the following command to set the terminal encoding to UTF-8: exportLC_ALL=zh_CN.UTF-8 Use Chinese fonts: You can display Chinese by setting the terminal to use fonts that support Chinese display. You can do this in the terminal settings

2024-02-28 comment 0 1006

Effective techniques to solve garbled display in Linux terminals

Course Introduction：Effective techniques to solve the problem of garbled characters displayed on the Linux terminal. In the process of daily use of the Linux system, we may encounter the situation where the terminal displays garbled characters, which not only affects our work efficiency, but also brings us trouble. This article will introduce some effective techniques to solve the problem of garbled display in Linux terminals, and give specific code examples, hoping to help readers solve this problem. Modify the terminal character encoding: Enter the following command in the terminal to modify the terminal character encoding to UTF-8, which is the currently widely used character encoding.

2024-03-20 comment 0 596

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