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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 17632

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 11345

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 use JS and Baidu Maps to implement map information window customization

Course Introduction：How to use JS and Baidu Map to implement the customization function of the map information window. Baidu Map is a commonly used Web map service that can display geographical information and provide related interactive functions on web pages. Among them, the map information window is a common function used to display detailed information of a specified location on the map. This article will introduce how to use JS and Baidu Maps to implement customized functions of the map information window, and provide specific code examples. Before we start, we need to make sure we have applied for a Baidu Maps developer account and obtained the corresponding AP.

2023-11-21 comment 0 1322

Python programming skills: How to obtain bus stop information based on Baidu Map API

Course Introduction：Python programming skills: How to obtain bus stop information based on Baidu Map API Introduction: When developing positioning or navigation applications, how to obtain bus stop information is a common requirement. Baidu Maps provides a powerful API interface that can easily obtain various geographical information. This article will introduce how to use Python programming language combined with Baidu Map API to obtain bus stop information, and provide code examples. 1. Preparation: First, we need to install the Requests library. #InstallRequ

2023-07-30 comment 0 2264

Using Baidu Map API to realize the interaction between map markers and information windows in PHP

Course Introduction：Baidu Map API is used in PHP to realize the interaction between map markers and information windows. Baidu Map API is a powerful map service platform that provides a wealth of functions and interfaces, allowing us to integrate map functions into our websites or applications. This article will introduce how to use PHP and Baidu Map API to realize the interaction between map markers and information windows. First, we need to register a developer account on the Baidu Maps Developer Platform, create an application, and obtain an API key. Then we can do it in my

2023-07-31 comment 0 1002

How to customize preferences in Baidu Wenku

Course Introduction：In today's era of information explosion, how to quickly find learning materials that meet your interests and needs has become a key issue. As a platform that brings together massive documents, materials and learning content, Baidu Wenku has launched a customized preference function in order to bring users a more accurate and personalized experience. Through this function, users of Baidu Wenku can easily browse information push within their own preferences. So below, the editor of this site will introduce you in detail how to set your own preferences in Baidu Wenku app. How to customize preferences in Baidu Wenku Step 1: Open the Baidu Wenku app and click on the upper left corner to customize preferences. Step 2: Select the content category you are interested in and click Next. Step 3: Select the academic period and click Select.

2024-05-09 comment 0 549

How to clear records on Baidu Maps Share how to clear records on Baidu Maps

Course Introduction：As the frequency of use increases, the search history, navigation records and other personal information accumulated in Baidu Map records gradually increase. While this information provides us with convenience, it may also bring the risk of privacy leaks. Therefore, it is necessary to clear Baidu Map regularly. Records are particularly important. So, here is how to clear records on Baidu Maps. Take a look if you need it! Share how to clear records on Baidu Map 1. Open the Baidu Map APP on your mobile phone and enter the home page. Click the "Layer" button on the upper right side of the map to open it. 2. A window will pop up on the right side of the page, in which click the "Settings" function to open it. 3. Next, find "Privacy Settings" on the settings page and click on it to enter. 4. In the privacy settings page, there is an "Exit"

2024-07-03 comment 0 1037

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