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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11425

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 17717

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 11416

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 auto-complete search function

Course Introduction：How to use JS and Baidu Maps to implement the map auto-complete search function. First, we need to understand what the map auto-complete search function is. Map auto-complete search is a method where after the user enters keywords in the input box, the map will automatically display relevant search results based on the keywords entered by the user. This function is very common in various map applications, such as searching for places, finding routes, etc. To use JS and Baidu Maps to implement the map auto-complete search function, we need several steps. Below I'll detail each step and provide corresponding code examples.

2023-11-21 comment 0 1345

How to use Java code to find nearby places of a specified type through the Baidu location search API on Baidu Maps?

Course Introduction：How to use Java code to find nearby places of a specified type through the Baidu location search API on Baidu Maps? Baidu Maps is a widely used map service that provides a variety of functions and APIs for developers to use. Among them, the location search API can help us search for surrounding locations based on keywords. In this article, I will introduce how to use Java code to call Baidu location search API to find nearby locations of a specified type. First, we need to register a Baidu developer account and create an application to obtain A

2023-07-30 comment 0 1600

How to use JS and Baidu Maps to implement map search function

Course Introduction：How to use JS and Baidu Maps to implement the map search function. The map search function is a common feature in many websites and applications today, which can help users find the location and related information of a specific place. This article will introduce how to use JS and Baidu Map API to implement this function, and provide specific code examples. First, we need to introduce Baidu Map’s JS library into the web page, which can be loaded in the following way: <scriptsrc="http://api.map.baid

2023-11-21 comment 0 1615

php+ajax做仿百度搜索下拉自动提示框(有实例)_php实例

Course Introduction：php+mysql+ajax实现百度搜索下拉提示框主要有3个文件三个文件在同一个目录里如下图下面是三个文件的代码把sql文件导入到mysql数据库里修改下数据库密码为自己的记得哦是UTF-8编码

2016-06-07 comment 0 4124

How to return to the present on Baidu Street View Map? How to travel to previous years on Baidu Map?

Course Introduction：Click the search box on the Baidu Map homepage. Note: Click on the panorama search address and then click on the panorama option. Click on Shizhanwu Cold Light Machine to enter the page and click on the time machine option. Select the year to travel through, that is, you can select the year to travel through on the page.

2024-06-22 comment 0 651

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