React technical principles and code development practice: from React Bootstrap to Semantic UI

1. Background Introduction React is one of the hottest front-end JavaScript frameworks currently. Its main advantages are simplicity, flexibility and performance. This article will combine my own research experience and work summary to share how to better understand and master some features and technical details of React. React has become a mainstream front-end UI framework, […]

ResolvedFailed to start bean documentationPluginsBootstrapper; nested exception .lang.NullPointerEx

Article directory Exception information reason Solution Plan 0 plan 1 Insert image description here Exception information Failed to start bean ‘documentationPluginsBootstrapper’; nested exception is java.lang.NullPointerException 2023-11-10 11:21:44.013 ERROR 44100 — [o-8080-Acceptor] org.apache.tomcat.util.net.Acceptor : Socket accept failed java.nio.channels.AsynchronousCloseException: null at java.base/java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:202) ~[na:na] at java.base/sun.nio.ch.ServerSocketChannelImpl.end(ServerSocketChannelImpl.java:269) ~[na:na] at java.base/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:288) ~[na:na] at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:547) ~[tomcat-embed-core-9.0.68.jar:9.0.68] at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:79) ~[tomcat-embed-core-9.0.68.jar:9.0.68] at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:129) […]

Front-end framework Bootstrap

Front-end framework Bootstrap The framework has already written many page styles for us. If you need to use it, you only need to download the corresponding file. Just copy the CV directly When using Bootstrap, all page styles only need to be adjusted by modifying the class attribute. What is Bootstrap Bootstrap is an open […]

CSS global styles used in the Bootstrap framework

Website: https://www.bootcss.com/ Layout container Bootstrap requires a .container container to wrap the page content and grid system. We provide two classes for this purpose. Note that due to attributes such as padding, these two container classes cannot be nested in each other. The .container class is used for fixed-width containers that support responsive layout <div […]

Front-end 12307 ticketing website developed based on Bootstrap

1. 12307Problem description of online ticketing website design Content and functional requirements The online ticketing website must include at least the following pages: home page, hotel information page, air ticket information page, train ticket information page, etc. Specifically include: The homepage should have a navigation menu bar, search bar, hotel, air tickets, train tickets and […]

Blazor install BootstrapBlazor UI plug-in

1. Installation Search and installBootstrapBlazor, BootstrapBlazor.FontAwesome via NuGet BootstrapBlazor BootstrapBlazor.FontAwesome 2. Style Maui Blazor Edit wwwroot/index.html Blazor Server Modify Pages/_Host.cshtml 1. Remove link <link rel=”stylesheet” href=”css/bootstrap/bootstrap.min.css” /> 2. Quote icon <head> … <!– BootstrapBlazor –> <link href=”_content/BootstrapBlazor.FontAwesome/css/font-awesome.min.css” rel=”stylesheet”> <link href=”_content/BootstrapBlazor/css/bootstrap.blazor.bundle.min.css” rel=”stylesheet”> <link href=”css/app.css” rel=”stylesheet” /> <link href=”MauiApp2.styles.css” rel=”stylesheet” /> </head> 3. Quote Js <body> … […]

Integration and application of Bootstrap front-end framework

1. Introduction In today’s Internet development field, Bootstrap is undoubtedly the leader among front-end development frameworks. It has won the love of developers due to its simplicity, flexibility and beauty. This article will introduce in detail the integration and application of the Bootstrap front-end framework to help everyone better understand and use this powerful tool. […]

bootstrap_study

Bootstrap is a mobile-first front-end framework with many styles that can simplify the writing of CSS. To develop bootstrap pages, you need to introduce css and js <meta http-equiv=”X-UA-Compatible” content=”IE=edge”> <meta name=”viewport” content=”width=device-width, initial-scale=1″> <!– New Bootstrap core CSS file –> <link href=”https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css” rel=”stylesheet”> <!– jQuery file. Be sure to introduce it before bootstrap.min.js –> […]

python connects to the MySQL database, the front end uses HTML and references the bootstrap/css template

Python connects to the database, the front end uses HTML and references bootstrap/css templates Quote HTNL5 Reference HTNL5 and use bootstrap/css templates Using static resources that correctly reference bootstrap/css templates in Flask Case: input sql on the front end and display the results on the front end Quote HTNL5 1. To use the HTML5 front-end […]

Use Spring Boot, ConcurrentHashMap, Thymeleaf and Bootstrap to implement user caching functions

Original Lutiao Programming Lutiao Programming 2023-10-11 08:00 Published in Hebei included in collection #cache3 #SpringBoot75 This series of courses will cover many key technologies and tools of Spring Boot, including Mybatis-Plus, Redis, Mongodb, MinIO, Kafka, MySQL, Message Queuing (MQ), OAuth2 and other related content. Use Spring Boot, ConcurrentHashMap, Thymeleaf and Bootstrap to implement user caching […]