Programmer Think

1, @ ModelAttribute usage Bind request parameters to command object (input parameter object): when placed on the input parameter of the controller method, it is used to bind multiple request parameters to a command object, so as to simplify the binding process, and is automatically exposed as model data for use in view page display; When t ...

In web development, sometimes it is inevitable to deal with "selection" and "cursor", such as selecting highlight, selecting toolbar, manually controlling cursor position and so on. The selection area is the part selected with the mouse, usually blueWhat about the cursor? Is it the flashing vertical line?Warm tip: the articl ...

The idea comes from the skeleton screen in "performance optimization": In sites with a large number of pictures, this will be a very nice experience - picture loading is usually uncomfortable. Generally, the bitmap in a good skeleton is a low pixel picture, that is, the general color matching and change are consistent with the actual ...

1, About servlet s Explain servlet in detail, https://www.runoob.com/servlet/servlet-tutorial.htmlOverview: Servlet and servlet container Java Servlet (Java Server applet) is a Web component based on Java technology. It runs on the server side. It is managed by the servlet container and used to generate dynamic content. Servlet is a platform ...

1, Foreword For front-end projects, especially the middle and back office management system projects, permission design is one of the most complex points. Generally speaking, permission design needs to be checked by the back end. After all, the front end is relatively unable to ensure security, and the code and data requests of the front end ...

Learning objectives Create Vue instances and know the common properties of VueThe hook function of Vue's life cycle will be usedCan use vue common instructionsvue will be used to calculate properties and watch monitoringCan write Vue componentsMaster communication between componentsUnderstand the use of Vue router 0. Preface A few days ago, w ...

Quick start The simplest use is to use RoutesLocationBuilder, which produces the least code. It is a great choice for applications with few navigation scenes or applications with shallow page stacks (that is, pages are rarely stacked together). class MyApp extends StatelessWidget { final routerDelegate = BeamerDelegate( locationBuilder: ...

Alfred is a powerful artifact that can effectively improve the efficiency of MAC computers. It can be said that with Alfred, you can basically realize various operations without the mouse. Compared with the Mac's own focus search, it can be called a rolling advantage.The following figure shows the Alfred icon on the official website: https://ww ...

Development of zero foundation exclusive Markdown online editor Online case Markdown is also a markup language, which is similar to HTML and has nothing to do with CSS. The display styles of markdown editors (Typora, etc.) we usually use and see are displayed after being converted to HTML and CSS with built-in styles; Nowadays, the way o ...

When learning becomes a habit, knowledge becomes common sense. Thank you for your likes, collections and comments.The new video and articles will be sent to WeChat official account for the first time. Li YongningThe article has been included in github warehouse liyongning/blog , welcome to Watch and Star.prefacePrevious Interpretation of Vue so ...