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1. AR mode removes the automatic sorting function public function search($params) { $dataProvider = new ActiveDataProvider([     'query' => $query,     'sort' => false,    // Remove automatic sorting ]); 2. Scalar Query The corresponding table of Book model is book, and the parameter value o ...

I. analysis. From last article Day3_JDBC - Encapsulation of Addition, Deletion and Change Checks (BaseDao class) using DBUtils third-party tools As you can see, every method in the BaseDao class needs to pass in a type of entity class (that is, JavaBean type). If we inherit the BaseDao class, we tell ...

TIPS:Spring has actually provided us with some hook methods to do some post-processing business after initializing beans. The so-called post-processing is the Bean Post Processor in this article. BeanPost Processor provides two callback methods in which you can implement some customized business logic. ...

Scenario: In general, vue uses template to create html, but in some cases, it needs to be written in js, and then render function is used. Formal evolution of render function: render: function(createElement){ return createElement(App) } Further abbreviated as: render(createElement){ return create ...

1. Introduction to colly: Colly is a Golang framework for building Web scraper. With Colly, you can build complex Web scrapers, ranging from simple scrapers to complex asynchronous Web crawlers that handle millions of Web pages. Colly provides an API for executing network requests and processing recei ...

Advanced Vue.js Lecture 2 11. Use transition-group element to implement list animation 12, why the data of the component must be a function 13. Custom key modifier 14. Customize global instructions for text boxes to get focus 15, Component - Way to Create Components 1 16. Components - Ways to Create ...

The book Design Patterns, co-published by GoF, provides many solutions to common problems in object-oriented software design. These models have been around for quite a long time and have proved very useful in many cases. Monomer mode There is only one instance of a particular class. This means that the second time you create a new object with t ...

Links to the original text: https://my.oschina.net/u/1590001/blog/268225 For spring configuration file writing, I think that for people who have experienced huge projects, there is tha ...

Public dependence in engineering pom <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <spring-cloud.version>Finchley.REL ...

In some cases, we set margin:0;padding:0, and then find that there are still gaps between elements, but check the style, box model and so on, and find that there is no problem. Why is that? Cause: There are newlines or spaces between two inline elements. The code is as follows: (first CSS style, ...