Programmer Think

Instance method and convenient method refer to the method that jQuery can operate directly through link, which is realized by calling the method on $. event (the underlying method introduced in the previous section). The common methods are as follows: on(types,selector,data,fn,one); bind one or more types of event listener functions to each el ...

Spring auto assembly Spring makes use of dependency injection (DI) to complete the assignment of the dependencies of various components in the IOC container. [1]@Autowired @Autowired annotation, which can annotate class member variables, methods and constructors to complete the work of automatic assembly. Use @ Autowired to eliminate the set an ...

When we write large projects such as React and Vue, or use the framework to build small programs, in order to facilitate the collaborative development of multiple people, we often introduce ESlint to standardize the code writing, so that different developers can write unified code. For native applet pro ...

Ioshls m3u8 custom AES-128 key chain or link decryption process (play, download, play after downloading local) In fact, in theory, apple supports native direct play AES-128 encryption, as long as it conforms to Apple's encryption standard, but in the actual use process, because there are Android, H5, ...

In normal project development, we often upload files, not only to achieve the basic needs, but also to take into account the user experience. According to the problems encountered in our work, we talk about the preview of image upload and the optimization of upload progress. 1. Construction project Based on the project built by Vue.js+axios, ...

XPath overview: XPath, the full name of XML Path Language, namely XML Path Language, is a language for finding information in XML documents. It was originally used to search XML documents, but it is also suitable for HTML documents. Common rules of XPath Expression describe nodename Pick all ...

To implement the docking of third-party interfaces, you can use httpclient (older) or SpringBoot RestTemplate (new generation). You can choose an appropriate way for docking according to your preferences. I recommend using SpringBoot RestTemplate. The specific use is as follows: Custom configuration c ...

Catalog vue: parent child component value transfer vue: slot vue: scope slot vue: dynamic components and v-once instructions vue: binding native events to components vue: compute properties, methods, listeners vue: calculation properties set, get vue: ref vue: parent child component value transf ...

5.1 definition and declaration of class 5.1.1 constructor When we construct an object, the initialization process of the object is automatically completed. However, in the process of initializing the object, we need to do some extra work, such as initializing the data stored in the object. The c ...

Data set: https://archive.ics.uci.edu/ml/datasets/Adult This data set is character data set. You need to clean the data and transform the data by yourself. Fortunately, string operation in python is very simple and easy to handle. Characteristics of the degree, the nature of the job, work units an ...