Programmer Group

When the WeChat applet encounters AR, what kind of sparks will it wipe out?Expectation and excitement... Through this tutorial, you can start from the foundation to create an AR framework for a WeChat applet, all of which are open source and available for everyone to learn. This course requires some foundation: WeChat Developer Tools, Jav ...

I. Objects of JS 1.1 Several ways to create objects 1.1.1 Create Objects by Literal Quantity In js, a pair of {} is actually an object var person = { name: "tom", age: 23, read: function () { console.log(name, ": read book") } } 1.1.2 via the constructor of the sys ...

Mixing (Mixins) What is mixins?Is a way to reuse functions during component development in vue When the page styles are different, but the methods you perform and the data you need are similar, you can use Mix Bar, a common and identical part of the extract to encapsulate, reduce the amount of code and make modifications and tests more diff ...

Angular The performance of Google's open source JavaScript library is much higher than that of the previous version. It uses Typescript and new mode for development, so from the second version, the number of people has suddenly dropped dramatically. Technology: basic use of typescript, es6 Typescript is a superset of JavaScript. Both JavaScr ...

This article describes how to use thrift to call RPC remotely if thrift components are integrated into the surging micro-service engine, then dotnetty or thrift can be selected as the service or surging can be invoked through thrift in other languages. Here is a brief description of how to use thrift Dead work First need to Official Web Downl ...

Home page design of e-commerce App Generally, there are four types: -Status bar -Search box -Round robin advertising -Commodity information 1, Search box Basic components: TextInput,Button. TextInput is the input component and Button is the Button component. <TextInput style={styles.input} placeholder='Sear ...

In the previous article, plug-ins with several different functions were introduced. You should think about how plug-ins are generated. A plug-in is a function or a style that a user encapsulates for ease of use. The consumer can simply call a method, or a selector, and so on.This idea is common, and people who type code always think about how t ...

1, Concept An aggregate object has two responsibilities, one is to store internal data, the other is to traverse internal data. From the perspective of dependency, the former is the fundamental attribute of aggregate object, while the latter can be changed and separated. The traversal behavior of the aggregate object is extracted as an iterat ...

There are two ways to get and set the width and height of a div: using the dimension function or using the css method Get width and height 1. Dimension function: height() gets height, width() gets width 2. Obtain div width and height by CSS: obtain height by css("height") and width by css("width") Diffe ...

We see a piece of code that needs to dynamically transform the model in our work. When there are many data, the efficiency will be slow. Though C ා is case sensitive, it is fuzzy in Datarow, so C ා is very useful. The example Demo is as follows, and the second method is recommended. Recommended writing: publ ...