Programmer Think

I've read "Java Programming Thought" once before, understood the code in the book and knocked it once. But a lot of in-depth knowledge is not used in actual work, so I forgot that in order to consolidate myself, in the future, I will try to do some reading notes on these contents to strengthen my understanding.Java serialization refer ...

How many people want to develop a small program and find that their foundation is 0. Today, I would like to share with you an inspirational case: a girl who reads atmospheric science and teaches herself the front-end development, because she likes to browse and know, she has made a "imitation" small program. I hope her development e ...

Recent classes are always unable to remember which classroom, I feel it is very troublesome to visit the website of the Academic Affairs Office manually every time. It happened that I was learning to crawl, so I wanted to write a crawler to help me look up the information on the timetable. Do as you say. With requests, a third-party library th ...

Along the way, I feel that RxSwift is not as obscure and difficult as before. I even gradually like the idea of responsive programming. It takes objects as observable objects and subscribes to them. With the cooperation of filter operators, all logical operations are performed in background threads. This section is about the most powerful funct ...

We want to develop an APP. The first task is to build the package structure, build the framework, encapsulate the base class, import the third-party libraries into the project and so on. Today we will talk about how to complete this process. (Note: Everyone has their own code style, so there is no good or bad code that suits them.) Through t ...

python crawls east of Beijing on a large scale Main Tools scrapy BeautifulSoup requests Analysis steps Open the first page of Jingdong, enter your pants and you will see the page Jump to Here This is the starting point for our analysis We can see that this page is not complete, and when we pull down we will see pictures loading constantly, ...

To access Alexa's API, you must carry AccessToken, that is, you must login authorization. This paper mainly records the login authorization process of Amazon Alexa on Android platform.   1. Registering Applications on Amazon Developer Platform Enter the Alexa column of Amazon Developer Platform https://developer.amazon.com/edw/home.html#/ Clic ...

In android mobile phone'Settings'-'Mobile Network Type', you can see the options about network type, generally default to 3G priority.  If you need to switch the network type of friends in the program, you might as well try the following methods. Several ideas are provided here, although they may be addressed. ...

Preface Dagger2 relies on an injection framework to reduce program-to-program coupling and prevent potential systemic problems. In addition, it has many advantages:Increase development efficiency and eliminate repetitive simple manual labor The process of starting a new instance is a repetitive and simple manual effort, and dagger2 can do ex ...

Last article The implementation of JWT authentication on Laravel framework server has been introduced. This article continues with the Android client implementation. Looking back on the process of JWT authentication, the client first submits the account password for login. After the account password verification is successful, the server will ...