Programming VIP

Previous Hard core explains the use of life cycle of Jetpack This paper mainly introduces the significance of life cycle, basic and advanced use methods. Today, I don't want to talk much about it, just start rolling source code. This article is based on the android_9.0.0_r45 Source code, all relevant source code including comments have been upl ...

Directory Introduction 01. What is recursion 02. Recursive Three Conditions 03. Fibonacci series 04. Find all files in the specified directory 05.Find 1+2+...+N and 06. Find a factorial of 100 07. Combination of Ordered Numbers 08. Find a multiplier 09. Backpack problem 10. Select a team 11. Hannotta Problem 12. Dichotomy Search 13. Watch out ...

Canvas is widely used. It can not only be used for drawing, making tables with ECharts, but also for playing games. But this time, I will share an application of using canvas to realize the special effect of scraping card If you don't know the basics of canvas, please read my blog The beginning and introduction of canvas Here's ...

Recently, I haven't updated my blog for a long time. I've been busy with the studio project recently. By the way, I went out for a tour on national day to relax myself. It turns out that I was wrong. It's a distraction. It's a distraction. It's a person everywhere. I'll go out to play in the future. It's definitely not on holid ...

1. The reading and writing of stream based text files is relatively simple for C ා. Generally speaking, the following five basic steps are required: Create a file stream -- FileStream Create reader or writer - StreamReader/StreamWriter Perform read or write operations Close reader or writer Close file stream 2. BinaryReader an ...

6. Zuul Gateway 6.1 Introduction Zuul is the unified gateway to our services Whether it's a request from a client (PC or mobile) or an internal call to a service. All requests for services go through the Zuul gateway, which then implements authentication, dynamic routing, and so on. 6.2 Getting started with Zuul Actual path: http://loc ...

demo:https://download.csdn.net/download/u012881779/10756087 This article is due to a question asked during the interview this summer. Have you customized photo selector? So I take the time to check the data and write a simple demo here. Content: 1. Write a "custom picture selector". 2. The tool is used to cut the pict ...

Effect: Static: sub view s are arranged symmetrically, allowing dynamic addition, and 0 ~ 24 can be displayed well When rotating: the center view does not move, the sub view rotates with the gesture, and the bottom sub view becomes larger and prominent Implementation ideas: All the controls are added to a large background v ...

Why to use thread pool 1. Frequent creation and destruction of threads consumes resources and time. In other words, thread pools can save resources and time. 2. Some threads take less time to execute tasks than to create and destroy threads.2. Function of thread pool: Thread pool is a technology of creating threads in advance. B ...

When we create a project, if Include C++ Support is checked, a CMakeLists.text will be generated in the same level directory of main Let's introduce one by one # For more information about using CMake with Android Studio, read the # documentation: https://d.android.com/studio/projects/add-native-code.html # Sets the minimum ...