Programmer Help

Foreword: Custom controls like this have many open source projects, but they still haven't found what I want in my project, so I simply implemented one. Here's a brief introduction to the principle of implementation. Design sketch: Realization ideas: Firstly, a fixed background ruler is drawn, and to achieve this, the width of the calibr ...

Preface Activity is the most important element in Android development, because most of the use of APP is to operate it. Activities of an application are placed on one or more task stacks. There are two ways to view activities in the task stack and stack. ADB command adb shell dumpsys activity activities This method can get detailed da ...

The following content is original. Welcome to reprint it. Please note it. From Daily Blog: http://www.cnblogs.com/tiantianbyconan/p/6732128.html Android Gradle plug-in DiscardFile Plugin (empty classes and methods) An android gradle plugin for discard class or method in compile time. An Android Gradle plug-in for ignoring empty classes and met ...

Web site, automatic deployment, automatic backup, how to upload backup files to a certain place, such as Qiniu space In order to make the server downtime when it is unnecessary and can't restart the server, the backup files in it can't be obtained. If there are other backups available at this time, then set it up now. Wind. foxwho Timely ...

This article is excerpted from Nodejs Learning Notes. For more chapters and updates, please visit github home page address . Welcome to Group Exchange, Group Number 197339705. brief introduction MD5 (Message-Digest Algorithm s) is a hash function widely used in the field of computer security (also known as hash algorithm, digest algorithm), ...

I was going to find an example of react calling Wechat's jssdk on the Internet for learning, but unfortunately I searched for half a day without success, only some based on other frameworks. It's estimated that the Bulls felt too simple or too busy to spend hours with pens to make a Demo for us. For us in the age of rapid learning, how im ...

There is a drawBitmapMesh method in Android's Canvas canvas that allows various distortions of Bitmap.Let's try the effect of twisting the image out of the ripple. Unlike the flattened water ripple in Material Design s, the real water ripple effect is simulated by image processing, and the final result is as follows: Introductio ...

Preface First of all, this is not a tutorial post, but Notepad is an earlier case on the web, which is very helpful for learning vuex.My goal was to explore vuex 2.0 and rewrite it with vue 2.0 + vuex 2.0, the biggest of which was the problem encountered when building an application with vue-cli.Explore Vue and vuex through these questions. I ...

Android Runtime Permissions The Android development team refers to the runtime permission function in Android 6.0 system to better protect users'security and privacy. Users do not need to authorize all applications at one time when installing the software, but can authorize another application during the use of the software. Andr ...

## Project address: itchat4j The project is long-term maintenance and update, welcome star, fork, pull requests, issue. source Itchat is a very excellent open source personal number interface for wechat. It is developed in Python language and provides a simple and easy API. It can easily expand personal micro-signal, realize automatic respon ...