Programmer Group

I. Basic Object-Oriented Knowledge 1.1 Basic Format # Definition class class Class name: def Method name(self,name): print(name) return 123 def Method name(self,name): print(name) return 123 def Method name(self,name): print(name) return 123 # Call methods in classes # 1. Create ...

Vue-quill-editor is a rich text editor that we often use when we re-use the Vue framework. When we edit rich text, we often insert some pictures. The default way of vue-quill-editor is to convert pictures directly to base64 encoding. As a result, html fragments of rich text are very redundant. Usually, each server receives them. Th ...

Introduction and Import of RecyelerView and CardView RecyelerView and CardView are new controls in the 5.0, support-v7 package. The effect is as follows: If you use it, you still need to import it. After all, it's not self-contained. Modle's build.gradle adds: dependencies { compile 'com.android.support:recyclerview-v7:25.2.0' ...

In android, we will find that some of the software's head or bottom styles are unchanged. For example, the Apple mobile phone has no entity to return keys, it can only be realized with virtual keys. In android system, we can also achieve this function. First of all, let's see how to achieve the simplest. First, we need to create a layout file ...

BLE:(Bluetooth low energy) Bluetooth 4.0 device is also called BLE because of its low power consumption. peripheral,central: peripheral and central device, the device that initiates the link is central (generally referred to as mobile phone), and the device that is linked is peripheral (sports bracelet) service and characteristic: Ea ...

Information Security Experiment SQL Injection I. Experimental Contents 1.Finish all six challenge on the website,or give the reason why the protection is unbreakable(need an experiment report ). 2(Extended work).Tell me why [input = a' or '1=1' or '1=1] doesn't work on the login website in your experiment report. II. Experimental proces ...

maven has the function of multi-module aggregation, that is, it can reflect the relationship between modules by parent-child relationship, and associate each module.   Firstly, we introduce the module with inheritance dependency (multiple modules are not only associated with public modules, but also interdependent with each other). Definitio ...

Write a program to send short messages from computers to mobile phones, and find three ways from the Internet: (1) Send short messages using web service interface, which can be sent using web service provided by sina, but need to register; (2) Send short messages using short message mao, which should be a common way of comparison, if you need t ...

XML Interpretation of Agisoft Photoscan/Mateshape Camera Parameters Agisoft Photoscan / Mateshape is a high-quality three-dimensional modeling software using photos. It only needs a few photos to reconstruct the scene sparsely and densely. Photoscan reconstruction results can be derived in the form of point cloud (.ply) and ca ...

I really like the effect of folding toolbars in Material Design, which is the design used in Bilbili Android Client Video Details Page. In the second part of this article, we will learn about the use of Collapsing Toolbar Layout by simply emulating the implementation of Bilbili Video Details Page. The third part of the article introduces the ...