React (12) combination (slots similar to Vue components) and inheritance

18. Combination (slots similar to Vue components) In Vue, if we need to let part of the content of the child component be controlled by the parent component instead of by the child component, then we will use slot < slot ></slot> as the writing of slot. In React, the parent component is the same, but the child component is imple ...

Posted on Sun, 19 May 2019 19:58:58 -0400 by kireol

When we're talking about Object

This article is from: http://blog.csdn.net/dt235201314/article/details/78318399 Summary All classes in JAVA inherit from Object classes, starting with Object as source code parsing. Two Common Methods image.png Note: The above green method is the non-native method and the pink method is the native method. What is the native m ...

Posted on Sun, 19 May 2019 18:40:11 -0400 by bad_goose

underscore source code parsing (1)

Retained root // Establish the root object, `window` (`self`) in the browser, `global` // on the server, or `this` in some virtual machines. We use `self` // instead of `window` for `WebWorker` support. var root = typeof self == 'object' && self.self === self && self || typeof global == 'object' && global.glo ...

Posted on Sun, 19 May 2019 14:12:17 -0400 by usmanmr

OpenGL Draws Simple Triangles

OpenGL Draws Simple Triangles Previously, I was busy researching something else. Recently, it came to mind that the actual application of OpenGL has not been written yet. Now I can make up for it. Get ready However, any use of OpenGL in an Android environment requires a GLSurfaceView instance first.There are tw ...

Posted on Sun, 19 May 2019 11:06:22 -0400 by lanas

Add custom pages in Odoo

A couple of days ago, my little buddies asked some questions about customizing pages and widgets in Odoo, so I'll write a short article to teach you how to create customized pages and refer to third-party libraries. If you have read the basic tutorials I wrote before, you should know that we used Odoo11 from the beginning. From today on, all of ...

Posted on Sun, 19 May 2019 10:18:30 -0400 by bk6662

Basic Knowledge of Python Data Science

Translator: Crazy Technology HouseOriginal text: https://towardsdatascience.co... Python data type There are many data types in Python. The most common ones are float (floating point), int (integer), str (string), bool (bool), list and dict (dictionary). float - Used to represent real numbers. int - used to represent integers. str - Represent ...

Posted on Sun, 19 May 2019 09:35:28 -0400 by mitjakac

Python uses metaclasses

metaclass metaclass: In addition to using type() to create classes dynamically, metaclass can also be used to control the creation behavior of classes. Metaclass, literally translated into metaclass, is simply interpreted as: When we define a class, we can create instances based on it. So, first define the class, then create ...

Posted on Sun, 19 May 2019 09:23:47 -0400 by slshmily

JavaScript DOM Element Addition, Deletion and Change Steps Detailed

DOM concept DOM (Document Object Model): Document Object Model. Viewable from the Elements tab of the developer's tool From the Sources tab of the developer's tool, you can also see that the entire document has a series of nodes. The whole document is a tree composed of a series of node objects. Node includes element node (1), ...

Posted on Sun, 19 May 2019 06:30:02 -0400 by Gustav

CSS3 Animation for Loading Animation

Using animation in CSS3, we can achieve many dazzling effects. Today we will use the animation attribute to complete the loading effect as shown in the figure above. 1 Basic Composition First, complete the basic composition: The above figure can be parsed into four parts: External rectangle Red Rectangle on t ...

Posted on Sun, 19 May 2019 06:16:08 -0400 by simflex

Rxjava+Retrofit for multi-picture upload

1. Preface Project requirements: Require multiple pictures to be uploaded with additional attribute values. Project Usage Framework: Rxjava+Retrofit+Okhttp. Attached is the detailed use of Retrofit in Upper Deity, which is the basis of this article: Retrofit Details. 2. Background interface By analyzing the background interface, you kno ...

Posted on Sun, 19 May 2019 05:47:43 -0400 by zhahaman2001