JS Learning Notes (Chapter 14) (Form Scripts)

The Knowledge Architecture of this Chapter var EventUtil = { //Adding event handlers addHandler: function(element, type, handler){ if (element.addEventListener){ element.addEventListener(type, handler, false); } else if (element.attachEvent){ element.attachEvent("on" + type, handler); } e ...

Posted on Fri, 26 Jul 2019 22:04:16 -0700 by forcom

Day 22

Object-Oriented Encapsulation property Decorator       What is encapsulation? Generally speaking, encapsulation is to hide what you don't want others to see. In the program, it means that you can hide some properties and implementation methods that don't need others to see, leaving only some methods that can be accessed and invoked to oth ...

Posted on Fri, 26 Jul 2019 07:41:37 -0700 by microthick

Layout of ASP.NET Core MVC

1. What is layout? Layouts usually contain common user interface elements, such as application headers, navigation or menu elements, and footers, as shown in the figure: Common HTML structures, such as scripts and stylesheets, are also frequently used by many pages in applications. All these shared elements can be defined in the layout and ...

Posted on Fri, 26 Jul 2019 06:44:24 -0700 by reeferd

Several Methods of Dynamic Binding Class Names with vue

class binding Individual Judgment Recommendation 1 Two conditions for dynamic switching recommendation 5 More than one recommendation 4 1. We can pass an object to `v-bind:class'to dynamically switch classes Dynamic binding of a single class according to isActive's true and false changes <div :cl ...

Posted on Thu, 25 Jul 2019 23:54:13 -0700 by mofm

Introduce the differences between Set, Map, WeakSet and WeakMap

1.set Basic Usage ES6 provides a new data structure Set. It is similar to an array, but the values of members are unique and there are no duplicate values. Set itself is a constructor for generating Set data structures. const s = new Set(); [2, 3, 5, 4, 5, 2, 2].forEach(x => s.add(x)); for ( ...

Posted on Thu, 25 Jul 2019 01:08:51 -0700 by adiwood

Design Patterns-Prototype Patterns

Prototype Pattern: Used to create duplicate objects while ensuring performance. This type of design pattern belongs to the creation pattern, which provides the best way to create objects. This pattern implements a prototype interface for creating clones of current objects. This pattern is used when ...

Posted on Wed, 24 Jul 2019 21:23:54 -0700 by quiksilver

7. Multi-table operation of Django's orm

Multi-table operation Three relationships: one-to-one, one-to-many, many-to-many 1. Data preparation and table model creation Configure settings to connect to the database # settings Change Configuration DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', 'NAME': 'orm03', 'HOST':'127.0.0.1', 'PORT':3306, 'USER':'root', 'PASSWORD' ...

Posted on Tue, 23 Jul 2019 06:48:15 -0700 by wata

File API File Operation Practice of HTML5

This article is from File API File Operating PracticeAll the other series are on it. Github This is the case. Welcome to communication and Star. introduce HTML5 provides us with File API specifications. Mainly related to File interface and FileReader object . This paper collates the common front-end file operations in the development of compa ...

Posted on Mon, 22 Jul 2019 06:06:57 -0700 by sgs-techie

tensorflow self-study in actual combat [2]

Denoising self-encoder based on tensorflow Autoencoder: An unsupervised learning algorithm, which is mainly used for data dimensionality reduction or feature extraction. In deep learning, autoencoder can provide the initial value of the weight matrix before training begins. Xaiver Glorot and Yoshua Be ...

Posted on Mon, 22 Jul 2019 01:43:15 -0700 by vumpler

CSS: Analog Snow Effect Animation Production Tutorial

Snowfall effect is just the name of a kind of effect. It can be the movement effect of some free falling bodies, such as red envelope rain. This paper simulates the effect of snow with pure css, and more effects can be exerted by ourselves. 1. Preface Due to the activities of the company's products, ...

Posted on Mon, 22 Jul 2019 00:55:18 -0700 by moise