• Encapsulation, inheritance and polymorphism understanding in C + +


    encapsulation(encapsulation): it is to combine the abstract data and behavior (or function) to form an organic whole, that is, organically combine the data with the source code of operating data to form a “class”, in which data and functions are members of the class. The purpose of encapsulation is to enhance security and simplify programming. […]

  • Summary of common CSS encapsulation methods


    1. PC reset PC style initialization /* normalize.css */ html { line-height: 1.15; /* 1 */ -ms-text-size-adjust: 100%; /* 2 */ -webkit-text-size-adjust: 100%; /* 2 */ } body { margin: 0; } article, aside, footer, header, nav, section { display: block; } h1 { font-size: 2em; margin: 0.67em 0; } figcaption, figure, main { /* […]

  • Go HTTP handler unified response & exception handling


    background In web development, the following methods are generally written to process HTTP request and response results: //Handler that handles Hello requests func HelloHandler(w http.ResponseWriter, req *http.Request) { name := req.URL.Query().Get(“name”) If name = = “” {// name is required w.Write([]byte(“name is required”)) w.WriteHeader(http.StatusBadRequest) return } data, err := xxService.Find(name) if err != Nil{// abnormal […]

  • Fundamentals of Python Programming 19: encapsulation, inheritance and polymorphism


    Article catalogue Zero. Learning objectives of this lecture 1、 Class encapsulation (1) Why package 1. Case demonstration 2. Case analysis 3. Solution (2) How to implement encapsulation 1. Definition of encapsulation 2. Implementation of encapsulation 3. Case demonstration 2、 Class inheritance (1) Inheritance overview (2) Single inheritance 1. Schematic diagram of single inheritance 2. Definition […]

  • Go language development redis package and simple use details


    catalogue Go redis set operation — Sadd Install redigo Redis operation with password Batch add Password free redis operation Redis package reference resources Go redis set operation — Sadd Redis’s go language pack, we use the official recommended redigo, https://github.com/garyburd/redigo Install redigo ? 1 $ go get github.com/garyburd/redigo Redis operation with password ? 1 2 […]

  • Do it yourself Ajax


    Many Ajax technologies have been developed in the past, such as ext, prototype, jQuery and so on, but they are all open source and encapsulated Ajax frameworks. I have never really used pure Ajax, so I encapsulated an Ajax framework with reference to the object-oriented idea of prototype. I hope it can give readers reference, […]

  • Implementation of secondary packaging based on Python + selenium


    This is the secondary encapsulation of some common operations written by selenium.webdriver, which is equivalent to rewriting. Instead of using the built-in framework, it is completed with the framework written by myself. In this way, make the code more concise and write the code with your own ideas. First, create a subdirectory named common in […]

  • Python read ini configuration class encapsulation code instance


    This article mainly introduces the python read ini configuration class encapsulation code example, the article through the example code is very detailed, for everyone’s study or work has a certain reference learning value, need friends can refer to This is the basic encapsulation, without considering too much exception handling class # coding:utf-8 import configparser import […]

  • Simple encapsulation code instance of pymysql


    This article mainly introduces the simple encapsulation code example of pymysql. The example code introduced in this article is very detailed, which has a certain reference learning value for everyone’s study or work. Friends in need can refer to it #coding=utf-8 #!/usr/bin/python import pymysql class MYSQL: “”” Simple encapsulation of pymysql “”” def __init__(self,host,user,pwd,db): self.host […]

  • Wechat applet encapsulates multiple pictures and uploads api code examples


    This article mainly introduces the example of wechat applet encapsulating multiple pictures to upload api code. The example code is introduced in great detail, which has a certain reference learning value for everyone’s study or work. Friends in need can refer to it The code is as follows export default class Upload{ constructor(object) { this.obj […]

  • Implementation of universal encapsulation of Android MVP basefragment


    This is the sixth article in our series on the basic MVP framework. Basemvp has been encapsulated by us almost. From the last article (Android MVP architecture (V) MVP multiple presenter dependency injection), we have solved the problem of multiple presenters. This is to dynamically instantiate different presenters by means of dependency injection and reflection […]

  • An example of encapsulation code for Java to return paging result set


    This article mainly introduces the Java returns pagination result set encapsulation code example, the article through the example code introduction is very detailed, has certain reference study value to everybody’s study or the work, needs the friend may refer to The code is as follows package com.leyou.common; import java.util.List; public class PageResult<T> { Private long […]