Coder Club

Angular JS develops mobile project based on ionic framework. How to judge user rights before entering the front desk? First reference https://my.oschina.net/blogsh... This blog is revised in conjunction with personal development projects The first reaction is to add ng-if condition judgment on the tab which is to be controlled by authority, ...

[Da Shengdai's Technical Column] http://blog.csdn.net/qq_23191031 Respect for the success of others'work means respect for yourself. Preface stay "Android Control Architecture" Details of Android Control Architecture and Common Coordinate System In this article, I briefly described MotionEvent's common methods in the section &q ...

Regular expressions commonly used in IOS Regular expressions are used in string processing, form validation and other occasions, practical and efficient. Now we collect some commonly used expressions here in case we need them from time to time. Regular expressions matching Chinese characters: [u 4e00- 9fa5] Commentary: Matching Ch ...

Vue+Django REST framework Set up a website of fresh supermarket with front and back ends separated Django rtf completes mobile phone registration and user login (middle) Principle of Json Web Token Because our drf token auth has its shortcomings. So the most common way is JWT. The following is reproduced in: http://lion1ou.win/20 ...

Introduction: create-react-app is a global command-line tool released by Facebook to create a new project.   Usually when we start a react web or app project, we will use npm or yarn to install some dependencies needed by the project, then write webpack.config.js, a series of complex configurations, build the development environment and writ ...

It is a very common function in the development of APP to determine whether the application status is in the foreground or in the background, and to obtain the basic application information such as wifi or traffic connection. Today we will introduce AppState and NetInfo modules respectively. AppState AppState can get whether the current AP ...

First: Data grabbing: 1: Background research 1: Check robots.txt to find out what restrictions are imposed on crawling the site. 2): pip install builtwith；pip install python-whois 2: Data grabbing: 1: Dynamic loading content: Using selenium #!/usr/bin/env python # -*- coding: utf-8 -*- from selenium import webdriver f ...

Face recognition is a popular application in robotic applications. Some examples of Haar algorithm are found on the internet. They can run under opencv and recognize normally. They plan to run in ros. After searching on the internet, they find out. pi_face_tracker This example is an application in Pi robot. Pi robot is a mobile robot with a ...

In the current mainstream architecture, we increasingly see the existence of web Api, compact, flexible, based on Http protocol, which makes it serve as a good service endpoint in more and more micro-service projects or mobile projects. problemTake Asp.Net Web Api as an example, with the expansion of business and product iteration, our web api ...

Catalog Catalog HTML DOM DOM TREE JS Operation on DOM Search for DOM elements According to ID According to the label name According to Name According to class Getting HTML elements Get the body element Common methods for mobile terminals (incompatible under IE6-8) Changes to HTML Changing HTML output stream Changing ...