Regular expression: necessary for form validation processing
The common JavaScript regular expressions are collected and sorted out, which is necessary for form validation processin...
JS event flow, DOM event flow, IE event processing, cross browser event processing, event object and type
Removal of events
removeEventListener() The second parame...
Function and usage of Notification
Notification is a notification displayed in the status bar of the mobile phone - the status bar is located at the top of the mobile phone screen, whe...
How to send verification code to mobile phone?
How to send verification code to mobile phone? I. Preface Technical name: Ali is greater than SMS verification (one of the ways to send SMS verificat...
Java realizes SMS function through SMS platform
Preface This paper records the use of SMS platform built by China net, which needs to be registered before use. Here, only the use of SMS interface i...
Using UAV (mobile phone) and Unity3D software to make their own VR panoramic software
*There are many panoramic websites and companies in the market. I will not list them here. I will Baidu VR and Panorama and so on will jump out a lot...
Use SignalR to actively push alert logs from the server to various terminals (desktop, mobile, web)
WeChat public address: Dotnet9 Website: Dotnet9 , questions or suggestions: Please leave a message on the website， If it helps you: Welcome appreciat...
Explore the difference between Reflect.apply and Function.prototype.apply
As we all know, ES6 adds a global, built-in, non constructable Reflect object, and provides its next series of interceptable operation methods. One of...
android ------ RecyclerView imitates Taobao shopping cart
Shopping cart is often used in e-commerce projects. There are many projects with different interfaces. Choose one to talk about it. RecyclerView imita...
spring's Custom Annotation Analysis
Preface spring provides rich annotations, but sometimes does not meet the complex needs of existing businesses. We can refine our business framework b...
Experience in the development of vue mobile terminal
Introducing Mint UI on demand Used in this project mint-ui As a basic ui framework, it has encountered many problems in use. The official website doc ...
Python basic exercises
1. Number of printing 1-100 for i in range(1, 101): print(i) 2. Print the sum of 1 + 2 +.. 100 num = 1 sum = 0 while num < 101: sum += num num += 1...
Custom plug-in of vertical waterfall flow based on jquery
The company's new project has made a plate about pictures. It found some waterfall plug-ins on the Internet that are not very suitable for itself...
How H5 evokes Baidu map App
Recently, I took over a demand for hybrid development. After h5, the front-end embedded the page into ios and android, and the map navigation of Baidu...
Implementation of paging query in weUI
This paper introduces the implementation of h5 paging query in mobile terminal 1. front end html Front end implementation based on weui style library ...
Common code set
I. jquery returns to the top $("html , body").animate(,'slow'); Second, jQuery judges the sliding direction of the mobile screen ...
Detailed explanation of the latest wechat domain name detection technology
Now the number of users of wechat has ranked first in all communication apps, and wechat has become one of the largest mobile traffic platforms in Chi...
Theory+Practice: shell case statement for/while/until loop statement, function, array-full dry goods
Preface: Single quotation marks denote pure symbols with double quotation table strings case multi-branch statement Loop statement for loop statement...
The use of Web view developed by Flutter and the custom processing of its hyperlink
Preface: The Flutter project needs to use WebView to load web pages. Here I use the plugins of Flutter and inappbrowser to load web pages inside the A...
1 Directory Description
Directory Description **bin**Essential command binaries Binary program of basic commands available to all users **boot**Static files of the boot load...
Forged form data part of form builder random vehicle license plate
A few days ago, I recorded the mongodb part of the form data storage structure of the form builder, and then I wanted to forge some data. Why forge da...
After using Python to climb data and FineBI for analysis, I found that Taobao's mobile phone was so cheap
Recently, I want to start a new mobile phone. Considering that domestic mobile phones are different now and in the past, both the sales volume and the...
A detailed explanation of how the generated token of jwt authentication is passed back to the backend and parsed
token backend parsing after jwt authentication generation First, the front end sends the token The location of token headers {'authorization'...
The principle and code of avoiding domain name link blocked and blocked by wechat
The domain name link is blocked by wechat, that is, it cannot be opened in wechat environment. You need to click the top right corner to select a bro...
Deep analysis of thread pool in java thread series
(it's more convenient to see the source code on the horizontal screen of mobile phone) Note: java source code analysis part is based on java ver...
Built in methods for basic data types
Basic data type built-in method I. conversion between base numbers Example ''' Binary to decimal 110 Manual calculation: 1 * (2 * * 2) ...
Those things about broadcasting in Android development
I remember when I was a child, everything in the village would be notified through the loudspeaker of the village radio station, which is still the c...
Copy Set of MongoDB
Overview of Replication Set Functions The replica set is a group of MongoD processes used by MongoDB to maintain the same data set. The replica set p...
2. Introduction and Practice of React Native Flex Layout
I haven't written a blog for a long time. I have been recording some problems with my impression notes. In 2017, I want to write my blog again. ...