Common classes of Java
1 common class 1.1 string related classes 1.1.1 use of string String: a string represented by a pair of "". 1.String is declared as final and cannot be inherited. 2.String implements the Serializable interface: indicates that the string supports serialization; The Comparable interface is impleUTF-8...
Posted by dingus on Mon, 27 Sep 2021 09:00:12 +0530
Socket for LWIP Learning (API)
Socket API 1.Socket() Interface Prototype int lwip_socket(int domain, int type, int protocol) Functional action: Function used to allocate a socket's descriptor and resources based on a specified address family, data type, and protocol Function parameters: domain address family AF_INET (IP_V4)UTF-8...
Posted by apoc- on Mon, 18 Oct 2021 21:44:03 +0530
Gin framework: add HTTP basic authentication Middleware
introduceThrough a complete example, add HTTP basic authentication middleware to the micro service based on Gin framework.What is HTTP basic authentication middleware?The verification middleware will intercept each API request and verify the verification of Basic Auth or X-API-Key.We will use rUTF-8...
Posted by pastijalan on Tue, 09 Nov 2021 23:57:05 +0530
Alipay signature and check sign, return_url and notification page notify_url
1 Alipay signature and signature Role of signature and signature verification First, what is the role of using RSA signature and signature verification? After signing the data, it can ensure the integrity, confidentiality and non repudiation of the sender's role, and can effectively prevent theUTF-8...
Posted by outatime88 on Wed, 09 Mar 2022 01:14:05 +0530
Python series 18 - api for data visualization
I Using api In the blog, you will learn how to write an independent program and visualize the data it obtains. This program will use the Web application programming interface (API) to automatically request specific information of the website instead of the whole Web page, and then visualize thUTF-8...
Posted by Eclesiastes on Wed, 09 Mar 2022 17:02:14 +0530
Domain driven programming, how to write the code?
Author Chang YeSource: Ali technical official accountI. PrefaceCompared with the MVC layered architecture that we are familiar with, domain driven design is more suitable for the architectural model of complex business systems and software systems that need continuous iteration. There are many UTF-8...
Posted by craige on Tue, 15 Mar 2022 23:10:16 +0530
Mouse movement event (imitating JD commodity viewing magnifier) (js part)
Analyze your thoughts before writing First, add a mouseover event to the product image, When the mouse enters, a yellow mask layer and a large product picture are displayed, Add the event mouseout when the mouse leaves, and set display=none to hide it; Then add a mouse movement event to the picUTF-8...
Posted by alpachino on Fri, 27 May 2022 22:42:33 +0530
Build Your Own Voice Assistant in 80 Lines of Javascript
In this tutorial, we will build a virtual assistant (like Siri or Google Assistant) in the browser using 80 lines of JavaScript code. You can test the app here, and it will listen to the user's voice commands and reply with synthesized speech. All you need is: Google Chrome (version 25+)a text UTF-8...
Posted by luddeb on Sat, 28 May 2022 15:42:38 +0530
PS common command system WMI view and operation related commands
[TOC]0x00 Preface BriefQ: What is WMI? Answer: WMI has been around for many years, but many people are not familiar with it. Know it's nice and powerful, but don't know where it came from, how it works, what's the scope of use? WMI has a set of APIs, whether we use VBScript, PowerShell scripts UTF-8...
Posted by prouty on Thu, 29 Sep 2022 11:17:38 +0530
8 React Libraries You Should Try in 2021
1. react-selectA powerful, powerful form drop-down selection box libraryRepresents a whole new way of developing powerful react.js components that work out of the box while being fully customizable.Outstanding FeaturesFlexible data processing methods with customizable functions.Flexible combinaUTF-8...
Posted by kkibak on Sat, 18 Feb 2023 13:21:34 +0530