C + + implementation of stack and queue

In linear table, the first in first out is called queue, and the first in last out is called stack. Queues are often used in BFS. When the recursion level of the function is too high, the recursive process needs to be implemented manually, and a "manual stack" needs to be written. Sometime ...

Posted on Tue, 30 Jun 2020 03:28:29 -0400 by appels

Kinematics and trajectory planning simulation of PUMA 560 based on Matlab

Kinematics analysis of PUMA560 Reference textbook: Cai Zixing, the third edition of Robotics PUMA560 modeling and simulation matlab code matlab Toolbox: robotics toolbox ① Download address http://petercorke.com/wordpress/toolboxes/robotics-toolbox Download the installation package (. zip) format, and copy the extracted folder &quot ...

Posted on Tue, 30 Jun 2020 03:16:18 -0400 by themistral

[code explanation] using Python 3 + Tkinter to develop class attendance system with graphical interface

Using easy to learn Python and its powerful tripartite library to develop a simple attendance system: 1. Development background 2. Implementation process -Data reading -Data slicing and comparison matching -Graphic development 3. Operation effect -Interface -Choose the path -Read data -Final effec ...

Posted on Tue, 30 Jun 2020 02:49:29 -0400 by dexter_sherban

Record website visits

1. Create a table in the database to store the hits 2. Create a listener (MyWebListener) to implement the ServletContextListener interface. When the project is started, the hits are obtained through the dao layer (ContextMapper) and stored in the ServletContext. 3. Increase the number of visits when vi ...

Posted on Tue, 30 Jun 2020 02:50:41 -0400 by Derokorian

Necessary knowledge points of MySQL development log file

Necessary knowledge points of MySQL log file development Reference source: juejin.im/post/5b7c0aabf265da438415b9eb preface Log files record all kinds of activities that affect MySQL database. Common log files in MySQL database include error log, binary log, slow query log and query log. They are i ...

Posted on Tue, 30 Jun 2020 02:24:32 -0400 by flyersun

Several special ways of Spring Bean instantiation

ServiceLoader uses the reverse control in JDK ServiceLoaderFactoryBean AutowireCapableBeanFactory#createBean BeanDefinitionRegistry#registerBeanDefinition RumenzFactory interface and default implementation class DefaultRumenzFactory RumenzFactory.java package com.rumenz; public interface RumenzFactory { //jdk1.8 default implementation ...

Posted on Tue, 30 Jun 2020 02:10:36 -0400 by HektoR

User defined OAuth2.0 token issuing interface address

Login implementation Take the example of a web browser login: The essence of web login based on OAuth2.0-password mode is that the browser passes the user name and password to the background through the / oauth/token interface, and then returns a valid token to the browser after the background verification Send the request through the curl comm ...

Posted on Tue, 30 Jun 2020 01:46:37 -0400 by Chalks

User defined OAuth2.0 token issuing interface address

Login implementation Take the example of a web browser login: The essence of web login based on OAuth2.0-password mode is that the browser passes the user name and password to the background through the / oauth/token interface, and then returns a valid token to the browser after the background verification Send the request through the curl comm ...

Posted on Tue, 30 Jun 2020 01:32:05 -0400 by limpo

Wechat applet sharing and forwarding events

"Sharing and forwarding" function of wechat applet1. On page custom sharing2. "..." in the upper right corner of the page Sharing behavior When the event "onShareAppMessage" is not added to the page js, the upper right corner "..." No forward events will occur.If there is an event, but the event content i ...

Posted on Tue, 30 Jun 2020 01:32:51 -0400 by Edward

Design Richter substitution principle

Richter substitution principle is one of the basic principles of object-oriented design. According to the principle of Richter's substitution, any base class can appear, and subclasses must appear. LSP is the cornerstone of inheritance and reuse. Only when the derived class can replace the base class an ...

Posted on Tue, 30 Jun 2020 01:12:43 -0400 by GameYin