Learning notes of PyQt5

Learning PyQt Because I love it. Content reference from ARCHi's blog 1, Object oriented creation GUI 1. Create a graphical interface according to the following format class Example(QWidget): # The above can be inherited from QWidget and QMainWindow, indicating that they are controls or main windows respectively ...

Posted on Fri, 03 Apr 2020 16:16:51 -0400 by kwilameiya

What can I do after learning the three structures of C language? (write a calculator and keep updating)

Name: Gong Zheng Place: Home Experiment time: March 25, 2020 Experimental items: Purpose and requirements of the experiment 1,...... 2,...... Experimental content Experiment exercise: 1. Simple description of the problem: simple description of the project 2 experiment code: it needs to use MARKDOWN to insert code. 3 problem analysis: (focus on ...

Posted on Tue, 24 Mar 2020 09:18:30 -0400 by shivers

How to program Python 3 -- Python example

Python Hello World instance Python number summation Python square root Python quadratic equation Python calculates the area of a triangle Python calculates the area of a circle Python random number generation Python Celsius to Fahrenheit Python exchange variables Python if statement Python determines whether a string is a number Python judge o ...

Posted on Mon, 16 Mar 2020 04:14:39 -0400 by php_2004

Difference between JDK agent and CGLib agent

Difference between JDK dynamic agent and CGLib dynamic agent: 1. The dynamic agent of JDK is based on the implementation of the interface, so the implementation of the dynamic agent of JDK must first define the interface; 2. The JDK dynamic proxy mechanism is a delegation mechanism, which delegates the ...

Posted on Sat, 14 Mar 2020 09:25:29 -0400 by escabiz

Operator overloading in the basis of C + + programming (Chapter 7)

C + + predefined data types provide a rich set of operators to operate data in a simple and clear way. Programmers can also overload operator functions and use operators to manipulate custom data types. This chapter discusses the syntax and use of operator overloading, as well as the type conversion fu ...

Posted on Thu, 12 Mar 2020 02:02:36 -0400 by webdata

Gorgeous design of tkinter calculator in Python

It's a terrible problem. It's only found when writing small programs No matter what is written on the book, only when you write the program by hand, can you realize that there are many knowledge points that the book does not have. There may be, but many of them are brought by one stroke. Only when you g ...

Posted on Thu, 12 Mar 2020 01:48:11 -0400 by CountryGirl

Calculator based on Java GUI Graphical Interface

"Implement an application based on Java GUI" - this is a big assignment of the java course on December 20 last semester. I wanted to blog when I finished it, but I didn't send it until now. What I did for this big assignment was a calculator, which was more complicated than I expected. Cal ...

Posted on Sun, 08 Mar 2020 08:04:13 -0400 by hstraf

[LeetCode] Basic Calculator I II III summary

A few days ago, I saw a big guy in WeChat official account who learned a lot about how to implement a simple calculator. So I found the original question code on LeetCode and recorded my experience here. Put the original question first: LeetCode-224 : Basic Calculator Implement a basic calculator to e ...

Posted on Fri, 06 Mar 2020 02:19:37 -0500 by computerbum

Java select statement [3]

Article directory Java select statement [3] Section 1: basic structure of procedure 1.1 sequence structure 1.2 selection structure 1.3 cycle structure Section 2: if statement 2.1 simple if statement 2.2 if else statement 2.3 multiple if statements 2.4 nested if statements 2.5 special if statement ...

Posted on Thu, 05 Mar 2020 08:37:40 -0500 by mw-dnb

C ා basic syntax -- method definition, call and debugging

Article directory 1, The origin of the method 1.C language function example 2.C + + language function example 3. Definition and call of methods in C + + language 2, reuse of methods 3, Method declaration and call 1. Method declaration 2. Static method and instance method 3. Method call 4, Constru ...

Posted on Fri, 28 Feb 2020 01:54:10 -0500 by aravind_mg