Programmer Think

In the previous article, I introduced PySimpleGUI, a python GUI artifact, and demonstrated some basic usage. Many readers' feedback said that this is really simple, except that the interface is a little "primitive" and there is nothing wrong with it. In fact, GUI interfaces such as PySimpleGUI are not comparable to Web pages. It is t ...

Github: https://github.com/cool-RR/PySnooper install $ pip install pysnooper Conda with Conda forge channel: $ conda install -c conda-forge pysnooper Arch Linux: $ yay -S python-pysnooper Fedora Linux: $ dnf install python3-pysnooper readme file PySnooper is a simple debugger. If you've used Bash, it's like set - x py ...

Scala name passing parameter and value passing parameter Call by name parameterCall by value parameter In Scala, when a parameter calls a function by passing a value, it evaluates the passed in expression or parameter value once before calling the function. However, when calling a function by name, the value of the passed in expression will b ...

exception handling What is an exception Although everyone hopes to be healthy and handle things smoothly, they will always encounter various conditions in real life, such as cold and fever, blue screen of computer at work, crash, etc. Similarly, in the process of program operation, various abnormal conditions will also occur, such as insu ...

Making computer programs run concurrently is a topic that is often discussed. Today I want to discuss various concurrency methods under Python.Concurrent modeThread ([thread])Multithreading is almost every program ape. When using each language, he will first think of tools to solve concurrency (JS programmers, please avoid). Using multithreadin ...

1, Function description ThreadLocal solves the blocking problem of accessing shared variables, and does not need to sacrifice CPU resources like CAS operation. It maintains a variable copy for each thread. When accessing the variables in ThreadLocal, each thread actually accesses the variable copy in its own thread, and the variable copy in th ...

As a python beginner, I want to write a blog to record my growth process and share what I have learned. The following are some superficial views and personal understanding of Python language by a python beginner. #while loop ''' The syntax format of the while loop is as follows: while conditional expression Loop body statement ''' #Exercise o ...

The main function of extern "C" is to correctly implement C + + code and call other C language code. After adding extern "C", the compiler will be instructed to compile this part of the code in C language instead of C + +. Since C + + supports function overloading, the compiler will add the parameter type of the function to ...

Interview collection: https://gitee.com/mydb/interviewHashMap is one of the most frequently used data types, and it is also one of the questions that must be asked in the interview. In particular, its underlying implementation principle is not only a common interview question, but also the cornerstone of understanding HashMap, so the importance ...

This chapter - get the tank moving Java event handling mechanism 1. Listen for keyboard events - KeyListener interface package com.tao.event_; import javax.swing.*; import java.awt.*; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; /** * Create By Liu Hongtao * 2022/1/12 20:40 */ public class BallMove extends JFra ...