How to make Python programs as fast as lightning and speed up by 30%?

People who hate Python always say that one of the reasons they don't want to use it is because it's slow. No matter what programming language is used, whether the program is fast or slow depends largely on the developers who write the program, as well as their skills and abilities to write the optimized fast program. In this article, let's prov ...

Posted on Fri, 17 Jan 2020 05:32:59 -0500 by Crashthatch

Introduction to c + + and object programming

c + + - Introduction to classes and objects (1) Syntax form of class definition: class name {  public: Common (external interface)  private: Private member  protect: Protected members };Common member: it is an excuse for class and external. Any external function can access common type data and f ...

Posted on Fri, 17 Jan 2020 04:39:37 -0500 by fizix

How to use AOP in SpringBoot

1. What is AOP AOP (Aspect oriented programming) is the complement and perfection of OOP (object oriented programming). OOP introduces the concepts of encapsulation, inheritance and polymorphism to build an object hierarchy to simulate a set of public behaviors. When we need to introduce public behav ...

Posted on Fri, 17 Jan 2020 04:22:10 -0500 by zleviticus

C + + implementation of solar system planetary system

Basic frame design I. Introduction This experiment will use OpenGL GLUT to write a simple solar system operation system. Knowledge points involved in the experiment Fundamentals of C + + language Basic Makefile Basic OOP programming ideas Basic use of OpenGL GLUT structure Experimental rende ...

Posted on Fri, 17 Jan 2020 03:48:05 -0500 by xengvang

Using java to realize mine sweeping games, no longer boring to learn grammar

Written at the beginning The link to the previous blog is: Using java to realize mine sweeping games, no longer boring to learn grammar (3) Task list The list of tasks for bloggers to do this project is as follows: Task 1: create window (completed) Task 2: window layout (completed) Task 3: define da ...

Posted on Fri, 17 Jan 2020 01:44:32 -0500 by vtolbert

Talk about jQuery

Recently, I have been studying the jQuery source code. At the beginning, I saw that the source code was confused. I really calm down and look at the writing carefully, which makes you feel the beauty of the code. It has clear structure, high cohesion, low coupling, excellent performance and convenie ...

Posted on Fri, 17 Jan 2020 01:32:39 -0500 by InO

The principle of color image acquisition of OV7725 camera and LCD display "one"

The principle of color image acquisition of OV7725 camera and LCD display "one" Original ...

Posted on Thu, 16 Jan 2020 22:58:49 -0500 by hustler

Talk about artemis's SesionConsumerFlowCreditMessage

order This article mainly studies EssionConsumerFlowCreditMessage of artemis SessionConsumerFlowCreditMessage activemq-artemis-2.11.0/artemis-core-client/src/main/java/org/apache/activemq/artemis/core/protocol/core/impl/wireformat/SessionConsumerFlowCreditMessage.java public class SessionConsumerFlowCreditMessage extends PacketImpl { privat ...

Posted on Thu, 16 Jan 2020 12:41:12 -0500 by itsinmyhead

Two week custom scripting language - day 4 for objects representing the program

Day 4 object to represent the program After the program is divided into words, the next step is to construct an abstract syntax tree. 4.1 definition of abstract syntax tree Abstract Syntax Tree (AST) is a kind of tree structure used to represent program structure. Lexical analysis (segmentation of words) - > grammatical analysis (constructi ...

Posted on Thu, 16 Jan 2020 10:22:28 -0500 by axon

NIO synchronous and asynchronous blocking -- transition to netty (an asynchronous event driven network application framework)

BIO and NIO IO is in the form of synchronous blocking and NIO is in the form of synchronous non blocking. NIO does not realize asynchronous. After JDK 1.7, NIO library package is upgraded to support asynchronous non blocking Schoolmate model NIO2.0(AIO) BIO: synchronous blocking IO. The server impleme ...

Posted on Thu, 16 Jan 2020 08:43:13 -0500 by JennyG