Talk about asynchronous programming from js

The purpose of the article Unveil the mystery of gorouter of go, async/await of c#writing asynchronous code in synchronous writing, and prove that it is essentially a grammatical sugar Why use js for asynchronous programming Because js can implement async/await syntax through the programming language's own syntax features js asynchronous bottom ...

Added by frijole on Thu, 30 May 2019 19:15:23 +0300

This time, I don't even need web.xml. I build SSM environment in pure Java.

In Spring Boot project, normally there is no XML configuration, because Spring Boot does not recommend using XML. Note that Spring Boot does not support it. Spring Boot recommends that developers use Java configuration to build frameworks. In Spring Boot, a large number of automation configuration is achieved through Java configuration. This se ...

Added by kpegram on Wed, 29 May 2019 21:59:28 +0300

Java Concurrency-Analysis of CAS Principle

We know that when multithreaded operations share resources, there are three problems: visibility, orderliness and atomicity. Generally, we use synchronized synchronized synchronized lock (exclusive lock, mutex lock), that is, only one thread can modify the shared variables at the same time. Other threads must wait. But this is equivalent to s ...

Added by Smruthi on Wed, 29 May 2019 12:23:09 +0300

Getting Started with Python Basic Three-Function

What is a function Definition: A function is a set of statements encapsulated by a name (function name). To execute the function, simply call the function name. Features: 1, reduce duplicate code 2, make the program extensible 3, make the program easy to maintain Call function To call a function, you need to know the name and parameters of the ...

Added by davissj on Wed, 29 May 2019 11:34:08 +0300

Step by Step Learning WebSocket (2) Programming WebSocket

meet Part One In this article, we use programmable WebSocket to implement the previous example:Server Endpoint, no longer using the Server Endpoint annotation:public class ProgramerServer extends Endpoint {     @Override     public void onOpen(Session session,  ...

Added by FlipinMonkeyPie on Mon, 27 May 2019 02:47:34 +0300

Experimental Report on Network Programming and Security of Experiment 5, No. 20175313

Catalog I. Experimental Contents II. EXPERIMENTAL STEPS 3. Key Code Parsing 4. Screenshots of experimental results 4. Problems and Solutions in the Process of Experiments 5. Experience 6. Code Cloud Link VII. References I. Experimental Contents Task 1: Impleme ...

Added by theBond on Sun, 26 May 2019 22:42:39 +0300

Spring Series Tutorial 8: Two ways Spring implements transactions

1. Spring Transaction Concepts: Transactions are a series of actions that, when combined, are a complete unit of work. They must all be completed. If one fails, the transaction rolls back to its original state as if nothing had happened. Transaction management is an essential technology for enterprise application development to ensure data in ...

Added by freejellyfish on Sat, 25 May 2019 21:14:34 +0300

A comparison of Python multithreaded multiprocess and linear execution

Thread,Process,Line In the programmer's life, we must encounter the problem of too long calculation time, at this time, it is necessary to improve the efficiency of the algorithm.There are several methods: algorithm optimization, the power to stimulate CPUGPU, and so on. I'm now sharing my thoughts on python's multi-threaded, multi-process a ...

Added by Jakebert on Sat, 25 May 2019 20:03:41 +0300

Data Structure and Algorithms--Introduction

Properties of the algorithm Infinity Availability certainty Terminality -Input and Output Description of the algorithm Natural Language Description Natural Language Plus Mathematical Formula Programming Language Description -Pseudo Code Description Common design pattern Enumeration Method Enumerate the possibilities based o ...

Added by alonso on Fri, 24 May 2019 20:28:16 +0300

Android's Source Codes and Extensions on volley (I)

Some Extended Sharing About volley Sharing This article does not explain the basic usage of volley and how to request data. The purpose of this article is to learn some optimization of Volley for us. Simple Source Code Analysis Practical extension I. Simple Source Code Analysis First, look at Volley's entry, Volley's newRequ ...

Added by netfrugal on Fri, 24 May 2019 03:05:17 +0300