Programming VIP

Links to the original text: https://www.jianshu.com/u/8f2987e2f9fb Although scrapy can do a lot of things, it is hard to achieve large-scale distributed applications. A capable person changes the queue scheduling of scrapy, separates the sta ...

Redis is a C/S structure type of service, C refers to the client, S refers to the server, the client and the server can communicate through the network. For redis, redis services need to be installed on the server side. What about the client side? In fact, redis provides API s for many languages. It can ...

There are two serialization strategies adopted by redis by default, one is String's serialization strategy and the other is JDK's serialization strategy. There are several serialization tool classes: GenericToStringSerializer: Any objec ...

Introduction to Redis What is Redis Redis is an open source (BSD licensed) high-performance key-value memory database developed in C that can be used as a database, cache, and messaging middleware.It is a NoSQL (NOT-Only Sql, generically referred to as a non-relational database) database Excellent performance, data in memory, very fast read a ...

When doing back-end development, the first contact is the basic spring. In order to provide bean s by referring to two-party packages, we need to add the corresponding package < context: component-scan base-package= "xxxx" /> or add the annotation @ComponentScan ({"xxx"}). At that time, I thought it was urgly, but I di ...

Operating system: Windows Server 2016, Windows Server 2019 Software environment: type Name Edition   system function TelnetClien       IIS   Enable Asp.net 4.7   Hyper-V   Enabling Management Common Software Winrar 5.0     FireFox 67 CHS     SqlServer 2016 Enabling TCP 1436   Microsoft SQL Server Management Studio 14 ...

The project has a business scenario in which a message notification is sent to the user's public number at a fixed point in time.~ Because the time point is not fixed, there is no timed task. The idea of using redis key failure listener is to save keys. Calculate the time interval between the current an ...

Articles Catalogue Project introduction system architecture Project module Application Technology Points Dubbox Distributed Service Framework Front-end framework Angular JS Spring Security FastDFS Redis Application in Home Page Advertising Application in Search Application in Registration Applicati ...

First, create the spring boot project in Spring Initializr mode and view the main configuration class of spring boot: @SpringBootApplication public class SpringBootAutoconfigurationYuanliApplication { Click into the SpringBoot Application annotation @SpringBootConfiguration @EnableAutoConfiguration pub ...

Intro Last time we implemented a simple Timer-based timing task. Details can be seen This article. However, it may not be appropriate to use this method slowly. Some tasks may only want to execute in a certain period of time. It is not so flexible to use timer only. We hope that we can specify a cron expression like quartz to specify the execu ...