Programming VIP

Author: Li XinIn recent ten years, Internet technology has developed rapidly. More and more industries have joined the matrix of the Internet, which has brought more rich and complex business scenario requirements, which is undoubtedly a great challenge to the performance of data application system.Relational database mysql is the most widely u ...

Time attribute Flink supports three time concepts related to stream data processing: Processing Time, Event Time and Ingestion Time. Blink SQL only supports two time types: Event Time and Processing Time: Event Time: Event Time (usually the most original creation time of data). Event Time must be the data provided in the data store.Process ...

1. Picture storage scheme 1.1 INTRODUCTION In the actual development, we will have many servers dealing with different functions. For example: Application server: responsible for deploying our applications Database server: running our database File server: the server responsible for storing files uploaded by users The purpose of sub ser ...

Configuration of nginx & HTTPS 01. Understanding of Https HTTP (HyperText Transfer Protocol) is an application layer protocol for distributed, collaborative and hypermedia information systems. In short, it is a method of publishing and receiving HTML pages, which is used to transfer information between Web browsers and Web servers. H ...

1, Reference link 🎨 Alibaba open source mirror - OPSX mirror - Alibaba cloud developer community (aliyun.com) apache image - apache download address - apache installation tutorial - Alibaba open source image station (aliyun.com) Apache (Web server software) Baidu Encyclopedia (baidu.com) Compile and install_ Apache Chinese documentatio ...

Introduction: This article is translated from Altinity's series of technical articles on ClickHouse. ClickHouse, an open source analysis engine for online analytical processing (OLAP), is widely used by companies at home and abroad because of its excellent query performance, PB level data scale and simple architecture. This series of technical ...

preface Recently, in the communication with fans, it was said that the white whoring server has not been used yet. Here I provide a way to use it: She inspired me by the concept of pseudo distributed Hadoop deployment. Because my private work often needs to use Hadoop cluster, local startup has been criticized for slow startup speed, t ...

Introduction:   This article demonstrates how to write JUnit 5 test cases and the process of running JUnit 5 test cases in Maven project. For image download, domain name resolution and time synchronization, please click   Alibaba open source mirror station 1, Write JUnit 5 test cases If you are a java developer, you should be no ...

The 3rd 83 line code challenge in 2021 hosted by Alibaba cloud has ended. More than 20000 people watched, nearly 4000 people participated, and 85 teams came in groups. The competition adopts game breakthrough playing method, integrating meta universe science fiction and script killing elements, so that a group of developers have a lot of fun.Th ...

ReasonIn projects, we sometimes encounter problems related to uploading files. Generally, the back end provides an interface, and then when we upload, the back end sends it to Alibaba OSS or other service providers for object storage, and then saves the final url or returns it to the front end. In fact, this method may not be a big problem in b ...