I built a Hadoop 3. X pseudo distributed environment with a free server

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 ...

Added by afam4eva on Fri, 03 Dec 2021 10:38:51 +0200

Run JUnit 5 test cases in Maven project

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 ...

Added by Weirdan on Tue, 30 Nov 2021 20:56:25 +0200

80 minutes, 100 points, 83 lines of code. How do the excellent contestants solve the problem?

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 ...

Added by mwkemo on Mon, 29 Nov 2021 13:42:51 +0200

This article allows you to completely store the front-end direct transmission of OSS with objects. If you don't understand it, read it again! (bushi)

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 ...

Added by fubowl on Sat, 20 Nov 2021 17:13:51 +0200

Alibaba cloud server uses pagoda panel management and project deployment learning

1, Use pagoda panel management When we purchase servers from Alibaba cloud or Tencent cloud, we use the pagoda panel to manage the server. First, we need to install Xshell or SecureCRT. Here, take Xshell 6 as an example, 1.get into Xshell Then click "new" 2.In the pop-up box, enter the public address displayed in the instance of ...

Added by hl_tan on Thu, 11 Nov 2021 21:28:46 +0200

GitOps Delivery Based on KubeVela

Author Dong Tianxin (Fog) Review & proofreading: streams, beads Edit & Typography: Wen Yan KubeVela is a simple, easy-to-use, highly scalable cloud native application management and delivery platform that allows developers to quickly and easily define and deliver modern micro-service applications on Kubernetes without having to know an ...

Added by anthonyw17 on Sat, 06 Nov 2021 22:54:01 +0200

Tmall elf open experimental platform experiment - creating voice skills

Tmall elf open experimental platform - creating voice skills 1, Create voice skills Reference link: Document Center Alibaba cloud - cloud development platform (aliyun.com) 1. Input Tmall elf open platform Homepage Enter the experimental platform. Select "skill application platform". (or input directly) https://iap.aligenie.co ...

Added by bob2006 on Tue, 02 Nov 2021 02:09:46 +0200

Use Hugo and alicloud ECS to build personal stations

The personal station has been using Hexo before. After a long time, on the one hand, it is aesthetic fatigue. On the other hand, there are more and more articles, and the generation is slower and slower under Hexo, so it is considered to migrate to Hugo this weekend On the whole, it is relatively smooth, but most of the websites are built unde ...

Added by webwannabee on Sun, 31 Oct 2021 22:56:58 +0200

Alicloud SMS interface

First of all, I have a rookie. I just studied a few days ago. For wechat payment of small programs, the background is based on ssm. This time, experience the SMS notification after opening and submitting orders. So I took a look at Alibaba cloud. First, open the SMS service. After entering the Alibaba cloud console, search for SMS. You can find ...

Added by Tomcat13 on Sat, 30 Oct 2021 23:12:38 +0300

2021-10-28 SpringBoot+thymeleaf+ajax + alicloud SMS interface for sending mobile phone verification code verification

2021-10-28 SpringBoot+ajax+mysql8 to send mobile phone verification code To realize the above functions, we must first think about what we need. After sorting, we will subdivide the verification code - ① the function of sending verification code ② random 6-digit verification code (several are your favorite). Well, the functional segmentation is ...

Added by epimeth on Thu, 28 Oct 2021 20:41:27 +0300