Spring boot 2.0 integrates elastic search framework to realize high-performance search engine

Source of this article GitHub: smile from cicada https://github.com/cicadasmile/spring-boot-base I. installation and introduction Elasticsearch is a Lucene based search server. It provides a distributed multi-user full-text search engine based on RESTful web interface. Elasticsearch is developed in Java and released as open source under Apache ...

Posted on Thu, 31 Oct 2019 19:05:52 -0400 by Brandon Jaeger

Big data case - MapReduce's reduce end table consolidation (data skew)

Code download address: https://github.com/tazhigang/big-data-github.git I. demand: merge the data in the commodity information table into the order data table according to the commodity id II. Data preparation Data preparation: ==============================order.txt==================================== 1001 01 1 1002 02 2 1003 03 3 1001 0 ...

Posted on Thu, 31 Oct 2019 17:03:26 -0400 by mfallon

Reptile cat eye movie box office

background I don't know what happened recently. I've been confronted with anti climbing means of fonts, starting from Chinese net, shaking sound and so on. I've always wanted to do cat's eye, but I have no energy. I've done two in front, which is not bad. After this, I'm not going to do font a ...

Posted on Thu, 31 Oct 2019 16:32:36 -0400 by livepjam

Rotation matrix of Huawei's 2019 examination paper for recruitment (python version)

Explanation Huawei 2019 online test questions are sorted out as follows for future reference 🔗 GitHub Title Description """ Title Description: --Input an N-order square matrix (0 < N < 10), and output the square matrix after clockwise rotating m (0 < = m < = 10000) times --Rotation ...

Posted on Thu, 31 Oct 2019 13:48:15 -0400 by eightonesix

iOS extraction of image resources in mobile app

Download apple configurator2 and open it. After connecting your phone, select your phone to enter the following interface: Then click add in the upper left corner, select Add app, search for the app you want to obtain resources, here is Douban FM as an example. After that, you will enter this interface: Don't click at this time. Enter ~ ...

Posted on Thu, 31 Oct 2019 09:42:15 -0400 by gavinbsocom

A concise tutorial of golang etcd

Etcd is a key value warehouse with high availability and strong consistency, which has been widely used in many distributed system architectures. This tutorial introduces the main functions and using methods of etcd/clientv3 in golang with some simple examples. If you are not familiar with etcd, please read it first: Easy to understand etcd etc ...

Posted on Thu, 31 Oct 2019 03:07:47 -0400 by Tiger99

Implementing custom JSON Parser from zero

brief introduction Zergling is a embedded point management platform developed by our team. The default data format is as follows: { "page": "dsong|ufm", "resource": "song", // Song "resourceid": 1, // Resource id "target": 111, // Uninterested "targetid": "button", "reason": "", "reason_type": "fixed" } A custom ...

Posted on Wed, 30 Oct 2019 22:27:37 -0400 by kousalya

Some thoughts on efficient string interception by [Go]

Original link: https://blog.thinkeridea.com/... Recently I was in Go Forum Found in String size of 20 character "hollowaykeanho" gives the relevant answers, and I found that the scheme of intercepting strings is not the most ideal method, so I did a series of experiments and obtained the efficient method of intercepting strings. This ...

Posted on Wed, 30 Oct 2019 21:13:34 -0400 by proctk

Microservice architecture case (02): business architecture design, system hierarchical management

Source code: GitHub point here || GitEE point here Update progress (6 sections in total): 01: brief introduction of project technology selection and schematic description of structure 02: business architecture design, system hierarchical management I. business architecture design 1. Basic concept The architecture design of service determines t ...

Posted on Wed, 30 Oct 2019 20:44:08 -0400 by bschaeffer

22. Python rapid development of distributed search engine scrapy intensive lecture - scrapy simulation login and Zhihu inverted character verification code recognition

[Baidu cloud search, search for various materials: http://www.bdyss.cn] [Search online disk, search various materials: http://www.swpan.cn] The first step. First download the inverted character verification code identification program of the great God Download address: https://github.com/muchrooms/... Note: This program depends on the following ...

Posted on Wed, 30 Oct 2019 16:22:58 -0400 by dominant