Programmer Think

Data Acquisition Section Information Records of Users Browsing Items User Id Commodity Id Commodity types Add time userId itemId itemType time Information Record of User Collections User Id Id of Collection Goods Collection time userId collerctId c ...

kafka cluster monitoring 1. Introduction to Kafka Offset Monitor Install and deploy Kafka Offset Monitor Install and deploy the kafka-mamager tool There are many Kafka cluster monitoring tools, and here we will only describe monitoring for Ka ...

Links to the original text: https://yq.aliyun.com/articles/457356?spm=a2c4e.11163080.searchblog.121.3e542ec1eFQaFJ     Summary Deduplication logic is widely used in business processing, which can be roughly divided into two categories ...

Today let's talk about how Go uses set. This article will cover set and bitset data structures. The Data Structure of Go There are not many built-in data structures in Go. In our work, the two most commonly used data structures are slice and map, namely slicing and mapping. In fact, there are arrays in Go. The bottom of slices is arrays, but be ...

Articles Catalogue Background II. Summary of Contents 2.1 Creation of UDP Communication Server ** DUP uses connectionless sockets** 2.2 16-digit data parsing 2.3 File Creation and Data Storage Analysis Background Recently, in a company's equipment, the built-in DTU sends 16-digit data messages ...

You will use Gensim and Wikipedia to get your first batch of Chinese word vectors and experience the basic process of word vector training. For a detailed explanation of the principle of word vector, please refer to: https://blog.csdn.net/weixin_40547993/article/details/88779922 Word vector train ...

Preface A few days ago, when I was on a business trip, I saw the monitoring panel overhead on the plane. In addition to playing TV plays and advertisements, I also switched to a monitoring system of aircraft navigation from time to time. However, the whole monitoring system feels a little rudimentary, so I made an upgraded version of the monito ...

1. Configuration file [root@es1 ~]# grep '^[a-zA-Z]' /etc/elasticsearch/elasticsearch.yml cluster.name: xing-application node.name: node-1 path.data: /var/lib/elasticsearch path.logs: /var/log/elasticsearch network.host: 0.0.0.0 cluster.initial_master_nodes: ["node-1"] http.cors.enabled: true http.cors.allow-origin: "*" discovery.seed_hosts: ...

Two days ago, in the process of job interview, I was asked about binary tree and algorithm related by a big data company. I didn't learn it well in college. After several years of work, I usually use less, but I can't write it down. Because work always starts with Array, ArrayList, HashMap and HashSet, no matter what type, as if there were no ...

1. CIFAR-10 Cifar-10 is a data set collected by Alex Krizhevsky and Ilya Sutskever, two disciples of Hinton, for universal object recognition. Cifar is an advanced science project institute led by the Canadian government. Hinton, Bengio and his students received a small amount of money from Cifar in 2004 to build neurocomputing and ada ...