Category:Cloud Computing

  • Html Css front-end knowledge summary

    Time:2022-12-1

    Html Css related Single-line centered multi-line left layout Can be achieved using display: inline-block <! — html structure –> <div class=’container’> <div class=’list’> <div class=’item’></div> <div class=’item’></div> <div class=’item’></div> <div class=’item’></div> <div class=’item’></div> <div class=’item’></div> <div class=’item’></div> <div class=’item’></div> </div> </div> <! — Style –> .container { padding: 10px; width: 600px; text-align: center; border: 1px […]

  • VMware vSphere with Tanzu 8.0 New Features

    Time:2022-12-1

    Workload Management Configuration Monitoring Users can track the activation, deactivation, and upgrade status of Supervisors in detail when creating workloads. After supervisor activation, deactivation or upgrade is initiated, the supervisor will try to reach the desired state by achieving various conditions associated with different components of the supervisor such as control plane virtual machines. It […]

  • (6) FlinkSQL writes kafka data to mysql method 1

    Time:2022-12-1

    The installation and configuration of zookeeper and kafka will not be expanded here (1) first, zookeeper and kafka need to be started(2) Define a kafka producer package com.producers; import com.alibaba.fastjson.JSONObject;import com.pojo.Event;import com.pojo.WaterSensor;import org.apache.kafka.clients.producer.KafkaProducer;import org.apache.kafka.clients.producer.ProducerRecord;import org.apache.kafka.clients.producer.RecordMetadata;import org.apache.kafka.common.serialization.StringSerializer; import java.util.Properties;import java.util.Random; /** Created by lj on 2022-07-09. */ public class Kafaka_Producer { public final static String bootstrapServers […]

  • APISpace business details query API

    Time:2022-12-1

    APISpaceofBusiness details query API, supports inputting any one of the company’s full name/registration number/social unified credit code, and obtains more than 60 full-dimensional information contained in the business registration of the enterprise. The information includes: enterprise type, registered capital, historical name, industrial and commercial address, registration number, date of establishment, business scope, legal representative of […]

  • NestOS based on openEuler 22.09 is released!

    Time:2022-12-1

    In September 2022, with the joint efforts of Kylin Software and Euler open source community developers, NestOS based on openEuler version 22.09 will be released! You can get the image on NestOS official website (nestos.openeuler.org). NestOS is a cloud base operating system incubated in the Euler open source community. It integrates rpm-ostree support, ignition configuration […]

  • 2. “Illustrated HTTP” – Historical Development of HTTP Protocol (Key Points)

    Time:2022-12-1

    tjhttp 2. “Illustrated HTTP” – Historical Development of HTTP Protocol (Key Points) knowledge points Structure of request and response messages. The evolution history of the HTTP protocol, introducing the major feature changes of different HTTP versions from scratch. (emphasis) Discussion of several common problems of HTTP. 2.0 Introduction This chapter is basically a personal expansion, […]

  • Play with hybrid encryption

    Time:2022-12-1

    Data encryption is a technology with a long history. It refers to converting plaintext into ciphertext through encryption algorithm and encryption key, and decryption is to restore ciphertext to plaintext through decryption algorithm and decryption key. At its core is cryptography. Data encryption remains one of the most reliable ways for computer systems to protect […]

  • Remember a tornado QPS optimization

    Time:2022-12-1

    This article was first published on my personal blog:Pylixm’Wiki To meet the needs of the project, we used tornado to develop an api system. After the system was developed, the qps of the 8-core 16G virtual machine was only 200+ after the pressure test. It is an order of magnitude worse than the QPS we […]

  • R language uses logistic regression Logistic, one-way analysis of variance anova and data visualization classification iris iris data set

    Time:2022-12-1

    Full text link:http://tecdat.cn/?p=27650  Summary This article will explore the relationship between the three variables presented in the Fisher and Anderson Iris dataset, specifically the dependent variables at the virginica and versicolor levelsspeciesFor predictorspetal lengthandpetal widthlogistic regression. Both one-way ANOVA and data visualization identified that one factor level of the dependent variable, I. setosa, was easily […]

  • Research on the realization of circular progress bar with linear gradient

    Time:2022-11-30

    This article mainly introduces the NutUI Vue3-basedcircleProgressThe design and implementation principle of the component is a circular progress bar component, which is used to display the current progress of the operation, and supports modification progress and gradient colors. The circular progress bar is a very commonly used component, especially on pages that manage background data […]

  • Rancher Dashboard Product Optimization for Massive Resource Management

    Time:2022-11-30

    Author: Liu Yan, SUSE UI Engineer introduce Rancher Dashboard UI, aka Cluster Explorer, is a “stateless” client for the Rancher API built with Vue.js and NuxtJS. It is typically built and packaged as static HTML/CSS/JS files that are bundled into the Rancher distribution. Logged-in users can manage all authorized k8s cluster resources, and can edit […]

  • (7) FlinkSQL writes kafka data to mysql method 2

    Time:2022-11-30

    public static void main(String[] args) throws Exception { StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(1); StreamTableEnvironment tableEnv = StreamTableEnvironment.create(env); tableEnv.executeSql(“CREATE TABLE WaterSensor (” + “id STRING,” + “ts BIGINT,” + “vc BIGINT,” + // “`pt` TIMESTAMP(3),”+ // “WATERMARK FOR pt AS pt – INTERVAL ’10’ SECOND” + “pt as PROCTIME() ” + “) WITH (” + “‘connector’ […]