iamitshri

$ git revert -m 1 mergeCommitNumber

https://www.christianengvall.se/undo-pushed-merge-git/

https://education.github.com/git-cheat-sheet-education.pdf

iamitshri

Elastic search use case analysis

• Popularaly known as ELK stack ( Elastic search, Logstash, Kibana)

• Who uses ELK?

  • To be Added

• Cloud Providers (Managed Infrastruture for Search implementations)

  • Azure:https://azuremarketplace.microsoft.com/en-us/marketplace/apps/elastic.elasticsearch?tab=Reviews

• Google Cloud: https://console.cloud.google.com/marketplace/details/click-to-deploy-images/elasticsearch

iamitshri

int page = 0;
Page<Entity> pages = repo.findAll(PageRequest.of(page, 1000));
while(!pages.isLast()) {
    List<Entity> content = pages.getContent();
    // Do your thing with the content
    Pageable pageable =   pages.nextPageable();
    pages = submissionRepo.findAll(pageable);
    log.info("page number {} size:{}, offset:{}",pageable.getPageNumber(),pageable.getPageSize(),pageable.getOffset());
}

iamitshri

spring.data.elasticsearch.cluster-nodes=localhost:9300
spring.data.elasticsearch.properties.cluster.name=elasticsearch 
spring.data.elasticsearch.properties.client.transport.sniff=true
spring.data.elasticsearch.properties.client.transport.ignore_cluster_name=true
spring.data.elasticsearch.properties.client.transport.ping_timeout=5s
spring.data.elasticsearch.properties.client.transport.nodes_sampler_interval=5s

iamitshri

input {
  jdbc {
    jdbc_driver_library => "/Users/Path/dev-apps/logstash-6.5.4/mysql-java-connector/mysql-connector-java-5.1.46.jar"
    jdbc_driver_class => "com.mysql.jdbc.Driver"
    jdbc_connection_string => "jdbc:mysql://localhost:3306/elastic-search-test"
    schedule => "* * * * *"
    jdbc_user => "root"
    jdbc_password => "mysqlN01"
    statement => "SELECT * from person where id > :sql_last_value"
    jdbc_paging_enabled => "true"

iamitshri

let regex;

/* matching a specific string */
regex = /hello/; // looks for the string between the forward slashes (case-sensitive)... matches "hello", "hello123", "123hello123", "123hello"; doesn't match for "hell0", "Hello" 
regex = /hello/i; // looks for the string between the forward slashes (case-insensitive)... matches "hello", "HelLo", "123HelLO"
regex = /hello/g; // looks for multiple occurrences of string between the forward slashes...

/* wildcards */
regex = /h.llo/; // the "." matches any one character other than a new line character... matches "hello", "hallo" but not "h\nllo"
regex = /h.*llo/; // the "*" matches any character(s) zero or more times... matches "hello", "heeeeeello", "hllo", "hwarwareallo"

iamitshri

<h1>
  This link helps to quickly create a sample spring boot project
</h1>


https://start.spring.io/starter.zip?name=autoTestExperiment&groupId=edu.wgu.ema&artifactId=autoTestExperiment&version=0.0.1-SNAPSHOT&description=Demo+project+for+Spring+Boot&packageName=edu.wgu.ema.katas&type=maven-project&packaging=jar&javaVersion=1.8&language=java&bootVersion=1.5.19.RELEASE&dependencies=lombok&dependencies=configuration-processor&dependencies=devtools&dependencies=mysql&dependencies=data-jpa&dependencies=web

------- ----------

iamitshri

package com.amit;

import org.apache.commons.lang3.time.StopWatch;
import lombok.extern.slf4j.Slf4j;

/**
 * Hello world!
 *
 */

iamitshri

    private void getFile() throws IOException {
        PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
        List<Resource> files = Arrays.asList(resolver.getResources("classpath*:folder-name"));
        for(Resource file : files) {
            for(File file1 : file.getFile().listFiles()) {
                 
            }
        }

iamitshri

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

	

	<property name="logPattern"
		value="%d %-5level %logger{35} - %msg%n" />
	<property name="logEncoding" value="UTF-8" />
	<property name="logDirectory" value="logs" />