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“Active Record::Connection Not Established” Error in Ruby on Rails (ROR) when Connecting to MYSQL Server – Solution

      I got this error “ActiveRecord::ConnectionNotEstablished” while using Ruby on Rails with MYSQL initially. The error means that the Rails framework is not able to connect to MYSQL server. The problem is that the root(MYSQL) user was not able to connect to MYSQL through Rails. So to solve this issue, login as root in… Read More »

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Elasticsearch Java API – Get Index List

The following is sample Java program to get the list of indices in an Elasticsearch instance. Sample Program: package com.report.test; import org.elasticsearch.client.Client; import org.elasticsearch.client.transport.TransportClient; import org.elasticsearch.common.settings.ImmutableSettings; import org.elasticsearch.common.settings.Settings; import org.elasticsearch.common.transport.InetSocketTransportAddress; public class SampleProgram{ public static void main(String[] args) { String hostname = "localhost"; String clusterName = "elasticsearch"; Settings settings = ImmutableSettings.settingsBuilder().put("client.transport.sniff", true).put("cluster.name", clusterName).build(); Client esclient… Read More »

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Chrome Elasticsearch Sense Not Working – Solved

Sense plugin has been marked as malware by Google and so the same has been removed from the Chrome Web Store. We have a work around to install Kibana which has Sense builtin. But If you do not want to break your head, we have an option to install Sense plugin by enabling Developer mode in Extensions.… Read More »

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Octa-Core Processor – Real vs Illusive Octa-Core Processor – ALL YOU NEED TO KNOW

             Smartphones are one of the great gadget that is used in daily life. It almost replaces desktops and laptops for doing our day to day activities in terms of digital world. Some of the daily task which we do with smartphones are E-mail, chat, browsing, downloading applications, watching videos,… Read More »

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Elasticsearch and Logstash – General Guide Links

Web Application for Elasticsearch : ElasticTab – Elasticsearch to Excel Report (Web Application) Elasticsearch Plugin: Elasticsearch Plugin To Generate (Save and E-Mail) Excel Reports Elasticsearch: Execute Multiple Search Query in Elasticsearch Monitor Elasticsearch Servers with Shell Script – E-Mail Notification Execute Raw Elasticsearch Query using Transport Client – Java API Elasticsearch – Apply Nested Filter on… Read More »

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