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Pebble Smartwatch from Pebble Technology

         The world is full of gadget particularly smartphones and we are moving towards our next generation in technology. smartphones are making our life easy to go. now with new and innovative smartwatch Pebble, life is going to be even more easier. Pebble is a smartwatch from Pebble Technology which was funded… Read More »

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Java JConsole – Local Process List Empty – Solved

JConsole or  Java Monitoring and Management Console Open command prompt Execute the command echo %TMP% Now you will get a path to a folder where temporary files are stored. E.g. C:\Users\Username\AppData\Local\Temp Go to that folder Remove the folder named hsperfdata_USERNAME Restart JConsole application and now you will have the list of currently running Java processes in the local process… Read More »

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upstream timed out (110: Connection timed out) error in Nginx

          I faced this issue in Nginx(when using as reverse proxy agent) where I send a request to the web server and the web server takes quite sometime to process the request(may be 3 to 5 minutes) and send the response as file. I my case, the connection to the server… Read More »

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Linked List in C – Split a Linked List into 2 Separate Linked List

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C – Split a Linked List into 2 Separate Linked List : Input:         Head Pointer: head         Original linked list: node 1->node 2->node 3->node 4->node 5->node 6->node 7 Output:… Read More »

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Elasticsearch Java API – Get Field List for a given Index and Type

The following is sample Java program to get the list of fields for a given index and type name in an Elasticsearch instance. Sample Program: package com.report.test; import java.io.IOException; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Set; import org.elasticsearch.client.Client; import org.elasticsearch.client.transport.TransportClient; import org.elasticsearch.cluster.ClusterState; import org.elasticsearch.cluster.metadata.IndexMetaData; import org.elasticsearch.cluster.metadata.MappingMetaData; import org.elasticsearch.common.settings.ImmutableSettings; import org.elasticsearch.common.settings.Settings; import org.elasticsearch.common.transport.InetSocketTransportAddress; public class SampleProgram{ public… Read More »

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