Technology Source | Computers, Smartphones, Virtual Reality Gadgets

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Elasticsearch Java API – Get Index Type List Mapping

The following is sample Java program to get the list of indices with corresponding type in an Elasticsearch instance. Sample Program: package com.report.test; import java.io.IOException; import java.net.Socket; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import java.util.concurrent.ExecutionException; import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse; import org.elasticsearch.action.admin.indices.mapping.get.GetMappingsRequest; import org.elasticsearch.action.admin.indices.mapping.get.GetMappingsResponse; import org.elasticsearch.client.transport.TransportClient; import org.elasticsearch.cluster.ClusterState; import org.elasticsearch.cluster.metadata.AliasMetaData; import org.elasticsearch.cluster.metadata.IndexMetaData; import… Read More »

Error in VirtualBox – “This kernel requires the following feature not present on the CPU: pae”

You may have come across the following error when running virtual machine(Kali Linux Operating System in my case) in VirtualBox. This kernel requires the following feature not present on the CPU: pae Normally a 32-bit CPU can have access only up to 4GB memory(RAM). But with PAE (Physical Address Extension) enabled… Read More »

Ouya – $100 Budget Gaming Console from OUYA Inc

Digital Gaming is there all over the world. PC and Console gaming cost you a lot. Say we need to invest atleast 400$ for PC gaming and 200$ for consoles like Xbox 360. It pretty costly for casual gamer So here we have a budget Anrdoid OS based console for $99.99… Read More »

WiSee – Hand gestures enable through wireless(WiFi) signals

The digital world has become very much interactive. The way in which we interact with the electronic devices has changed a lot. It has made our lives even better. Below are some of the devices and how we interact with it. Voice command for controlling TV and computers Hand… Read More »

Apple Mac Pro – Complete Redesign of Workstation Desktop

We have been using desktops for a very long time with the physical design of it remainning the same. There were some innovations made to desktops by companies like Alienware, Razerzone with LEDs to make it look better and attractive. But the overall shape has remained same for years. Have you ever… Read More »