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Append/Write CRON Output to Log File in Linux (Unix)

Append CRON Output to Log :            The following syntax can be used to append the output of the shell scripts to the given file. Syntax : CRON_EXPRESSION COMMAND >> /OUTPUT_LOG_FILE_PATH/LOF_FILE 2>&1 Example :            The following example will append the output of the shell script test.sh to cron_output.log in the… Read More »

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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 »

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Pointers in C Programming – Basics

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Pointers in C Programming – Basics : Source Code : #include<stdio.h> int main() { int a=5; int *ptr; //Declaring a integer pointer variable which can point to a address of integer ptr=&a; //Pointer variable ptr will now… Read More »

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Virtuix Omni – Advanced Virtual Reality Platform – Includes Natural Movements

          The digital world has now started moving towards the virtual reality computing. The computer and other digital devices are now very much interactive and has filled the gap between the humans and the electronic devices. there are many virtual reality electronic devices in the line up which includes Oculus Rift, Google… Read More »

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Error – “Plugin execution not covered by lifecycle configuration” for Spring Data Maven Builds – Eclipse/SSTS/GGTS Maven Proxy Issue when ...

You may have encountered this error when using MAVEN in corporate environments which is due to the proxy issue.  You may even get this error even after configuring proxy setting in Eclipse- > Window -> Preferences -> General -> Network Connections. The problem is that MAVEN wont use this PROXY setting for downloading the dependency… Read More »

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