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ASUS Transformer AiO – Desktop & Tablet

         Desktops, laptops, mobile, tablet are used for everyday computing. It is a part of daily life. We even own desktop, tablet and laptop which we use for browsing, playing, social networking, watching movies and the list goes on. But we wont be able to use all the three since any one… Read More »

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ElasticTab – Elasticsearch to Excel Report

GitHub Page : ElasticTab – Elasticsearch to Excel Report ( https://github.com/raghavendar-ts/ElasticTab-Elasticsearch-to-Excel-Report ) 1. Introduction There are a lot of companies(small scale to large scale companies) who use Elasticsearch to store massive amount of to data.Most of them find it hard to generate simple reports from Elasticsearch to get information out of it. So this Java application can be… Read More »

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Linked List in C- Reversing a Linked List

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C- Reversing a Linked List : Input: Linked List: one->two->three->four head pointer points to first node “one” Output: Linked List: four->three->two->one head pointer points to first node “four” Source Code : #include<stdio.h> //Input: //… Read More »

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Enable CORS to Send Cross Domain Request to Elasticsearch using AJAX

           I faced this issue when I used my web application to send AJAX request to get data from Elasticsearch. The web application was deployed in Apache Tomcat (port 8080 was used). XMLHttpRequest cannot load http://localhost:9200/. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:8080' is therefore not allowed… Read More »

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Logstash – Process Log File Once and Exit/Stop Logstash After Reading Log File Once

            I have a scenario in Logstash where I want to process a log file in a path once in a day. In my case, a new log file will be added to a path which needs to be processed once and it takes roughly around 10 minutes to process… Read More »

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