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Apple’s iOS vs Google’s Android Operating System

      There are a very few mobile OS of which iOS and Android are hot in the current market trend. There is a huge battle between these two operating system to become the best among the mobile OS. Let us compare iOS and Android based on the factors like UI/UX, performance, applications etc.… Read More »

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Setup Quartz Scheduler with MYSQL Database

This article details on how to setup Quartz server with MYSQL database. Setup MYSQL Download the latest version of Quartz distribution from the website http://quartz-scheduler.org/downloads and extract it. The distribution will be in TAR format. Install MYSQL and go to command line interface to create the required database and tables. Create a database named quartz. Now use… Read More »

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Elasticsearch – Apply Nested Filter on Nested (Inner) Aggregation

           The following query can be used to apply filter on nested (inner) aggregation. In our example aggregationName2 is the nested aggregation. The filter (bold content) in the input JSON will be applied only for the aggregation aggregationName2. aggregationName2 takes in the output of aggregationName1, then applies the filter which is then processed by aggregationName2… Read More »

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Elasticsearch Geo-Shape Slow Indexing Performance – Solved

           We were using Hosted Elasticsearch 1.4.4 to index geo-shape data with the following field mapping. { "geoShapeField": {     "type": "geo_shape",        "tree": "quadtree",        "tree_levels": 26 //Or use precision: "1m",        "distance_error_pct": 0.025 // Optional, 0.025 is default } }      … Read More »

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Linked List in C- Delete Last Node in Linked List

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C- Delete Last Node in Linked List : Source Code : #include<stdio.h> struct node *head=NULL; //Declared as global variable since it is accessed by multiple functions struct node { //Structure named node to store… Read More »

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