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cannot change DocValues type from SORTED to SORTED_SET – DataStax Graph – Titan – Solr

Are you facing these errors??? cannot change docvalues type from sorted_set to sorted for field field_name cannot change docvalues type from sorted to sorted_set for field field_name No worries. We have the solution. First of all we need to know what DocValues means in Solr. You will find a lot of information in the internet. Now… Read More »

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How to install Ruby on Rails (ROR) in Ubuntu Linux

      There are a lot of posts out there to install Ruby on Rails in Linux and Windows which are not clear explained. The reason is that latest version of Ruby and Gem are causing some issues due to which we are not able to use Rails. So I have given simple steps… Read More »

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Spark Error – java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries

           The following error is due to missing winutils binary in the classpath while running Spark application. Winutils is a part of Hadoop ecosystem and is not included in Spark. The actual functionality of your  application may run correctly even after the exception is thrown. But it is better to have it… Read More »

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Cannot delete folder: It is being used by another person or program – How to Solve this Issue

      Many of you might have faced this issue when ejecting pendrive or USB harddrive from the computer. This issue comes when the content of the pendrive pf the external drive being used by the system. For example, consider a word document from a pendrive is opened. Now you will not be able… Read More »

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Linked List in C- Check whether Linked List is Palindrome using Recursion

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C- Check whether Linked List is Palindrome using Recursion : Source Code : #include<stdio.h> struct node { int data; struct node *next; }; void print(struct node **head) { struct node *temp=*head; printf("\nList:"); while(temp!=NULL) {… Read More »

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