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iMotion – Haptic Feedback Virtual Reality Motion Controller

      We are now in the generation of virtual reality. Virtual reality displays and Virtual reality controllers are becoming very popular. Some of the examples are GlassUp – An augmented reality eye wear, MYO – YOUR MUSCLE CAN TALK – HAND BASED GESTURE CONTROL, Oculus Rift – nxtGen Virtual Reality Headset and many more.       iMotion,… Read More »

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Import Data from Mongo DB to Elasticsearch using Elasticsearch River

           Importing data from Mongo DB to Elasticsearch requires Mongo DB to have replica set enabled. Once the replica set is enabled, Mongo DB populates the oplog (operation log) as and when we add documents to the collection in the database (except database named local, which is used by Mongo DB to… Read More »

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MYSQL on Linux(Ubuntu) keeps crashing – Solution is to create Swap Space

          There are many internet users who face this problem where the MYSQL on their server getting crashed frequently. I personally faced this problem in my WordPress blog in my VPS. This problem occurs due to lack of memory(RAM) space. i.e. when your RAM usage hits the maximum. This problem can… Read More »

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Linked List in C- Reversing Every N Nodes of Linked List using Recursion

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C- Reversing Every N Nodes of Linked List using Recursion : Input: 1->2->3->4->5->6->7->8 Output: 3->2->1->6->5->4->8->7 Source Code : #include<stdio.h> struct node { int data; struct node *next; }; struct node* reverse(struct node **head,int N) { struct… Read More »

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javax.net.ssl.SSLProtocolException: handshake alert: unrecognized_name – Solved

The exception javax.net.ssl.SSLProtocolException: handshake alert:  unrecognized_name javax.net.ssl.SSLProtocolException: handshake alert:  unrecognized_name is actually a bug in the Java v1.7. However we wont get this exception in Java v1.6. To solve this issue, you can either roll back the Java version to 1.6 or add the following code to your start of the program. System.setProperty(“jsse.enableSNIExtension”, “false”);

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