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Raspberry Pi – A credit card sized computer for 25$

              Have you ever heard of a computer which is sized like a floppy disk? Of-course we already have Intel’s NUC, Sapphire’s VS8 etc. But are they really as small like a floppy disk? No, they are not.Here we have such a small computer which is  85.60mm x 56mm x 21mm in size… Read More »

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WiSee – Hand gestures enable through wireless(WiFi) signals

            The digital world has become very much interactive. The way in which we interact with the electronic devices has changed a lot. It has made our lives even better. Below are some of the devices and how we interact with it. Voice command for controlling TV and computers Hand… Read More »

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Linked List in C – Detect/Find Loop

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C – Detect/Find Loop :            We use two pointers current and previous Pseudo Code: 1. Current pointer initially points to first node(head) of the linked list 2. Previous node… Read More »

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Query Elasticsearch Cluster in Filter Section when using Logstash

     This article details about on how to query Elasticsearch from Logstash when processing logs or when using any other inputs. input { file { } #Any other inputs } filter { grok { pattern => "%{NUMBER:attribute1} %{GREEDYDATA:attribute2}" } elasticsearch { hosts => ["HOSTNAME:9200/index_name/type_name"] query => 'field_name.sub_field:%{attribute1}' fields => ["attribute3_elasticsearch", "attribute3_new","attribute4_elasticsearch", "attribute4_new"] #We can… Read More »

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Haptix from Haptix Touch – 3D Hand Gesture Detection Mouse/Trackpad/Touchpad

         Technologies are changing the way we interact with computers and smartphones. From keypads, touchscreens and hand gestures we are able to use the computers and other devices in easy way. Touchscreens revolutionized the use of smartphones. Now the hand gesture detection is getting its way to come in which is another… Read More »

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