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Displair – An Interactive, Screenless and Virtual Display

           The world we live in has become virtual. We are able to feel the technology. In the movies Iron Man, Star Wars we can see a lot technologies particularly interactive displays where the images and videos will be projected in air. They were first just a computer graphics. But its… Read More »

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Neo4j Query Tutorial – MATCH and MERGE

Example 1: Match two nodes and create a relationship between them. MATCH (person1:LABEL{id:'1234'}),(person2:LABEL{id:'5678'}) MERGE (person1)-[r:FRIEND]-(person2) Example 2: Match two nodes and create/update a relation between them. Optionally set properties to the nodes or relationships with ON CREATE SET or ON MATCH SET. Use r+={property:’value’} to add properties or update existing properties. MATCH (user1:USER{id:'123'}),(user2:USER{id:'456'}) MERGE (user1)-[r:FRIEND]-(user2) ON CREATE SET… Read More »

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Graphic Card (Video Card) Vs GPU (Graphics Processing Unit) – ALL YOU NEED TO KNOW

     Graphic card is a computer(Desktop) hardware which is used to improve the visual performance of games and other 3D applications. Note that graphic card is a dedicated hardware which can be installed in desktop computers alone. Graphic card consists of GPU, memory chip(RAM), heat dissipation unit (such as heat sink, fan sink, water… Read More »

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Graphics vs Performance in Gaming – ALL YOU NEED TO KNOW

         Gaming is there all over the world in desktops, laptops, consoles, smartphones etc. We will here focus gaming on computers and laptops. In this post I will explain the quality of the gaming i.e. the graphics/visual effects/ visual experience vs the performance. The graphics refers to the visual quality of the… Read More »

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Gremlin Query Language – Create Vertex/Node and Edge/Relationship

Open Gremlin Console Initial command to work/test with inmemory storage graph = TitanFactory.build().set('storage.backend','inmemory').open() g=graph.traversal(standard()) Example 1: Create Vertex. Label property is optional. The below queries will return vertex references. graph.addVertex('property1','value1','property2','value2'); OR graph.addVertex(label,'USER','property1','value1','property2','value2'); OR graph.addVertex(T.label,'USER','property1','value1','property2','value2'); OR graph.addVertex(T.label,'USER').property('property1','value1').property('property2','value2'); OR graph.addVertex('LABEL_NAME'); Example 2: Create Edge with/without properties using system generated unique ID g.V(123).next().addEdge('EDGE_LABEL',g.V(456).next()) OR g.E(g.V(123).next().addEdge('EDGE_LABEL',g.V(456).next())).property('property1','value1').property('property2','value2') Example 3: Create Edge with/without… Read More »

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