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Ubuntu apt-get update problems”Something wicked happened resolving ‘extras.ubuntu.com:http [-5 – No address associated with hostname...

      This error “[-5 – No address associated with hostname]” is very common while installing or updating packages in Ubnutu Linux which is due DNS. To solve this issue change the “Download from” option in Update Manger. Select the option which has IP address its name. Follow the below steps to correct the… Read More »

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Guidelines/Tips for buying Graphic Card/Video Cards/GPU – ALL YOU NEED TO KNOW

        Most of the electronic device or gadget we use has a display screen.  E.g. Desktop, Laptop, Smartphone etc. even the gaming consoles like Xbox and PlayStation require display to play. Watching movies, browsing etc are some of the common task done using such electronic devices. There are some applications or task… Read More »

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The Vamp – ENJOY THE AUDIO FROM ANYWHERE

           The world is full of entertainment. Everyone is using mobile phones, laptops, desktop, televisions etc. In most cases users find it difficult hook up their gadgets to external powerful speaker with wires particularly in the case of laptops and mobile phones  Here we have The vamp, a kick starter project which makes the users connect… Read More »

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Create Vertex If Does Not Exist – Gremlin Query – Titan

Create Vertex If Does Not Exist Return a vertex with given label and property. If the vertex does not exist, a new vertex is created and returned to vertexObject. vertexObject = g.V().hasLabel('VERTEX_LABEL').has('property','value').tryNext().orElseGet{ graph.addVertex(label, 'VERTEX_LABEL', 'property', 'value'); }; Related Links:

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“Active Record::Connection Not Established” Error in Ruby on Rails (ROR) when Connecting to MYSQL Server – Solution

      I got this error “ActiveRecord::ConnectionNotEstablished” while using Ruby on Rails with MYSQL initially. The error means that the Rails framework is not able to connect to MYSQL server. The problem is that the root(MYSQL) user was not able to connect to MYSQL through Rails. So to solve this issue, login as root in… Read More »

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