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Technologies Used In Developing Applications Using Apache Accumulo I was recently talking about how people train themselves for Big Data projects. The technology stack is fairly daunting. Below are the technologies that I find helpful. Ill add the list as I remember more: Systems Administration Technologies System administrators are absolutely essential to successful projects. They ensure that software is installed and configured correctly. More importantly, they ensure repeatable builds and deployments. Oh, and they really need to understand the widely varying failure modes. Read the excellently written Aphyr blog to learn about some of them. OpenStack - The technology consists of a series of interrelated projects that control pools of processing, storage, and networking resources throughout a datacenter, all managed through a dashboard that gives administrators control while empowering its users to provision resources through a web interface. Puppet - Puppet Open S...

Toggle Element visibility using a little piece of code Jquery Toggle You might wanted to Show/Hide  element based on the visibility of the element. If the visibility is block   ,  hide the element and if visibility is none ,  show the element. You can do this without the  if statement. You can do this in just a line of code. For example : if we want to toggle the visibility of a div  with the id sh . $("#sh").toggle(); If the div   #sh  is hidden the code above code will make it visible and if it is visible  the code will hide  the div #sh . download  file  now

Traffic pattern based performance comparison of two reactive routing protocols for Ad hoc networks using NS2 Ad hoc networks are characterized by wireless connectivity, continuous changing topology, distributed operations and ease of deployment. Routing in Ad hoc networks is a challenge due to mobility and thus is a current area of research. We compare two reactive routing protocols by considering multiple performance metrics to bring out their relative merits. Both DSR and AODV share similar on demand behavior, but the protocols internal mechanism leads to significant performance differences. We have analyzed the performance of protocols by varying network load, mobility and type of traffic (CBR, TCP). A detailed simulation has been done using NS2. We consider packet delivery fraction, normalized routing load, average delay, routing overhead, and packet loss as metrics for performance analysis of these protocols. The TCL code is available here : Click here download  file  now

Top 7 Home Automation Tips Using Fitbit Fitness Tracker One of the coolest innovations that have happened over the past few years has been the arrival and surging popularity of the Fitbit fitness tracker . This handy gadget has helped literally millions of people to get healthy and stay healthy with a simple smart watch. However, there�s so much more that you can do to automate your life with your Fitbit tracker. You may think the usefulness of the tracker stops with what�s on your wrist, but it can help out in so many more ways. Read on to learn Top Seven Fitbit Fitness Tracker Tips to Make Home Automation Easy . download  file  now