Category: Miscellaneous
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50 Amazing countries Indians can travel without visa
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Indian passport is ranked 76th in the World but still you can make the most out of it. Believe it or not, you can use just your indian passport (valid atleast for 6 months) to travel to these amazing countries without applying for a visa. Some countries require pre-registration for e-visa. Please be patient, as…
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Running Word2vec in Nvidia GPU
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Word2vec is a amazing tool which automatically picks up the relationships with words or other way of saying is similarities. Unfortunately there is only CPU implementation available with Google for now. I was running GoogleNews-2012 (1GB) text corpus using the tool and it took about 12 hours to generate vectors. Running the same supporting Nvidia…
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Face detection of grayscale images in OpenCV
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If you have grayscale images given to you in CSV format (from kaggle), it is very easy to dump the images into numpy and then directly pass the numpy array to openCV to detect faces, eye, mouth or whatever using the haar cascades. The tutorial in opencv website http://docs.opencv.org/trunk/doc/py_tutorials/py_objdetect/py_face_detection/py_face_detection.html only shows the example of color images…
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Disabling ipv6 fixes slow and unstable Internet in Ubuntu
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I have installed ubuntu14 numerous times, i have seen that the internet is slow compared to windows or mac osx. I decided to take a deeper look into it. The speed is much better in command line terminal or through ethernet, but very slow in wifi and mobile broadband. The wifi is totally unstable with…
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Tutorial: Pybrain Neural network for classifying Olivetti faces
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After experimenting various machine learning algorithms like KNN, Support vector machines (SVM), i decided to take a look on neural networks. The Feed forward neural network really captured my interest. I really dont like reading too many papers and mathematics, so just decided to play around with the neural network to see how it works…
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Tutorial: Titanic dataset machine learning for Kaggle
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Kaggle has a a very exciting competition for machine learning enthusiasts. They will give you titanic csv data and your model is supposed to predict who survived or not. Predict the values on the test set they give you and upload it to see your rank among others. The prediction accuracy of about 80% is…
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Hitlers bunker location in Berlin
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If you happen to visit Berlin, the hitlers bunker location is not far away just 2 mins walk from the Brandenburger Gate near the holocaust memorial. These days this place is just a car park for apartments. The exact GPS coordinates are 52.5125°N 13.3815°E. Enter these coordinates in Google maps and you will find the…
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Residence Permit (RP) vs Permanent Residency (PR)
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Many people often quite confused understanding the difference between Residence permit, Permanent Residency often called “PR” or “Green card” and Citizenship. Here is a proper explanation. Before we start, “Naturalisation” means one needs to live, being a resident for certain number of years, in an alien country before applying for citizenship. For example, one needs…
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Indian passport ranks no.74 in the world for visa free travel
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According to the Global ranking list compiled by Henley&Partners, on the best passports in the world for visa free travel, Indian passport ranks no.74 in the list (last 51 countries which are the worst). Indians can currently travel to 52 countries without applying for visa such as Hong Kong, Caribbean countries such as St Kitts, Dominica,…
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South city shopping mall in Vienna
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The south city shopping mall is the biggest Shopping mall in Vienna. you Can easily reach the mall by tram (Baden line) from Karlsplatz or Opera to the stop Vosendorf SCP. Remember you have to buy 2€ ticket extra for the train besot the metro ticket. About 2 hours to look around.