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Liverpool is the Most Popular City in the World (relative to use as password per inhabitant)

Liverpool is the Most Popular City in the World (relative to use as password per inhabitant)

A treasure trove of leaked passwords The API of pwnedpasswords.com is quite remarkable. It not only allows you to fetch the results generally obtained by typing in your e-mail into the browser interface and finding out whether or not you've been pwned from the comfort of your shell. It further allows you to very simply check whether a certain password...

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Tired of Waiting for your R Scripts to Finish? Let AWS do the Work, Get Notified by E-Mail

Tired of Waiting for your R Scripts to Finish? Let AWS do the Work, Get Notified by E-Mail

The Setting: Avoiding 4 Weeks of Runtime Recently, I was faced with a problem: I had written a rather complex simulation of a discrete time queueing network, and I needed to let this simulation run with some repetitions of the entire simulation, for some varying different parameter values, with many observations (i.e. ~ 2.000.000 observation). The goal was to verify that a new estimating...

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Don’t Worry: Google Only Checks Your Location Every 10 Minutes

Don’t Worry: Google Only Checks Your Location Every 10 Minutes

I have a personal Google account, complete with gmail, gdrive and everything else. I first opened it up as a sort of spam email for all kinds of logins, but started to it use more and more due to its convenience. I was always slightly worried about the magnitude of data collected by Google on me, yet I never...

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Benchmarking AWS Instances with MNIST classification

Benchmarking AWS Instances with MNIST classification

In a previous post I have shown you how to setup an AWS instance running the newest RStudio, R, Python, Julia and so forth, where the configuration of the instance can be freely chosen. However, there is quite a lot of possibilities of instance configu...

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Setting up a Scalable RStudio Instance in AWS

Setting up a Scalable RStudio Instance in AWS

Assume you want to start to write R code (a very good decision, in my opinion) and you want to be able to write and test code whereever you are. Wouldn’t it be awesome if one could set up an environment that can be used for R coding independent of any device? Where all you need is a decent...

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