4. How I implemented googleSignIn in R (shiny) and lived

   Known user identity when building shiny apps can sometimes come really handy. While you can implement your own user login, for instance using cookies, you can also use some of the services which authenticate a user for you, such as Google. This way, you don't have to handle cookies or …

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5. How to authenticate using OAuth2 through R

   If you need to have authentication of users in your application, you could invent the proverbial warm water by implementing register, login, logout and other features. Or, you could outsource part of that functionality to well established establishments such as Google, Facebook, Github and other. In addition to knowing the …

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6. How to combine plots and table made with ggplot (or grid graphics) in R

   In the last few years, a number of options of how to combine grid graphics (incl. ggplot2) have emerged. If you can't remember all functions to do this, this post may serve as a reference guide, but it's mostly for me because I keep forgetting the functionalities provided by cowplot …

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7. Point arrows to specific parts of the data

   tl;dr: Point arrows at your line at defined datum points.

   Sometimes to really enhance your picture you need to point at some stuff. Here is a script which will plot vertical lines to show events in your datum plot.

   library(ggplot2)
   
   # This script will draw points to parts of …

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8. How to build a static website using Pelican

   It's fairly easy to build a static website. Static websites differ from dynamic in that they do not communicate with a database of any sorts. This makes it easier and especially cheaper to deploy to almost any setup which runs at least rudimentary serving capabilities.

   There are many options for …

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