DominikVogel

Problem

Titles of projects look ugly on homepage when words are too long.

Solution

Add HTML soft-hyphen to the title: Digitalization -> Digital­ization.

Adaptation

DominikVogel

library(tidyverse)

func <- function(x){4.25*x*x + 20.45*x + 591.25}

ggplot(data.frame(x=c(1, 22)), aes(x=x)) + 
  stat_function(fun=func, size = 1.5) +
  geom_hline(yintercept = 2980, color = "red", size = 2) +
  scale_x_continuous(name = "Jahr",
                     breaks = c(1:22), 
                     labels = c("2009",

DominikVogel

I found it rather difficult to set up a AWS EC2 server to use fast.ai in a jupyter notebook on it. Especially, since I use a Windows 10 computer (with permanent VPN). I therefore documented the way I used to make it happen. Most of it is just a combination of the fast.ai tutorial, AWS tutorials, and the very helpful tutorial by Baligh Mnassri (https://github.com/mnassrib).

Configure and run instance

Follow steps 1 to 5 detailed here: https://course.fast.ai/start_aws

Setup PuTTY

The SSH connection is realized using PuTTY (https://www.putty.org/).

DominikVogel

Using the here R package in Code Ocean

here package: https://cran.r-project.org/web/packages/here/index.html

Challenge: Code is run in code subfolder. here things this is the base folder. Subsequent stuff breaks

Solution: Create empty .here file in root directory using Post-Install Script:

1. Go to Environment -> Post-Install Script -> Edit Post-Install Script
2. Add touch .here in a new lie at the end of the file

DominikVogel

# rtweet tries to automatically detect a token for the Twitter API
# This fails when you run the script from the command line with RScript
# If you have multiple tokens, this script also helps selecting the right token
# Code inspired by https://github.com/samzipper/SkeeterStream/blob/master/TestLookupUsers.R

# Requirements:
# You need to have set up a token with rtweet
# More info: https://rtweet.info/articles/auth.html

# Assumption token is stored at /home/username/