olala questions

• What is this field separator (^M)?
• vim: how to replace something only in a column
• Is there no unless in shell script?
• snakemake: how to deal with variable number of output from a rule
• snakemake: is there a way to specify an output directory for each rule?
• How to draw a plot joining points from two measurement times?
• font size confusion in ggplot2
• dist() function in R: vector size limitation
• Does C have hash/dictionary data structure?
• substitute in r together with anova

olala answers