EB2127 questions

• S4 error: methods can be defined, but the generic function is implicit, and cannot be changed
• What is the fastest way to check a pandas dataframe for elements?
• Regex: allow comma-separated strings, including characters and non-characters
• How can I use python multiprocessing with generators?
• Adding tuple elements, parsed into pandas DataFrame
• How to fix the following warning for CRAN packages regarding packages which restrict the use of FOSS?
• How to pull messages from a subscription with GCP Pub/Sub?
• Populating a “count matrix” with combinations of pandas DataFrame rows
• How to find the substring if the substring has random characters replaced?
• How to add single-quotes to strings in Golang?

EB2127 answers