In this blog entry, I'll attempt to demonstrate, with a simple example, how Flex error handling works and attempt to drive out some of the sources of confusion.

The program must be able to handle exceptions so its current operation -- disrupted due to the exception -- can finish without further problems or errors. Almost all popular programming languages, ...

See how the purrr package’s possibly() function helps you flag errors and keep going when applying a function over multiple objects in R.