HAppS Tutorial #haskell

🕧︎ - 2008-12-15

There is a HAppS Tutorial online (- HAppS is a web-framework for Haskell).

If you thought Catalyst was a dependency hellish kind of thing, check out the tutorial installation instructions for HAppS, which even ends with:

"Every so often, when starting via runInGhci, you may get an error message like:

*Main> runInGhci happs tutorial running in ghci. exit :q ghci completely and reenter ghci, before restarting. *** Exception: _local/happs-tutorial_state/events-0000000006: openFile: resource busy (file is locked)

Don't worry about it. Every time I get this error I simply run runInGhci again, and the second time it always works. ".


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