Legacy code can be riddled with bugs — both ordinary and extraordinary. Quickly finding and conquering them is crucial for upgrades and for less painful maintenance. Join me as I demonstrate fixes and avoidance strategies for some of the most prevalent bugs found in legacy code.


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Great talk with great examples on avoiding the pitfalls of sneaky / strange bugs. By leveraging stricter types and failing fast aka immediate and visible failure you can save yourself and your users a lot of pain. You can tell Anna speaks from a wealth of experience.