EraCode practice

R practice challenges

Public R challenges shared by the EraCode community. These pages are teasers — skill maintenance starts when you attempt the full problem inside EraCode.

Lifecycle: deterministic package initialization with .onLoad

advancedMulti-PartR

Practice R package lifecycle/initialization by wiring a one-time setup hook correctly and reasoning about when it runs.

Config Snapshot: Read an Env Var with a Safe Default

advancedMulti-PartR

Practice a small but nuanced environment/config pattern in R: reliably reading a configuration value from an environment variable while providing a deterministic default.

Other technologies

All challengesCDjangoDjango REST FrameworkDockerFlaskLIBORNext.jsSequelizeSushiswapThird-party APIsTypeScript

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