Results for “Serial.available”
Small, practical examples. Search by task or narrow things down below.
Keep a counter from wrapping at its maximum
Arduino / C: Increment only when the value is below its limit.
Arduino / C✓ Tested
Keep a value inside an allowed range
Arduino / C: Keep a value inside an allowed range on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Keep exec-form arguments literal
Docker / Compose: JSON exec form does not expand shell environment variables.
Docker / Compose✓ Tested
Keep fixed text in flash memory
Arduino / C: Keep fixed text in flash memory on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Keep scratch data only for the container lifetime
Docker / Compose: Separate tmpfs mounts do not share data between container runs.
Docker / Compose✓ Tested
Label a volume with its purpose
Docker / Compose: Volume labels support explicit ownership and selection.
Docker / Compose✓ Tested
Limit a value to a safe interval
Clamp an integer between chosen endpoints.
constrain✓ Tested
Limit the number of container processes
Docker / Compose: The pids-limit setting caps the container’s process count.
Docker / Compose✓ Tested
List a specific image reference
Docker / Compose: The reference filter narrows repository and tag results.
Docker / Compose✓ Tested
List only containers belonging to a label
Docker / Compose: A label filter selects explicitly tagged resources.
Docker / Compose✓ Tested
List only volumes matching a label
Docker / Compose: A label filter avoids relying on broad name patterns.
Docker / Compose✓ Tested
Load environment variables from a file
Docker / Compose: An env file supplies one KEY=value assignment per line.
Docker / Compose✓ Tested