Results for “Serial.available”
Small, practical examples. Search by task or narrow things down below.
Read a field from container metadata
Use an inspect template for stable machine-readable output.
inspect✓ Tested
Read a secret from a mounted file
Docker / Compose: Compose secrets make a file available under /run/secrets.
Docker / Compose✓ Tested
Read an image’s default command
Docker / Compose: Config.Cmd contains the command arguments stored in the image.
Docker / Compose✓ Tested
Read an unpressed button with an internal pull-up
Arduino / C: An open input configured with INPUT_PULLUP reads high.
Arduino / C✓ Tested
Read and total a flash lookup table
Arduino / C: Array size can be computed at compile time even for a flash-resident table.
Arduino / C✓ Tested
Read back a configured digital output
Arduino / C: digitalRead observes the pin’s digital level after an output write.
Arduino / C✓ Tested
Read from a dedicated file descriptor
Bash Scripts: An explicitly opened descriptor keeps the script’s ordinary standard input available.
Bash Scripts✓ Tested
Read output from a completed container
Retrieve the stdout captured by Docker.
logs✓ Tested
Reject an integer with trailing characters
Arduino / C: strtol exposes an end pointer so a parser can require the entire token.
Arduino / C✓ Tested
Reject an unsupported settings version
Arduino / C: A version byte lets firmware fall back when stored settings use another format.
Arduino / C✓ Tested
Reject insertion when a fixed queue is full
Arduino / C: Track a count separately from circular read and write positions.
Arduino / C✓ Tested
Reject one outlier with a median-of-three filter
Arduino / C: Sorting three values leaves the median in the middle.
Arduino / C✓ Tested