Results for “Ordering & set operations”
Small, practical examples. Search by task or narrow things down below.
Find values missing from another collection
C#: Except removes duplicates as it calculates the set difference.
C#✓ Tested
Force a disposable container to stop
Docker / Compose: kill sends SIGKILL by default without a graceful shutdown interval.
Docker / Compose✓ Tested
Format a date without locale ambiguity
Parse an ISO date and format it consistently.
date✓ Tested
Format a known UTC timestamp
Linux Commands: Use GNU date -u and an explicit input offset to avoid local timezone dependence.
Linux Commands✓ Tested
Format decimal output
Use fixed and setprecision to print two C++ decimal places.
C++✓ Tested
Generate a sequence of numbers
Create rows without a stored table.
generate_series✓ Tested
Give a function an optional argument
Let callers omit a value while keeping nounset enabled.
optional argument✓ Tested
Give a read-only container temporary storage
Docker / Compose: Give a read-only container temporary storage using a locally available Ubuntu image.
Docker / Compose✓ Tested
Give a read-only service writable scratch space
Docker / Compose: A tmpfs mount provides temporary storage independent of the root filesystem.
Docker / Compose✓ Tested
Give an existing image another tag
Docker / Compose: Tagging adds a reference without copying the image layers.
Docker / Compose✓ Tested
Give an LED pin a constant name
Arduino / C: Use const to name the built-in LED pin and reuse it in output instructions.
Arduino / C✓ Tested
Group mutually exclusive choices
Use the same name for HTML radio buttons and a fieldset legend.
HTML✓ Tested