Results for “Containers & compound values”
Small, practical examples. Search by task or narrow things down below.
Copy an array independently
Bash Scripts: A new array assignment copies element values rather than creating a shared reference.
Bash Scripts✓ Tested
Copy an artifact from an earlier build stage
Docker / Compose: A named stage can produce an artifact without copying its other files.
Docker / Compose✓ Tested
Copy nested structured data independently
JavaScript: structuredClone creates an independent copy of supported structured values.
JavaScript✓ Tested
Copy nested structured data independently
TypeScript: structuredClone creates an independent copy of supported structured values.
TypeScript✓ Tested
Count day boundaries between dates
Compare date values with DATEDIFF.
DATEDIFF✓ Tested
Count days between calendar dates
PowerShell: Parse an unambiguous format before subtracting date values.
PowerShell✓ Tested
Count items by group
Group repeated values and report each count.
Group-Object✓ Tested
Count occurrences in a sorted sequence
C++: equal_range finds the half-open interval containing values equal to the key.
C++✓ Tested
Create a network marked for internal connectivity
Docker / Compose: The internal option disables normal external routing for that network.
Docker / Compose✓ Tested
Create a reusable one-to-many lookup
C#: ToLookup groups values by key and returns an empty sequence for an unknown key.
C#✓ Tested
Create a runtime file during the build
Docker / Compose: RUN executes during the build while CMD executes when a container starts.
Docker / Compose✓ Tested
Create a small file at build time
Docker / Compose: Create a small file at build time with a complete introductory Dockerfile.
Docker / Compose✓ Tested