Results for “Encoding & structured values”
Small, practical examples. Search by task or narrow things down below.
Constrain a calendar date input
HTML: Use ISO date values for the date control’s minimum and maximum.
HTML✓ Tested
Convert Unix time to a timestamp
Interpret a seconds-since-epoch value as UTC.
unixepoch✓ Tested
Copy an array independently
Bash Scripts: A new array assignment copies element values rather than creating a shared reference.
Bash Scripts✓ 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 reusable one-to-many lookup
C#: ToLookup groups values by key and returns an empty sequence for an unknown key.
C#✓ Tested
Create a STRICT table
Require values compatible with declared column types.
STRICT✓ Tested
Distinguish row count from non-null value count
SQL: COUNT(*) includes every row while COUNT(column) skips NULL values.
SQL✓ Tested
Distinguish row count from non-null value count
SQL Server: COUNT(*) includes every row while COUNT(column) skips NULL values.
SQL Server✓ Tested
Distinguish row count from non-null value count
Postgres: COUNT(*) includes every row while COUNT(column) skips NULL values.
Postgres✓ Tested