Results for “du”
Small, practical examples. Search by task or narrow things down below.
Display a number with a fixed decimal width
TypeScript: toFixed returns a formatted string rather than a numeric value.
TypeScript✓ Tested
Distinguish an own property from an inherited one
TypeScript: Object.hasOwn avoids depending on an object’s possibly shadowed hasOwnProperty method.
TypeScript✓ Tested
Divide using a fractional number
TypeScript: Use a floating-point operand to preserve the fractional part of a division.
TypeScript✓ Tested
Drop the fractional part toward zero
TypeScript: Math.trunc differs from floor for negative inputs.
TypeScript✓ Tested
Enforce uniqueness with a dedicated index
SQL: A unique index rejects a duplicate combination independently of query plans.
SQL✓ Tested
Enforce uniqueness with a dedicated index
SQL Server: A unique index rejects a duplicate combination independently of query plans.
SQL Server✓ Tested
Enforce uniqueness with a dedicated index
Postgres: A unique index rejects a duplicate combination independently of query plans.
Postgres✓ Tested
Enforce uniqueness with a dedicated index
SQLite: A unique index rejects a duplicate combination independently of query plans.
SQLite✓ Tested
Enumerate matching files recursively
C#: Sort relative filenames when reproducible traversal output is required.
C#✓ Tested
Explain a calculation with a comment
TypeScript: Keep the code executable while documenting why a fixed input is used.
TypeScript✓ Tested
Extract all regex matches with their groups
TypeScript: matchAll requires a global regular expression and returns an iterator of matches.
TypeScript✓ Tested
Extract text by start and end positions
TypeScript: String slice uses an inclusive start and exclusive end measured in UTF-16 code units.
TypeScript✓ Tested