Results for “valid”
Small, practical examples. Search by task or narrow things down below.
Count days between calendar dates
PowerShell: Parse an unambiguous format before subtracting date values.
PowerShell✓ Tested
Count Unicode code points
Java: Use codePointCount when supplementary characters should count as one rather than two UTF-16 units.
Java✓ Tested
Detect NaN without converting the input
JavaScript: Number.isNaN tests the special numeric value instead of applying string-to-number conversion.
JavaScript✓ Tested
Detect NaN without converting the input
TypeScript: Number.isNaN tests the special numeric value instead of applying string-to-number conversion.
TypeScript✓ Tested
Dispatch values with wildcard patterns
PowerShell: Switch -Wildcard interprets shell-style matching patterns for each clause.
PowerShell✓ Tested
Display a number with a fixed decimal width
JavaScript: toFixed returns a formatted string rather than a numeric value.
JavaScript✓ Tested
Display a number with a fixed decimal width
TypeScript: toFixed returns a formatted string rather than a numeric value.
TypeScript✓ Tested
Drop the fractional part toward zero
JavaScript: Math.trunc differs from floor for negative inputs.
JavaScript✓ Tested
Drop the fractional part toward zero
TypeScript: Math.trunc differs from floor for negative inputs.
TypeScript✓ Tested
Encode and decode binary data as Base64
Python: Use Base64 when a text format must carry bytes; it is encoding, not encryption.
Python✓ Tested
Enforce a numeric range at a function boundary
PowerShell: ValidateRange performs argument validation before work begins.
PowerShell✓ Tested
Enumerate Unicode code points
C#: EnumerateRunes combines surrogate pairs into Unicode scalar values.
C#✓ Tested