Results for “Numeric parsing & arithmetic”
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
Decode a 16-bit big-endian integer
C: Promote bytes to an unsigned integer type before combining shifted values.
C✓ Tested
Decode a validated pair of hexadecimal digits
C: Convert each nibble and reject a nonhexadecimal character before combining them.
C✓ Tested
Decode bytes as validated UTF-8
Decode bytes as validated UTF-8 in a complete Rust program using the standard library.
Rust✓ Tested
Detect integer addition overflow
Java: Math.addExact throws rather than silently wrapping on overflow.
Java✓ Tested
Detect invalid UTF-8 data
Detect invalid UTF-8 data in a complete Rust program using the standard library.
Rust✓ 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
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
Display an integer as unsigned
Java: Use unsigned conversion methods when interpreting a fixed-width bit pattern.
Java✓ Tested
Divide decimal values with controlled precision
Java: Choose both scale and rounding for a quotient that does not terminate in base ten.
Java✓ Tested