Results for “Text validation & encoding”
Small, practical examples. Search by task or narrow things down below.
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
Detect truncated formatted output
Arduino / C: snprintf returns the length it would have written, excluding the null terminator.
Arduino / C✓ Tested
Discard incidental output from a setup command
PowerShell: Out-Null prevents setup objects from becoming part of a function or script’s useful result.
PowerShell✓ 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 a form query parameter
Java: URLEncoder uses application/x-www-form-urlencoded rules, including plus signs for spaces.
Java✓ Tested
Encode a struct with JSON field names
Encode a struct with JSON field names using a complete Go program with explicit sample inputs.
Go✓ Tested
Encode and decode Base64 bytes
Java: Convert through UTF-8 explicitly before and after Base64 encoding.
Java✓ Tested