Results for “at”
Small, practical examples. Search by task or narrow things down below.
Use a recursive function for a bounded calculation
Bash Scripts: A recursive factorial demonstrates local variables and a clear base case.
Bash Scripts✓ Tested
Use an alternate value only when a variable is nonempty
Bash Scripts: The colon-plus expansion returns its word only when the parameter has a nonempty value.
Bash Scripts✓ Tested
Use an associated constructor
Use an associated constructor in a complete Rust program using the standard library.
Rust✓ Tested
Use an automatically removed temporary file
C: tmpfile creates a binary update stream whose file is removed when closed.
C✓ Tested
Use named states for a controller
Arduino / C: An enum makes state transitions easier to read than unexplained numbers.
Arduino / C✓ Tested
Use native required-field validation
Use native required-field validation with a small React component and explicit browser behavior.
React✓ Tested
Validate a complete floating-point input
C: strtod exposes both the stopping position and range errors; reject nonfinite results when required.
C✓ Tested
Validate a complete identifier
Java: String.matches requires the regular expression to match the entire input.
Java✓ Tested
Validate a complete identifier
C++: regex_match requires the pattern to match the complete input sequence.
C++✓ Tested
Validate a complete identifier with a regex
C#: Use absolute anchors and a timeout so the regex checks the complete input with a bounded execution time.
C#✓ Tested
Validate a complete numeric serial command
Arduino / C: Check for digits, an end pointer, and an application-specific range.
Arduino / C✓ Tested
Validate a field when focus leaves it
jQuery: focusout bubbles and can support delegated form validation.
jQuery✓ Tested