Results for “if”
Small, practical examples. Search by task or narrow things down below.
Track whether a form differs from its initial value
Track whether a form differs from its initial value with a small React component and explicit browser behavior.
React✓ Tested
Update one array item by its identifier
Update one array item by its identifier with a small React component and explicit browser behavior.
React✓ Tested
Update several classifications in one statement
SQL: A CASE expression computes the new value for each row covered by the update predicate.
SQL✓ Tested
Update several classifications in one statement
SQL Server: A CASE expression computes the new value for each row covered by the update predicate.
SQL Server✓ Tested
Update several classifications in one statement
Postgres: A CASE expression computes the new value for each row covered by the update predicate.
Postgres✓ Tested
Update several classifications in one statement
SQLite: A CASE expression computes the new value for each row covered by the update predicate.
SQLite✓ Tested
Use a deque as a FIFO queue
Java: Add at the tail and remove at the head using ArrayDeque.
Java✓ Tested
Use a switch expression to classify a value
C#: Relational patterns express a small ordered range classification.
C#✓ Tested
Use if to produce a value
Use if to produce a value in a complete Rust program using the standard library.
Rust✓ 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