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Small, practical examples. Search by task or narrow things down below.
Reject NaN and infinite values
PowerShell: Double.IsFinite excludes numeric values unsuitable for ordinary bounded calculations.
PowerShell✓ Tested
Reject non-finite numeric input
Reject non-finite numeric input using a complete Go program with explicit sample inputs.
Go✓ Tested
Remove a known prefix safely
Python: Use removeprefix instead of lstrip when removing a literal prefix rather than a set of characters.
Python✓ Tested
Remove a known suffix safely
Python: Use removesuffix to remove only a matching ending.
Python✓ Tested
Repeat text a fixed number of times
Java: Use String.repeat with a nonnegative repetition count.
Java✓ Tested
Replace a service implementation with useClass
Replace a service implementation with useClass with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Replace text using captured regex groups
C++: Numbered replacement groups can rearrange a known two-part name.
C++✓ Tested
Reset controlled form state
Reset controlled form state with a small React component and explicit browser behavior.
React✓ Tested
Restrict a function parameter to known choices
PowerShell: ValidateSet rejects unsupported values before the function body executes.
PowerShell✓ Tested
Return a collection as one pipeline object
PowerShell: The unary comma prevents the returned array from being enumerated at this boundary.
PowerShell✓ Tested
Return an inserted row
Read generated data directly from INSERT.
RETURNING✓ Tested
Run cleanup after a caught exception
PowerShell: Use finally for cleanup that must occur after either success or failure.
PowerShell✓ Tested