The snippet library.
Small, practical examples. Search by task or narrow things down below.
Reject duplicate business identifiers
SQLite: A UNIQUE constraint protects a business key independently of the primary key.
SQLite✓ Tested
Reject infinite and NaN numeric values
C++: std::isfinite excludes special floating-point values.
C++✓ Tested
Reject infinity and NaN
C#: Double.IsFinite distinguishes usable finite numeric inputs from special values.
C#✓ Tested
Reject insertion when a fixed queue is full
Arduino / C: Track a count separately from circular read and write positions.
Arduino / C✓ Tested
Reject NaN and infinite numeric inputs
Python: Use isfinite before computations that require an ordinary finite float.
Python✓ Tested
Reject NaN and infinite values
PowerShell: Double.IsFinite excludes numeric values unsuitable for ordinary bounded calculations.
PowerShell✓ Tested
Reject NaN and infinite values
C: isfinite detects whether a floating-point value is an ordinary finite number.
C✓ Tested
Reject non-finite numeric input
Reject non-finite numeric input using a complete Go program with explicit sample inputs.
Go✓ Tested
Reject nonfinite floating-point values
Java: Double.isFinite excludes both infinity and NaN.
Java✓ Tested
Reject one outlier with a median-of-three filter
Arduino / C: Sorting three values leaves the median in the middle.
Arduino / C✓ Tested
Reject unknown JSON object fields
Reject unknown JSON object fields using a complete Go program with explicit sample inputs.
Go✓ Tested
Remember the previously committed value
Remember the previously committed value with a small React component and explicit browser behavior.
React✓ Tested