Results for “Form behavior”
Small, practical examples. Search by task or narrow things down below.
Build an object from key-value entries
TypeScript: Object.fromEntries converts an iterable of pairs into ordinary own properties.
TypeScript✓ Tested
Build text efficiently in a loop
Java: Append to StringBuilder when constructing a string incrementally.
Java✓ Tested
Calculate a cumulative sum for each position
C: Keep a running total and store each prefix result in a separate output array.
C✓ Tested
Calculate a product with Aggregate
C#: Supply a seed to define the result for an empty sequence.
C#✓ Tested
Calculate several numeric stream statistics
Java: Use summaryStatistics to calculate count, sum, minimum, maximum, and average in one pass.
Java✓ Tested
Check a filename suffix
Java: Use endsWith for a case-sensitive literal suffix test.
Java✓ Tested
Check a string prefix
Java: Use startsWith to check a literal Java prefix without a regular expression.
Java✓ Tested
Check any and all stream elements
Java: Use short-circuiting match operations for predicates over a Java collection.
Java✓ Tested
Collapse repeated spaces
Linux Commands: Use tr -s when repeated occurrences of a character should become one.
Linux Commands✓ Tested
Convert ASCII text to lowercase safely
C: Cast to unsigned char before calling ctype functions on a possibly signed char.
C✓ Tested
Convert between hexadecimal text and bytes
PowerShell: Use the .NET hexadecimal helpers instead of parsing byte pairs manually.
PowerShell✓ Tested
Convert bytes to Base64 and back
C#: Encode text to UTF-8 before converting it to a Base64 representation.
C#✓ Tested