Results for “open file”
Small, practical examples. Search by task or narrow things down below.
Use a condition-only for loop
Use a condition-only for loop using a complete Go program with explicit sample inputs.
Go✓ Tested
Use a counted loop
PowerShell: Use a counted loop using PowerShell 7.
PowerShell✓ Tested
Use a fallback for a missing hashtable entry
PowerShell: Test the key explicitly so legitimate false or zero values are preserved.
PowerShell✓ Tested
Use a literal value in a regular expression
PowerShell: Regex.Escape prevents a literal dot or other metacharacter from changing the match.
PowerShell✓ Tested
Use a nonnegative remainder for cyclic indexing
Use a nonnegative remainder for cyclic indexing in a complete Rust program using the standard library.
Rust✓ Tested
Use a wider type for a large count
Arduino / C: Use a wider type for a large count on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Use an associated constructor
Use an associated constructor in a complete Rust program using the standard library.
Rust✓ Tested
Use an optional fallback
Use Optional.orElse to provide a default for a missing Java value.
Java✓ Tested
Use headings to show document structure
HTML: Learn how to use headings to show document structure in a complete browser example.
HTML✓ Tested
Use if to produce a value
Use if to produce a value in a complete Rust program using the standard library.
Rust✓ Tested
Use named states for a controller
Arduino / C: An enum makes state transitions easier to read than unexplained numbers.
Arduino / C✓ Tested
Use semantic page landmarks
HTML: Learn how to use semantic page landmarks in a complete browser example.
HTML✓ Tested