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Results for “fold”

Small, practical examples. Search by task or narrow things down below.

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Bash ScriptsArguments & decisions

Repeat until a condition becomes true

Bash Scripts: An until loop continues while its test returns a nonzero status.

Bash Scripts✓ Tested
RustGetting Started

Repeat while a condition holds

Repeat while a condition holds in a complete Rust program using the standard library.

Rust✓ Tested
SQLiteText cleanup & matching

Replace a literal substring

SQLite: REPLACE performs a literal replacement rather than a regular-expression substitution.

SQLite✓ Tested
RustStrings & Unicode

Replace a literal substring

Replace a literal substring in a complete Rust program using the standard library.

Rust✓ Tested
Bash ScriptsFiles & reliability

Replace a text file with an atomic rename

Prepare new content beside the target before renaming it into place.

atomic write✓ Tested
RustTesting & reusable patterns

Replace a value and keep the old value

Replace a value and keep the old value in a complete Rust program using the standard library.

Rust✓ Tested
Bash ScriptsVariables & text

Replace every occurrence in a string

Substitute text directly with Bash parameter expansion.

replace✓ Tested
GoStrings & text

Replace literal text

Replace literal text using a complete Go program with explicit sample inputs.

Go✓ Tested
Linux CommandsGetting Started

Replace text in a pipeline

Linux Commands: Replace text in a pipeline using GNU/Linux commands in an empty practice directory.

Linux Commands✓ Tested
Bash ScriptsGetting Started

Replace text with parameter expansion

Bash Scripts: Replace text with parameter expansion with a small standalone Bash program.

Bash Scripts✓ Tested
SQLiteSubqueries & ranked selection

Report duplicate business values and their frequency

SQLite: Group by a candidate business key and retain only groups with multiple rows.

SQLite✓ Tested
GoMaps & sets

Represent a set with empty structs

Represent a set with empty structs using a complete Go program with explicit sample inputs.

Go✓ Tested