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

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C#Asynchronous work & URI handling

Observe cancellation through a token

C#: A cancellation token is cooperative; operations must check it or accept it as an argument.

C#✓ Tested
GoConcurrency & cancellation

Observe context cancellation

Observe context cancellation using a complete Go program with explicit sample inputs.

Go✓ Tested
RustTesting & reusable patterns

Own a heap-allocated value with Box

Own a heap-allocated value with Box in a complete Rust program using the standard library.

Rust✓ Tested
C#Text validation & encoding

Pad a numeric label to a fixed width

C#: Use a numeric format specifier to add leading zeroes.

C#✓ Tested
C#LINQ transformations

Pair corresponding collection elements

C#: Zip stops at the shorter sequence, so validate lengths separately if mismatches are an error.

C#✓ Tested
RustIterators & transformations

Pair corresponding values

Pair corresponding values in a complete Rust program using the standard library.

Rust✓ Tested
SQLRelationships & missing data

Pair employees with their managers

SQL: Alias a table twice to represent two different roles in one relationship.

SQL✓ Tested
SQL ServerRelationships & missing data

Pair employees with their managers

SQL Server: Alias a table twice to represent two different roles in one relationship.

SQL Server✓ Tested
PostgresRelationships & missing data

Pair employees with their managers

Postgres: Alias a table twice to represent two different roles in one relationship.

Postgres✓ Tested
SQLiteRelationships & missing data

Pair employees with their managers

SQLite: Alias a table twice to represent two different roles in one relationship.

SQLite✓ Tested
GoErrors & validation

Parse a Boolean configuration value

Parse a Boolean configuration value using a complete Go program with explicit sample inputs.

Go✓ Tested
RustParsing & byte data

Parse a Boolean literal

Parse a Boolean literal in a complete Rust program using the standard library.

Rust✓ Tested