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

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RustThreads & shared ownership

Move owned data into a worker

Move owned data into a worker in a complete Rust program using the standard library.

Rust✓ Tested
GoFunctions & types

Mutate a struct through a pointer receiver

Mutate a struct through a pointer receiver using a complete Go program with explicit sample inputs.

Go✓ Tested
GoGetting Started

Name a fixed configuration value

Name a fixed configuration value using a complete Go program with explicit sample inputs.

Go✓ Tested
C#Getting Started

Name a value that stays fixed

C#: Use a constant declaration or the language’s constant naming convention for a fixed limit.

C#✓ Tested
HTMLLinks & accessibility

Name an icon button

Give a button containing only a symbol an accessible name.

HTML✓ Tested
SQLJoins & subqueries

Name an intermediate query with a CTE

Make a filtered result reusable within one statement.

CTE✓ Tested
C#Types & reliable control flow

Narrow an object using a type pattern

C#: A successful is pattern introduces a strongly typed local variable.

C#✓ Tested
C#Text validation & encoding

Normalize canonically equivalent Unicode strings

C#: Normalize to NFC before an ordinal comparison of equivalent character sequences.

C#✓ Tested
RustIterators & transformations

Number items while iterating

Number items while iterating in a complete Rust program using the standard library.

Rust✓ Tested
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