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

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JavaScriptGetting Started

Print a number with two decimal places

JavaScript: Format a small decimal value consistently for display.

JavaScript✓ Tested
TypeScriptGetting Started

Print a number with two decimal places

TypeScript: Format a small decimal value consistently for display.

TypeScript✓ Tested
C++Getting Started

Print a number with two decimal places

C++: Format a small decimal value consistently for display.

C++✓ Tested
CGetting Started

Print a number with two decimal places

C: Format a small decimal value consistently for display.

C✓ Tested
C#Collections & data structures

Process a FIFO queue

C#: Queue removes elements in the order they were enqueued.

C#✓ Tested
C#File operations & paths

Process a file as a lazy line sequence

C#: ReadLines avoids allocating one string containing the entire file.

C#✓ Tested
C#Collections & data structures

Process items by numeric priority

C#: PriorityQueue removes the item with the smallest priority value first.

C#✓ Tested
JavaText validation & formatting

Process the lines of an in-memory string

Java: Use String.lines to handle common line terminators without retaining them.

Java✓ Tested
PythonStructured data & serialization

Produce compact deterministic JSON

Python: Sort dictionary keys and remove separator whitespace for a reproducible representation.

Python✓ Tested
AngularComponents & communication

Project content into named slots

Project content into named slots with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
C++Tasks & synchronization

Protect a shared container with a mutex

C++: A scoped lock_guard releases the mutex when its scope ends.

C++✓ Tested
GoConcurrency & cancellation

Protect a shared counter

Protect a shared counter using a complete Go program with explicit sample inputs.

Go✓ Tested