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C#Getting Started

Print a number with two decimal places

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

C#✓ Tested
JavaGetting Started

Print a number with two decimal places

Java: Format a small decimal value consistently for display.

Java✓ Tested
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
Linux CommandsTransforming text

Print a selected range of lines

Linux Commands: Use sed -n with a line address to suppress other output.

Linux Commands✓ Tested
Linux CommandsTransforming text

Print the final lines of a file

Linux Commands: Use tail -n for a fixed-size suffix of a log.

Linux Commands✓ 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
CBinary formats & structured parsing

Quote a CSV field and double embedded quotes

C: A quoted CSV field represents a quote character by repeating it.

C✓ Tested
C#JSON & binary formats

Read a big-endian binary integer

C#: Use BinaryPrimitives when the protocol byte order differs from or must not depend on the host.

C#✓ Tested
Docker / ComposeContainer commands

Read a field from container metadata

Use an inspect template for stable machine-readable output.

inspect✓ Tested