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Results for “cr”

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

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Linux CommandsGetting Started

Store and expand a shell variable

Linux Commands: Store and expand a shell variable using GNU/Linux commands in an empty practice directory.

Linux Commands✓ Tested
RustFunctions & data types

Store data in an enum variant

Store data in an enum variant in a complete Rust program using the standard library.

Rust✓ Tested
HTMLDocument structure

Structure a document with headings

Use a single page heading and a second-level section heading in HTML.

HTML✓ Tested
CSSInteraction selectors

Style a card based on a selected descendant

CSS: Has matches the parent when its relative selector finds a checked control inside it.

CSS✓ Tested
CSSInteraction selectors

Style a control that fails native validation

CSS: Invalid reflects the input’s current constraint-validation result.

CSS✓ Tested
CSSInteraction selectors

Style content associated with a checked option

CSS: The adjacent-sibling selector connects a checked control with its following label text.

CSS✓ Tested
CSSTypography

Style list markers

Set marker color separately from list text using CSS ::marker.

CSS✓ Tested
CSSInteraction selectors

Style placeholder text independently of entered text

CSS: The placeholder pseudo-element affects the hint, while the input rule styles the actual value.

CSS✓ Tested
CSSType & reading flow

Style supporting text in italics

CSS: Font-style changes presentation without adding semantic emphasis by itself.

CSS✓ Tested
HTMLForm behavior

Submit a readonly value while preventing edits

HTML: Readonly controls remain in form data, unlike disabled controls.

HTML✓ Tested
SQL ServerSelect & page

Substitute a value for NULL

Use SQL Server’s ISNULL expression.

ISNULL✓ Tested
RustNumbers & durations

Subtract durations without underflow

Subtract durations without underflow in a complete Rust program using the standard library.

Rust✓ Tested