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Results for “C++”

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

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SQLiteConstraints & defaults

Make a pair of columns unique together

SQLite: A composite primary key permits repeated individual values while forbidding a duplicate combination.

SQLite✓ Tested
Linux CommandsFiles & permissions

Make a script executable by its owner

Linux Commands: Add the owner execute bit without replacing all permission bits.

Linux Commands✓ Tested
Linux CommandsGetting Started

Make a second copy of a practice file

Linux Commands: Make a second copy of a practice file using GNU/Linux commands in an empty practice directory.

Linux Commands✓ Tested
CSSGetting Started

Make an inline element a block

CSS: Learn how to make an inline element a block in a complete browser example.

CSS✓ Tested
HTMLForm behavior

Make an unavailable select option unselectable

HTML: A disabled option remains visible but cannot be selected through normal keyboard navigation.

HTML✓ Tested
CSSGetting Started

Make keyboard focus visible

CSS: Learn how to make keyboard focus visible in a complete browser example.

CSS✓ Tested
GoGetting Started

Map a command with switch

Map a command with switch using a complete Go program with explicit sample inputs.

Go✓ Tested
HTMLText semantics

Mark a longer quotation and its source

HTML: Blockquote marks quoted content; a visible source link remains useful because cite is metadata.

HTML✓ Tested
HTMLAccessible structure

Mark a self-contained article

HTML: Article identifies a standalone composition that can be read independently.

HTML✓ Tested
HTMLText semantics

Mark a short quotation within a sentence

HTML: The q element identifies an inline quotation and allows native quotation marks.

HTML✓ Tested
HTMLGetting Started

Mark emphasis and importance

HTML: Learn how to mark emphasis and importance in a complete browser example.

HTML✓ Tested
HTMLLinks & accessibility

Mark up a machine-readable date

Pair a readable date with an ISO datetime attribute in HTML.

HTML✓ Tested