Results for “C”
Small, practical examples. Search by task or narrow things down below.
Enforce uniqueness with a dedicated index
SQL: A unique index rejects a duplicate combination independently of query plans.
SQL✓ Tested
Enforce uniqueness with a dedicated index
SQL Server: A unique index rejects a duplicate combination independently of query plans.
SQL Server✓ Tested
Enforce uniqueness with a dedicated index
Postgres: A unique index rejects a duplicate combination independently of query plans.
Postgres✓ Tested
Enforce uniqueness with a dedicated index
SQLite: A unique index rejects a duplicate combination independently of query plans.
SQLite✓ Tested
Enhance a layout above a minimum viewport width
CSS: A mobile-first min-width query adds columns when enough horizontal space is available.
CSS✓ Tested
Enter and leave a practice directory
Linux Commands: Enter and leave a practice directory using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Enumerate matching files recursively
C#: Sort relative filenames when reproducible traversal output is required.
C#✓ Tested
Enumerate Unicode code points
C#: EnumerateRunes combines surrogate pairs into Unicode scalar values.
C#✓ Tested
Escape a single URL parameter value
PowerShell: EscapeDataString encodes one value without treating it as a complete URL.
PowerShell✓ Tested
Escape a URL query value
C#: EscapeDataString percent-encodes one value rather than an entire URL.
C#✓ Tested
Escape plain text before placing it in HTML
PowerShell: HtmlEncode converts HTML delimiters to entities in ordinary text contexts.
PowerShell✓ Tested
Escape text for an HTML context
C#: HtmlEncode converts markup delimiters in plain text before rendering it as HTML content.
C#✓ Tested