Results for “cr”
Small, practical examples. Search by task or narrow things down below.
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
Exclude a directory from a recursive search
Linux Commands: Use prune to avoid descending into generated dependencies.
Linux Commands✓ Tested
Exclude a purely decorative image from accessible content
HTML: An empty alt indicates that this image adds no information beyond nearby content.
HTML✓ Tested
Exclude generated files from an archive
Linux Commands: Place exclude options before the input paths to control archive membership.
Linux Commands✓ Tested
Exclude matching lines
Linux Commands: Use grep -v to retain lines that do not start with a comment marker.
Linux Commands✓ Tested
Exercise a function with a table of inputs
Exercise a function with a table of inputs in a complete Rust program using the standard library.
Rust✓ Tested
Expand a JSON array into rows
Iterate array elements using a table-valued function.
json_each✓ Tested
Expand an abbreviation with explanatory text
HTML: The title attribute supplies the full form while nearby text remains useful without hovering.
HTML✓ Tested
Expand an array into rows
Use WITH ORDINALITY to retain original element order.
unnest✓ Tested
Explain which ignore rule matches a file
Git: check-ignore -v reports the source file, line, pattern, and matched path.
Git✓ Tested