Results for “Input constraints”
Small, practical examples. Search by task or narrow things down below.
Style a control that fails native validation
CSS: Invalid reflects the input’s current constraint-validation result.
CSS✓ Tested
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
Sum a row and its immediate predecessor
SQL: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.
SQL✓ Tested
Sum a row and its immediate predecessor
SQL Server: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.
SQL Server✓ Tested
Sum a row and its immediate predecessor
Postgres: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.
Postgres✓ Tested
Sum a row and its immediate predecessor
SQLite: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.
SQLite✓ Tested
Summarize added and removed lines numerically
Git: Numstat provides tab-separated counts suitable for processing.
Git✓ Tested
Supply a default for an unset Compose variable
Docker / Compose: The default interpolation form supplies a value when the variable is absent or empty.
Docker / Compose✓ Tested
Supply a non-secret configuration file
Docker / Compose: A Compose config mounts a declared file into the service.
Docker / Compose✓ Tested
Supply an environment variable to an exec process
Docker / Compose: An exec environment override applies to the new process only.
Docker / Compose✓ Tested
Switch to a newly created branch
Git: Switch to a newly created branch inside the disposable repository created by the input setup.
Git✓ Tested
Take a page from a stream
Java: Use skip and limit with a known stable input order.
Java✓ Tested