Results for “as”
Small, practical examples. Search by task or narrow things down below.
Return zero for a sum over no rows
Postgres: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.
Postgres✓ Tested
Return zero for a sum over no rows
SQLite: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.
SQLite✓ Tested
Reuse a CSS custom property
CSS: Learn how to reuse a CSS custom property in a complete browser example.
CSS✓ Tested
Reuse an LED action with a function
Arduino / C: Put a short LED sequence in a named function and call it twice.
Arduino / C✓ Tested
Reuse colors with custom properties
Define a CSS custom property and use it for text color.
CSS✓ Tested
Reveal a collapsed panel with a slide
jQuery: slideDown animates the panel’s vertical dimensions.
jQuery✓ Tested
Reverse a copy while preserving the original
TypeScript: Copy before reverse because reverse mutates the array it receives.
TypeScript✓ Tested
Reverse a copy while preserving the source
PowerShell: Clone the array before using Array.Reverse because Reverse mutates its argument.
PowerShell✓ Tested
Reverse a string
Reverse a byte string in place with std::reverse.
C++✓ Tested
Reverse an array in place
Swap C array elements from opposite ends.
C✓ Tested
Reverse slice order
Reverse slice order using a complete Go program with explicit sample inputs.
Go✓ Tested
Roll back a trial update
Group a change in a transaction and undo it.
transaction✓ Tested