Results for “Numbers & numeric validation”
Small, practical examples. Search by task or narrow things down below.
Require a value with NOT NULL
SQL Server: Declare required fields at the database boundary, not only in application validation.
SQL Server✓ Tested
Require a value with NOT NULL
Postgres: Declare required fields at the database boundary, not only in application validation.
Postgres✓ Tested
Require a value with NOT NULL
SQLite: Declare required fields at the database boundary, not only in application validation.
SQLite✓ Tested
Respond to the Enter key
jQuery: Use the event key rather than deprecated numeric key codes.
jQuery✓ Tested
Return a status separately from a calculated result
C: An output pointer lets a function return success or failure independently of its numeric result.
C✓ Tested
Run an image as a non-root user
Choose an unprivileged numeric identity for the default process.
Dockerfile✓ Tested
Search a sorted vector
Use binary_search after ensuring C++ values are sorted.
C++✓ Tested
Search for text in a file
Find matching lines with their line numbers, ignoring letter case and treating the pattern as literal text.
grep✓ Tested
Set an explicit font weight
CSS: Numeric font weights express typographic emphasis independently of a specific font family.
CSS✓ Tested
Set and inspect a bit flag
Store several boolean states in one byte.
bitSet✓ Tested
Set and test bit flags
Use unsigned masks to combine and test C flags.
C✓ Tested
Sort dictionaries by a value
Sort a list of dictionaries by a numeric field, leaving the original list unchanged.
sort✓ Tested