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Small, practical examples. Search by task or narrow things down below.

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SQL ServerConstraints & defaults

Apply a default when an insert omits a column

SQL Server: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.

SQL Server✓ Tested
PostgresConstraints & defaults

Apply a default when an insert omits a column

Postgres: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.

Postgres✓ Tested
SQLiteConstraints & defaults

Apply a default when an insert omits a column

SQLite: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.

SQLite✓ Tested
Arduino / CSensor calculations

Apply a linear sensor calibration

Arduino / C: Convert a raw reading using an offset and scale measured for the sensor.

Arduino / C✓ Tested
CSSGetting Started

Apply a rule at a viewport breakpoint

CSS: Learn how to apply a rule at a viewport breakpoint in a complete browser example.

CSS✓ Tested
GitStashing selected work

Apply a stash while keeping the saved entry

Git: Apply restores changes without removing the stash reference.

Git✓ Tested
CSSResponsive conditions & sizing

Apply an enhancement only when a feature is supported

CSS: A supports rule preserves the baseline outside browsers that understand the selected declaration.

CSS✓ Tested
CSSGetting Started

Arrange children with flexbox

CSS: Learn how to arrange children with flexbox in a complete browser example.

CSS✓ Tested
Arduino / CBinary values & packets

Assemble a big-endian 16-bit value

Arduino / C: Cast to an unsigned 16-bit type before shifting the high byte.

Arduino / C✓ Tested
Arduino / CBinary values & packets

Assign a bit from a Boolean state

Arduino / C: bitWrite accepts a bit position and a zero or nonzero value.

Arduino / C✓ Tested
SQL ServerSelect & page

Assign a rank within each group

Number rows with a partitioned window.

ROW_NUMBER✓ Tested
HTMLTables & list numbering

Associate a data cell with explicit table headers

HTML: The headers attribute lists header IDs for a more complex cell association.

HTML✓ Tested