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Results for “create”

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

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GitBranches & ancestry

Return to the previously checked-out branch

Git: The dash shorthand selects the previous branch in the checkout history.

Git✓ Tested
SQLReporting & grouped calculations

Return zero for a sum over no rows

SQL: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.

SQL✓ Tested
SQL ServerReporting & grouped calculations

Return zero for a sum over no rows

SQL Server: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.

SQL Server✓ Tested
PostgresReporting & grouped calculations

Return zero for a sum over no rows

Postgres: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.

Postgres✓ Tested
SQLiteReporting & grouped calculations

Return zero for a sum over no rows

SQLite: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.

SQLite✓ Tested
ReactCustom hooks

Reuse controlled-input bindings

Reuse controlled-input bindings with a small React component and explicit browser behavior.

React✓ Tested
ReactCustom hooks

Reuse document-title synchronization

Reuse document-title synchronization with a small React component and explicit browser behavior.

React✓ Tested
ReactCustom hooks

Reuse event subscription cleanup

Reuse event subscription cleanup with a small React component and explicit browser behavior.

React✓ Tested
SQL ServerTransactions & tables

Roll back a trial update

Group a change in a transaction and undo it.

transaction✓ Tested
Docker / ComposeContainer commands

Run a command in a running container

Execute an additional process inside an existing container.

exec✓ Tested
ReactEffects & lifecycle

Schedule a one-time update with cleanup

Schedule a one-time update with cleanup with a small React component and explicit browser behavior.

React✓ Tested
ReactRefs & DOM interaction

Scroll a referenced element into view

Scroll a referenced element into view with a small React component and explicit browser behavior.

React✓ Tested