Results for “Context & shared state”
Small, practical examples. Search by task or narrow things down below.
Verify that a one-off container was removed
Docker / Compose: An automatically removed container no longer appears in an exact-name listing.
Docker / Compose✓ Tested
Copy a multibyte interrupt-owned counter atomically
Arduino / C: ATOMIC_RESTORESTATE restores the interrupt state after reading a shared value.
Arduino / C✓ Tested
Deliver a result through a promise and future
C++: A promise sets a shared state and its future retrieves the value.
C++✓ Tested
Abort a conflicting cherry-pick
Git: Abort removes the incomplete replay and returns to the previous branch state.
Git✓ Tested
Abort a conflicting rebase
Git: Abort returns the branch to its state before the rebase attempt.
Git✓ Tested
Abort a merge with unresolved conflicts
Git: Abort restores the pre-merge state in this clean practice repository.
Git✓ Tested
Add an optional field to an existing table
SQL: A nullable column permits existing rows to remain valid while data is filled later.
SQL✓ Tested
Add an optional field to an existing table
SQL Server: A nullable column permits existing rows to remain valid while data is filled later.
SQL Server✓ Tested
Add an optional field to an existing table
Postgres: A nullable column permits existing rows to remain valid while data is filled later.
Postgres✓ Tested
Add an optional field to an existing table
SQLite: A nullable column permits existing rows to remain valid while data is filled later.
SQLite✓ Tested
Apply a default when an insert omits a column
SQL: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.
SQL✓ Tested
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