Results for “atomic write”
Small, practical examples. Search by task or narrow things down below.
Copy a file in bounded binary chunks
C: Check read, write, and close errors while copying without loading the entire file.
C✓ Tested
Copy a file without replacing an existing destination
C++: The default copy_file policy refuses to overwrite an existing destination.
C++✓ Tested
Count a falling edge with an interrupt
Increment a counter when an external input changes.
attachInterrupt✓ Tested
Create a STRICT table
Require values compatible with declared column types.
STRICT✓ Tested
Drive the built-in LED low after turning it on
Arduino / C: digitalWrite changes the actual output level of a configured pin.
Arduino / C✓ Tested
Enable and use foreign keys
Turn on relationship enforcement for the connection.
foreign keys✓ Tested
Find sorted set members missing from another set
C++: set_difference writes elements present in the first sorted input but absent from the second.
C++✓ Tested
Format several integers in a fixed buffer
Arduino / C: snprintf limits writes to the buffer size and includes a terminating null byte.
Arduino / C✓ Tested
Get the latest row in each group
Select one ordered row per key with DISTINCT ON.
DISTINCT ON✓ Tested
Increment a stored value in the database
SQL: An in-database arithmetic update avoids a separate application read-modify-write step.
SQL✓ Tested
Increment a stored value in the database
SQL Server: An in-database arithmetic update avoids a separate application read-modify-write step.
SQL Server✓ Tested
Increment a stored value in the database
Postgres: An in-database arithmetic update avoids a separate application read-modify-write step.
Postgres✓ Tested