Results for “os”
Small, practical examples. Search by task or narrow things down below.
Increment a counter without an unexpected errexit
Bash Scripts: An assignment avoids the zero-result exit status of a standalone arithmetic post-increment.
Bash Scripts✓ Tested
Increment a shared counter safely
C++: Atomic increments prevent lost updates when two threads change the same counter.
C++✓ Tested
Increment a stored value in the database
SQL: An in-database arithmetic update avoids a separate application read-modify-write step.
SQL✓ Tested
Initialize a byte buffer to zero
C: memset initializes each byte to the chosen unsigned-char value.
C✓ Tested
Insert a row with named columns
Add a record without relying on implicit column order.
INSERT✓ Tested
Insert only keys absent from a destination
SQL: NOT EXISTS supports a set-based missing-row insert in a single-writer example.
SQL✓ Tested
Insert or update on a key conflict
Use a unique key to update an existing row.
ON CONFLICT✓ Tested
Inspect a clean working tree
Git: Inspect a clean working tree inside the disposable repository created by the input setup.
Git✓ Tested
Inspect a GitHub remote URL
Configure and inspect an example origin without contacting the network.
GitHub✓ Tested
Inspect a revision with detached HEAD
Git: Detached mode is useful for inspection; create a branch before keeping new work.
Git✓ Tested
Inspect deleted rows
Return values from the rows a DELETE removes.
DELETE✓ Tested
Inspect the author recorded on a commit
Git: Inspect the author recorded on a commit inside the disposable repository created by the input setup.
Git✓ Tested