Results for “read”
Small, practical examples. Search by task or narrow things down below.
Group matching values while preserving their order
C++: stable_partition keeps the relative order within both predicate groups.
C++✓ Tested
Handle a failed file open through stream state
C++: An unopened input stream is not an empty successful file read.
C++✓ Tested
Handle a failed string-to-integer conversion
C++: stoi throws invalid_argument when no conversion can be performed.
C++✓ Tested
Handle three possible outcomes
C++: Check high, normal and low values with an ordered conditional chain.
C++✓ Tested
Ignore generated files
Exclude build output from untracked-file listings.
gitignore✓ 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
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
Increment a stored value in the database
SQLite: An in-database arithmetic update avoids a separate application read-modify-write step.
SQLite✓ Tested
Insert a map value only when a key is absent
C++: try_emplace preserves the old value when insertion does not take place.
C++✓ Tested
Insert a value while preserving sorted order
Python: Use insort on an already sorted list; insertion still shifts later list elements.
Python✓ Tested