Results for “read”
Small, practical examples. Search by task or narrow things down below.
Rename a known file through filesystem
C++: filesystem::rename reports an error by exception when the operation fails.
C++✓ Tested
Repeat a fixed number of times
C++: Use a counted loop to print three numbered steps.
C++✓ Tested
Repeat the first ordered value beside each row
SQL: FIRST_VALUE reads the first value in the current window frame.
SQL✓ Tested
Repeat the first ordered value beside each row
SQL Server: FIRST_VALUE reads the first value in the current window frame.
SQL Server✓ Tested
Repeat the first ordered value beside each row
Postgres: FIRST_VALUE reads the first value in the current window frame.
Postgres✓ Tested
Repeat the first ordered value beside each row
SQLite: FIRST_VALUE reads the first value in the current window frame.
SQLite✓ Tested
Repeat while a condition holds
C++: Count down while a positive number remains, updating the loop variable on each iteration.
C++✓ Tested
Replace one collection element
C++: Update an existing element at a known valid index.
C++✓ Tested
Replace text using captured regex groups
C++: Numbered replacement groups can rearrange a known two-part name.
C++✓ Tested
Represent an absent result with optional
C++: value_or supplies a default without requiring a sentinel inside the value domain.
C++✓ Tested
Require two conditions to be true
C++: Combine a lower and an upper bound to check whether a value is in range.
C++✓ Tested
Retrieve the result of an asynchronous task
C++: The explicit async launch policy requests asynchronous execution rather than deferred evaluation.
C++✓ Tested