Results for “read lines”
Small, practical examples. Search by task or narrow things down below.
Reject infinite and NaN numeric values
C++: std::isfinite excludes special floating-point values.
C++✓ Tested
Reject insertion when a fixed queue is full
Arduino / C: Track a count separately from circular read and write positions.
Arduino / C✓ Tested
Remove a map entry and inspect the number removed
C++: erase by key reports whether a unique-key map contained the entry.
C++✓ Tested
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