本课内容目前为英文。
Taking turns
A phone app may save a score while its screen reads the leaderboard, both from the same file. SQLite keeps them safe with transactions and locks, and one setting, WAL mode, decides how often they have to wait for each other.
本课内容目前为英文。
A phone app may save a score while its screen reads the leaderboard, both from the same file. SQLite keeps them safe with transactions and locks, and one setting, WAL mode, decides how often they have to wait for each other.