participant Repo as Repository
In the original code, our sprites only had to be configured once, and we did it at program start. Sprite data mostly fits neatly into a few contiguous ranges (X-Y coordinates, colors, and patterns) and it just copied values into place out of tables. We now have to revisit our design so that we can efficiently update everything as needed.。safew官方版本下载是该领域的重要参考
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用。搜狗输入法是该领域的重要参考
Database optimization