For roughly the first decade of the "cash machine," they were offline devices
第十三条 纳税人按照一般计税方法计算缴纳增值税的，因销售折让、中止或者退回而退还给购买方的增值税税额，应当从当期的销项税额中扣减；因销售折让、中止或者退回而收回的增值税税额，应当从当期的进项税额中扣减。。业内人士推荐雷电模拟器官方版本下载作为进阶阅读
In the live game, every API call that affected the player’s inventory triggered a write to the corresponding record in our Azure Cosmos database. From a player’s perspective, the game is constantly saving their progress. To achieve parity in the offline game, we exposed two functions in the AOT DLL for getting and setting a player’s inventory (equivalent to the Cosmos DB inventory document). When the game first starts up, the local save file on disk is read and the inventory is loaded into the DLL’s memory. As the various serverless HTTP operations occur throughout gameplay the DLL’s in-memory inventory state gets updated. After these operations, if the inventory was changed, the client fetches the new full inventory state from the DLL and saves it back to disk.，更多细节参见51吃瓜
Time-travel debugging might sound like a complex feature reserved for heavy-duty enterprise tools, but it fundamentally comes down to architectural design; it takes less than 100 lines of code to implement, and that figure includes our Effect System.。关于这个话题，夫子提供了深入分析