一

Android studio在无工作状态下的日志输出 不知道是什么作用，其网址返回的截图见 图一

2021-12-01 16:44:11.371 2665-2878/? D/cloudgaminginterceptor: request intercepted: url=https://b-graph.facebook.com/v3.1/ota_resource 2021-12-01 16:44:11.371 2665-2878/? D/relenginterceptor: RELENG rewrite skipped, config is disabled. 2021-12-01 16:44:11.371 2665-2878/? D/defcontigonrelayernative: DefconTigonDelayer starting 2021-12-01 16:44:11.371 2665-2878/? D/defcontigonrelayernative: DefconTigonDelayer skipped, config is disabled. 2021-12-01 16:44:32.343 2538-3088/? I/NetworkScheduler.Stats: Task com.google.android.gms/com.google.android.gms.auth.account.be.legacy.AuthCronService started execution. cause:4 exec_start_elapsed_seconds: 816 [CONTEXT service_id=218 ] 2021-12-01 16:44:32.345 2538-3088/? I/NetworkScheduler.Stats: Task com.google.android.gms/com.google.android.gms.auth.account.be.legacy.AuthCronService finished executing. cause:4 result: 1 elapsed_millis: 8 uptime_millis: 8 exec_start_elapsed_seconds: 816 [CONTEXT service_id=218 ] 2021-12-01 16:44:41.374 2665-2903/? W/fb4a.OnDemandResourcePrefetchImpl: Prefetch failed for resource fbt_language_pack.bin, zh_CN, 324485361 2021-12-01 16:45:02.364 2538-3116/? I/NetworkScheduler.Stats: Task com.google.android.gms/com.google.android.gms.auth.account.be.legacy.AuthCronService started execution. cause:4 exec_start_elapsed_seconds: 847 [CONTEXT service_id=218 ] 2021-12-01 16:45:02.366 2538-3088/? I/NetworkScheduler.Stats: Task com.google.android.gms/com.google.android.gms.auth.account.be.legacy.AuthCronService finished executing. cause:4 result: 1 elapsed_millis: 8 uptime_millis: 8 exec_start_elapsed_seconds: 847 [CONTEXT service_id=218 ] 2021-12-01 16:45:07.998 2538-4289/? E/GCM: Missing checkin config file 2021-12-01 16:45:07.998 2538-4289/? W/GCM: GCM FAILED TO INITIALIZE - missing checkin 2021-12-01 16:45:07.999 2538-4289/? E/GCM: Missing checkin config file 2021-12-01 16:45:07.999 2538-4289/? W/GCM: GCM FAILED TO INITIALIZE - missing checkin 2021-12-01 16:45:08.001 2538-4289/? E/WakeLock: GCM_HB_ALARM release without a matched acquire! 2021-12-01 16:45:08.001 2538-4289/? W/WakeLock: GCM_HB_ALARM counter does not exist 2021-12-01 16:45:11.366 2665-2878/? W/fb4a.DownloadOnDemand: attempting to fetch resource, name:fbt_language_pack.bin, flavor:zh_CN, build: 324485361

图一

二

不知道为什么在网上关于QQ配置的文章好难找，怎么关掉新版本的弹窗推荐，建群人数的限制，各QQ等级是否对应着什么权限之类的，找了很久都没有类似的文章出现 QQ的机器人开源库有些也停止更新了

三

set or aggregate的区别是什么