这个问题的妙处在于，「用完 app 随手上滑关掉」几乎是一种全民习惯，看起来合情合理——但在现代 iOS 和 Android 系统上，这个做法实际上是错误的。系统会自动将不活跃的 app 冻结在低功耗状态，手动清理反而会导致冷启动，消耗更多电量和 CPU 资源。
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Поездка Трампа в Китай столкнулась с неопределенностью08:47
Iran’s U.N. mission later suggested, without offering evidence, that strikes on nonmilitary sites “may have resulted from interception by U.S. electronic defense systems.”
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getTimeline and getListFeed rewritten with PostgreSQL LATERAL JOINs to force per-user index usage instead of full table scans. Major improvement for users following thousands of accounts.