journal_mode: The default rollback journal meant readers could block writers and vice-versa, so you effectively serialized all database access. This was a major bottleneck and most apps would see frequent SQLITE_BUSY errors start to stack up as a result. Instead, you can switch it to WAL mode which uses a write-ahead journal and allows readers and writers to access the DB concurrently.
3月8日起，北美地区开始实行夏令时，美国和加拿大金融市场交易时间和经济数据公布时间将较冬令时提前一小时。
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I always wondered how 0-click exploits, a way hackers can get into your device without requiring you to ever click anything work.
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