One day, I suddenly wondered how to detect when a USB device is plugged or unplugged from a computer running Linux. For most users, this would be solved by relying on libusb. However, the use case I was investigating might not actually want to do so, and so this led me down a poorly-documented rabbit hole.
二是更加注重精准有效。财政政策方面，这次特别强调要深化零基预算改革，要把一些低效、花得不好的钱调出来，花到更有用的地方去。去年已经收到了一些效果，今年还要加大力度。另外要进一步优化支出结构，盘活存量资产资源，把更多财政资金用于提振消费、投资于人、保障民生等方面。货币政策也将优化结构性政策工具，强化支持扩大内需、科技创新、中小微企业等方面。
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17.王计兵 江苏省徐州市全民阅读促进会副会长、兼职外卖员