大约有 3,000 项符合查询结果（耗时：0.0146秒） [XML]
What is the iBeacon Bluetooth Profile
...E0, major 0, minor 0, and calibrated Tx Power of -59 RSSI, the transmitted BLE advertisement packet looks like this:
d6 be 89 8e 40 24 05 a2 17 6e 3d 71 02 01 1a 1a ff 4c 00 02 15 e2 c5 6d b5 df fb 48 d2 b0 60 d0 f5 a7 10 96 e0 00 00 00 00 c5 52 ab 8d 38 a5
This packet can be broken down as follow...
Why do we use Base64?
... answered Aug 21 '10 at 15:25
Håvard SHåvard S
20.4k55 gold badges5555 silver badges6767 bronze badges
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Extract subset of key-value pairs from Python dictionary object?
...works in 2.7 too):
{k: bigdict[k] for k in ('l', 'm', 'n')}
Update: As Håvard S points out, I'm assuming that you know the keys are going to be in the dictionary - see his answer if you aren't able to make that assumption. Alternatively, as timbo points out in the comments, if you want a key tha...
Convert pandas dataframe to NumPy array
...ed Mar 13 '19 at 14:09
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Jul 17 '14 at 1:13
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CSS Font Border?
...hird argument in order to have no blur at all.
– François Feugeas
Jun 21 '11 at 15:02
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Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...这些问题，HandlerSocket项目是个不错的解决方案，它通过插件的方式赋予MySQL完整的NoSQL功能，从原理上讲，它跳过MySQL中最耗时的语法解析，查询计划等步骤，直接读取数据，如果内存够大，能装下索引，MySQL的查询效率能提高若...
How to create a temporary directory/folder in Java?
...Path + ".d"); temp.mkdir(); ..., temp.delete();.
– Xiè Jìléi
Jan 11 '11 at 3:04
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What is the most efficient way to loop through dataframes with pandas? [duplicate]
...ld be marked as the best answer.
– Zoé De La Jarretière
Apr 2 at 3:59
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App Inventor 2 蓝牙客户端，设备列表为空？ - 创客硬件开发 - 清泛IT社区...
...需要先和经典蓝牙设备配对成功才能显示在列表中，而 ble低功耗则是即时连接的。
这里要注意，经典蓝牙 spp 使用蓝牙客户端组件，用的是列表显示框.元素列表（列表类型数据）；而 ble 低功耗蓝牙使用 bluetoothle 拓展，用列...