大约有 1,000 项符合查询结果(耗时:0.0080秒) [XML]

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Linux 网卡速率(百兆/千兆)的查看及调整 - 操作系统(内核) - 清泛网 - 专...

...到一个奇怪的问题,程序运行过程中网卡打满,导致服务通信全部超时,程序需要在局域网中的通信流量较大,机器是千兆网卡。但通过监控查看实际网速只到了100Mbps,通过查看网 最近遇到一个奇怪的问题,程序运行过程中...
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低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别 - App Inventor 2 中文网 - 清泛...

...能更合适。看连接距离需求:如果你需要在较远距离进行通信,经典蓝牙通常具备更广泛的连接范围。而如果通信是在相对较短的距离内进行,BLE可能是个更好的选择。 综上所述,BLE和SPP是两种不同的蓝牙通信协议,它们在功...
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How many files can I put in a directory?

...ld answer, I know… but when you write EXT4 – Maximum number of files: 2³² - 1 (4,294,967,295) and Maximum number of files per directory: unlimited you really confused me because 2³² - 1 != “unlimited”. I guess I need a coffee now. ;) Nevertheless +1 – e-sushi ...
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DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”

... answered Sep 2 '15 at 8:06 Håkon SeljåsenHåkon Seljåsen 46744 silver badges1212 bronze badges ...
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Difference between single and double square brackets in Bash

...d1 && cmd2 [ a = a -a b = b ]: equivalent, but deprecated by POSIX³ [ a = a ] && [ b = b ]: POSIX and reliable equivalent ( [[ (a = a || a = b) && a = b ]]: false [ ( a = a ) ]: syntax error, () is interpreted as a subshell [ \( a = a -o a = b \) -a a = b ]: equivalent, ...
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由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...概有这些,a)被调用方的结果返回,会涉及进程线程间通信的问题。b)如果程序需要回滚,回滚会有点复杂。c)异步通常都会伴随多线程多进程,并发的控制也相对麻烦一些。d)很多异步系统都用消息机制,消息的丢失和乱...
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micro:bit 微控制器教程 · App Inventor 2 中文网

... 1. 机器人控制 2. 传感器数据监控 3. 双向通信 常见问题 Q: 扫描不到 micro:bit 设备? Q: 连接失败? Q: 无法接收温度数据? Q: 控制指令无效? ...
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Difference between InvariantCulture and Ordinal string comparison

...iosyncrasies out there. Ordinal 0 9 A Ab a aB aa ab ss Ä Äb ß ä äb ぁ あ ァ ア 亜 A IgnoreCase 0 9 a A aa ab Ab aB ss ä Ä äb Äb ß ぁ あ ァ ア 亜 A -------------------------------------------------------------------- InvariantCulture 0 9 a A A ä Ä aa ab aB ...
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In C# check that filename is *possibly* valid (not that it exists) [duplicate]

... edited Apr 30 '17 at 0:51 buræquete 12.5k44 gold badges3131 silver badges6262 bronze badges answered Jan 7 '09 at 21:11 ...
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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区,为创新赋能!

广播和扫描在无线通信中是非常重要的一个技术点。在BLE中,扫描和广播是通信的基础,用户可以直接用扫描和广播进行数据的传输(数据量不大,功耗要求较高的情况下),也可以在广播和扫描的基础上进行连接后点对点通信...