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https://bbs.tsingfun.com/thread-1393-1-1.html 

【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛,有思想、有深度

...假设有设备A和设备B,设备A要把自己的电量状态83%(十六进制表示为0x53)发给设备B,该怎么做呢?作为一个开发者,他希望越简单越好,对他而言,他希望调用一个简单的API就能完成这件事,比如send(0x53),实际上我们的BLE协议...
https://www.tsingfun.com/ilife/tech/545.html 

2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术

...余达到高可靠性。并且非常灵活,可以使用各种data,二进制,文档型,记录型。使用各种形式(结构化,半结构化,非结构化所谓的schemaless),在按需计算上也是个技巧。 围绕在Hadoop周围的有哪些公司和产品? 到Hadoop一般...
https://www.tsingfun.com/it/cpp/2155.html 

【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...

...的框架结构很有好处。 常用类 CArchive类:用于二进制保存档案 CBitmap类:封装Windows的图形设备接口(GDI)位图 CBrush类:封装图形设备接口(GDI)中的画刷 CButton类:提供Windows按钮控件的功能 CByteArray类:该类支持动态的...
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传感器组件 · App Inventor 2 中文网

...大范围 确定传感器的最大范围。一些距离传感器返回二进制值代表“近”或“远”,在这种情况下,传感器通常会报告它在远距离状态下的最大范围值 和 近距离状态下较小的值。 通常,远值是 > 5 cm 的值,但不同的传感器可...
https://www.tsingfun.com/it/os_kernel/658.html 

手握利器,直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...

...为0x000000D1,四个参数为后面括号内的用逗号分隔的四段16进制数字;接下来,我们来看看图中用数字2标注的区域,这里显示的是该停止代码0x000000D1对应的英文解释;最后,我们看看图中用数字3标注的区域,这个区域当且仅当停...
https://www.tsingfun.com/it/tech/2063.html 

Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...: 可以看到,Navigate方法的id为0x00000068,转化为十进制就是104,而它需要的参数第一个是一个字符串,其它的都是可选的,因此,我们可以这样调用它的方法: Variant url = new Variant("http://www.blogjava.net/"); automation.invoke(104, ...
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NSRange to Range

... juancazalla 9461010 silver badges1616 bronze badges answered Oct 22 '14 at 21:46 Alex PretzlavAlex Pretzlav 15....
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u'\ufeff' in Python string

...BOM, and is used to tell the difference between big- and little-endian UTF-16 encoding. If you decode the web page using the right codec, Python will remove it for you. Examples: #!python2 #coding: utf8 u = u'ABC' e8 = u.encode('utf-8') # encode without BOM e8s = u.encode('utf-8-sig') # ...
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How many bytes does one Unicode character take?

...s information. Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, which means an individual codepoint fits comfortably into a codeunit. The ...
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What do numbers using 0x notation mean?

... Literals that start with 0x are hexadecimal integers. (base 16) The number 0x6400 is 25600. 6 * 16^3 + 4 * 16^2 = 25600 For an example including letters (also used in hexadecimal notation where A = 10, B = 11 ... F = 15) The number 0x6BF0 is 27632. 6 * 16^3 + 11 * 16^2 + 15 * 16...