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【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...
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...
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...
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, ...
NSRange to Range
...
juancazalla
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answered Oct 22 '14 at 21:46
Alex PretzlavAlex Pretzlav
15....
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') # ...
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 ...
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...
RGB to hex and hex to RGB
...d zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : hex;
}
function rgbToHex(r, g, b) {
return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(rgbToHex(0, 51, 255)); // #0033ff
Converting t...
What is a “surrogate pair” in Java?
...to a means of encoding Unicode characters with high code-points in the UTF-16 encoding scheme.
In the Unicode character encoding, characters are mapped to values between 0x0 and 0x10FFFF.
Internally, Java uses the UTF-16 encoding scheme to store strings of Unicode text. In UTF-16, 16-bit (two-byte...