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Unresolved external symbol on static class members
...e C++ standard, you must add the definitions to match your declarations of X and Y
unsigned char test::X;
unsigned char test::Y;
somewhere. You might want to also initialize a static member
unsigned char test::X = 4;
and again, you do that in the definition (usually in a CXX file) not in the decl...
How to properly compare two Integers in Java?
I know that if you compare a boxed primitive Integer with a constant such as:
10 Answers
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Subscript and Superscript a String in Android
...rint a string with a subscript or superscript? Can you do this without an external library? I want this to display in a TextView in Android.
...
Why are floating point numbers inaccurate?
...ing point numbers are represented a lot like scientific notation: with an exponent and a mantissa (also called the significand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is i...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...s "SetWindowPos" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
虽然参数很多，但实际用起来很简单。hwnd是窗口的句柄，x、y、cx、cy分别是窗口的x和y坐标、宽...
How can I install Apache Ant on Mac OS X?
I tried to install Apache Ant on my Mac and I followed the next steps :
8 Answers
8
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What is the purpose of the var keyword and when should I use it (or omit it)?
What exactly is the function of the var keyword in JavaScript, and what is the difference between
19 Answers
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Convert decimal to hexadecimal in UNIX shell script
In a UNIX shell script, what can I use to convert decimal numbers into hexadecimal? I thought od would do the trick, but it's not realizing I'm feeding it ASCII representations of numbers.
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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...o be distinct from any other invocation of this
constructor.
could be extended by "across threads" and "uncorrelated"
Seed Sequence Quality
But the randomness of the seeding sequence is only as good as the underlying RNG.
The RNG used for the seed sequence in this java implementation uses a m...
Reasons for using the set.seed function
...
The need is the possible desire for reproducible results, which may for example come from trying to debug your program, or of course from trying to redo what it does:
These two results we will "never" reproduce as I just asked for something "random":
R> sample(LETTERS, 5)
[1] "K" "N" "R" "Z" ...