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How to use Greek symbols in ggplot2?
.... Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it?
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Case insensitive access for generic dictionary
...r);
Or create a new case-insensitive dictionary with the contents of an existing case-sensitive dictionary (if you're sure there are no case collisions):-
var oldDictionary = ...;
var comparer = StringComparer.OrdinalIgnoreCase;
var newDictionary = new Dictionary<string, int>(oldDictionary,...
In pure functional languages, is there an algorithm to get the inverse function?
...t do it though and none of the functional languages have that option. For example:
f :: a -> Int
f _ = 1
This function does not have an inverse.
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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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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...
Curl GET request with json parameter
..." 'server:5050/a/c/getName{"param0":"pradeep"}'
use option -i instead of x.
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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...
check if a std::vector contains a certain object? [duplicate]
...check if a std:: container contains something? Or, a way to make one, for example:
3 Answers
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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
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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...