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C# How can I check if a URL exists/is valid?
I am making a simple program in visual c# 2005 that looks up a stock symbol on Yahoo! Finance, downloads the historical data, and then plots the price history for the specified ticker symbol.
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Nested function in C
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I mention this as many people coding in C are now using C++ compilers (such as Visual C++ and Keil uVision) to do it, so you may be able to make use of this...
Although not yet permitted in C, if you're using C++, you can achieve the same effect with the lambda functions introduc...
How do you append an int to a string in C++? [duplicate]
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With C++11, you can write:
#include <string> // to use std::string, std::to_string() and "+" operator acting on strings
int i = 4;
std::string text = "Player ";
text += std::to_string(i);
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Is there a way to specify how many characters of a string to print out using printf()?
...8 chars: %.8s\n", "A string that is more than 8 chars");
If you're using C++, you can achieve the same result using the STL:
using namespace std; // for clarity
string s("A string that is more than 8 chars");
cout << "Here are the first 8 chars: ";
copy(s.begin(), s.begin() + 8, ostream_ite...
What is the difference between Int and Integer?
... answered May 16 '14 at 21:28
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Unresolved external symbol on static class members
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If you are using C++ 17 you can just use the inline specifier (see https://stackoverflow.com/a/11711082/55721)
If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y
unsigned char test...
Type erasure techniques
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All type erasure techniques in C++ are done with function pointers (for behaviour) and void* (for data). The "different" methods simply differ in the way they add semantic sugar. Virtual functions, e.g., are just semantic sugar for
struct Class {
stru...
NodeJS - Error installing with NPM
... So when i install it on a linux box. What do i do in place of ms vc++? And i get this when i did all the things u mentioned. - pastebin.com/LgJEKFFS
– Shaurya Chaudhuri
Jan 26 '14 at 17:37
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Why isn't std::initializer_list a language built-in?
It seems to me that it's quite an important feature of C++11 and yet it doesn't have its own reserved keyword (or something alike).
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How to make an ImageView with rounded corners?
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It takes nearly 0.03 second to do that for a 200*200 picture, so I do think that's not best solution.
– LiangWang
Aug 7 '13 at 20:56
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