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static const vs #define
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properly scoped / identifier clash issues handled nicely, particularly in C++11 enum classes where the enumerations for enum class X are disambiguated by the scope X::
strongly typed, but to a big-enough signed-or-unsigned int size over which you have no control in C++03 (though you can specify a b...
LPCSTR, LPCTSTR and LPTSTR
...bit they are all pointers.
This is a great codeproject article describing C++ strings (see 2/3 the way down for a chart comparing the different types)
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Benefits of using the conditional ?: (ternary) operator
...ession" doesn't really explain why that is so useful...
In languages like C++ and C#, you can define local readonly fields (within a method body) using them. This is not possible with a conventional if/then statement because the value of a readonly field has to be assigned within that single statem...
When to use dynamic vs. static libraries
When creating a class library in C++, you can choose between dynamic ( .dll , .so ) and static ( .lib , .a ) libraries. What is the difference between them and when is it appropriate to use which?
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How do you make a HTTP request with C++?
Is there any way to easily make a HTTP request with C++? Specifically, I want to download the contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
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How to view the assembly behind the code using Visual C++?
...e several approaches:
You can normally see assembly code while debugging C++ in visual studio (and eclipse too). For this in Visual Studio put a breakpoint on code in question and when debugger hits it rigth click and find "Go To Assembly" ( or press CTRL+ALT+D )
Second approach is to generate ass...
Why does dividing two int not yield the right value when assigned to double?
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Since the question is tagged C++ I would prefer to see static_cast<> rather than a C cast.
– Martin York
Sep 27 '11 at 15:41
16
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Why is address zero used for the null pointer?
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use ...
“#include” a text file in a C program as a char[]
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The question was about C but in case someone tries to do it with C++11 then it can be done with only little changes to the included text file thanks to the new raw string literals:
In C++ do this:
const char *s =
#include "test.txt"
;
In the text file do this:
R"(Line 1
Line 2
Line 3
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Why and when to use Node.js? [duplicate]
...ough I've never profiled a Node.js implementation next to, say, a matching C++ implementation).
I want to get active in the community (which is apparently growing quite rapidly).
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