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What languages are Windows, Mac OS X and Linux written in?
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Windows: C++, kernel is in C
Mac: Objective C, kernel is in C (IO PnP subsystem is Embedded C++)
Linux: Most things are in C, many userland apps are in Python, KDE is all C++
All kernels will use some assembly code as well.
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Naming convention - underscore in C++ and C# variables
...erson. Here's how I understand them for the two languages in question:
In C++, an underscore usually indicates a private member variable.
In C#, I usually see it used only when defining the underlying private member variable for a public property. Other private member variables would not have an u...
AngularJS ng-style with a conditional expression
...{'background-color':'green'} || {'background-color': 'blue'}" style="width:200px;height:100px;border:1px solid gray;"></div>
{'background-color':'green'} RETURN true
OR the same result:
<div ng-style="isTrue && {'background-color':'green'}" style="width:200px;height:100px;bo...
Read error response body in Java
...is higher than 400.
More than this, please be careful since it's not only 200 to be the success status code, even 201, 204, etc. are often used as success statuses.
Here is an example of how I went to manage it
... connection code code code ...
// Get the response code
int statusCode = connect...
Why does C# not provide the C++ style 'friend' keyword? [closed]
The C++ friend keyword allows a class A to designate class B as its friend. This allows Class B to access the private / protected members of class A .
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How to replace all strings to numbers contained in each string in Notepad++?
...ou want to match each of the following lines
value="4"
value="403"
value="200"
value="201"
value="116"
value="15"
using the .*"\d+" pattern and want to keep only the number. You can then use a capture group in your matching pattern, using parentheses ( and ), like that: .*"(\d+)". So now in your ...
Converting bool to text in C++
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How about using the C++ language itself?
bool t = true;
bool f = false;
std::cout << std::noboolalpha << t << " == " << std::boolalpha << t << std::endl;
std::cout << std::noboolalpha << f...
C++ template中typename和class的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ template中typename和class的区别历史原因，以前是用class，后来C++ Standard 出现后，引入了typename, 所以他们是一样的。但是，又有一些微妙的不同，因为有时候，你不得不使用typename。历史原因，以前是用class，后来C++ Standard 出现...
How fast is D compared to C++?
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You are losing features which C++ never had. Most languages don't give you a choice.
– Vladimir Panteleev
Feb 28 '11 at 13:45
6
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C++ equivalent of StringBuffer/StringBuilder?
Is there a C++ Standard Template Library class that provides efficient string concatenation functionality, similar to C#'s StringBuilder or Java's StringBuffer ?
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