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What exactly does stringstream do?
I am trying to learn C++ since yesterday and I am using this document: http://www.cplusplus.com/files/tutorial.pdf (page 32) . I found a code in the document and I ran it. I tried inputting Rs 5.5 for price and an integer for quantity and the output was 0.
I tried inputting 5.5 and 6 and the output...
How to return smart pointers (shared_ptr), by reference or by value?
...uire something */);
};
This is a dead-obvious RVO opportunity for modern C++ compilers. I know for a fact that Visual C++ compilers implement RVO even when all optimizations are turned off. And with C++11's move semantics, this concern is even less relevant. (But the only way to be sure is to prof...
Smooth GPS data
...d approach and works well. There is a KFilter library available which is a C++ implementation.
My next fallback would be least squares fit. A Kalman filter will smooth the data taking velocities into account, whereas a least squares fit approach will just use positional information. Still, it is d...
Nodejs Event Loop
...e node.js is that v8 loop runs and handles all javascript parts as well as C++ modules [ when they are running in a main thread ( as per official documentation node.js itself is single threaded) ]. When outside of the main thread, libev and libeio handle it in the thread pool and libev provide the i...
How do I convert between big-endian and little-endian values in C++?
How do I convert between big-endian and little-endian values in C++?
31 Answers
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Are there benefits of passing by pointer over passing by reference in C++?
What are the benefits of passing by pointer over passing by reference in C++?
7 Answers
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What is the current choice for doing RPC in Python? [closed]
...ike current Ubuntu, Debian or Fedora. Datatype changes under the hood make C++ usage a mess of #ifdefs, and in the 12 years of existence, they've not managed to convince themselves their software is ready for a 1.0.0 release. I like the massive amount of languages supported, but I think that's their...
Default value of function parameter
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In C++ the requirements imposed on default arguments with regard to their location in parameter list are as follows:
Default argument for a given parameter has to be specified no more than once. Specifying it more than once (...
Error message “No exports were found that match the constraint contract name”
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i cant open my c++ files after delete all in that folder, when i restore these files except Microsoft.VisualStudio.Default.cache, then reopen my solution then everything back to normal.
– Scott 混合理论
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In which language are the Java compiler and JVM written?
... in Java, although methods marked as native will have been written in C or C++.
I believe that the Java compiler provided by Sun is also written in Java. (Although again, there are multiple compilers out there)
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