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What's the scope of the “using” declaration in C++?
I'm using the 'using' declaration in C++ to add std::string and std::vector to the local namespace (to save typing unnecessary 'std::'s).
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How to install PyQt4 on Windows using pip?
...ns python 3.5, etc.
Since Qt is a more complicated system with a compiled C++ codebase underlying the python interface it provides you, it can be more complex to build than just a pure python code package, which means it can be hard to install it from source.
Make sure you grab the correct Windows...
How to solve the error LNK2019: unresolved external symbol - function?
...
This method solved similar issues occurred trying to add c++ lib to a CLI project.
– Deshan
Mar 16 '19 at 6:58
add a comment
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How do I concatenate two arrays in C#?
...e only functional purpose for using arrays is for Interop calls (Unmanaged C++).
– Levi Fuller
Oct 26 '15 at 22:40
1
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Printing hexadecimal characters in C
... character types (int8_t, etc) are defined in the header <cinttypes>(C++) or <inttypes.h> (C) (although PRIdMAX, PRIuMAX, etc is synonymous with %jd, %ju, etc).
As for his point about signed vs unsigned, in this case it does not matter since the values must always be positive and easily...
What is the difference between Type and Class?
... and objects of different classes can
have the same type.
//example in c++
template<typename T>
const T & max(T const & a,T const &b)
{
return a>b?a:b; //> operator of the type is used for comparison
}
max function requires a type with operation > with its own type...
“var” or no “var” in JavaScript's “for-in” loop?
...
is a commonly seen pattern but it's different from
for(int i; ...)
in C++ in that that the variable isn't scoped to the for block. In fact, the var gets hoisted to the top of the enclosing scope (function) so a local i will be effectively available both before the for loop (after the beginning...
GoogleTest: How to skip a test?
Using Google Test 1.6 (Windows 7, Visual Studio C++). How can I turn off a given test? (aka how can I prevent a test from running). Is there anything I can do besides commenting out the whole test?
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Is there a point to minifying PHP?
...acebook introduced a compiler named HipHop that transforms PHP source into C++ code. Rasmus Lerdorf, one of the big PHP guys did a presentation for Digg earlier this year that covers the performance improvements given by HipHop. In short, it's not too much faster than optimizing code and using a b...
When should I make explicit use of the `this` pointer?
...of code. Such as:
Student st;
st.SetAge (21).SetGender (male).SetClass ("C++ 101");
Some consider this consise, others consider it an abomination. Count me in the latter group.
3) No Alternative: To resolve names in dependant types. This comes up when using templates, as in this example:
#in...