What is the best way to concatenate two vectors?
I’m using multitreading and want to merge the results. For example: std::vector<int> A; std::vector<int> B; std::vector<int> AB; I want AB to have to … Read more
I’m using multitreading and want to merge the results. For example: std::vector<int> A; std::vector<int> B; std::vector<int> AB; I want AB to have to … Read more
I want to examine the contents of a std::vector in GDB, how do I do it? Let’s say it’s a std::vector<int> for the … Read more
So, I wrote a bunch of code that accesses elements in an stl vector by index[], but now I need to copy just … Read more
I’ve always thought it’s the general wisdom that std::vector is “implemented as an array,” blah blah blah. Today I went down and tested … Read more
I have found an interesting performance regression in a small C++ snippet, when I enable C++11: #include <vector> struct Item { int a; … Read more
In our C++ course they suggest not to use C++ arrays on new projects anymore. As far as I know Stroustroup himself suggests … Read more
This question already has answers here: how does multiplication differ for NumPy Matrix vs Array classes? (8 answers) Closed 8 years ago. When … Read more
I have to split a vector into n chunks of equal size in R. I couldn’t find any base function to do that. … Read more
I noticed in Effective STL that vector is the type of sequence that should be used by default. What’s does it mean? It … Read more
What are the good ways of finding the sum of all the elements in a std::vector? Suppose I have a vector std::vector<int> vector … Read more