c++ Programming Glossary: vectors
Most efficient way to erase duplicates and sort a c++ vector? http://stackoverflow.com/questions/1041620/most-efficient-way-to-erase-duplicates-and-sort-a-c-vector set might be a good idea here. Even if you're stuck using vectors if you have enough duplicates you might be better off creating..
reduce the capacity of an stl vector http://stackoverflow.com/questions/1111078/reduce-the-capacity-of-an-stl-vector knowing their number beforehand and when this finishes the vectors are used only for read operations. I guess I could create a..
Why use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices only if vector.size is a fast operation. This is true for vectors but not for lists for example. Also what are you planning to..
What are some uses of template template parameters in C++? http://stackoverflow.com/questions/213761/what-are-some-uses-of-template-template-parameters-in-c which can create variables of the right type for the vectors elements This would have worked. template template class class..
How to convert vector to array C++ [closed] http://stackoverflow.com/questions/2923272/how-to-convert-vector-to-array-c fairly simple trick to do so since the spec now guarantees vectors store their elements contiguously std vector double v double..
What C++ pitfalls should I avoid? [closed] http://stackoverflow.com/questions/30373/what-c-pitfalls-should-i-avoid should I avoid closed I remember first learning about vectors in the STL and after some time I wanted to use a vector of bools..
Using arrays or std::vectors in C++, what's the performance gap? http://stackoverflow.com/questions/381621/using-arrays-or-stdvectors-in-c-whats-the-performance-gap arrays or std vectors in C what's the performance gap In our C course they suggest.. basic indexing dereferencing and increment operations on vectors and arrays pointers. Assembly code was generated by gcc 4.1.0..
STL vector and thread-safety http://stackoverflow.com/questions/4346742/stl-vector-and-thread-safety in this case are there any performant known and lock free vectors c multithreading stl vector thread safety share improve this..
How can I create cartesian product of vector of vectors? http://stackoverflow.com/questions/5279051/how-can-i-create-cartesian-product-of-vector-of-vectors can I create cartesian product of vector of vectors I've a vector of vectors say vector vector int items of different.. cartesian product of vector of vectors I've a vector of vectors say vector vector int items of different sizes like as follows.. create combinations in terms of cartesian product of these vectors like 1 4 6 1 4 7 1 4 8 and so on till 3 5 8 How can I do that..
std::vector, default construction, C++11 and breaking changes http://stackoverflow.com/questions/5759232/stdvector-default-construction-c11-and-breaking-changes impl p_impl The fun appears when you try to put those into vectors in the following way std vector S v 42 Now with MSVC 8 at least..
Exporting classes containing std:: objects (vector, map, etc) from a dll http://stackoverflow.com/questions/767579/exporting-classes-containing-std-objects-vector-map-etc-from-a-dll export classes from a DLL that contain objects such as std vectors and std stings the whole class is declared as dll export through..
Square detection doesn't find squares http://stackoverflow.com/questions/7731742/square-detection-doesnt-find-squares Demo helper function finds a cosine of angle between vectors from pt0 pt1 and from pt0 pt2 double angle Point pt1 Point pt2..
Executing cv::warpPerspective for a fake deskewing on a set of cv::Point http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint is corner order. They must be in the same order in both vectors. So if in the first vector your order is top left bottom left..
Custom Iterator in C++ http://stackoverflow.com/questions/839958/custom-iterator-in-c a good Iterator to traverse all the items contained in the vectors of the m_Items member variable. c stl iterator share improve..
C++ auto_ptr for arrays http://stackoverflow.com/questions/1044785/c-auto-ptr-for-arrays vector 0 instead. Additional If someone is asking if the Vectors are guaranteed to be contiguous the answer is Yes since C 03..
C++ Array vs Vector performance test explanation [closed] http://stackoverflow.com/questions/10887668/c-array-vs-vector-performance-test-explanation the difference in performance of a C like array and Vectors in C I wrote this little program. https github.com rajatkhanduja..
Glew problems, unresolved externals http://stackoverflow.com/questions/11059971/glew-problems-unresolved-externals 1.0f 1.0f 0.0f GLfloat mat_shininess 1.0f typedef struct Vectors float x float y float z Vector typedef struct Polys Vector v..
TMP: how to generalize a Cartesian Product of Vectors? http://stackoverflow.com/questions/13813007/tmp-how-to-generalize-a-cartesian-product-of-vectors how to generalize a Cartesian Product of Vectors There is an excellent C solution actually 2 solutions a recursive..
Vectors and polymorphism in C++ http://stackoverflow.com/questions/16126578/vectors-and-polymorphism-in-c and polymorphism in C I have a tricky situation. Its simplified..
Howto create combinations of several vectors without hardcoding loops in C++? http://stackoverflow.com/questions/1700079/howto-create-combinations-of-several-vectors-without-hardcoding-loops-in-c of mine does that by hardcoding the loops. Since number of Vectors can be varied we need a flexible way to get the same result... Is there any This code of mine can only handle up to 3 Vectors hardcoded #include iostream #include vector #include fstream..
Concatenating Two STL Vectors http://stackoverflow.com/questions/201718/concatenating-two-stl-vectors Two STL Vectors How do I concatenate two STL Vectors c stl vector concatenation.. Two STL Vectors How do I concatenate two STL Vectors c stl vector concatenation share improve this question ..
Pointers to elements of std::vector and std::list http://stackoverflow.com/questions/3287801/pointers-to-elements-of-stdvector-and-stdlist c stl pointers stdvector share improve this question Vectors No. Because the capacity of vectors never shrinks it is guaranteed..
What do I need to do before deleting elements in a vector of pointers to dynamically allocated objects? http://stackoverflow.com/questions/4061438/what-do-i-need-to-do-before-deleting-elements-in-a-vector-of-pointers-to-dynamic memory leaks vector share improve this question Yes Vectors are implemented using template memory allocators that take care..
When do you prefer using std::list<T> instead of std::vector<T>? http://stackoverflow.com/questions/5056973/when-do-you-prefer-using-stdlistt-instead-of-stdvectort in the middle vectors are better for inserting at the end. Vectors are also better for accessing elements. This is an artefact..
About Vectors growth http://stackoverflow.com/questions/5232198/about-vectors-growth Vectors growth Had been going through the Book C Primer Third Edition..
Vectors, structs and std::find http://stackoverflow.com/questions/589985/vectors-structs-and-stdfind structs and std find Again me with vectors. I hope I'm not..
C++ STL vector vs array in the real world http://stackoverflow.com/questions/6462985/c-stl-vector-vs-array-in-the-real-world should I use a vector instead of an array A Almost always. Vectors are efficient and flexible. They do require a little more memory..
Heap vs Stack allocation http://stackoverflow.com/questions/6713637/heap-vs-stack-allocation 100 Vector v new Vector 100 You allocated an array of 100 Vectors on the heap and got a pointer to its start location v. Delete..
Boost, Shared Memory and Vectors http://stackoverflow.com/questions/783623/boost-shared-memory-and-vectors Shared Memory and Vectors I need to share a stack of strings between processes possibly..
SWIG (v1.3.29) generated C++ to Java Vector class not acting properly http://stackoverflow.com/questions/8145605/swig-v1-3-29-generated-c-to-java-vector-class-not-acting-properly to using java.util.Vector . My real issue is that the Vectors that get returned from these functions do not seem to work... properly with me being able to receive and manipulate the Vectors . Any helps tips would be much appreciated. java c vector jni..
Vectors in Arduino http://stackoverflow.com/questions/9986591/vectors-in-arduino in Arduino I am making a vector of waypoints on the Arduino...
|