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c++ Programming Glossary: datatypeSeeking and reading large files in a Linux C++ application http://stackoverflow.com/questions/1035657/seeking-and-reading-large-files-in-a-linux-c-application websites seem to reference using lseek with the off64_t datatype but I have not found any examples referencing something equal..
C++ : why bool is 8 bits long? http://stackoverflow.com/questions/2064550/c-why-bool-is-8-bits-long
http://stackoverflow.com/questions/2633400/c-c-efficient-bit-array those are not very clean when array length is greater than datatype length. std vector bool is not available for me. thanks c c..
Why is address zero used for null pointer? http://stackoverflow.com/questions/2759845/why-is-address-zero-used-for-null-pointer just wasted. If any number is always representable by a datatype it's 0. Probably 1 is too I think of the one bit integer which..
http://stackoverflow.com/questions/285723/c-for-a-c-sharp-developer on strings std string uses char which is a single byte datatype. That is it is not suitable for unicode text. C provides the..
Is 'bool' a basic datatype in C++? http://stackoverflow.com/questions/356726/is-bool-a-basic-datatype-in-c 'bool' a basic datatype in C I got this doubt while writing some code. Is 'bool' a.. got this doubt while writing some code. Is 'bool' a basic datatype defined in the C standard or is it some sort of extension provided.. c share improve this question bool is a fundamental datatype in C . Converting true to an integer type will yield 1 and converting..
Best way to extract a subvector from a vector? http://stackoverflow.com/questions/421573/best-way-to-extract-a-subvector-from-a-vector be done efficiently with a vector is there another STL datatype that I should use instead c stl vector range share improve..
What's the difference between size_t and int in C++? http://stackoverflow.com/questions/502856/whats-the-difference-between-size-t-and-int-in-c Wikipedia The stdlib.h and stddef.h header files define a datatype called size_t which is used to represent the size of an object...
Why doesn't java support pass by reference like C++ http://stackoverflow.com/questions/5298421/why-doesnt-java-support-pass-by-reference-like-c reference like C I have read every where that primitive datatype and object references are passed by value I have tried searching.. find any reason behind it . Why can't you pass primitive datatype by reference Edit Most of the people have closed my question..
Iterators in C++ (stl) vs Java, is there a conceptual difference? http://stackoverflow.com/questions/56347/iterators-in-c-stl-vs-java-is-there-a-conceptual-difference C standard template library iterators seem to represent a datatype or class the supports the operator and operator but has no concept..
Implementing comparision operators via 'tuple' and 'tie', a good idea? http://stackoverflow.com/questions/6218812/implementing-comparision-operators-via-tuple-and-tie-a-good-idea a std pair as all important stuff is already done for that datatype like operator for strict weak ordering. The downsides though..
http://stackoverflow.com/questions/6642865/getline-not-asking-for-input and only use getline then convert your strings to whatever datatype you need. This has a side effect of making your code more safe..
Emulate “double” using 2 “float”s http://stackoverflow.com/questions/6769881/emulate-double-using-2-floats addition and comparison. I am trying to emulate double datatype using a tuple of two floats. So a double d will be emulated..
Functions with return values (C++) http://stackoverflow.com/questions/7376554/functions-with-return-values-c main calls a function which has a return value of some datatype primitive or user defined the statement in which the function..
http://stackoverflow.com/questions/740577/sizeof-a-union-in-c-c the sizeof the union in C C Is it the sizeof the largest datatype inside it If so how does the compiler calculate how to move.. how to move the stack pointer if one of the smaller datatype of the union is active c c sizeof unions share improve this..
How to open an std::fstream (ofstream or ifstream) with a unicode filename? http://stackoverflow.com/questions/821873/how-to-open-an-stdfstream-ofstream-or-ifstream-with-a-unicode-filename direct support for UTF 8 in the standard library the char datatype is not unicode on Windows With MSVC and thus the Microsoft STL..
Boolean expression (grammar) parser in c++ http://stackoverflow.com/questions/8706356/boolean-expression-grammar-parser-in-c a statically compiled parser with strongly typed AST datatype in roughly 50 lines of code. Things could be considerably worse...
Converting a row of cv::Mat to std::vector http://stackoverflow.com/questions/9790124/converting-a-row-of-cvmat-to-stdvector vector The cv Mat contains doubles it can be any simple datatype for the purpose of the question . Going through OpenCV documentation..
Removing duplicates from a DoublyLinkedList C++ http://stackoverflow.com/questions/16126160/removing-duplicates-from-a-doublylinkedlist-c Duplicates void RemoveDuplicates DoublyLinkedListIterator Datatype m_itr string searchByFirstName string searchBySecondName for.. m_itr.Item Remove void Remove DoublyLinkedListIterator Datatype m_itr query.clock1 DoublyLinkedListNode Datatype node m_head.. Datatype m_itr query.clock1 DoublyLinkedListNode Datatype node m_head Check to see if the iterator belongs to this list..
Circular Inclusion with Templates http://stackoverflow.com/questions/5467785/circular-inclusion-with-templates #define MYFILE_H_INCLUDED template typename Datatype class MyClass public void MyMethod #include MyFile.cpp #endif.. MYFILE_CPP_INCLUDED #include MyFile.h template typename Datatype void MyClass Datatype MyMethod ... #endif The definitions of.. #include MyFile.h template typename Datatype void MyClass Datatype MyMethod ... #endif The definitions of other methods and functions..
Is uninitialized data behavior well specified? http://stackoverflow.com/questions/6824488/is-uninitialized-data-behavior-well-specified get initialized to zero because it is a POD or Plain Old Datatype or something like that but I guess not So far so good. Case..
How are function pointers type unsafe http://stackoverflow.com/questions/10237847/how-are-function-pointers-type-unsafe The code only compiles for SortElements MyArray 10 sizeof DataType MySortAsc Compiles SortElements MyArray 10 sizeof DataType MyFunct2.. DataType MySortAsc Compiles SortElements MyArray 10 sizeof DataType MyFunct2 Fails Any idea how can I mis use function pointers..
OpenCV C++ usage of cv::Moments http://stackoverflow.com/questions/10942742/opencv-c-usage-of-cvmoments in unit d n k number_of_features i cv Mat x k 1 cv DataType cv Point2f type k 0 for int j 0 j number_of_features j if i..
cv::Mat conversion to Eigen-Matrix and back http://stackoverflow.com/questions/16451111/cvmat-conversion-to-eigen-matrix-and-back if src.Flags Eigen RowMajorBit Mat _src src.cols src.rows DataType _Tp type void src.data src.stride sizeof _Tp transpose _src.. _Tp transpose _src dst else Mat _src src.rows src.cols DataType _Tp type void src.data src.stride sizeof _Tp _src.copyTo dst.. if dst.Flags Eigen RowMajorBit Mat _dst src.cols src.rows DataType _Tp type dst.data size_t dst.stride sizeof _Tp if src.type..
Creating an array initializer from a tuple or variadic template parameters http://stackoverflow.com/questions/18251815/creating-an-array-initializer-from-a-tuple-or-variadic-template-parameters to a particular data type and offset template typename DataType typename ItemIdType struct DataItemDesc public DataItemDescBase.. DataItemDesc public DataItemDescBase ItemIdType typedef DataType DataTypeSpec DataItemDesc ItemIdType id_ std size_t offset_.. public DataItemDescBase ItemIdType typedef DataType DataTypeSpec DataItemDesc ItemIdType id_ std size_t offset_ 0 DataItemDescBase..
C: Where is union practically used? http://stackoverflow.com/questions/1951269/c-where-is-union-practically-used when parsing text. I use something like this typedef enum DataType INTEGER FLOAT_POINT STRING DataType typedef union DataValue.. like this typedef enum DataType INTEGER FLOAT_POINT STRING DataType typedef union DataValue int v_int float v_float char v_string.. v_float char v_string DataValue typedef struct DataNode DataType type DataValue value void myfunct long long temp DataNode inputData..
Simple hashmap implementation in C++ http://stackoverflow.com/questions/266206/simple-hashmap-implementation-in-c And instantiate your hash_map hash_set as hash_map MyClass DataType MyClassHash MyClassEqual my_hash_map hash_set MyClass MyClassHash..
C: Where is union practically used? http://stackoverflow.com/questions/1951269/c-where-is-union-practically-used void printDataNode DataNode ptr printf I am a switch ptr dataType case INTEGER printf Integer with value d ptr value v_int break..
Store a reference to an objects member variable with a different class http://stackoverflow.com/questions/6000111/store-a-reference-to-an-objects-member-variable-with-a-different-class typename Object class Container private template typename dataType dataType Object memberVariable error here data member 'memberVariable'.. Object class Container private template typename dataType dataType Object memberVariable error here data member 'memberVariable'.. cannot be a member template template typename dataType std map dataType Object instanceVarMap what would be more efficient..
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