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c++ Programming Glossary: mystringSubstring method that return substring of the original http://stackoverflow.com/questions/10385819/substring-method-that-return-substring-of-the-original how I attempted to implement the function in my .cpp file MyString sub sub new char length for int i start i length i sub i this.. got this error error expected unqualified id before token MyString.cpp 206 error no match for operator in sub i Note I am not supposed.. for operator in sub i Note I am not supposed to overload . MyString is the defined class. What exactly am I doing wrong c substring..
What does the explicit keyword in C++ mean? http://stackoverflow.com/questions/121162/what-does-the-explicit-keyword-in-c-mean that can hide bugs. Contrived example You have a MyString int size class with a constructor that constructs a string of.. a string of the given size. You have a function print MyString and you call it with print 3 . You expect it to print 3 but..
why implicit conversion is harmful in C++ http://stackoverflow.com/questions/2346083/why-implicit-conversion-is-harmful-in-c it is not actually doing. Here's an example class MyString public MyString int size size size ... other stuff int size.. actually doing. Here's an example class MyString public MyString int size size size ... other stuff int size With the following.. s x But the caller probably meant to store 3 inside the MyString variable and not 3. It is better to get a compiling error so..
Multiple classes in a header file vs. a single header file per class http://stackoverflow.com/questions/28160/multiple-classes-in-a-header-file-vs-a-single-header-file-per-class and implementation file. So if we wrote a class called MyString we would need an associated MyStringh.h and MyString.cxx . Does.. wrote a class called MyString we would need an associated MyStringh.h and MyString.cxx . Does anyone else do this Has anyone seen.. MyString we would need an associated MyStringh.h and MyString.cxx . Does anyone else do this Has anyone seen any compiling..
How many and which are the uses of “const” in C++? http://stackoverflow.com/questions/455518/how-many-and-which-are-the-uses-of-const-in-c you to decide when and when not you need to copy. struct MyString char getData copy caller might write return mData char const..
Modifying a C string: access violation [duplicate] http://stackoverflow.com/questions/1025927/modifying-a-c-string-access-violation does this code generate an access violation int main char myString 5 myString 'e' Crash return 0 c c string share improve this.. code generate an access violation int main char myString 5 myString 'e' Crash return 0 c c string share improve this question..
http://stackoverflow.com/questions/10865957/c-printf-with-stdstring #include iostream int main using namespace std string myString Press ENTER to quit program cout Come up and C me some time... up and C me some time. endl printf Follow this command s myString cin.get return 0 Each time the program runs myString prints.. s myString cin.get return 0 Each time the program runs myString prints a seemingly random string of 3 characters such as in..
Difference between string and char[] types in C++ http://stackoverflow.com/questions/1287306/difference-between-string-and-char-types-in-c You can access a string's char array like this std string myString Hello World const char myStringChars myString.c_str C strings.. array like this std string myString Hello World const char myStringChars myString.c_str C strings can contain embedded 0 characters.. std string myString Hello World const char myStringChars myString.c_str C strings can contain embedded 0 characters know their..
How to parse a string to an int in C++? http://stackoverflow.com/questions/194465/how-to-parse-a-string-to-an-int-in-c that stoi stol stoll stoul and so on. int myNr std stoi myString It will throw an exception on conversion error. Even these new..
http://stackoverflow.com/questions/2491707/memory-management-in-qt new MyOtherClass MyOtherClass myOtherClass2 QString myString Hello As you can see this is quite newbie easy stuff but where..
How to convert std::string to LPCWSTR in C++ (Unicode) http://stackoverflow.com/questions/27220/how-to-convert-stdstring-to-lpcwstr-in-c-unicode
How do I convert jstring to wchar_t * http://stackoverflow.com/questions/68042/how-do-i-convert-jstring-to-wchar-t C side my function takes a variable of type jstring named myString. I can convert it to an ANSI string as follows const char ansiString.. as follows const char ansiString env GetStringUTFChars myString 0 is there a way of getting const wchar_t unicodeString .....
http://stackoverflow.com/questions/718477/string-literals differences These copy from ROM to RAM at run time char myString hello const int myInt 42 float myFloats 3.1 4.1 5.9 These copy.. copy a pointer to some data in ROM at run time const char myString2 hello const float myFloats2 3.1 4.1 5.9 char myString3 hello.. myString2 hello const float myFloats2 3.1 4.1 5.9 char myString3 hello Legal but... myString3 0 'j' Undefined behavior Most..
Boost, Shared Memory and Vectors http://stackoverflow.com/questions/783623/boost-shared-memory-and-vectors process SharedMemoryWrapper mem MyMemory true std string myString int x 5 do myString mem.pop if myString std cout myString std.. mem MyMemory true std string myString int x 5 do myString mem.pop if myString std cout myString std endl while 1 while.. true std string myString int x 5 do myString mem.pop if myString std cout myString std endl while 1 while myString writer SharedMemoryWrapper..
http://stackoverflow.com/questions/895077/dynamic-source-code-in-c ... void functionN int main int argv char argv char myString new char 100 ... myString 1 user input cout eval function myString.. main int argv char argv char myString new char 100 ... myString 1 user input cout eval function myString How is it usually.. new char 100 ... myString 1 user input cout eval function myString How is it usually done UPD Based on slacy's and clinisbut's..
Modifying a C string: access violation [duplicate] http://stackoverflow.com/questions/1025927/modifying-a-c-string-access-violation Crash return 0 c c string share improve this question mystring is apparently pointing at read only static memory. C compilers..
Create a shared-memory vector of strings http://stackoverflow.com/questions/12980716/create-a-shared-memory-vector-of-strings is my text is allocated from shared memory MyShmString mystring charallocator mystring this is my text This vector is only in.. from shared memory MyShmString mystring charallocator mystring this is my text This vector is only in this process the pointer.. myvector stringallocator myvector.insert myvector.begin 10 mystring This vector is fully constructed in shared memory. All pointers..
http://stackoverflow.com/questions/3046747/selective-iterator maybe this would do std vector size_t list size_t index mystring.find while index std string npos list.push_back index index.. while index std string npos list.push_back index index mystring.find list.back std for_each list.begin list.end addSpaces mystring.. list.back std for_each list.begin list.end addSpaces mystring This looks messy to me and I'm quite sure a more elegant way..
http://stackoverflow.com/questions/3108832/write-permission-for-char mean 'r' which is a char. Better code would be std string mystring char FUNCTION assume that FUNCTION will free it's own memory... assume that FUNCTION will free it's own memory. if index mystring.size mystring index 'r' mystring now cleans up it's own memory.. will free it's own memory. if index mystring.size mystring index 'r' mystring now cleans up it's own memory in all cases...
Most used parts of Boost [closed] http://stackoverflow.com/questions/325906/most-used-parts-of-boost having to write code like stringstream ss ss anIntVal mystring ss.str Now I write mystring boost lexical_cast string anIntVal.. stringstream ss ss anIntVal mystring ss.str Now I write mystring boost lexical_cast string anIntVal Yesterday on stackoverflow..
http://stackoverflow.com/questions/4295432/typedef-function-pointer type for instance typedef int myinteger typedef char mystring typedef void myfunc using them like myinteger i is equivalent.. myfunc using them like myinteger i is equivalent to int i mystring s is the same as char s myfunc f compile equally as void f As..
C/C++ switch case with string [duplicate] http://stackoverflow.com/questions/4480788/c-c-switch-case-with-string values for strings. Is there a better approach h _myhash mystring switch h case 66452 ....... case 1342537 ........ c share..
http://stackoverflow.com/questions/4687310/memory-allocation-in-c area of memory int nLoc stored in stack string str mystring stored in stack .. if CONDITION static int nSIf stored in..
Guaranteed lifetime of temporary in C++? http://stackoverflow.com/questions/584824/guaranteed-lifetime-of-temporary-in-c changed void GetString char str int maxlength std string mystring GetString StringBuffer mystring .Size MAXLEN MAXLEN When will.. int maxlength std string mystring GetString StringBuffer mystring .Size MAXLEN MAXLEN When will the destructor for the temporary..
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