[stl] Forum Topics

Hello all! I am trying to take a string that has mixed uppercase and lowercase chars and then convert it to lowercase. I am doing the following line of C++ code: transform(theReadMessage.begin(),theReadMessage.end(),theReadMessage.begin(),theReadMessage.end(),::tolower); //theReadMessage is a string to convert to lowercase and my C++ xCode debugger gives me this message `Too …

**Okay this is my first post and I am quite excited that how it will be recieved by the community. I have a long experience in C++ programming but never been a part of any community hence I believe that as a tyro, my mistakes will be ignored.** This post …

implement a generic fn mapf with prototype template<class Sequence c , class UnaryFunction) Sequence mapf(Sequence c , UnaryFunction f) for ex if c is a seq containing the seq (3,2,7,6,8) and f is the fn that returns twice it integer agument. then container returned by mafc(c,f) is a list containing …

Hi Does anyone know if there is an equivilent of std::stoi (string to Int) for use with wstring that I am missing? Seems a bit odd that it would be ommitted from the library, but I cannot find anything. Thank you for reading.

Hello everybody, I am trying to teach my stl and after writing some basic programs I have hit a road block. I have an iterator which I am trying to pass to a function template Here is my function template template <class T> void display(typename vector<T>::iterator start, typename vector<T>::iterator end){ …

I decided to learn C++ STL and I was exprimenting with STL containers. I saw this example [here](http://www.cplusplus.com/reference/stl/vector/insert/): // inserting into a vector #include <iostream> #include <vector> using namespace std; int main () { vector<int> myvector (3,100); vector<int>::iterator it; it = myvector.begin(); it = myvector.insert ( it , 200 ); …

hello there, I'm trying to sort a list according to the "length" paramter in ascending order, which represents the third coloumn. List elements are read from a csv file contains 9 coloumns, I only push 6 coloumns in "futurelist" which is the information i'm intersted in. //input csv data [CODE] …

Hello there, submissiontime length finishtime remainingtime 1031 17:11 574.1025391 MB 1050 17:30 1 1326 22:06 536.0175781 MB 1343 22:23 2 2721 45:21:00 608.1279297 MB 2741 45:41:00 3 32 0:32 575.8115234 MB 51 0:51 4 1161 19:21 652.6259766 MB 1182 19:42 5 937 15:37 288.7597656 MB 946 15:46 6 3087 51:27:00 …

Hey all, I'm attempting to use an STL List to store a list of objects. Now I realise it's quite trivial to store a list of objects of my own definition. My real question is, how do I fill the list with objects that inherit from a base class. E.g. …