[vector] Forum Topics

Hello everyone! I would like your help regarding this: I have a tuple vector which i must iterate through, and accessing the vector data to decide wether to erase or not the current vector element. My code : typedef tuple <int, CString, int, int> pc_data; vector <pc_data> pc_vec; //Assume that …

I want to write a class that do operation on two matrices by 2D vector but i have some problems with the 2D vector , any one can help me?

I am in a small doubt of how to proceed to the next stage. 1. I have used im2col which basically turned gray-scale image into vector. 2. I have used the function vector quantization lbg algorithm which gave the VQ codebook as the output. I understand that the image I …

Hello everyone. I am working on creating a stub that would allow me to swap out various sorting algorithms so that I can "plug in" the algorithms and run the various sorts. The below code is for Insertion Sort (yes, I know it is the slowest possible sort), but once …

Hey Guys, i was looking at the post linked below and been trying to solve the issue, however, i have been unable to solve it. [Click Here](http://www.daniweb.com/software-development/java/threads/384109/data-from-text-file-into-jtable) The post says i "MUST create a new Vector for each row" in order for it to work. as mentioned above, i have …

I was doing some exercise from C++ Primer and one of them required us to copy a set of value from array into a vector container. Then, we are suppose to remove all the even numbers from the vector container. Hoever, when I tried to display them out by incrementing …

I'm currently making a DLL with a collection of code snippets that I find myself commonly using. I have made a search functin that checks if one string is inside of another string. I have also added a vector choice in the case that I want to search many strings. …

Hello Is there anyway to move a string array elements to a vector and have an output that list these elements? Let's say the array contains the following elements `String arraySize[] = {"A", "B", "C", "D", "E"};` and I want to move these elements to a vector.. How would I …

Can someone tell me why I get this error "terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check Abort trap" when i run the following code? user and reservations are vectors of two classes else if (str == "lookup") { getline(cin, Name, '\n'); if (Name == user.at(i).getName()) { for …

Please bear with me, this is my first post So, I have this superclass called A. And I've 2 subclasses A1 and A2. A has attribute name. A has function toString(). A1 inherits name, and has attribute hair. A1 has a method toString() which goes: string A1::toString(){ string stringA= A::toString(); …

Hi, Let me preface this by saying I'm about 4 days into learning MSVC++ 2010. I just need a little program that takes in a string, puts it in an array and I'd really like it to display it on the screen as the data comes in (1089 strings per …

Please bear with me. This is my first post. For some reason, I can only display the strings if I put the cout in the same loop. But since I have to separate addString() and displayAllStrings(), I can't do that. My displayAllStrings() keeps failing. BUT when I write a separate …

Hi guys, I need some help with a particular part of a C++ DirectX game. My course has tasked me with creating a game similar in look and function to the old missile command arcade game (something like [this](http://www.youtube.com/watch?v=t-cD0XdyQ7s)), however I have hit a bit of a wall in terms …

Hi there I need help writing a data structure to hold and assign data to a particular unique ID. I think I want an vector of structures: struct Data { int ID; double latitude; double longitude; int speed; int altitude; }; I receive messages in the above format, they can …

My professor asks me to program the Game Of Life with some required and I find unnecessary classes. But anyhow as I am coding and running the program midway I run into this problem void Life::setup_grid() { cout << "Size of Grid: " << grid.size() << endl; cout << "rows: …

#include<iostream> #include<vector> #include<algorithm> using namespace std; class Cords { public: int x,y,z; }; class Object:public Cords { int a,b,c; public: vector<Cords> vCords; void insertCords(); void getCords(); }; void Object::insertCords() { Cords theCords; int x=1; do { cout<<"Enter X:"<<endl; cin>>x; cout<<"Enter a b c:"<<endl; cin>>a>>b>>c; theCords.x=a; theCords.y=b; theCords.z=c; vCords.push_back(theCords); }while(x!=0); } …

i want to represent some locations using a vector map. which website allows this kind of private map creation and sharing. tried arcgis they make it compuslory to make the map public to share. thanks

#include <iostream> #include<string> #include<vector> using namespace std; struct Names { string fname; string lname; void output() { cout<<fname<<" "<<lname; } void input() { cin>>fname>>lname; } }; struct birth_info { int month; int day; int year; void input() { cin>>month>>day>>year; } void output() { cout<<month<<"/"<<day<<"/"<<year; } }; int main() { string …

hi everyone i have a problem with this code below. when i try to read all the files in a directory i can but when i try to put them in a vector, it doesn't work, all the elements in the vector become the last element added. I'm not sure …

There is a lot more that is supposed to go with this. For now, I'm just trying to implement a class that uses a vector. Class is called ItemList, it's the header file. Main creates the object and attempts to add to the vector. Compiler doesn't recognize "list" as a …

I decided that before I would actually write the code for my planned inventory system in a game I am writing I would test it out in a small project first to make sure I know what needs to be done and if I needed to change anything. So I …

Hey guys, its been quite a while since ive posted here :-( Im making a game in java (nope not for school, just for fun) Anyway, ive created some logic for an enemySuicideBomber(spaceship game, prolly not what your thinking) to select the closest location. It works for the most part, …

import java.util.*; class SampleA { } class SampleB extends SampleA{ } class SampleC extends SampleA{ } class VectorDemo { public static void main(String r[]) { Vector<SampleA> v = new Vector<SampleA>(); v.add(new SampleB()); v.add(new SampleC()); SampleC rect = v.get(2); } } The output says "Incompatible types. Found SampleA, required SampleC. SampleC …

At the moment I have one question about vectors but I want to leave this open ended so if I obtain more questions I can come back here. So I was looking at different containers for a player inventory that can be dynamically changed on the fly due to events …

I want to store a Vector<Vector<Object>> in mysql database. What is the best data Tpye that i can use in mysql and java to store and retrieve the datas.

Given the trace program below. I basically need to store a 1 or a 0 to the corresponding `a[r[i]]` the problem is I need to be able to keep track of the index of vectors zero and one to check the last index that was used for each vector. For …

can u give me some details regarding this paper?can u plz tell me what is a master defect record and feature association?

I'm trying to compare the element pointed by an iterator to an integer, but so far i haven't had any luck in doing so. please correct whatever i'm doing wrong. Thank you. vector<int>::iterator y; for (int i = 0;i<n2;i++) { cin>>temp; cnt = 0; y = lower_bound(a.begin(),a.end(),temp); if (*y == …

Hello everyone! I am having a bit of an odd problem here. So, on my Visual Studio project, I decided to use a precompiled header. This didn't seem to cause a noticable problem up until today. I have a small segment of code that is supposed to remove one element …

#include <iostream> #include <vector> using namespace std; template< typename T > using matrix = vector< vector<T> > ; I saw this code snippet while searching for templates. I was wondering why there's a word "using". What is it for? Thanks :)