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14 Posted Topics
 | Hi All, All of my programming was done in Visual Studio Express 2008 version. Thinking of upgrading to 2015 now that I have a Win 10 machine and given that I want to start learning some of the new functionality re C++ 11 and 14. Any tips/thoughts on how to …  |
| | Hello, My function below is part of a program that compiles and runs. The core of the program is in the function below. The issue is that the variable named "PNL" below as well as "CumLoss" and "CumProfit" don't reset to 0 when the loop "L" restarts. So the output …  |
| | Hi, I'm trying to compute a moving average of length 20. I've got a vector of structs that's read into my function and I'm using an iterator to read through as follows: int length = a; int count = 0; double sum = 0; while (itr!= priceinput.end()) { sum += … |
| | Hi, I'm wondering what could cause this type of runtime error: My program basically reads data from different kinds of data files, either a minute data file or a 5 minute data file and then does some analysis. When I run the program on the 1 min data, no problem. … |
| | Hi, I'm new to APIs. Got the code below to compile (with 3 warnings C4129) but it won't output to the designated path. I created the txt file ahead of time, nqquotes.txt, but after the code compiles, that file stays empty. Thanks for your help, TR #include "stdafx.h" #include <tchar.h> … |
| | Hi All, Well I've been stuck for a while here. I'm trying tp write a function called TransfertoSwingID which will transfer a line of data held in a struct contained in a vector to a new vector of structs. Basically as I'm iterating through the vector of structs called "prices", … |
| | Hi, I've got a vector of structs populated with the following fields: double double double double (unsigned int) (unsigned int) string I want to take each line in that vector (call it OldVec), and 1. transfer it to a new vector of structures 2. add a string identifier at the … |
| | Hi, Imagine a vector of structures with each structure containing various variables. struct Data { double x double y double z } vector<Data> Dataset vector<Data>::iterator it //input some data from a file into DataSet How can I iterate over this vector, comparing say, x at the nth row to the … |
| | Hi, I've got stock market data in a structure as follows. [CODE]struct PriceInfo { double Open; double High; double Low; double Close; unsigned int Volume; unsigned int Time; std::string Date; };[/CODE] My program imports the data from a csv file and stores it in memory etc. The date and time …  |
| | Hi everyone, When I try the code below with data in a txt file, I have no problems and the data prints properly and neatly on the screen. (Note, one slight modification when using a txt file, instead of getline (ist, ignored, ','), I do getline (ist, ignored, '/t') to … |
| | I have some stock market price data organized as follows in a structure: struct PriceInfo { string Date; unsigned int Time; double Open; double High; double Low; double Close; unsigned int Volume; }; This struct organizes price data per interval of date and interval of time, where time is measured … |
| | Hi, I have a csv datafile with stock price data that I've read into a vector of structures that looks like this: 09/11/2009 9.30 open, high, low, close, volume 09/11/2009 9.31 o, h, l, c, volume and so on to 09/11/2009 16.14 o, h, l, c, volume //next day starts …  |
| | I'm reading a big csv file into a data structure defined as such: [CODE]struct PriceInfo { double Open; double High; double Low; double Close; unsigned int Volume; unsigned int Time; std::string Date; };[/CODE] So somewhere in my main function, I have this line: // read contents of datafile by overloading … |
| | Hi, The following code I've been working on (as hobbyist) compiles okay, buy at runtime it fails to output the dates that it is supposed to extract from a csv file. I've been staring at this forever and no progress. I am thinking that the problem occurs before the date … |
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