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General C++ Programming - December 2015 (Page 5)

I'm trying to draw a triangle using SDL library Basically I have the function to draw a line between two points x,y and x1,y2 , the problem is how do I find al...

[1 reply] : Having the lengths of the sides does not define a unique triangle on ... (by Zhuge)

by mina ezzat

implements a Binary Search Tree of Products based on their price, where each product

Write a C++ code that implements a Binary Search Tree of Products based on their price, where each product object has an ID (int), productName(string), category...

[1 reply] : This is not a homework site. We won't do your homework for you. Howeve... (by AbstractionAnon)

by RealGiganitris

avoiding big numbers and stack overflows during file operations

Okay, so, I am writing a program which has to read from sector X to sector Y in a file. The issue is that, what if the value of either X or Y is huge and it cau...

[1 reply] : Just use 64 bit values for x and y: #include <cstdint> uint64_t x, y;... (by dhayden)

by zachb21

Help me fix this program please!

It is supposed to output permissions based off of a binary or sinlge digit code they enter. #include <string> #include <iostream> #include <cstdlib> using n...

[2 replies] Last: VERY VERY IMPORTANT!!! : 010 is the number 8! That's because when yo... (by dhayden)

by Martini123

Translation of python to C++

Hi guys, I have recently been given a python code and have been tasked to translate it to C++ programming language under Eclipse IDE. However, I am new to C++...

[3 replies] Last: So many, that it would be impractical to list in a forum post. Python... (by MikeyBoy)

by Ozzy69

Compile program in c++ for prompt of windows

Hello guys, i want compile my program in c++ for prompt, without use a IDE, but i can only if i put of program in folder of compiler that is minGW. For example:...

[3 replies] Last: You probably need to specify the include path in the options you pass... (by MikeyBoy)

by Mwangi Elijah

Urgently assist to write a dynamic string array

Hi everyone. I have this college project that is giving a headache (i slept early morning at 4 am). I want to make a table with infinite rows and 15 columns....

[3 replies] Last: Thanks comrade Moschops, your answer was real helpful ! Ok, let me go ... (by Mwangi Elijah)

by sujitnag

sqlite

I use win7 os and code block for c++ program. I want to use a data base (sqlite). Which file should I down load and to set it in C::B id. plz help me.

[1 reply] : See: https://www.sqlite.org/releaselog/3_9_2.html https://www.sqlite.... (by coder777)

by BobbyT321

Whats the point of #define?

I heard of something called Preprocessor Directives or something, and i wrote this #include <iostream> using namespace std; int main() { #define lo...

[3 replies] Last: Thank you (by BobbyT321)

by a10e29

C2280

Greetings! this declaration: std::vector<std::unique_ptr<Piece>> formations; Is giving me a C2280 (attempting to reference a deleted function) virtu...

[13 replies] Last: unique_ptr has deleted copy ctor and operator= so copying an object th... (by naraku9333)

by RealGiganitris

Why is my program failing? "add" is not equal to "add"?

This is my code. Just note that almost everything written in errormsg() is incorrect. So, this is what I executed: ./exec BATTLETO.NES after.nes 0 55 1 add 0 E...

[2 replies] Last: Oooh, you're awesome! I totally forgot about strcomp... I'm currently ... (by RealGiganitris)

by gabars

Portable background process / service?

Hi, I'm looking for a way to have an interactive shell that would switch to background (it's a server) and keep running but free the console. I need it to work ...

[no replies]

by aeck

For the above program, the final value stored in R

K = 0 R = 2259 WHILE R > 0 BEGIN K = K +1 R =2258 - K*100 END R = R + 55 For the above program, the final value stored in R is __________ When ...

[1 reply] : Only took 20 seconds to write this program. And I got the answer 13 as... (by TarikNeaj)

by gijimbo

Database, binary files or both?

I'm preparing to write a program that will be on many different machines and have many concurrent users. These machines are typically connected to a network. ...

[2 replies] Last: jlb, Thanks for the reply. My plan was to create temporary (local onl... (by gijimbo)

by JUAN DENT

Estd Bjarne Stroustrup extensions to std

Hi, I am studying The C++ Programming Language, 4th Edition, and it states in pg. 715 that the constraint checks used in that book (and other extensions to s...

[no replies]

by kkhalaf

Back Propagation Neuron Network Design

I am trying to make a digit recognition program. I shall feed a white/black image of a digit and my output layer will fire the corresponding digit (one neuron s...

[2 replies] Last: I converted it to apply the XOR. It's not working but you are right, t... (by kkhalaf)

by andrewllewop

string conversion

Is there a way that I can use a string to create an object. Eg. A user enters a name "Test" and then create an object of a specified type called Test. The o...

[12 replies] Last: That solution seems to be the simplest. However like cire stated you c... (by guatemala007)

by pacman169

Parsing

Hello, I practise C parsing, I want to parse a simple FEN string and print it to the console. Here is what I have so far: #include <stdio.h> #include <strin...

[11 replies] Last: > don't still understand line 12. Come on! It's a classical for loop... (by JLBorges)

by keyoh

Problem declaring nested object in another class

Hi, I have this GameClass with 3 nested objects, and one object pointer. When I try to compile and access the BoardA object from main, I get an error message sa...

[2 replies] Last: Thank's smac =) Of course.. haha. I put it like that because I need to... (by keyoh)

by GTHell

Can I influence in C++ by myself?

Hello, everyone It's just this evening I found out that my school won't focus on advance C++. My instructor told me that he only teaches us the basic of C++...

[1 reply] : > Can I teach myself from a book Yes. Consider: 'Programming: Prin... (by JLBorges)

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