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General C++ Programming - February 2014 (Page 18)

Array of Objects - std::array - constructor

I'm writing a periodic table program to help me understand classes. I want to be able to display/sort the elements by several properties such as whether it's ...

[5 replies] Last: Oh, okay. Thanks. That makes perfect sense. (by Drue Peters)

by vincegata

Code review and design suggestion needed.

Hi, This is a prototype from a large application that shows a point. It's an order management system that 1) creates an order 2) serializes and deserializes ...

[5 replies] Last: Thanks for the responses, I'll go the easiest route and use enum class... (by vincegata)

by crimsonzero2

UDP server with two ports in C

Hello, I'm having a little bit of an issue with this code. It would run and eventually time out, but not get any data from the client. #include <stdio.h>...

[no replies]

by Chubby

Print out orgain array

I need help with cout orgain array. At cout <<"Here is array that you just enter " << index << endl; i got lldb... { int array ; int *Shifted...

[4 replies] Last: Your program is working perfectly, because you know how it is supposed... (by MatthewRock)

by closed account 3hM2Nwbp

static_assert not allowed in enums

Can anyone find something in the standard that explicitly disallows this? I'm going from section 7.1 where it is stated that: [quote=Standard]A declaration oc...

[3 replies] Last: Thanks for the info. It seems that I have a long way to go in fully u... (by closed account 3hM2Nwbp)

by fizanimtiaz93

Segmentation fault (core dumped)

Now I know that the error "Segmentation fault (core dumped)" means that I have a pointer in my code pointing to memory it isn't authorized to access. But the pr...

[8 replies] Last: Thanks I finally get it now, I'm so slow. But thank you! (by fizanimtiaz93)

by Aaron Vienneau

SDL User-made Surface Class

Hello, I want to make an encapsulated surface class that keeps track of important aspects about a surface. I have it started, except when I test the .onDraw(...

[1 reply] : I'm almost certain that you're using an older version of SDL. I'd high... (by Avilius)

by mertsamilgul

Mine Library

Can i create mine library like this #include <qwerty.h>

[2 replies] Last: @OP Do you mean using angle brackets to include your headers? You can ... (by naraku9333)

by mertsamilgul

Fibonacci Help

I maked this fibonacci program but when program print 92. number its going to print - numbers (for example 92. 121452536 93. -1242345245) why? #include <i...

[4 replies] Last: 3.54225e+020 is the same thing just in scientific notation (by Little Bobby Tables)

by Drae

Return int

int result = 15/2; is it that result will now be 7 or 7.5. based on my understanding it will be 7. since it is returning an integer. am I correct to say that t...

[2 replies] Last: understand. thank you for the the additional info at the link (by Drae)

by liljr415

Astericks bar graph

Hi guys i have to make a programs that prompts the user to enter quiz grades and add them up. For examples the user enters 6 test grades they are out of 5 so he...

[1 reply] : int main(){ int size; int tests; int a = { 0 }; cout << "How ... (by Aaron Vienneau)

by mikester44

Coding project in my computer class

Im trying to make the computer guesss a number i input in the fewest amount of guessed. now we are not in that complicated of a class but here is my code //c...

[no replies]

by gopal2773

how to add seconds to CTime in VC++?

how to add seconds to CTime in VC++? Ex : int i=0; i=250; CTime tm; tm=tm+i; ??????

[3 replies] Last: Hi, i find out the solution TimeEdBox=14:22:45 and TimeInterval=5 CS... (by gopal2773)

by northfly

Type conversion cannot guarantee value preserving, why not do this!

I did an interesting test on the type conversion between int and unsigned long. the results is like the following: #include <iostream> #include <limits> usin...

[3 replies] Last: Yeah, yes, you guys are right! I forgot it's not know until runtime. T... (by northfly)

by Nalaxer14

HELP!!!

You are writing a program to calculate the area for 500 different measurements for a playground company in the region. The company must calculate square footag...

[3 replies] Last: #include <iostream> #include <fstream> #include <string> using namesp... (by Nalaxer14)

by closed account DG6DjE8b

calculating the wind chill Error:term does not evaluate to a function taking 1 arguments

Write a function that returns a windchill factor according to the following formula: W = 13.12 + 0.6215*t – 11.37*v^0.16 + 0.3965*t*v^0.016 Where v is ...

[1 reply] : Please use code tags when posting code, to make it readable: http://w... (by MikeyBoy)

by ischuldt

file sizes

I was raised on Java, but recently I've been coding more and more in C++ for work and there's some things I don't understand and I can't seem to get good non-bi...

[15 replies] Last: Lazy loading (or delay loading) of object files (load automatically at... (by JLBorges)

by agentsmith81

Conversion from 2D <array> to double[i][j]

Hi everyone, I'm working on a little project, using threads and vector on Visual C++ 2010. I have this problem. I need to elaborate arrays of double 4x4 ...

[no replies]

by adv100

cannot convert 'record*' to 'record**'

I dont understand why i get this error when i compile my code. I believe that i am doing everything the same as i did previously but it is not working this time...

[4 replies] Last: thank you! (by adv100)

by johnsomay1992

Struck in C++ coding. Need urgent help!?

Here I am providing a piece of my coding. #include <iostream.h> #include <conio.h> #include <stdlib.h> #include <fstream.h> int main() { string line; char word...

[1 reply] : fstream and getline are within the standard namespace. Therefore,... (by xismn)

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