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Beginners - January 2015 (Page 30)

which operator is more advantage in struct?, object->dataMember; or (object*).dataMember ? ,or are they the same in speed and preciseness?...

[2 replies] Last: you mistyped your second example okay thanks. So they are both equi... (by xenovia12)

by darkmage06

Finding the month with the highest total rainfall

How do you find the month with the highest total rainfall using stdio.h in c? #include <stdio.h> January = {5.0, 0.3, 0.2, 0.0, 1.2}; February = {6....

[6 replies] Last: Thank you so much! Finally manage to find the highest total rainfall. ... (by darkmage06)

by Lemmon

Dividing integers.

I have some code that goes through some steps (Very specific).Essentially it comes down to assigning x to be x/y. X and Y are both integers so when they divide,...

[1 reply] : Try something like: int x = 5; int y = 2; double z = static_cast<dou... (by jlb)

by lays

What if integral meet float point? type conversions.

Books don't say more about when integer meet float. cout.setf(ios_base::fixed); float f = 0; unsigned long long ull = ULLONG_MAX; f = ull; cout << f <...

[1 reply] : When an integer is implicitly converted into a float, its value is rou... (by Cubbi)

by sambos

binary files / reading specific lines

Hi. My program stores / writes text data to file. This data is also read by the program and by another 'administration - type' program. The data is written to ...

[5 replies] Last: Hi again, I've had some success today after having a day's break. Wit... (by sambos)

by lays

What does this mean? A exercise from C++ Primer. (someValue ? ++x, ++y : --x, --y)

due to the precedence and associativity, the ?: operator is higher precedence than the comma operator. comma is left associativity while ?: is right. The exe...

[4 replies] Last: Yup. Nice catch! (by Duthomhas)

by Torm04

Monkey Assignment Help

Hello, I am having problems with this assignment I was given in my C++ class. I'm going to just go ahead and type what the exact question is because I am at a l...

[1 reply] : Do you know a "2D array"? Do you know a "nested loop"? (by keskiverto)

by closed account GvMiNwbp

utf

i i would like to know ohow I can proceed to the bits of the utf according octet. i that : int binOtect(string result){ string octect; if(binTod...

[2 replies] Last: Thanks for your answer ! Yes, I converted my “string” into binary... (by closed account GvMiNwbp)

by ThisGuyIsBrad

Else Statement not Running

Hi. I'm starting my C++ 2 class this coming semester. I figured I would play around with some basics to review before starting. I made this super basic applicat...

[10 replies] Last: if (studentGrade > 89) all greater than 89 is true else if (studen... (by xenovia12)

by alexBB

How to get rd of hidden characters in source code?

I copied a cp p file from the web and tried to compile with g++ in Ubuntu. It gave me a number of compile errors related to hidden characters I don't see. I no...

[15 replies] Last: Thank you again, computergeek01. It bothers me that so much code poste... (by alexBB)

by yonutbanu

(C++) Read numbers from text file

I have a text file that looks like this: 1 2 3 4 5 6 I want to read this numbers and put them into a vector. How do I do that?

[1 reply] : 1. Define a vector (see Cplusplus.com Reference for Container). 2. Ope... (by tcs)

by awilds

Running a program from the command prompt

Whenever I run my program in VS 2010, it runs fine, but I get an error ("...exe has stopped working") when I run it from the command prompt. If I have other lib...

[1 reply] : Some IDEs forces stack and or heap memory initialized to zero when lau... (by tcs)

by bchinfosieeuw

Compile OpenGL window

I am following the tutorial: http://www.opengl-tutorial.org/beginners-tutorials/tutorial-1-opening-a-window/ for making a window using OpenGL in Xcode. I am i...

[1 reply] : Either grab the 64-bit versions of the glew libraries and .so's or com... (by Computergeek01)

by Wantautas

C++ Climate monitoring and management system

[1 reply] : Let me translate your post: I need help with something. Please help. ... (by bugbyte)

by maciej53

Lambda expression as binary predicate for a map

Firstly, sorry if it is not proper forum, but I feel like it is still a beginner thing, if it is not, then I apologize. Recently I've learned about how lambda ...

[2 replies] Last: Thanks for your help and also the links, guess I haven't been able to ... (by maciej53)

by bgmnk

Calling Functions

Say I have a function that I have created that was to run a mathematical equation to find a certain number as follows: int doStuff(int theBeginningNumber) ...

[5 replies] Last: Enable C++11 mode. Compile with -std=c++11 and these too: -Wall -We... (by JLBorges)

by h4ever

How copy binary data to string of type char*?

Hi, I try to solve this problem very long. I just cannot solve it what I do wrong. I have stuct FILES and its member program is type char*. I created "insta...

[8 replies] Last: Ok, so I added this code: printf("test:%d\n",files .program ); // 0 p... (by h4ever)

by Atton

Putting the value of two integers together

I have a question how would it be possible to put to integers together. So for example lets say the had the number 1 and the number 2. If you where to add the ...

[3 replies] Last: If this is not homework: #include <iostream> #include <string> int ... (by JLBorges)

by N3R

Console Application Advice

Hi all, I'm new here and new to C++, probably spent two weeks learning through things and have tried to make my own console application from the ground up as...

[4 replies] Last: Thanks! (by N3R)

by rjghoul

Random array without duplicates

I want a random numbered array, I thought this should work But the array still displays duplicates. However if I put cout something instead of continue it print...

[2 replies] Last: Thanks for the point, problem solved. (by rjghoul)

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