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Beginners - July 2013 (Page 36)

Converting a string with a decimal to a float

Hi, I can convert strings to an int easy enough using: string stringVar = "55.33" ; int x = atoi(stringVar.c_str()); but if will only return 55, h...

[1 reply] : Too hasty in posting , played around and got it working with float f... (by aggsyb)

by Nubcake95

Floats cast to double

When you declare something as float why (I'm assuming all compilers do this or maybe this is standard behavior in C++) is it cast to double; for me VS issues a ...

[4 replies] Last: Because you declared the variable f as a float so it should be a float... (by Nubcake95)

by nmn

cout and ofstream

My code is something like this. The problem is it only execute csis and not the cout ! if I switch order then only cout and not csis. I am new to c++, so is t...

[2 replies] Last: GOT IT....MUST RESET THE POINTER to the array...other wise the second ... (by nmn)

by cgsodar

Running .exe from within

I am using visual c++ 2012. I want to run a .exe from resources using some parameters, and I get the following error: Error 1 error LNK1107: invalid or corr...

[no replies]

by Kenneth Dale

Could you write this program for me? (1,2)

First of all, this is not my homework, but for the company I work for. This is what happened: -I created a Java application which was basically a "application ...

[25 replies] Last: You'll still need it. (by closed account N36fSL3A)

by hychan

How to consider a number

How can I consider whether a number is int or double? I used the code but it doesn't output the desired one. Please help me with it. Thanks a lot! :) SAMPLE ...

[9 replies] Last: abhishekm71 's method is risky because if you, for example, have some... (by Zhuge)

by nomijigr

Lnk2019 unresolved external symbol error

HI I changed my compiler from borland to vs2008 and I am having this error fraction calculator.obj : error LNK2019: unresolved external symbol "void __cdecl s...

[2 replies] Last: oops blunder..got it...THANKS (by nomijigr)

by ThtCooperFellow

Implementing console program into GUI

I want to take a program that I wrote for the console and implement it into a GUI. So far I found a site that does a GUI tutorial, but unfortunately he does a w...

[5 replies] Last: Try google for " visual C++ Youtube Hello world!" About 2,290,000 resu... (by SamuelAdams)

by aggsyb

Using F stream to read first few lines of a text file

Hi, I am just learning about using fstream, I have succesfully opened a text file, the next part of what I want to do is first of all only use the first 4 line...

[15 replies] Last: Thanks alot! Although I realised looking through my code I was pulling... (by aggsyb)

by SrKiT

struct tm and strftime issues?

Hi, I'm trying to do an e-mail-like program. But I'm having an issue with the date of the "e-mail's". Say, I created an e-mail, if, after that, I create a new o...

[3 replies] Last: Good that you solved it. About the prefixes, I don't use them myself ... (by Peter87)

by hogwheeley

help with getline

i have 2 tasks that i need to do and the first task is done. i have the user enter a number and it opens a txt file. now on the next task i need to have that tx...

[4 replies] Last: i have the first two lines from the text for task one. now i need to t... (by hogwheeley)

by jayssj11

RAPSHEET IN C++ .

Hi , i am making school project on rapsheet in c++ . program is quite lengthy so u can just execute it . program is running fine . i just need more ideas and su...

[3 replies] Last: thanks for suggestion . but iam using turbo c++ which is quite old . i... (by jayssj11)

by noPstns

#define identifier replacement question

Hi y'all, This is my first post, so I wanted to say what's up to everyone! Secondly, if the following question has been answered on the forum, can you direct...

[2 replies] Last: I get it now. Thank you. (by noPstns)

by jasonrobertz357

Explicit Specialization of Function Templates Help

why would I need it if I could just make a non template function? I'm confused.

[3 replies] Last: > why would I need it if I could just make a non template function? I'... (by JLBorges)

by sghamghamy

Predefind Function

Is there a predefined function that take the first two digits of a number such as 2008 and divide it by a number. I am working on a program that is asking thi...

[6 replies] Last: to take the first two digits of the year, divide and save the remind... (by chipp)

by kong288

Why use iterators over ints?

Why is it preferred to use: for (std::vector<int>::iterator it = myvector.begin() ; it != myvector.end(); ++it) { std::cout << ' ' << *it; } over...

[1 reply] : in your example, i wouldnt prefer to use iterators. http://stackoverf... (by mutexe)

by hippyman

Problem with Switch,do-while

Hello all. I'm currently tinkering with C++ and have been playing with a text adventure. My problem is that I'm trying to make a switch statement that if the sw...

[6 replies] Last: You can write own function to check does given string is a correct num... (by sw143)

by me77ow

My first console program = fuel efficiency calculator.

So I came up with this simple idea for the program. I ran into a problem. The final output is negative and very far from what it's supposed to be. Here's m...

[6 replies] Last: I have one of them C++ books laying around. I didn't like it, but I'v... (by ThtCooperFellow)

by elfeck

vector<myclass*> and scope

Hello, what happens with a pointer stored in a std::vector (e.g. myclass* in std::vector<myclass*>) when the pointer gets destroyed (e.g. local pointer and l...

[8 replies] Last: In this case, Yes. Becouse "*pointer" points to "&object". "Object" wi... (by Nobun)

by xeimaster

interchanging lines

Write your question here. well.. i dont know if i put the right tittle so anyways im new to c++ prog. and i kind of want to know something here is my code a ...

[8 replies] Last: ok so i got it how it works thnx @whitenite1 i really wasn't expectin... (by xeimaster)

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