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General C++ Programming - December 2010 (Page 11)

Boy scout chocolate sales. The output should be arranged depending on the amount of chocolates sold. Example; the lowest amount should always be at third place....

[3 replies] Last: "By the way these if statements cancel each other out, the second con... (by Elmofongo)

by mothmann

Vectors and Pointers ?'s

lets say i have a Vector that holds pointers to a custom class. then i loop this 10 times to get 10 ?elements? inside the vector std::vector< Ccustom* ...

[3 replies] Last: I'd say nothing wrong with swap? std::swap(v.front(), v.back()); ... (by coder777)

by ajitm

Why we have pointers with diffrent types

Hi I am very Igor to know why we have different types of pointer as we can use Void pointer for all data types. Then what the reason to have pointes with diff ...

[3 replies] Last: Also, pointer arithmetic doesn't work if you don't know the size of th... (by kbw)

by aatwo

2's Compliment Checksum

Hi guys. I am trying to calculate the 2's compliment checksum of an array of characters using the following code: unsigned long long end = 512; unsigned ...

[2 replies] Last: Thanks that was very helpful. I think I was trying over complicate thi... (by aatwo)

by n4nature

including and linking libraries

Hi, What's the difference between including a library and linking to a library? I have seen some programs include a library. Could they have done with jus...

[3 replies] Last: you're welcome :) (by aatwo)

by vinaynaikwad

In search of best algorithm

I am in need of best algorithm for a problem. Problem: There are two arrays array1 and array2 each containing thousand elements. The common elements between bo...

[1 reply] : http://www.cplusplus.com/reference/algorithm/set_intersection/ (by sohguanh)

by trig

GUI design vs08

hi, i was wondering if anyone knows a really good website or something that teaches you how to create a gui program in visual studios 2008 using their tools and...

[4 replies] Last: Then you should probably try and enroll in a programming introduction ... (by Zaita)

by magnahawk

Word and Letter Frequency

Hello all, I'm very aware that people don't just give out code, but I've been stuck on this for a good 4 hours now. If anyone could look at my code and tell...

[6 replies] Last: Thank you so much Shredded. That was just what I needed - it seems my... (by magnahawk)

by xephon

Problem regarding cmath header

I have a project currently using cmath header for cos(x) and sin(x) functions. all variables are float. currently, i have a problem of "too high" precision. ...

[3 replies] Last: http://en.wikipedia.org/wiki/Floating_point#Accuracy_problems Round e... (by ne555)

by PiMaster

References

I was thinking, if references are implemented as pointers, why is there NO way to change the object it points to? I mean, I get that something as simple as this...

[6 replies] Last: From what I've read on this site, pointers and references produce exa... (by Disch)

by agoswami

detemine vtable address

Hi, I am understanding vtable concept and having some specific question.Can you provide me input. 1. Can we print vtable and its function. 2. Can we determ...

[3 replies] Last: adding little bit more info... 'how many vatable has been created" : ... (by agoswami)

by iDreamInCode

Searching words for letters HlpPlx (1,2)

okay so im writing some code for this program that selects a random word based on which difficulty you choose. thats not important. what is supposed to happen i...

[27 replies] Last: As for your condition check. Consider this code. string answer =... (by Zaita)

by vachovsky

Assembler and C++

So, when we realy should use assembler "insertions" instead of C or C++ code..?

[4 replies] Last: The meaning of the inline assembly ( asm("whatever") ) is implementa... (by Bazzy)

by PrincessProgram

Getting Word Doc in program!!!

Okay for my final program for my C++ class we have to make a program of our own and i want to do a chose your own adventure but i have problems of how to get a ...

[5 replies] Last: Write it in word. Then save it as a basic .txt file without formatting... (by Zaita)

by flodywan

Easiest way to use SQL with C++ Programs?

Does anyone know how I could link up a c++ program with a database, and perform SQL queries on it? I've heard of people calling little scripts to do it. I'v...

[6 replies] Last: http://www.sqlite.org/index.html SQLite is pretty easy to get worki... (by Zaita)

by lukescott

Tools for "highlighting" C++ specific code / features?

Are there any tools out there that can look over a source file and tell you which parts of a file are C++ specific (as opposed to regular C)? Or would trying to...

[4 replies] Last: Compilation is your best bet :) (by Zaita)

by Wandering Airhead

Programs communication

Hello, I tried to write two programs that communicates with each other through fstreams directer to the same file. It works. But here comes a question - a...

[1 reply] : Google "Interprocess Communication" also known as IPC. And you'll find... (by Zaita)

by ernandrew

fgets() print out a junked character in opening a file

i really don't want to use gets but i dont have any more ideas. i tried fgets() but it just print out a junked character. so i used gets. is there any more i ca...

[2 replies] Last: Could you rephrase your question? It's rather confusing. What, exactly... (by chrisname)

by joro550

Loading a DLL

Hi I've seem to have hit a brick wall with dynamically loading things into my program, I want my program to find and include a file called "ScriptRetry" which i...

[no replies]

by FrustratedSE

Accepting string characters with space using C I/O only.

As you can see, I am working on file handling right now. The only problem is with gets() function. Well, the codes were in cin and cout at first but then my pro...

[7 replies] Last: Wait... are you programming in C (and not C++)? Even so, you need ... (by Duthomhas)

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