Beginners - C++ Forum - August 2016 (Page 2)

by Enot02

Weird variables

I made this simple code and ran it. It gave me some weird number like 1699706. What does this number...

[6 replies] Last: I REALLY, REALLY do now. (by Enot02)

by hashbrown

Storing a Callback function in a Class

I have a class called Game, and at init I pass a vector of GameObjects, but I'm also trying to pass ...

[6 replies] Last: > Why does std::function cause a small decrease in performance? See h... (by JLBorges)

by nikki1337

How to get the max index of a char* object

Yes, strings would be better but I need to use a char* object. How would I get the maximum index of ...

[1 reply] : Unless you're in the scope where the character array was defined, you ... (by jlb)

by flipflipflip

Polymorphism and use of Constructors

Hey hey, a few days ago i started looking into C++ and since im familiar with some programming co...

[2 replies] Last: @gentleguy Yes. I only mentioned the constructor thing since you'd al... (by JayhawkZombie)

by carlwryker

Why does outer while-loop only execute once?

I have a nested while-loop. I want the outer loop to execute 5 times, and the inner loop to execute ...

[7 replies] Last: @carlwryker No problem! (by boost lexical cast)

by muffins123

increments

Hi this is very basic stuff but I have no idea how this code works systemically. I am supposed to de...

[2 replies] Last: cout << i++ << endl; cout << ++i << endl; The first one: "i" is p... (by boost lexical cast)

by wrightpt

c++ byteswriter

I am trying to write video data to a file. The function that I want seems to be in an implementati...

[6 replies] Last: seems like mpv may the best way to go. we will see (by wrightpt)

by dawnstar

Change Calculator

Howdy folks, Just started my second course in C++ at my local community college, second lab into th...

[3 replies] Last: Hello all, I appreciate the input in this problem, with a little help... (by dawnstar)

by jamesfarrow

Complex number class

As an exercise I have to create a complex number class in the form of a + bi where a is real and b ...

[1 reply] : class Foo { int bar; public: Foo() : bar( 0 ) {} Foo( int foo )... (by keskiverto)

by Misenna

[Request] Code Review + Some Questions

Cheers everyone, Newbie on C++ board! I'm a beginner with C++, currently working through a C++ b...

[3 replies] Last: Unless you initialize a variable with a value, its value is undefined,... (by Zhuge)

by Zeltrax

problem with char** array

I have a problem with the following code. function File.name() return char pointer to the file nam...

[4 replies] Last: *Set all the first dimensions elements of files_array to 0 before fill... (by Moooce)

by narisha

Help with matrix reading from a file

How to read matrix from a text file?? Hello I am having trouble to get desired output for reading...

[2 replies] Last: Thanks a lot . Its working (by narisha)

by D3strya

undeclared identifier

I am trying to write a getFirst function within a linked list code that will return a pointer to the...

[1 reply] : You need to specify the class when defining the function, otherwise th... (by Peter87)

by EBBugattiVeyron

Geometry Based Programs

Hello, I am stuck on this assignment question and am unsure as to how to get started. Could anyo...

[2 replies] Last: If you read through the assignment carefully, you can figure out your ... (by dhayden)

by Googie85

Converting BMP to JPG Images.

Hey Guys! I have spent the last 48 hours trying to find some code to help me with converting BMP ...

[2 replies] Last: Use a library for that. E.g. http://libjpeg.sourceforge.net/ http://w... (by coder777)

by wenezki

HELP! Array Program

Does anyone know how to program an array, where in the actual program you'll need to enter values fo...

[4 replies] Last: titepanatiks , you need to reset b to zero after printing each row. ... (by dhayden)

by titepanatiks

HELP! array problem can't figure this out!

Can anyone help me with this problem? I can't figure it out. it's multiplying the total price not ea...

[3 replies] Last: @titepanatiks 1. I don't see a multiplication arithmic operator anywhe... (by boost lexical cast)

by olaf94

Searching a Win-Directory for specific files

Okay so for school, I'm supposed to write a short programm that searches a given directory for files...

[4 replies] Last: std::string to_string( FILETIME ftime ) // ISO format, time zone desi... (by JLBorges)

by closed account 48T7M4Gy

What graphic library should I learn?

OpenGL would be a good place to start because it is well established and well documented, forming th...

[3 replies] Last: Yesterday I downloaded cinder, unzipped the file, loaded an example, c... (by closed account 48bpfSEw)

by khatereh

Error~ Undefine Reference

Hello, Following is my framework for my HW, I tried to run before I continue coding and I got the...

[1 reply] : -lX11 (by ne555)

Beginners - August 2016 (Page 2)

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