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Beginners - November 2011 (Page 47)

error LNK2019

Hi, I am new to C++.I am doing a project which contains camera. So I am using OpenCV 2.3 to open camera for capturing pictures. I've add additional libraries ...

[no replies]

by InterFiction

Variable names. Scope question.

Can a variable be declared within a function with the same name if it's within the brackets of an if statement? like function() { int a if a = 12 { int a ...

[1 reply] : Yes, however it is not a wise thing to do, you will soon get confused ... (by closed account 1vRz3TCk)

by cozyhozy

Function program! Please help!!

Does anyone know what are my mistakes made? I am writing this program to calculate the total distance travelled from home to office, office to NTUC and NTUC ba...

[9 replies] Last: No Problem. Glad to help. (by hbjgd)

by Cosmosgaia

map with object

Hi all, Please help me on this i have a class struct object that contains a few variables struct node id map<int,string> on my main i wish to ca...

[no replies]

by InterFiction

random number Question

srand(time(0); cout << (rand()%19)+1; how come this isn't producing random numbers between 1-20?

[6 replies] Last: very true, lol. Thanks for pointing that out :). (by InterFiction)

by LiverEatnJohnson

Pointer based lists ????????

Again its me being new to c++. I get segmentation errors and i just plane dont understand pointer lists yet. /*******************************************...

[6 replies] Last: Thanks to everyone who helped me it works now if anyone wants the sour... (by LiverEatnJohnson)

by LiverEatnJohnson

Big Numbers and Classes

Ok I am a bit new to c++, I started as a java and using classes is a bit diffrent, and some help would be great here is my code for all my files any help wo...

[4 replies] Last: Thanks for the help it works now but the source code is too big so if ... (by LiverEatnJohnson)

by detroit

Copy constructor and assignment

I have a problem with using the copy constructor and assignment operator in main() How do you use copy constructor in main()? How do I use the assignment c...

[4 replies] Last: How come the breed is not passed along, only the Pet data types are? ... (by shacktar)

by cozyhozy

Functions

Does anyone know what is these codes trying to do? And what are the mistakes in it? #include<stdio.h> int f(int x, int y); int main() { int x, y,...

[8 replies] Last: Thank you for taking your time to explain! Yup i guess this program ... (by cozyhozy)

by LiverEatnJohnson

Linked lists problem

I am getting a Signal received: SIGSEGV (?) with sigcode ? (?) From process: ? For program grocerylist, pid 7,286 error from netbeans here is the funcution...

[3 replies] Last: Too much source code to share but if you want it let me know it works ... (by LiverEatnJohnson)

by Cosmosgaia

map with class as values

Hi all, I'm wondering if i could create something like map<key,class> kind of template. if it's even possible? how would i access, say the variables in that ...

[2 replies] Last: hi sir, could you provide me an example of access that particular cl... (by Cosmosgaia)

by nebula

Random numbers between a specific set.

Hello guys. I was wondering if there is a function or a way to generate random numbers from a specific set of numbers. For example, let's say I want to generate...

[6 replies] Last: also if you come back to check something you might want to seed random... (by InterFiction)

by Mesmaroth

C++ book

What book titles where I can learn a little more in c++. Practical C++ is not meeting with my vocabulary requirement. But can understand a few things from there...

[2 replies] Last: I'll try my best and ay problems or situations will be reported here f... (by Mesmaroth)

by psp1202

trouble with keeping count of input

Hey all I have a program that I have been working on and am having some trouble with keeping count of all the users grades. I know that now I am only counting ...

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by freshsnow

Struct Arrays whats next help me plz

The next step Im supposed to be able to assign a random number of quiz scores to each student and access each student by their student number and give an averag...

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by yoitsmejy

Merging columns from two different text files

Hi guys, I am trying to merge two txt files with the same exact name from two different folders. ie(C:/A folder/abc.txt and C/B folder/abc.txt) The input...

[1 reply] : Do you have any code at all so far? Or do you need a skeleton to start... (by hbjgd)

by agevkired

need help giving 2D array an initial value

the tutorial shows that something like this int billy = {16, 2, 77, 40, 12071}; is possible. Is it possible to give a 2D array an initial value?...

[6 replies] Last: damn it. thanks Ron. Didn't notice that missing comma. Also codekiddy,... (by agevkired)

by psp1202

Help with functions

Hey all I'm having trouble solving the last part of my code. I want to determine letter grade from the percentage score.When I try to run the code I get "You go...

[1 reply] : double calcLetterGrade() { double percentage = 0; if (percentage ... (by Branflakes91093)

by TheMassiveChipmunk

Threading Help

Hello all I am having a bit of trouble learning pthreads. I normally do not post unless I have no other choice but I can not for the life of me see what is wron...

[3 replies] Last: That is brilliant!!! Thanks so much. I like the struct idea it seems s... (by TheMassiveChipmunk)

by skamel05

stopwatch problem

I have to create a stopwatch program and I think I have it all finished and it runs without any errors. The problem that I am having is that I can't get the clo...

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