Beginners - C++ Forum - June 2013 (Page 22)

Can anyone suggest a good socket tutorial with no prior experience needed?

[5 replies] Last: boost.asio tutorials don't require C http://www.boost.org/doc/libs/re... (by Cubbi)

I am at a loss. I have gotten some answers and I have tried looking it up but I cannot find exactly what I want to do. If someone has a link to share, that woul...

[2 replies] Last: Well, it didn't help me write any code, but I can see why you linked i... (by kyiro37)

by GoranGaming

The First 50 Primes

Hello! I was reading a book about C++-programming and encountered a rather difficult exercise, it's in Swedish so I'll have to translate it for you: "To sho...

[9 replies] Last: "Why is there a multiplication sign..." That is because it is an indir... (by Daleth)

by paulrishav93

Array Merging Problem in MergeSort

Write your question here. #include <iostream> #include<cstdlib> using namespace std; void mergearray(int *a, int lo, int mid, int hi) { int i...

[1 reply] : Because you would be accessing `b' out of bounds. The valid index for ... (by ne555)

by vitalishe

unusual function definition

I ran into the following definition of a function that looked rather unusual to me. Can somebody explain the rules of the definition or/and provide a link where...

[6 replies] Last: Same way you initialize them when you declare objects. struct A{ ... (by Daleth)

by Roundthecorner

Headers and Include

I read the "Headers and Includes" article and wanted to try it out, but my compiler gives me an error, and I have no idea why. I use Code::Blocks and the GNU GC...

[8 replies] Last: Thank you all very much (especially Disch). Works like a charm now. =... (by Roundthecorner)

by R10111001

Function Object Template

I wrote a function object template to practice working with templates and included a function template. The function template is, however, causing me trouble. ...

[2 replies] Last: Yes, I see it now and it makes perfect sense. I thought the third argu... (by R10111001)

by vitalishe

implicit casting?

I am just making sure I understand the difference between the two codes correctly. I am creating two instances of class CRectangle but working with them as if ...

[1 reply] : rect is an object of type CPolygon as it was defined by your. *(new Cr... (by vlad from moscow)

by carblekin

Need help recording data as a program runs

I'm working on a simulation that runs over multiple 'simulated' days, and need to figure out how to record data from specific days as the program runs through. ...

[no replies]

by akittywithoneleg

how to keep the cmd prompt open

i want it to display my inventory and stay there if i select 'y' when it asks me to instead of immediately closing after a split second. how do i accomplish thi...

[2 replies] Last: I would recommend using std::cout << "Press ENTER to continue..."; ... (by closed account 3qX21hU5)

by SmOgER

how to assign characters with empty spaces into single string

If i have potatoe onion tomatoe yeah somewhere in txt and I know that it's total of 26 characters, how do I store it to a single simple string with no wise...

[11 replies] Last: Managed to fix this by ending line before reading chars with in.ignor... (by SmOgER)

by a967Bytes

__TIME__ !change value

Hello I want to add time that change every 1 second to my simple c++ game I am working on now, but it seems that once __TIME__ is used, it will never change? ...

[1 reply] : __TIME__ is a string literal in the form "hh:mm:ss" containing the tim... (by AbstractionAnon)

by GoranGaming

No Value-command?

Hello! I was just wondering if there is a command that tests if a variable has a value or not. As an example: int x = 5; while(x has a value){ d...

[8 replies] Last: If you find the question answered, you should mark the thread as solve... (by Marcos Modenesi)

by akittywithoneleg

program suddenly stops working

hello. i wrote this inventory practice code and everytime i compile+run it, it says "inventory practice.exe has stopped working" and then closes, i cant figure ...

[1 reply] : What is the initial value of numItems ? (by Chervil)

by HSflower

swapping parts of an array around

What would a good way to swap artistfirstname with artistlastname in array = {{ "artistfirstname artistlastname 'song name'",}, ..........} the array will be ...

[8 replies] Last: @Cubbi What I'm trying to lead to is that if the program operates in... (by vlad from moscow)

by Marcos Modenesi

[SOLVED] Leaking memory

Consider: int main() { for (int i = 0; i < 100; ++i){ int* ptr = new int; } return 0; } My question is: What happens with memor...

[4 replies] Last: Thank you all for your answers. Very helpfull. (by Marcos Modenesi)

by piczim

Error messages

I have two error messages in the code below that I have no idea what they mean. Knot knowing what they mean means that I am unable to fix them. The errors a...

[1 reply] : The messages mean what they say. Here switch(inputamount) should be... (by Chervil)

by GoranGaming

Weird and Unwanted Error!

Hello again! I'm writing a "Rock, Paper, Scissors"-program, and it is going pretty well, except for one little problem. Whenever the user enters that it does...

[14 replies] Last: No. I think I read somewhere that it is not necessary, but I still alw... (by GoranGaming)

by SeeCwriter

lvalue compile error

Why am I getting the compiler error below? typedef uint8_t byte; setBit(char *ch, int bitnum, bool set) { uint8_t mask = 1 << bitnum; if ( ...

[2 replies] Last: I originally had *ch |= mask; and the compiler complained about an i... (by SeeCwriter)

by R10111001

Problem with for loop in member function

I am trying to get a handle on class templates and I wrote a simple template to create objects able to handle any data type. All the objects do is store data in...

[2 replies] Last: Thank you for your quick reply, you are completely right. I can't beli... (by R10111001)

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Beginners - June 2013 (Page 22)