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Search: Posts Made By: Alex Edwards ; Forum: C++ and child forums
Forum: C++ Apr 29th, 2009
Replies: 3
Views: 637
Posted By Alex Edwards
I think it would be more useful if one could pass the string into a method and have it return the number of question-marks found (as an unsigned int, or in extraordinary cases an unsigned long int).
Forum: C++ Nov 28th, 2008
Replies: 8
Views: 786
Posted By Alex Edwards
void TestVector(Vector<double> v)
{
}

int main()
{
Vector<double> pd(5.6,3.4,2.4);

// use the cast operator works if copy ctor is not defined
Vector<float> pf = pd;
Forum: C++ Nov 26th, 2008
Replies: 9
Views: 2,576
Posted By Alex Edwards
You know, I've been wondering about this for awhile now myself.

Honestly you can probably get away with making some kind of regex or key to "compress" files with given values.

For example lets...
Forum: C++ Nov 22nd, 2008
Replies: 3
Solved: Parsing error
Views: 448
Posted By Alex Edwards
There is hope!

Use fmod to resolve the modulus between two doubles



#include <iostream>

using std::cin;
using std::cout;
Forum: C++ Nov 22nd, 2008
Replies: 5
Views: 1,166
Posted By Alex Edwards
Hmm, try changing char to unsigned (if it exists @_@ )

-Alex

Edit: I am really tired #_#

I didn't realize I made the array back-asswards XD

XP
Forum: C++ Nov 22nd, 2008
Replies: 5
Views: 1,166
Posted By Alex Edwards
You can use the bool array as a "bit-position" array for the representation of a char.



#include <iostream>

using std::cout;
using std::cin;
using std::endl;
Forum: C++ Nov 20th, 2008
Replies: 2
Views: 305
Posted By Alex Edwards
That means you are literally treating something that isn't an lValue as an lValue.

For example if a method doesn't return a reference to something, its possible that attempting to treat the method...
Forum: C++ Nov 20th, 2008
Replies: 14
Solved: Crash Windows
Views: 1,158
Posted By Alex Edwards
Rep-worthy! XD

It's too bad I can't give you any more rep today @_@

-Alex
Forum: C++ Nov 20th, 2008
Replies: 14
Solved: Crash Windows
Views: 1,158
Posted By Alex Edwards
I don't know why... but I found the first post amusing XD

But I'm laughing with you Beast! I promise! O_O

-Alex
Forum: C++ Nov 17th, 2008
Replies: 6
Views: 1,234
Posted By Alex Edwards
My apologies.

Apparently I missed the portion of your first statement "I cannot use anything else, rules are rules." Please forget my previous comment.
Forum: C++ Nov 16th, 2008
Replies: 6
Views: 1,234
Posted By Alex Edwards
You may want to consider this process--

-Pull in lines from target read file and store them in a stack<string>
-pop strings from stack and write them to file

That's if the strings need to be...
Forum: C++ Oct 31st, 2008
Replies: 10
Views: 1,337
Posted By Alex Edwards
Here's something I managed to whip up thanks to your logic--


#include <iostream>
#include <string>
#include <vector>

using std::cout;
using std::cin;
using std::endl;
Forum: C++ Oct 28th, 2008
Replies: 8
Views: 934
Posted By Alex Edwards
I thought I had the specs right until you said down-right instead of up-right in your 2nd paragraph.

Maybe a picture will be helpful?

Also, what are you using to graphically display your...
Forum: C++ Oct 19th, 2008
Replies: 4
Views: 1,166
Posted By Alex Edwards
I personally consider code in a Driver Program to be cleaner when the logic of main is known before anything else.

Also, function declarations make code more readable because you know of the...
Forum: C++ Oct 19th, 2008
Replies: 4
Views: 1,166
Posted By Alex Edwards
void printmovie (movies_t movie);


Is a function declaration.

The definition exists elsewhere in the same file.

Short/Simple reason: C++ can be very linear. If you comment out the function...
Forum: C++ Oct 18th, 2008
Replies: 3
Views: 1,154
Posted By Alex Edwards
In C++, you can declare a function, constructor, or operator to accept a type by reference and not value.

For example, the declaration of the function--



void foo(int);
Forum: C++ Oct 17th, 2008
Replies: 4
Solved: Linker Error?
Views: 398
Posted By Alex Edwards
You can't declare a method within another method O_O

You'll have to pull all of your other methods (add, subtract etc) outside of the definition of your simp method. Your simp method can have the...
Forum: C++ Oct 17th, 2008
Replies: 4
Solved: Linker Error?
Views: 398
Posted By Alex Edwards
It never hurts to include your code (provided it's not too long! O_O).

Just be sure to use code tags @_@

-Alex
Forum: C++ Oct 16th, 2008
Replies: 2
Views: 1,108
Posted By Alex Edwards
I'd like to apologize...

the previous example can be forgiven for not implementing Node deletion (since OP has it defined), but can't be forgiven for forgetting appropriate Node declarations in...
Forum: C++ Oct 16th, 2008
Replies: 2
Views: 341
Posted By Alex Edwards
That would be the ideal way, but also a lot slower.

Question for the original poster - what is a word? Is a word like the definition of a Windows WORD, or is it any 32bit (unsigned) int, or what...
Forum: C++ Oct 15th, 2008
Replies: 2
Views: 1,108
Posted By Alex Edwards
You can't make a typedef out of an incomplete type, so the following would be illegal if NodeType is generalized--


typedef NodeType* NodePtr;

struct NodeType
{
ItemType item;
...
Forum: C++ Oct 13th, 2008
Replies: 8
Views: 571
Posted By Alex Edwards
Here's an example of encapsulating a 2D vector and emulating the behavior or a 2D vector through a class--


#include <iostream>
#include <vector>
#include <cmath>

using std::cin;
using...
Forum: C++ Sep 30th, 2008
Replies: 19
Views: 2,031
Posted By Alex Edwards
Correct me if I'm wrong, but doesn't the cavet ^ symbol in C++.NET mean that the type is actually a pointer?

List1.Add(Vec1()); looks fishy... Vec1 is a pointer-type, so doesn't that mean you need...
Forum: C++ Sep 25th, 2008
Replies: 7
Views: 557
Posted By Alex Edwards
I had to edit what you posted... the indentation got to me--


#include <iostream>
#include <fstream>
#include <string>
#include <cstring>
#include <sstream>

using namespace std;
Forum: C++ Sep 24th, 2008
Replies: 10
Views: 855
Posted By Alex Edwards
Not quite. It would be valid if your array consisted of const char* values because strings accept const char* (and also chars) as a constructor argument via the ADT implementation in C++. Since the...
Forum: C++ Sep 24th, 2008
Replies: 4
Solved: Getline help
Views: 866
Posted By Alex Edwards
Is there a reason you are using '/n' instead of '\n' ?

Also, is there a defined expression for a string being equivalent to a char? If not then you could try line != "\n" instead, though I don't...
Forum: C++ Sep 24th, 2008
Replies: 3
Views: 1,771
Posted By Alex Edwards
I do not recall the arrow keys having a virtual key code associated with them from standard C++.

I think the only way to do it is through the OS interpretation of the virtual key code of the...
Forum: C++ Sep 17th, 2008
Replies: 9
Views: 791
Posted By Alex Edwards
Correct me if I'm wrong, but you are using the .NET Frameworks with C++, are you not?

If you are, have you tried looking up information on individual Components in the .NET Frameworks the way you...
Forum: C++ Sep 16th, 2008
Replies: 14
Views: 1,576
Posted By Alex Edwards
Did you try using C:/config_file_directory instead?

It may be that the \c is being mistaken for a special escape character, and not exactly two separate characters.

Edit: Also, for...
Forum: C++ Sep 16th, 2008
Replies: 17
Views: 1,524
Posted By Alex Edwards
Oh, and in case it hasn't been addressed my tokenizer makes tokens out of substrings, not char's.
Forum: C++ Sep 16th, 2008
Replies: 17
Views: 1,524
Posted By Alex Edwards
Split the lines up into words and place the words for a corresponding line into a vector.

For example, vector<string> a has elements "I", "believe", "in", "you" and vector<string> b has elements...
Forum: C++ Sep 16th, 2008
Replies: 17
Views: 1,524
Posted By Alex Edwards
Oddly enough I was working away at a tokenizer. I think that my snippet (http://www.daniweb.com/code/snippet954.html) might be helpful, but maybe not if this is an assignment.

If it is an...
Forum: C++ Sep 15th, 2008
Replies: 6
Views: 1,081
Posted By Alex Edwards
Works fine with VC++ 2005/2008
Forum: C++ Sep 14th, 2008
Replies: 6
Views: 1,446
Posted By Alex Edwards
I'm pretty sure you meant 25 (5*5), but I believe you get the idea.

Have fun =)
Forum: C++ Sep 14th, 2008
Replies: 6
Views: 1,446
Posted By Alex Edwards
Vectors have an overloaded Constructor that allows two arguments...

I do believe, in that scenario, the first argument is the initial size and the second is the default value for all values in the...
Forum: C++ Sep 11th, 2008
Replies: 5
Views: 1,106
Posted By Alex Edwards
Narue explains it best here (http://eternallyconfuzzled.com/tuts/datastructures/jsw_tut_rbtree.aspx).
Forum: C++ Sep 10th, 2008
Replies: 9
Views: 971
Posted By Alex Edwards
Classes can be used for many things...



The Programming perspective:

-Restricting access to encapsulated data/ standing in for the same type (Proxy)
-Abstractions for future data (Strategy,...
Forum: C++ Sep 10th, 2008
Replies: 5
Views: 1,106
Posted By Alex Edwards
Try creating a Red-Black Tree.

See attached.
Forum: C++ Sep 9th, 2008
Replies: 6
Views: 486
Posted By Alex Edwards
You were nearly right! Here's a correction--


#include <iostream>
#include <fstream>
using namespace std;

const int MAX = 30;

struct node
Forum: C++ Aug 9th, 2008
Replies: 6
Views: 1,609
Posted By Alex Edwards
Here's a working example--


#include <iostream>
#include <vector>

class MyClass{

public:
std::vector< void(MyClass::*)()> ptmf_Vector;
Showing results 1 to 40 of 110

 


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