Forum: C++  49 Minutes Ago |
| Replies: 7 Views: 63 Re: need help with this.
I assume you mean "right"? Please don't use text-speak. Yes, arrays in C++ start at 0 so if you have an array int month[12] , you want to use array indexes 0 through 11, not 1 through 12, Also,... |
| Forum: Java 1 Hour Ago |
| Replies: 4 Views: 68 Re: How do you save a JPanel as a GIF file?
Awesome. Ezzaral, it worked on the first try! Thank you. I'm still going over the code line by line to try to get my hands around it, but like I said, it worked. Alex, thank you for the links. ... |
| Forum: C++ 2 Hours Ago |
| Replies: 7 Views: 63 Re: need help with this.
Well, you can "write your own", use code that's already written, or do a combination. A lot has been written. One potential drawback of some of it is that it only works with dates after 1900 or... |
| Forum: C++ 3 Hours Ago |
| Replies: 4 Views: 68 Re: popen
I don't think you're supposed to get "C:\documents and settings\...." when you run this. That's the command line prompt, not part of the program. The output I got from the program was the same as... |
| Forum: C 4 Hours Ago |
| Replies: 9 Views: 104 Re: Quadratic Formula
Ah, OK, you are referring to these lines, perhaps?
x = ((-b - d)/(2.0*a));
y = ((-b + d)/(2.0*a));
I get a warning in C++ (not an error) which says "Warning: Converting from 'int' to 'double'". ... |
| Forum: C 4 Hours Ago |
| Replies: 9 Views: 104 Re: Quadratic Formula
You have that backwards. These lines:
#include <iostream>
using namespace std;
are fine with a C++ compiler, but cannot be used with a C compiler. |
| Forum: Java 13 Hours Ago |
| Replies: 4 Views: 68 How do you save a JPanel as a GIF file?
I've made a small program that draws black rectangles on a JPanel at random places. I would like to give the user the option to save this JPanel as a .gif file, but I'm not sure where to start. The... |
| Forum: C 14 Hours Ago |
| Replies: 9 Views: 104 Re: Quadratic Formula
iostream isn't in C. I think you have quotes where you want <> in your #include for math.h, and you can't use "using namespace std" in C. Maybe you're not using a C compiler.
The problem with the... |
| Forum: C++ 15 Hours Ago |
| Replies: 3 Views: 68 Re: random number guess
I'll start you off with the first function, PrintHeading(int). This is simply taking lines 44 through 52 above, taking them out of main, and putting them into PrintHeading(int). In addition, the... |
| Forum: C 18 Hours Ago |
| Replies: 4 Views: 83 |
| Forum: C++ 21 Hours Ago |
| Replies: 6 Views: 95 |
| Forum: C++ 21 Hours Ago |
| Replies: 3 Views: 47 Re: error C2296
FYI, the bold tags don't work with C++ style code tags. They DO work with non-specific code tags:
// paste code here. Can put bold highlighting.
The C++ highlighting seems to override the... |
| Forum: C++ 23 Hours Ago |
| Replies: 1 Views: 56 Re: binay heap and binary search tree help
Google is your friend, as well as Daniweb's and a dozen other programming forums' search engines. These are very common problems and come up all the time, so odds are that if you enter "binary... |
| Forum: C++ 23 Hours Ago |
| Replies: 3 Views: 73 Re: losing decimal precision in division
Use strtod from cstdlib. You'll need to convert the string to a c-string before applying strtod.
string stringNum = "67.34512";
double number = strtod(stringNum.c_str(),... |
| Forum: C++ 1 Day Ago |
| Replies: 3 Views: 73 Re: losing decimal precision in division
vector is not getting chopped off in memory, just in the display. It is stored in memory correctly. What IS being chopped off is the DISPLAY to the screen of vector. cout has a default of 6... |
| Forum: Java 1 Day Ago |
| Replies: 17 Views: 326 Re: Multi Thread Help
Let me actually clarify/correct my previous post, and reiterate that I'm somewhat out of my league on sockets. I've written a single-server, multi-client socket program successfully, but usually... |
| Forum: Java 1 Day Ago |
| Replies: 17 Views: 326 Re: Multi Thread Help
It looks to me like the server only creates one socket and uses one port at a time. One guest program and one server program connect through that socket. I'm no expert on sockets and I could be... |
| Forum: C++ 1 Day Ago |
| Replies: 14 Views: 210 |
| Forum: Java 1 Day Ago |
| Replies: 15 Views: 149 Re: Please Help Compiling Error
What's the question? It ran, but You haven't implemented the DecimalFormat that I linked. Here's a good example of it from Daniweb.
http://www.daniweb.com/forums/thread20141.html |
| Forum: Java 1 Day Ago |
| Replies: 15 Views: 149 |
| Forum: C++ 1 Day Ago |
| Replies: 14 Views: 210 Re: using an if inside a for loop
My Spanish isn't what it used to be, so I'm not exactly sure what's going on, but I ran it and got the infinite loop and I think probably the culprit is that you are confusing the = operator and the... |
| Forum: C++ 1 Day Ago |
| Replies: 14 Views: 210 |
| Forum: Java 1 Day Ago |
| Replies: 15 Views: 149 Re: Please Help Compiling Error
Post your updated code with Java-style code tags, which will add line numbers, then refer to the specific line number you are referring to. I don't know what line you are speaking about and I don't... |
| Forum: Java 1 Day Ago |
| Replies: 15 Views: 149 Re: Please Help Compiling Error
Well, try it and find out. Don't be afraid to experiment. You at least won't get THAT error anymore if you make them the same, but you may have other errors. It is something you need to fix if you... |
| Forum: C++ 1 Day Ago |
| Replies: 14 Views: 210 Re: using an if inside a for loop
Please don't use leet-speak. He's asking whether the for-loop should always be executed, regardless of whether the if-condition is true. If it should always be executed, then don't put the for-loop... |
| Forum: Java 1 Day Ago |
| Replies: 15 Views: 149 Re: Please Help Compiling Error
Alex did a good job of explaining it above. Product is the superclass. Movie is the subclass. Inside your Movie constructor, you have this line:
super( dvdTitle, dvdItemNumber, dvdStock,... |
| Forum: C++ 1 Day Ago |
| Replies: 10 Views: 160 Re: Need help adding a search function.
Is this the code? Are you subtracting an iterator from a vector? I don't think ArkM intended you to literally use "vector - scan" in the code. I think that was just a hyphen in the sentence. You... |
| Forum: C++ 2 Days Ago |
| Replies: 6 Views: 103 Re: errors in game code
bool play(int nrz,int nrholes,int plain[10][10])
{
bool dead,endgame;
endgame = false;
dead = false;
while (true)
{
endgame = movezombies(plain);
dead =... |
| Forum: Java 2 Days Ago |
| Replies: 30 Views: 484 Re: help please
"u have to help him ..."
Wrong, pal. No one HAS to do anything. This is all strictly voluntary. No one gets paid here, so everyone picks and chooses who to help. A big part of that choice is... |
| Forum: C++ 2 Days Ago |
| Replies: 8 Views: 117 |
| Forum: C++ 3 Days Ago |
| Replies: 40 Views: 473 Re: Array help
This doesn't have anything to do with the code. It looks like you created the wrong type of project. You can create a new project, click "Win32 Console Application" as the project type, then... |
| Forum: C++ 3 Days Ago |
| Replies: 40 Views: 473 Re: Array help
That error makes perfect sense because that's a real error. The first int main () shouldn't be there. What doesn't make sense to me are the two errors that you got when you deleted that first int... |
| Forum: C++ 3 Days Ago |
| Replies: 1 Views: 114 Re: Chatting Application using C++ (or C#)
You are probably looking at some type of connection through sockets. If you are brand new at this, I suggest going through some socket tutorials/sample code till you get a handle on it. Some of... |
| Forum: C++ 3 Days Ago |
| Replies: 40 Views: 473 Re: Array help
There is no last error. Comment out or delete that first int main() line and the code you posted will compile and run without error. It won't run very well due to design flaws, but it will compile... |
| Forum: C++ 3 Days Ago |
| Replies: 40 Views: 473 Re: Array help
#include<iostream>
using namespace std;
int main() // delete this line
char board[3][3];
char letterNum;
void displayBoard();
void move();
// code |
| Forum: C++ 3 Days Ago |
| Replies: 40 Views: 473 Re: Array help
Reread Lerner's and invisal's and my posts. As Lerner and invisal mentioned, you don't want this code in your displayBoard function:
board[0][0] = '1';
board[0][1] = '2';
board[0][2] =... |
| Forum: Java 3 Days Ago |
| Replies: 19 Views: 377 Re: Design issue - checkers game
Here is my approach, based on what i believe the reasonable assumptions should be. One, a good checkers game should be able to function in a variety of environments. Thus it should be written so... |
| Forum: C++ 4 Days Ago |
| Replies: 40 Views: 473 Re: Array help
It may not make a difference on the computer/operating system you are using, but it is not portable to all computers/operating systems so that is why there are many threads on Daniweb discouraging... |
| Forum: C++ 4 Days Ago |
| Replies: 40 Views: 473 Re: Array help
As invisal mentioned, you need to tell us what the question/problem is. You should tell us what the goal of the program is, what its desired behavior is, what its actual behavior is, and where you... |
| Forum: C++ 4 Days Ago |
| Replies: 9 Views: 170 Re: Cesar Cipher in c++
I would guess then that the problem is that the out array is not initialized correctly. I see nowhere where you strcpy the in array to the out array before going through the loop. If you initialize... |
