Software Development Forum

The following program is able to download the python programs contained in a thread of the python forum. Just start the program, it will prompt you for the thread number and create a directory with the code extracted from the thread. I used it to download all the wx examples. …

Hi I am trying to ask the user to input a binary number and checking to see if the input contains 0's and 1's. If not, I want to inform the user that the input was invalid and ask them to retry. Any help to fix my code would be …

I am trying to create a heap sort method using recursion but whenever one of my methods called maxHeapify is called, it would throw a StackOverflowError. I understand that this error will pop up whenever my application recurses too deeply but the problem is I don't see anything wrong with …

Hello and Happy holidays to all. I am new here, so sorry to bother you. I'm working on a project for a class and have run into a bit of a snag. I have a method that reads integer values from a text file and stores them into an array …

I am trying to read a file from fstream in a switch statement but something in the code seems to be stopping this part of my code to be read by the compiler. Please some one let me know what am I doing wrong. Its not the text file thats …

[code=c++] 4 char *min(char *a, char *b, char *c){ 5 if(strcmp(a,b) > 0) && (strcmp(a,c) > 0) 6 return a; 7 else if(strcmp(b,a) > 0) && (strcmp(b,c) > 0) 8 return b; 9 else 10 return c; 11 } [/code] Code won't compile and the irony is i just did …

Hi all, Background: I am dealing with graphical objects on a canvas in which the user draws four lines and out of these four lines I get the top left corner, bottom right corner and figure out the width and height from these two points. Problem: I have completed this …

Hello, I had to make this program and it is all working except it is not writting to the file. Can you help me out? Here is the code: [code] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; /** * Program that allows user to select a meal. * Includes …

Here's what I'm trying out: [icode]Substitute characters into values with no set left bits; check if the next position is a vowel(or whatever), turn it into a value with no right bits set, join the two characters into a single byte, delete the unused position now.[/icode] Here's the code using …

Hi, Iv been playing about trying to get a string onto the clipboard, but Iv had no luck at all. Iv done quite a bit of searching, but Iv only ever seen any examples that relate to Windows, and I'm using Ubuntu here. Any ideas anyone? Max

Hi, I have a problem with a sequence. The sequence is a number range from 1 to 100. I need to show each number and also the running total of each number. for example First number in sequence is 1, running total 1. Next number in sequence is 2, running …

Hi there. I'm writing a program that uses a tree control as a form of navigation, and the structure of the tree is set up in code as the program loads. This is fine for now, but there is the possibility that the structure will need to expand considerably, which …

Hi guys, This is me, novice programmer to Java. i have a very simple question. can i change Font of a Label? for example i have a label: Label l1 = new Label("Welcome To Java"); now what i want is to be able to change the text(Welcome to Java) to …

Hello, I'm still a C beginner. I am trying to make a simple code for searching a string in a doc file. I want to search for a name in the "Employee Database", and display the employee data no,name,desgnation,reg no.,Projects worked. The template in the file is as follows: [CODE]Employee …

Greetings. I'm a python noob and I'm stuck with some coding. Say you have a list with a number of elements, some of which are the same. For instance: mylist = ['blue', 'red', 'green', 'green', 'red', 'red'] Is there a way to return how many times each string occurs in …

Hi, I am writting code for a Jtable. Now in this Jtable I list file files based on different attributes, including CRC Hash. Now I have a table that has 6 columns. the data Model extends the Abstract data Model. In my data Model I have two particular methods for …

Hi. Im working on a project with a relative size and Ive run into a deadlock, I need some advice in how to proceed. I have a server that creates multiple threads to handle its clients, but each thread must serve a client multiple times, here is the thread handling …

Hi all there. I was given the task to implement a Subset class with a few function. It should be structured so to contain the original set and make it possible to generate all subsets. Right now I'm focusing on the "generate all subsets" part. I've done a little searching …

Hello, I have a problem creating a template class with copy ctor and cast operator to class of base template (using gcc 4.2). The program compiles if only one of them is defined but is not compiling if both (copy ctor and cast operator) are defined. The compiler error is …

i have made a tic-tac-toe game for my HTC touch and it runs pretty well. now i only need to figure out a way to add it in the pda's games(so that i can have it on start menu) instead of opening the explorer to find the exe each time... …

Need some help on text file compression.... Text File Compression. The text file compression must be able to perform the following functions: • Able to compress a text file and generate an index file • Able to decompress the file • Able to show the time taken for compressing and …

Hello All, can someone tell me exactly what is done by this function? Thanks alot!

This is my example code: [code] #include <vector> std::vector<int> v; int main(int, char **) { std::vector<int>::const_reverse_iterator iter = v.rbegin(); if (iter != v.rbegin()) // or v.rend(), whatever, just problematic { } } [/code] Is this supposed to compile correctly? Using g++ 4.2.4 it does. Using [quote]sbox-i686-linux-gcc (GCC) 3.4.4 (release) (CodeSourcery …

I'm a little confused on umasking. The way I was shown to do it manually is to take whatever number the umask is, say 123, turn that into binary for the permissions. 001010011 flip the bits 110101100 and then take away executability 110100100 thus I get rw-r--r-- but when I …

Some of my source files include the following code. [code] #ifndef AAAAAAAAAAAA #define AAAAAAAAAAAA #if !defined(__lint) && !defined(_lint) XXXXXXXXXXXXXXXXXXXXXXXXX; #endif #endif [/code] I want to delete line1, 2, 6. So, Could somebody tell me how to do it? thank you in advance!

Hi, I need to show stars equal to the each number of an array. I think I need another for statement. I`ve tried, but in vain. I do not know which variables should be included in this for statement ?? the output should be : 0|****(4) 1|**(2) 2|*********(9) and so …

Hey all, I am a C beginner. My problem with my code is that I get a segfault. Here's my code [CODE=C] #include <stdio.h> struct studentInfo { int totalClasses; float GPA; char studentName[41]; }; main() { int numOfStudents, i; printf("How many students would you like to take account of? "); …

the program that im having problems reads in a txt file sums both arrays of data, puts the sums into some equations and out puts the results in a txt file. [CODE]#include <iostream> // include all headers needed here #include <cmath> #include <cstring> #include <cctype> #include <fstream> #include <cstdlib> using …

How do I get python to pick a random word? Do I have to link it with a dictionary? If so how do you do that. Exercise from Python Programming for the absolute beginner Create a game where computer picks a random word and player has to guess the word. …

Hi everyone, I have worked some more on my code and this time I am getting some error that I am not able to resolve. Please help me. The error says: "initialization skipped by case label." Please show me how to resolve this. Here is the code. The error has …

We tried compiling a code - multiply1.c in the Linux environment by giving the command gcc multiply1.c (we have renamed it) but its throwing errors like :- In function "main": undefined reference to '_gmpz_init_set_str' We are getting 6 to 7 this type of errors. Can you please let us know …

hi people, i am able to make the following code work if i don't use a destructor: #include<iostream> using namespace std; class CVector{ public: int *x, *y; CVector(); CVector operator+ (CVector); CVector(int,int); // ~CVector(); private: }; CVector::CVector(){ x = new int; y = new int; *x=0; *y=0; } CVector::CVector(int a, …

Some of the code has been omitted. I am trying to write a DFS function to traverse a maze. It will eventualy add the nodes to a tree that I will traverse once I get the DFS working. Currently it goes into an infinite loop and I cannot figure out …

Hi I'm trying to implement malloc into the following file but I am having some difficulty grasping the concept. My code: [code=c] #include <stdio.h> #include <stdlib.h> #include <string.h> #define HALF_PI 1.570639 #define EXPECTED_ARGS 2 #define LOWER_LIMIT 0 float Integrate (float upper_limit, float x[2][10000], float fx[2][10000]); int main (int argc, char* …

When I printout the array contents, it prints null rather than the expected entered data. Will someone please tell me what I am doing wrong? Thanks. My code follows; [code=java] import java.util.Scanner; public class Inventory { public static void main(String[] args) { Scanner input = new Scanner( System.in ); boolean …

Hello, I implemented the follolwing function: [code] template< int n > struct GetNRands{ static void fillVector( set<int>& v, int max ){ if( n > 0 ){ int f; int pos; do{ f = rand(); pos = f * max / RAND_MAX; } while( v.find( f ) != v.end()); v.insert( pos …

Hi. Do you know any websites providing free Java assessment tests?

Hey hey! I'm trying to write a script that finds out if a given program name exists in the OS environments PATH variable (cross plathform). Thing is, I get a NameError, it's probably a simple error, but I've struggling with it the last hour. Any help would be appreciated [CODE=python] …

Hello there, I've been doing some research about the Outlook.Selection interface and made an application out of it. My goal is to get all of the items in my inbox folder. I have already created a way to get all of them, my problem is to filter each types of …

Hi Friends!! I have done a task of Importing excel in SQL server 2000 using Vb.Net 2003. I have provided Import/Overwrite facility to the User here. For this i used a Combobox. I have inserted values in Combo at design time. From the Property, Items (Collection). In Code i checked …

How To Get Data From Intranet ? I Want To Get An Access File

Hi guys, I'm currently working on a program to return whether an inputted number is perfect or not. I've found that the formula for the perfect number is If 2n-1 is prime then 2(n-1)(2n-1) is perfect. I've worked out some code, but I'm stuck. [CODE]Def listfactors(n): For 1=2 to n/2 …

Hey guys im doing the NCSS python challenge and I need help!! ok so here's my current problems (p.s. my teach cant even help) PROBLEM 1 ************************ [code]# This is a Python file def fibonacci(n): return (n <= 1) and 1 or fibonacci(n-1) + fibonacci(n-2) def decrypt(s): def helper(s): return …

I dont know why, but this program I wrote is having a problem. it has a problem converting an Ace from 11 to 1 when the players have more than 21. if you could look over this, I would appreciate it. [code] #include <iostream> #include <ctime> using namespace std; double …

I am stuck in a problem where I should show a progress in % in a label. I have manage this code and think this should work but the label doesn´t update the % value it only shows "Progress... 0 %". Is there anything I perheps should add to update …

Hi there, been working on a small program that will loop a function which adds two integers until the user enters 00, but can't seem to work out the finer details. A little newer to C++, don't need a complete answer but any advice would be much appreciated [code=c++] #include<iostream> …

I'm not quite sure how to tackle this problem. I have a form that displays the properties of a class. I have events for all the properties so the form gets updated automatically when the properties change. However, upon initializing a class, these events do not get called, and so …

I am importing object files and making tables from the for a project due tommorow night. The function works fine when I use it the first time i.e. input pro1.txt, but when I call the function again and input pro2.txt as the file name my program crashes. All of the …

Here are my parameters to follow: Every Account at the bank keeps track of a balance. In addition, each Account allows users to deposit and withdraw money. Accounts are subdivided into: SavingsAccount. This type of account has an interest rate associated with it. This rate is used at the end …

I'm having problems with if statements present value (PV) should be no larger than $10000 interest rate is not higher than 10 and no less than 2 and number of years at least 3 I've tried the if statements with error messageboxs but I was getting confused with all the …