Software Development Forum

I want to execute WordPad using the code below. It runs fine on my pc. But failed to run on other pcs. String program = "C:\\Program Files\\Windows NT\\Accessories\\wordpad"; String file = "srcFiles\\Resources\\readme.rtf"; //This is the path to the file i want to open with wordpad. Runtime load = Runtime.getRuntime();; try{ …

Hello , I am trying to solve some problems from the "Computer Simulation Methods" book. It says > > Write a class that solves the nuclear decay problem.Input the decay constant l from the control window.For l=1 and dt=0.01 ,compute the difference between the analytical result and the result of …

Hi This app is supposed to let a person draw depending on their choice of Shapes and color. I cant figure out what is going wrong. The colours and shapes barely work and the mouse position is not showing up at all. Mouse listener that tracks mouse position seems to …

Hello, I have created multiple tables in a dataset when I load a page. Some of the information for those tables are on a form. After making changes to the data on the form, I want to go back to those datatables to write to the SQL table. Here is …

So i made a script and it works fine but it could be better. The code will be written below, the purpose of the script is to make a beep sound when the timer runs out (that works) but i also want to show on the screen how many hours …

I know I have a fundamental problem, I do not fully understand List objects. Based on a user input from a list box I want to creat a different list named `icons`. I previously had issues with the `switch` function, seemed I was doing it at the class level, so …

Hi. I was wondering if someone could explain to me how to make some new node point to the first element in a list.

Why use a tuple instead of a list?

Hi. I need help with my size method. I am using a single-linked list. I tested my code and it returns 0 all the time. /** This method returns the size of the current list. <br> * If the current list has no elements,it is empty. <br> * * @return …

f = open("program0.4.txt", "w") done = input('Enter done for last name when finished') Last_Name = input("Enter Last Name: ") while Last_Name != 'done': First_Name = input("Enter First Name: ") Hrs_Wrkd =int(input("Enter Hours Worked: ")) Hrly_Wge = int(input("Enter Hourly Wage: ")) f.write('Last Name' + ' ' + 'First Name' + ' …

This a question please schools grades ------- -------- havard 90% with this table, i want to select the information in each column concatenate them and ouput the results in a textfeild. sample output = havard/90% so can you declare a column in mysql as a variable in java? if yes …

I'm adding sound to a simple matching game. I have a sound for a flipping a card, a match, and no match. The problem I am having is when 2 cards are match, the flip and match sounds play simultaneous. So I tried calling Sleep at line 146, which gives …

I want to create a map, with image of a floor plan. As the user zooms in or out, or moves the image around the form and clicks on a room to see more information about it, it will be possible. I'm thinking of creating labels or buttons with opasity …

I have the following code that prints out something like a database using a velocity engine and the output is printed to a console. Though what I'm asked is to generate HTML code using a Velocity template. The **Velocity Test Class** import java.io.StringWriter; import org.apache.velocity.app.VelocityEngine; import org.apache.velocity.Template; import org.apache.velocity.VelocityContext; public …

First, just to clear this up, I did not post this is the wrong place. I know the difference between "Java" and "Javascript" I'm working on a project where I want to allow a simple, no intense programming required, way for users to create custom functionality. This is a simplified …

Hello, In the following programs, I am trying to add multiple clients. The Client program remains unchanged. For the Server program, I am using a thread (custom class implements the Runnable interface) to open a new socket and process every client request. My questions follow the programs. **ChatServer.java:** import java.net.*; …

Hi, I've got a vector of structs populated with the following fields: double double double double (unsigned int) (unsigned int) string I want to take each line in that vector (call it OldVec), and 1. transfer it to a new vector of structures 2. add a string identifier at the …

Sometime crashes, sometimes blank text, and sometimes works. I'm passing (I hope) a reference to TextDisplay::update() so It can draw all the text in keyBindMenu which is a vector of std::strings. I'm not sure if I'm handling this correctly. My understanding of this is very weak, but I think I …

I'm attempting to write a substitution function but am having trouble figuring out how to fix the Error: operator and operand don't agree [circularity] operator domain: ''Z list * ''Z list * ''Z list operand: ''Z list * ''Z list * ''Z in expression: sub2 (x,y,hd z) Code: fun sub2(x, …

The second loop after opening the file again the second calculation for count isn't coming out correctly it seems to be doubled, comes out double the normal value when it shouldn't someone help please! #include <iostream> #include <iomanip> #include <string> #include <fstream> #include <cmath> using namespace std; int main () …

I have a function that has takes in a string "secret" sec = set(secret) print sec output: set(['A', 'C', 'E', 'I', 'H', 'M', 'S', 'T']) Assuming I called the function sending in the string "Mathematics", how do I get an ordered set. I'm looking to get unique characters in the …

Hello programmers! I am working on a Tic-Tac-Toe player vs. computer class, which is supposed to have a `run.()` method in order for the game to start. In a `gameWon()` member function, I am checking for a win, either by the player or by the computer. I check to see …

Good morning, Can someone help me code this part of my assignment, it's been 24 hrs trying to do this. Place student names and final mark into two, one- dimensional arrays. One array will be of String (for names), the other will be an array for real numbers (for marks) …

I REALLY need some help. I ahve been writing a tic-tac-toe console application program in delphi. I had most of the logic finished for the program when I made a mistake. At the beginning of a class period the program was working fine, at the end of the class it …

The following script try to calculate the resulting average of the direction and magnitude of the wind well as daily averages of Temperature, Moisture and Sum of Precipitation. My monthly dataframe has the following column: data Fecha Hora DirViento MagViento Temperatura Humedad PreciAcu 0 2011/07/01 00:00 318 6.6 21.22 100 …

how can i get practice tutorial question on c#

#include <stdio.h> #define N 40 void sum(int*p, int n, int d[]) { int i; *p = 0; for(i = 0; i < n; ++i) *p = *p + d[i]; } int main() { int i; int accum = 0; int data[N]; for(i = 0; i < N; ++i) data[i] = …

I am trying to read a textfile containing some informations in this format, itemId:itemDescription:itemCategory:itemSubCategory:amountPerUnit:quantity:date. item.txt 1:macbook:electronics:laptop:100:100:18-Oct-13 2:Iphone 5:electronics:handphone:50:50:18-Oct-13 I am able to extract everything except the itemId. Please advise or suggest what I should change/do to get the id. Thanks in advance. my output Id: <----blank! Item Description: macbook item …

Tried searching for an answer to this, but not sure even how to explain this question so i will show a code example.(I blame java, better then saying i'm brain damaged) I have no problems with pointers. But can't seem to remember the correct way to call the constructor when …

I was wondering if anyone could assist me with an assignment. The problem deals with operator overloading. In this assignment I have to modify a class called "Complex" to a)enable input and output of complex numbers via overloaded>> and << operators b)overload the multiplication operator to enable multiplication of two …

i wantto builda GPA in C# and want to a condtion which chek the value from user input. chek it if it is greater then 70 show A GRADE greater then 50 show B GRADE like and print it and also set is this char type value to switch and …

Hello! I'm having a rather difficult time because the concepts weren't very much explained in class for complex situations. I'm a bit entangled with the few if-else conditions I have... :( I've been trying hard to crack the case, but I think somebody really needs to see my work. Write …

Hi, I try to copy tree by shutil.copytree(). While the function run, I get some Exception "File name too long". The path+fike name are realy long, and the exception as I understand is from the OS not Python. Do you have any solution? * I can not change the directory …

Hi What is the difference between using the **fstream** library to read a file....and using something like a procedure below using the FILE* object? There seems to be two ways to read a file? Thanks /* FEOF example */ #include <stdio.h> int main() { FILE * pFile; char buffer [100]; …

Here is the website for the assignment I am working on: http://view.samurajdata.se/rsc/5c1dd0b4/ Here is the website for my header file (MixedExpression.h): http://ideone.com/G9aC9D Here is the website for my library source file (MixedExpression.cpp): http://ideone.com/PfH8f0 Here is the website for my calculator client file (Calculator.cpp): http://ideone.com/4wGayu Here are the input lines: ( …

hello friend i like to make program in which user can selecte product and they can choose on e or more product by clicking add button now i want to save this firstly temporary all selected product when they click on add button and when user click on submit it …

Hi, i just want to finish my j2ee application that have to receive many sms from mobile users of network operator and store these on database. I try to google it but i found nothing about this. Please, i just need an orientation step by step (Excuse me for my …

Good afternoon everyone. I made a project using Florian Leitner-Fischer's usb library. I can send data to the bus 100%, but when i read i get the recieve frame and then my application hangs for some reason. When i uncomment out "MsgBox(content)" in the event catcher, the program no longer …

Hi all, I have been told that variables containing objects are basically just references to a memory locations that contain the object data. And doing something like this: TestObject o1 = new TestObject(..); TestObject o2 = o1; would make a new variable o2 that will simply point to the same …

Hi Guys: I am trying to add password to my bash script file. So, it should ask for password when anyone try to open that file. (for eg. anyone perform cat or vi command on that file it should ask for password). Thanks Sonu

Hey guys I had an assignment to recursively write the Towers of Hanoi then test it. I did not have too much of an issue getting the program written But I am not sure what the book means by test the efficiency do they want the number of moves my …

Hello, im having problem with my output =/ Everytime i run my program is not giving me the right output so, this is my assaigment. Consider a class that keeps track of the sales of an item. An object of this class will have the attributes: Number Sold Total Sales …

Hi guys, I am completely new to objective c. I am trying to compile a very basic program of "hello world", but the problem is that gcc compiler can't figure out where my header files are. I wrote on cygwin bash shell: [CODE =c]$ gcc -lobjc hello.m -o hello[/CODE] and …

I have a practise problem to write a function that takes 3 dim and dynamicly allocates 3d array with those values and then (PART THAT I DONT GET) : fills the 3-dimensional array with multiplication tables. What am I even supossed to do ?? Here's my code : int main() …

I am kind of new creating the A1Z26 cipher generator. But this has a problem. Only the program generates the last two numbers. What's wrong? #include <iostream> #include <ostream> #include <string> using namespace std; int i; // Counter char str1[101]; // A string of characters for generator. string str2, str3; …

How can I loop through a data field with a binary search, looking for multiple values? Please, I don't want to know another, more efficient way, I want to do it this way to understand the concepts. Also my data is indeed sorted before the call is made. The data …

I am having a problem deleting nodes from my Binary search tree. What I have so far does part of what it is supposed to do. I read in an input (paragraph of text) to create the tree (organized via ASCII character values). I make it, then print out all …

Hi, I am working on a program that prompts the user for answers to a quiz. The answers can only be a, b, c or d and they are saved to an array which I later compare to my answer key array. Below is the method I have written to …

I have an assigment where I am to create a program to calculate BMI. I wrote the program and would like to have someone check it to see if there are any mistakes I need to correct. //Declare variables double weight, height, bmi = 0; //Prompt user for weight in …