Software Development Forum

hi. wondering if someone can take a few min to help me out. Well im taking this opencourseware from MIT, intro to programing. I got this assignment [url]http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-00-introduction-to-computer-science-and-programming-fall-2008/assignments/pset9.pdf[/url] and I could do it on my own... the only problem is I dont understand what the hell they want me to …

This code is supposed to get one int and one string.But after entering the int, the [B]getline[/B] line is acting weird...it dont prompt me for any string input, rather then it shows the same value as the int. [CODE]#include<iostream> #include<string> using namespace std; int main() { int teacherID; string teacherName; …

I'm trying to use a switch statement in my code but I'm having a bit of difficulty. I have an error message I do not understand and do not know how to fix. The message reads, "switch quantity not an integer". I'm new to C++ and would appreciate any help …

Hi, i want to do a listener and this is what i have at the moment: [code] class MyListener extends MouseInputAdapter implements KeyListener{ @Override public void mousePressed(MouseEvent e) { if(e.getButton()==1){ out.println("MSE press "+e.BUTTON1_MASK); }else if (e.getButton()==2){ out.println("MSE press "+e.BUTTON2_MASK); }else if (e.getButton()==3){ out.println("MSE press "+e.BUTTON3_MASK); } } @Override public void …

Hi I'm devolping a project in which backend is ms access and front end is vb 6.0. For security reasons i made the ms access as password protected. when i tried to connect the vb and access, the following message is displayed. How to handle it? Please help me.. [IMG]http://i48.tinypic.com/ddyge0.jpg[/IMG]

import MySQLdb db = MySQLdb.connect(host = "localhost",user = "root",passwd = " ",db = "TESTDB" ) cursor = db.cursor() sql = """CREATE TABLE CRAWLER ( FIRST_NAME CHAR(20) NOT NULL, LAST_NAME CHAR(20), AGE INT, SEX CHAR(1), INCOME FLOAT )""" cursor.execute(sql) db.close() when i execute this code there is an error occure like …

Hi! I'm writing a Java simulation of a physical system. I wrote the whole simulation without any problems and later decided to add very simple GUI to paint the current sate of the system after each iteration. This is where the first problem occurred. After creating my JFrame and JPanel …

how to install the msqldb package and where to place it in python? then when i compile the code there is an error like no module named MySQLdb.... pls clarify this....

Hello All! I ran across a bit of code that I wanted to try. In this code it had a line reading, "[COLOR="Red"]orig = POINT()[/COLOR]" When I tried to run I got this error: [COLOR="red"]NameError: name 'POINT' is not defined[/COLOR]. This led me to believe that I didn't have the …

I am trying to grab some data after opening a text file with append flag. I am using the following code...but nothing is being printed and program execution is progressing forward. Can anyone point me my mistake... [CODE] fstream outStream("test.txt", ios::app);string testID; cout << "Enter Teacher ID - "; cin …

Hey, I have the code: [CODE] Form1(void) { array<Label ^>^ labels = gcnew array<Label ^>(itemCount); InitializeComponent(); for (int i = 0; i < itemCount; i++) { labels[i] = (gcnew Label()); labels[i]->Tag = (int)i; labels[i]->Location = Point(1, (i + 1) * 50); labels[i]->Size = System::Drawing::Size(250, 50); this->Controls->Add(labels[i]); } } [/CODE] This …

He all I am currently working a on a problem to convert the entire contents of an STL container into a string. For example if I had this: [code=c++] int foo[] = {1, 2, 3, 4, 5}; vector<int> bar(foo, foo + 5); [/code] I would like to convert [icode]bar[/icode] into …

I am trying create a button that when clicked prints hello world in the text box above it. however im a complete noob on winforms. I normally just make console programs any tutorials on winforms ? with C++?

I was creating this code and I hit a brick wall. Maybe because I have been doing this code for 5 hours and I am burnt out. I just need help to get it working please. Here is the code [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.Random; public class …

Hello, I am trying to write a program in python to test the reading speed to a file, apparently,after the file is created, it's automatically in the cache and read() method will grab the data from the cache thus result in a much faster reading speed, how should i directly …

Hi, I'm trying to create a 2d array that will fill itself up with numbers i have in a text file. My text file looks like this: 1 5 4 2 6 3 3 9 4 4 1 8 5 2 2 So, I want to create an array with …

Hello All I’m trying to hook the mouse scroll wheel using SetWindowsHookEx with WH_MOUSE_LL. The callback function I am using operates correctly, and identifies when the mouse wheel is scrolled. However I am unsure of how to identify which direction the mouse has been scrolled. My code so far: [CODE] …

I'm a newbie at java and I need help in coming up with the correct answer for this JOption java program. I enter in 2k, 30fps, 4min, 0seconds, and I should get 10.6842041GB (16.02630615GB total space needed). Please let me know if you have any advice on how I could …

Hello im a new member to this forum so if this is in the wrong place im very sorry. any way i have been developing a piece of software that reads from a .txt file soo far i have got it working but only on my pc eg "c:\documents and …

if i were to create a program which required the user to enter multiple values, but i do not no how many. How would i go about anticipating the input. For instance if the user were permitted to input any amount of numbers and i wanted to add all the …

Hi guys, I am stuck with this piece of code for a long time. The errors that come are: bfs.cc: In function 'void greedyMatch()': bfs.cc:9: error: expected initializer before '*' token The relevant code is [code=c] #define forallXNodes(u,G) \ for(arc *bfs_ee=(G.getSource())->firstOutArc(),arc *bfs_stopA=(G.getSource())->lastOutArc(),u=bfs_ee->head(); bfs_ee <= bfs_stopA;u = (++bfs_ee)->head()) #define forallYNodes(u,G) \ …

Hey, I have just switched from C#, and in C# there was a way you could create an item (Example), and set parameters. [CODE] Example text = new Example(); Example.parameter = value; //etc [/CODE] I have searched the internet, and could not make any sense of it. Any help would …

Hi Guys, can anyone help me to write a regex function for the following string .So my string is contents=false book_title='The Old Man and His Sons' sections=[ 'The Old Man and His Sons' ] now i want to extract just The Old Man and His Sons so far my code …

A question has been knocking my mind today,is it possible to convert a executable file back to its source code in c++??

hi, sorry for this question, but i really didn't know. i want to load flash animation and put in my project? please help me.. thx, i really appreciate that.

Hi everyone, Somewhere in my need i need to create strings like ( x,y,z ) with 0<x,y,z<N. I was trying to use 3 for loops but it didn't work. That's what i wrote: for(int i=0;i<N;i++){ for(int j=0;j<N;j++){ for(int k=0;k<N;k++){ string t="( "; t+=i; t+=","; t+=j; t+=","; t+=k; t+=" )"; } …

hi! i have a class from which other classes are inhertited. I then create a function GetInput() & I want it to funtion for evry object inherited by MAIN. I don't want to create separate functions for each. Is there any way for it? Thank you.

I cannot seem to get Reportlab's 4 state bar code to work. I keep getting "NameError: name 'USPS_4State' is not defined", yet if I 'dir' the module it's clearly loaded; dir(usps4s) arcode', 'USPS_4State', '__all__', '__builtins__', '__doc__', '__file__', '__ e__', '__package__', '__version__', '_crc11', '_initNof13Table', '_ru13', '_t The usage is correct as …

Can this be done in python and which module would i have to look at. I haven't experimented with this and if I have to guess would it be the os.renames() function.

This problem originates from a job interview which could be solved in C++ or C#. As far as I can remember it was to implement a queue that can be added to by multiple threads and accessed by multiple threads. I haven't tried it in C# yet although I think …

Hi all, My question pertains to the reading of a text document. Currently I am reading a text file searching for certain syntax and once it finds it then it uses that line. The thing is, I am currently doing this: [CODE] while (reader.readLine() != null) { DOSTUFF(); } [/CODE] …

I'm working on a problem where I am trying to validate the user input to verify only digits have been used. I'm trying to use the ASCII code to do so, but I'm stuck. I would greatly appreciate any help that can be provided. Thank you in advance!!! *Delilah* [CODE]#include …

I downloaded OpenCV last Wednesday and tried to link it with DevC++ I followed the instructions found [URL="http://www.cypax.net/tutorials/opencv/index?language=en"]here[/URL] and I get the error cannot find -lhighgui ld returned 1 exit status I'm sure the code that I tried to compile is working because I previously compiled and ran that code …

[CODE]import java.awt.*; import java.awt.event.*; import java.applet.*; /*<applet code="actionapplet" width=500 height=600></applet>*/ public class actionapplet extends Applet implements ActionListener{ String msg,str; Button b1,b2,b3; public void init(){ b1=new Button("substract"); b2=new Button("add"); add(b1); add(b2); b1.addActionListener(this); b2.addActionListener(this); } public void actionPerformed(ActionEvent ae) { str=ae.getActionCommand(); if(str.equals("add")) msg="addition is to be performed"; if(str.equals("substract")) msg="subtraction is to be …

Sending one image works, but when i repeat the cycle again it just doesn't work. my Client side code (excerpt): [code] for(int i=0;i<50;i++){//fromServer.contains("image") img = ImageIO.read(in); System.out.println("Got image."); label = new JLabel(new ImageIcon(img)); scrollPane.setViewportView(label); fromServer = reader.readLine(); }[/code]On the client side i have this output [code]Got image. Got image. Exception …

Hi everyone, I have the following code to save the text inside an editbox: [CODE]var Data: TStringList; begin Data := TStringList.Create; try Data.Append(Edit1.Text); Data.SaveToFile(Savedialog1.Filename +'.txt'); finally Data.Free; end; end;[/CODE] And this code to load it to that editbox where i saved it from: [CODE]var Data: TStringList; begin Data := TStringList.Create; …

Hi I was wondering if there is any way to created a series of lists in a for-loop so that the first list created is named NAME0 or name_0 or indexed in some way. What I have right now is [CODE]for j in range(int(L)): popsizelocus_j=[][/CODE] however, this is not working …

Hi, I'm developing a window-based application where I've a Main Form A. I open another form B on a button click. When I close Form B, I want to reload the Form A. Please help as soon as possible. Thanks in anticipation.

Help! Im trying to overwrite a certain record in a text file (basically a log in log out file). Im using Random Access File. I tried to write the updated record using writeBytes but what happens is that it was APPENDED after the record i wish to overwrite. from 150.20.111.0&2010062216:06:31 …

Hi All, I am doing a project on a Video Library Management System for my final year Computer Science project and I've run into acouple of errors. Could anyone out there help me out...???? Please, I'm desperate...! Thanks.

I'm making an application that converts units. I cant not for the life of me figure out why this isnt working. The answer returned is 0.0 when I convert from Fahrenheit to Kelvin or vice versa. The K to C conversions work though. Any insight would be amazing. This is …

Hey Guys : Here The problem is :to have a program to check the -(sys.argv) is long enough to have more than 3 elements if not then print "input more " -check (sys.argv) contain a specific elements for ex(P) ,& if P is found in the given elements then it …

Hi, I am trying to write elements from a list that I have created to an outfile using a for-loop with this code: [CODE]for j in range(int(Allele[i])): outfile.write(' allelelocus[j] * ')[/CODE] However when I do this I just get a whole bunch of allelelocus[j] in my out file. I was …

I have a Python script that creates a Tkinter window running in Ubuntu. In the script I have an if/else statement that changes the background color based on a variable. That all works. What I cannot figure out how to do is when it changes the background color, I also …

Can someone help me with this code.. I get an error when I try to execute it [code] from graphics import * def main(): colour = raw_input("Enter the colour: ") win = GraphWin("Patch", 200, 200) drawCircle(win, 50, 50, colour) def drawCircle(win, x, y, colour): for i in range(5): for j …

I have this code and having matched the input, I want it split into two separate variables. The input is in the form of a range (e.g: 1-10) and is written in perl. Here is the code: [ if($pr=~m/^([0-9]+)\s*[-]\s*([0-9]+)$/){ print "Match"; } else { print "Not a match"; } ] …

Here is the code: [CODE]#include <cstdlib> #include <iostream> using namespace std; //Declare function int triangle(int num); int main() { int n; cout<<"Enter a number and press RETURN: "; cin>> n; cout<<"Function returned:"<<triangle(n)<<endl; return 0; } //define function int triangle(int n){ int i; int sum=0; for(i=1; i<=n; i++) sum=sum+i; return sum; …

Hi, I am having some trouble using the int function on an element of a list. My code currently looks like this. [CODE]for j in range(int(L)): for k in range(int(Allele[j])): alleleslocus_j.insert(k,loci.readline())[/CODE] where Allele is a list of length L inputted by the user. I am having problems with the second …

Hi all, My cpp is rusty as all get out and I'm wondering why this doesn't seem to work. I've basically created a .cpp file with all of the structs and lower level data types in it. One of these is an enumerated type. The file. structs.cpp is as follows: …

I created 2 winforms in one i create a button .when i click the button i want to go to the next form(form2) and close the form1. plz give me the code . this is my code it is not working form1 [CODE] namespace MyTest1 { public partial class Form1 …