Software Development Forum

I recently starting learning Java, I have a pretty good grasp on C/C++ and wanted to expand my horizons. Anyway, I have being using the Headfirst Java book and recently finished the chapters on GUI. One thing that wasn't covered by the book was how to deal with child windows. …

I have the following code which basically acts as a typewriter: [code] int main () { char c; puts ("Enter text:"); do { c=getchar(); putchar (c); } while (!feof(stdin)); return 0; } [/code] However when I feed it a text file for input: [icode]$ ./typewriter < input.txt[/icode] it always adds …

This is a small program that is suppose to find out the sum of even numbers entered into an array.... but everything works fine without errors but the output am getting is a negative number.... -1717986920. [CODE]#include <iostream.h> void main() { int sum=0; int i, a[6]; int range; cout<<"Enter a …

Hello, I cannot figure out why my program crashes when it gets to the code below. Everything else in my coding works, except when I go to run this code... [code] void Auctioneer::matchingGame(){ vector<Trader>::iterator it; int i=ask.size()-1; int x=0; int y=0; int bId; int tId; char h; int temp=0; int …

Assignment - read an input file that has month, highest temp for month and lowest temp for month. I have to use a function called GetData to fill the array. I define the array as 12 rows and 3 columns. Please could someone look at the code I have and …

Hi Would anybody be able to tell me if there is a book or any material ot there explaining what kind of widgets you can get for C++. I'm not sure what kind of widgets are available in terms of functionality. When I say types I mean say textbox or …

Ok so if I wanted to do a simple while loop with a user inputting a number and a function doing some calculations, would it be possible to have it so that the user can type in 'quit' instead of a float if they want to quit? Thanks in advance.

i have this code and for an class work task and you have to do a walkthrough table and work out the output. But i dont know how you do a walkthrough table. Can someone help? [CODE] int c = 0, sum = 0; while (sum < 8) { c++; …

well ive been trying to make an app in VB 2008 Express Edition so that every time my timer ticks it randomly adds a number like it either adds 1 or nothing but having trouble with it since it just does it one time this is my coding for the …

I'm a newbie, and...cannot find the answer on the Web. If you want to use the OR operator in Java, "||", how can you type it so the compiler will accept it? The character "|" on the same key with the backslash ("\") looks like it should be the right …

So I got bored and made a blackjack game. This is probably be the last thing I code in python before I move to C#!!!(so excited to learn it) The game() function is the main fuction all the rest are pretty self explanatory if you understand blackjack. My issue is …

I have problem in reqruired output [B]the input is[/B] 333-0092-8868389 [B]required output is[/B] Country code is = 0092 City code is = 333 7-digit number is = 8868389 Phone number in correct sequence is = 0092-333-8868389 The full code is [CODE] #include<iostream.h> #include<conio.h> #include<string.h> #include<stdio.h> void main() { [COLOR="Red"]char ch,*str,*country,*city,*digit;[/COLOR] …

So heres a portion of my program... the program has several functions (each doing diff. things) Im having a problem I can not find the way to write the sum of the third row in costOfSports array. the book says something like this: for(col=0;col<5;col++) { for(row=0;row<3;row++) { row_sum[row]=array[row][col]; } } …

My task was to create a leapyear program. The following was created: [code] def LeapYear(year): if year % 400 == 0: return True elif year % 100 == 0: return False elif year % 4 == 0: return True else: return False print (LeapYear(400)) print (LeapYear(1000)) print (LeapYear(1012)) print (LeapYear(2000)) …

I'm writing a replacement to the windows event viewer, and as such, I require my program to start with admin privileges by default. Yes, I could run it without admin privileges and then have it elevate as required, but that could get very annoying very fast as the security log …

I'm using verion 3.5 of the .NET framework I have a form with a number of controls including text boxes. All my text boxes are named in the style txb_name, can I search for controls with txb in their name? The following code doesn't work: [code] For Each tb As …

I want to test if a value is a key from a dictionary, i do this like so: [ICODE] if value in dict: print "value found" else: print "value not found" [/ICODE] Now this doesn't work if value = "abcd" and the key in the dictionary is "Abcd"... How do …

hi everyone, i have a constructor like this, [CODE] CStack(int n) { bottom_ = new char[n]; top_ = bottom_; size_ = n; } [/CODE] In my main class i call the constructor by creating a[CODE] CStack(5); // bottom_ = new char [5]; [/CODE] my question is can increment the size …

Hi everyone. Basically i'm very new to python and i'm trying to learn it at a fairly fast pace. One of the books i am using is comparing for and while loops, showing how while loops are more flexible than for loops but more complicated. Anyway to the point.. In …

I have a hp mini linux, ubuntu 08.04. Of course I couldn't resist temptation for the 10.04, that I upgraded following ubuntu geek forums. I got lost in limbo somewhere when I couldn't figure what i was to follow! It is a netbook and I have 10.04 but, have an …

Hi, What I want to do is, to take multiple sentences, and create a bar representing the sentence length, and under that bars for words, or string of interest. And this process will be iterated over a text, so I can get many graphs on top of each other representing …

If I had 5 text boxes on a form, TextBox1...TextBox5, is there a method to do something like this? [code] Dim strFld As String For intFor = 1 to 5 strFld = "TextBox" & intFor Me(strFld).Text = intFor Next [/code] It doesn't like the line of Me(strFld) but I figure …

i enter 3 identical records in an sql database table. Normally this should not have happened and the dbms is to check for identical records. Now when i try to delete or update any record, an error message is displayed and the record is neither deleted nor updated. any help …

Hi all, I now have a very serious problem. I have a table that have to show in different datagridviews which are generated dynamically. The table looks like this C_id formula systemid mass user time 1 c6h6 1 23 s 00:99 2 c3h4 2 22 g 09:08 3 c7h8 1 …

Hello y'all. Here's the thing I'm not the brightest guy when it comes to vb.net but I'll do somethings. My question/problem is that I want to have a little zone in my program that has a kind of list , e.g. a panel with 100x50 with a scroll and inside …

I am trying to post to this page and get the result: [url]https://writerep.house.gov/writerep/welcome.shtml[/url] I tried this: [code=python] import urllib import urllib2 sURL = 'https://writerep.house.gov/writerep/welcome.shtml' dInfo = { "state" : 'WAWashington', "zipcode" : '98103', "zipext" : '' } sSendData = urllib.urlencode( dInfo ) resp = urllib2.urlopen( sURL, sSendData ) [/code] I …

//import classes import java.io.*; import java.lang.*; import java.text.*; //Class Header public class Mortgage3 { //Public method header public Mortgage3() { } //Get user input public double loanAmt() throws IOException { //Declare Method Variables double PrincipalIn = 0; String answer; boolean done = false; BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in)); //Loop …

This is my first experience with Python's Tkinter GUI. I want to write a program where the result of an interim calculation is displayed on a label. Later in the program I want to use this result in another calculation by simply clicking on the label. This is what I …

So maybe this is a pretty basic question, then again I am new to python so please bear with me... I have some code, and I have a tkInter checkbox. I figured out how to get the on/off value of the check box but I dont really understand why I …

I'm wondering if i can make this shorter: [ICODE]if not link.startswith("javascript") and not link.startswith("mailto") and not link.endswith("pdf") and not link.endswith("ppt"): #do something[/ICODE] Cause this is getting VERY lengthy, very soon

int c; c = getchar(); while ((c = getchar()) != EOF) putchar(c); c = getchar(); I know EOF means end of file. Basically, I believe this functions is instructed to keep inputing text from the keyboard until EOF becomes the subsequent input. However, I am not sure what EOF is …

Quick question: what does "if(c == '\n') mean in this context? Is it just using '\n' as a reference for a numeric value within ASCII? which in that case would be 10, so if 10 is entered, this is when nl increments up one? { int c, nl; nl = …

As you'll notice this is an assignment from my computer science class, and if you look closely you'll also notice that this was due on march 3, so im not trying to get help for it. All this is for is to create some friendly competition and maybe keep the …

Hi there, recently I wrote a small C program utilising the Windows API to communicate with a device over the serial port (COM1, a real serial port of my PC). This worked fine, but I am aware of the fact that those real COM ports are replaced more and more …

Can anyone help me with this problem, I have 2 textboxes in which i load 2 text files. And now in the third textbox i need to display the word frequency ( the word and how many times is been used that word in those 2 texboxes). And finally calculating …

I'm not sure if this should go here but as i'm making my program in C# i thought i'd give it a go. I've been using 'Add New Data Source' in visual studio 2008 to get information from Access databases. This has always worked fine but recently buttons like 'Add …

Hi folks, I wonder if anyone out there could help me with something. I have a folder containing many cnv files that look like this: * Sea-Bird SBE 9 Data File: * FileName = C:\CTD Data\Alg173\stn001.dat * Software Version Seasave Win32 V 5.38 * Temperature SN = 4977 * Conductivity …

In my experiment.cpp i have Test *tests[maxTests]; as private data. How do i access this in my runExperiment function to call functions from the test class or its derived classes?

Hi, I have some data stored on an XML file and I am trying to read a specific part of it. Here is a line from the XML:- [CODE] <photo id="4539802593" owner="***" secret="***" server="4032" farm="5" title="Stone Bridge" ispublic="1" isfriend="0" isfamily="0" /> [/CODE] Below is the bare bones of code I …

Hello, I'm new to C++ but after reading two books regardin this language I made this part of a program. While those two files (.h and .cpp) were concatenated in the main cpp file the program worked without errors, aldo it did not return anythig. As I split the program …

Hi All, I have a microsoft word document, and I have got class to handle the manipulation within those documents (I call it "Word"). My code goes this way: ------------------------------- sub form load set W = New Word ' W is the Word object if usingW = true then 'open …

I hope you can help me. I'm working on a program that will open any Access database that might be on the system. The problem I'm having is that I cant get get the SQL statement to show all the tables within the database. The code im using is as …

Hello, I need help with something it drives me nuts. I have an application which send XML to a web server through a POST method. This part works excellent. But where I have issues is with receiving the standard response from the web server for OK or error. Instead of …

I have interesting question. Why this code is legal in C, but not legal in C++ ? (tested with GCC 4.2 compilers) [CODE=C] void Function() {} int main () { Function(1); return 0; } [/CODE] We can simulate same C++ compiler error in C compiler by changing function definition to …

hi guys, I'm trying to implement a basic program which deals with structures and pointers. I have to insert data for various citizens, which is structure that have other structures as fields. in this case my main objective is to create 2 general functions that will get the information for …

Having trouble trying to copy the vector 'sel' in main to vector 'ask' in class A. Can someone either explain or show me? Thanks in Advance![code]class A{ private: public: vector<Trader> ask; void AskMatchList(vector<Trader>&); void showAuct(); }; void A::AskMatchList(vector<Trader> &list){ vector<Trader>::iterator it; f1= new Trader; //I understand this is the WRONG …

Hello, I get this error: System.IndexOutOfRangeException: 2000 I've got a table this table in excel: Month 2000 2001 2002 2003 1 180.4 194.3 209.0 236.4 2 181.1 195.2 212.2 237.9 3 182.4 196.3 213.1 238.7 4 184.1 197.4 216.5 240.1 5 185.4 198.6 219.4 240.2 6 186.1 199.0 220.7 240.7 …

How can I tabulate the data strings I have saved in another file... the data sored is in the form of names and scores. The table should look like: Name Score 1 Score 2 Score 3 ==== ======= ======= ======= John 23 21 34 etc... I've started with this and …

I'm new to Daniweb and with Python and I'm quite bad with it to be honest D:.. Here is my code... [CODE]from Tkinter import * class App(Frame): def createWidgets(self): self.grid() self.lbspace = Label(self, text="") self.lbspace.grid(row=0,column=0) self.lbfirstName = Label(self, text="First Name:", font=("Calibri", 12)) self.lbfirstName.grid(row=1,column=0) self.firstNameVariable = StringVar() self.firstName = Entry(self, textvariable=self.firstNameVariable, …

I'm learning Python to use wMaya - a 3D graphics app. While reverse engineering some code, I [URL="http://www.daniweb.com/forums/thread89440.html"]found a thread here[/URL] which explains "list comprehension". The code I'm analyzing uses that, so I attempted to deconstruct it, but I can't reproduce the same results using a for loop. I have …