Software Development Forum

Hi all, I have this code here and I like to save all the messages into 1 text file name contimer.txt. I've tried to do [CODE] FILE *output fopen(output,"comtimer.txt", "ww"); [/CODE] right before the function Timer 1 and change every "printf" function into fprint_s(f, "Message", variables) but it does not …

Hi.I get the following error "g++: error: CreateProcess no such file or directory" whenever i try to compile a program.I have installed the MinGw 7.2 version at work on a windows machine and the problem does not occur , however after installing windows SP3 on my home computer i get …

Hi everyone, I'm a fairly new Java student and I need some help regarding subclass. This is what I'm trying to do: Basically, I created a Superclass called Person, and from it I created a subclass called CollegeMember. Now, I need to divide the CollegeMember subclass to "Lecturer", "Student" and …

I'm having an error "a value of type "double" cannot be used to initialize an entity of type "double *" Any tips? Thanks! [CODE]#include <iostream> #include <string> using namespace std; struct sample { string name; double *num; unsigned elements; }; int main () { sample x = {"Dude", [COLOR="Red"]{1, 2, …

My question is why fstream can't read 0x1a. For example make a test file and inside it write in HEX editor 30 1A. [CODE]#include <iostream> #include <fstream> typedef unsigned long DWORD; using namespace std; fstream myfile; template <class T> T grad(T value, int step) { T val(value); if(!step) return 0; …

Hi all, here's a kinda bullet-pointy explanation of what i have - I have a simple JFrame - I create a JPanel called 'ContentPane' [CODE]contentPane = new JPanel(); contentPane.setBackground(SystemColor.window); contentPane.setBorder(new LineBorder(SystemColor.inactiveCaption)); contentPane.setLayout(null); setContentPane(contentPane);[/CODE] - the JFrame has a [CODE]JMenuBar -> JMenuBar -> JMenuItem[/CODE] - The JMenuItem has a MouseListener and …

i know crystal reports can access data stored database.. what I want is actually to create a report on the basis of a listview values..no database at all. how do I pass these listview items and subitems to crystal reports... please help guys..

Hi..me again. I am trying to incorporate this function which counts the periods into the code..however, I can not get the code to output both the line count, blank line count, and period count at the same time. This is my 3rd or 4th try at adding this into the …

Hello everybody. I am in need of an answer. How can I use the text from a string and use it as a variable's name? For example: I have an array: int xyz[] = new int[5]; And say I want to check if it's name is the same as a …

the problem is if you increase buff size and also change the buff size in a3_fgets_2 function call to more than 15, the program will run in an infinite loop, Can anybody tell me why? Thanks [CODE]#include<unistd.h> #include<string.h> char * a3_fgets ( char * str, int num, int fd ); …

So I'm currently working as part of a team that is building a game engine and I have been considering our current code structure. As a team we decided it would be a good idea to create a plugin architecture that allows additional functionality to be added by other users …

I'm just wondering guys if it is possible for me to go to the specified listbox item via searching. Example; Listbox1 items are Apple Banana Guava Pineapple Peach When I key in the word Apple in a textbox, the SelectedItem would go to Apple, is this possible?

Guys is it possible that I create a program whose functionality would be selecting a file, then gets the contents of that file (Word or text files). The program, of course, has a Richtextbox on it where the file content will be filled to. If it is, could anyone please …

Two things. First I need to resolve the linker errors I'm getting and I also need to learn how to create a text file in a C++ project file. I'm working on a stacks project with classes and I'm running into linker errors. Specifically it says: [B][Linker error] undefined reference …

Hello; I have a following method that allocates memory for some objects. [CODE] public static int formStyleOfLyle(int a) { ObjectL[] numberL = new ObjectL[a]; if(numberL==null) { return -1; } return 0; } [/CODE] I really dont know what this does; but I need to check the return value of this …

Hi, I have my application in VS2008 and coded Vb.net. My query is i want to save record from an excel sheet to my Database Table. But i dont want to insert the Excel sheet as a whole rather i want to insert the record in my database table Row …

Hi everyone just started Daniweb! I have been using devcpp for some time.I am trying to make a switch from DevCpp to Visual Studio but find the latter confusing having so many options. Recently, I did a console application that will accept a word from user and prints its anagrams. …

Hello !! I am stuck with an issue and need some guidance.. I am using visual studio 2008, vb.net Windows app and ms access 2003. I just wanted to know that there is a form in which i select an option from the list of options in combobox.. While the …

Hi again !! I am making a widows application wherein i have a form containing two datagridviews.. The first one( named dgv1) consists of all the data from the database and a checkbox column.. While the user selects the rows using checkbox, the data are displayed in adjoining datagridview(named dgv3).. …

Hey guys, I need to print out character symbols for this program. I need to print 2 different shapes of symbols. For the first shape, I have to print out a triangle, represented by the "*" in the nested for loop. I need to print out a square shape using …

Hi guys, trying to write a function that reads a text file and counts the periods in it and prints the answer. I keep getting an error saying that UnboundLocalError: local variable 'periods' referenced before assignment. I am not sure how to fix this. We must use a function to …

hi i have made a program to find average and standard deviation. n it read input from other. rest of things are fine plz guide me my output for Standard deiation sD comes NaN. i have searched alot bt couldnot find solution my code is [CODE]import java.io.*; import java.util.*; public …

Okay, so I have two arrays: [CODE]public int[] start = new int[21] { 0, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14 }; public int[] end = new int[21] { 0, 1, 1, 1, 1, 1, 1, 2, …

Hey guys. I'm having some trouble with this error. [CODE] class App(): i = 0 def updateCount(self): i = i +1 app = App() app.updateCount() input('Enter') [/CODE] I have tried global i but get an error 'global name i is not defined'. Can someone clue me in? Cheers :D

I'm new to python and I'm trying to count punctuation in a string input by user, and I"ve been able to do it w/ out a loop, but would like to emply a more efficiant method. I've been able to loop through and grabb the characters, but they are'nt being …

I have a program which consists of two windows (hWnd, and picturewind). I would like to write code which takes an action every time a person clicks inside of the second window (picturewind) but not when the person clicks in the first window (hWnd). Can anyone tell me how I …

I got the Jasypt 1.8 and i have jasypt-1.8 folder but how can i add this new libraries to my project org.jasypt doesnt appear so what i need to do?

alright well i have already posted in the python forum part, now this question is the same one as the one i did for college level computer science but this is for university. any way im pretty sure i have it but before when it was working it would say …

Hi all! The past couple times I posted they were all about 2D arrays.. and here I am again with them =( I cannot escape them! Anyway, the project I'm working on requires a Maze class that holds a 2D array and different types of robots that will find their …

[CODE] //Creating a variable for the connection called //"con" Connection con = DriverManager.getConnection("jdbc:mysql://IP_ADDRESS:3306/DATABASE_NAME", "USERNAME", "PASSWORD"); ... [/CODE] If I don't want at least the username and password to be shown in clear text... is there something I can do? Have them in a file thats encrypted or... I don't know.. …

Hi, I have drawn a human face using simple shapes such as big circle for the face, little circles for the eyes, lines for eyebrows and triangle for the nose. I have been asked to create a template for various expressions of the face (fear, happiness, disgust, etc). Once I'm …

Hi Everyone, It has been some time since I've posted here but I am truly having trouble seeing the forest for the trees so to speak. I have changed my code so many times I missed the time it worked because I want it to do more. Upon Exit btn …

Hi there! I would like a little help regarding the following code. The following code will wait for a non-blocking socket connection, and then wait to receive a certain packet. When the packet arrives, it will do something and then close connection and reinitialize it in order to be able …

I'd like to add (using the mathematical term) two Integer ArrayLists in Java, as well as divide them and multiply. How would I go about this algorithmically? I can't for the life of me think of something, perhaps having to do with two's complements. Okay, so let's say that I …

Hello guys, I need some help with a program that finds all the prime numbers from 2 to 10000,here is what I have so far [CODE] #include <iostream> using namespace std; bool prime(int n ); void main () { int n,b; b=0; for (n=2;n<=10000;n++) prime (n); if () { cout<<n<<endl; …

I need to access a file that isn't relative to the directory that the .jar file is in. I got lucky with another part of the program doing this, but I really don't know how. Thanks, Jack

Hello all, I'm trying to read an ant script through java and find where all its .java files and libraries are located. I've gone through the Apache ant API but couldn't find an appropriate method. So far all I could come up was the below code, it gives the properties …

ok well this is my first thread that im asking 2 questions, im new here, these are from my high school college computer science class, one is newer and one is older, i went back to the older one because I still want to finish it and try and extend …

Is it possible to create a dynamic-sized array of structures within a structure? To provide some info, I want to read some student info off an input file, which includes some miscellaneous information, subject codes and corresponding marks. The number of subjects taken is also provided as a number in …

I am writing a recursive function to return an integer after converting a string. I am very close. This was already quite the brain teaser, and recursion is not my cup of tea. Perhaps somebody can help with this small little problem I am having. The last thing I need …

please install this C++ software and according to image i am getting few errors will some one help me solve this problem ? software link : http://www.ziddu.com/download/17082595/turboc.zip.html image link : http://www.ziddu.com/download/17082611/untitled.JPG.html thank you ....................

I'm writing an alphabet cipher that ciphers at random. It looks like it should work when I'm debugging it but when I look at the cipher key it comes out with duplicate letters like some of them weren't switched during the for loop. Any help is much appreciated. WasSwapped is …

I am new to VB. I use Visual Studio 2010. I got most of my rental program to work, but I am having trouble with the easy part. The First Name and Last Name are supposed to combine to the FullName. I know I have to use the assigning textbox …

I am developing an application in which I have two JPanels (aPanel and bPanel) added to a parent JPanel (cPanel). I need to be able to double click on either aPanel or bPanel to change its color. If I double click on aPanel, it changes color as desired. When I …

Hi Guys, I am almost done with my program, until this problem arises and I can't solve. I have two forms. First form has 1 listbox and 2 buttons. Second form has 1 datagridview and 1 button. The first form opens the csv and list the location+filename of the CSV …

Can u help me guys. I have problem of calling function from class and overloading. When I'm trying to print short int type number, the program brakes down. No errors are shown which tell me whats wrong. [CODE]#include <cstdlib> #include <iostream> using namespace std; int i=0, j=0, zero_fill, l=0; class …

Grade2 Class.... [CODE]public class Grade2 { public Grade2(double input) { Grade = input; } public String getLetterGrade() { if(Grade==(4.0)) message="A+"; else if(Grade>=(3.85)&&Grade<=(3.99)) message="A"; else if(Grade>=(3.7)&&Grade<=(3.8499999)) message="A-"; else if(Grade>=(3.01)&&Grade<=(3.3)) message="B+"; else if(Grade>=(2.85)&&Grade<=(3.00)) message="B"; else if(Grade>=(2.7)&&Grade<=(2.8499)) message="B-"; else if(Grade>=(2.01)&&Grade<=(2.3)) message="C+"; else if(Grade>=(1.85)&&Grade<=(2.00)) message="C"; else if(Grade>=(1.7)&&Grade<=(1.849999)) message="C-"; else if(Grade>=(1.01)&&Grade<=(1.3)) message="D+"; else if(Grade>=(0.85)&&Grade<=(1.00)) message="D"; …

I have a problem with case sensitive input my options are s and b and how to make a program when I input capital B or S to continue? [CODE] // options for selling and buying stocks System.out.println("\n"); System.out.println("Options as single upper or lower case character : "); System.out.println("\tB to …

Hey guys, I've seen very limited examples out there about this unsupported function, however I am sure there must be a quick method to get this done with the Affine Transform ? Any ideas appreciated. Cleo

This is my first post on daniweb :) and i am a beginner in C programming and i don't know so good english :) sorry! This is my program My problem consist of I run the program and i can't get to the [B]scanf("%c",&q);[/B] [I]/* Row 21 after printf. */[/I], …