43,549 Solved Topics
Remove Filter ![]() | |
Hi all, I wish to construct an text editor with linear link list. Now I am writing a function to add a sentence into it and display all. My problem is I can only input a string as it will not take whitespace as input. And I don't understand what … Software Development c++ data-structure | |
file = hfmix2.py error is on line 3 [CODE]# imports from Tkinter import * from sound_panel2 import * import pygame.mixer # create gui app = Tk() app.title("Head First Mix") # create mixder mixer = pygame.mixer mixer.init() # call functions panel1 = SoundPanel(app, mixer, "50459_M_RED_Nephlimizer.wav") panel1.pack() panel1 = SoundPanel(app, mixer, "49119_M_RED_HardBouncer.wav") … | |
So I have this program that involves the user using FolderBrowserDialog. And it works fine ... but the rub is, when the user comes back around and uses the dialog again, the directory is highlighted, but not expanded, and he's asking that it be expanded. LOL! For the life of … Software Development | |
Our teacher have asked us to make a program in C language to read the difference between two cities in km, m, cm, inches and feets... I have tried every hell to make this work... I am not able to combine it all together... please help!!! I am so confused. … Software Development c | |
Hello everyone, I don't know if I'm confused with itoa,excuse me for this if so, but what I'm trying to do is: I have an array of characters, say [CODE]char example[7][/CODE] I assigned the first 4 characters by [CODE]strcpy(example,"Fill");[/CODE] Then I'm trying to fill the next char with an integer … Software Development c++ | |
How can i generarte crstal report bwtween two dates by passing two perameters in vb.net Thnaks in advance. Software Development vb.net | |
This is the folder structure: [CODE]root common.py module1 somescript.py module2 someotherscript.py[/CODE] i need to import common.py from somescript.py and someotherscript.py I also need to import somescript.py from someotherscript.py Software Development python | |
how to put a command using only 2 letters the Y and N? and then prints out a text saying please input y and n only ex: [CODE]System.out.print("DO YOU WANT TO TRY AGAIN [Y/N]? ");[/CODE] Software Development java | |
C Program - Write main and two other functions named ComputeMaximum and ComputeMinimum that return the larger and smaller, respectively, of two type double arguments: 1. Each function must be in a separate file. 2. The files containing ComputeMaximum and ComputeMinimum may not contain #defines, #includes, if statements, switch statements, … Software Development c | |
i have this program...the color program..but i have a problem on converting a string to character. anybody can help me..thanks.. below is the java code import javax.swing.JOptionPane; public class ab{ public static void main(String[]args){ String a; a=JOptionPane.showInputDialog("Enter color: "); // I need to convert the variable a from string to … Software Development java java-swing | |
Hi all, I'm working through the java tutorials on sun.com and trying to create a card class and a deck class which populates with card objects. Having trouble getting things running and I'm not sure where the problem is, pasted below are the card class and deck class, I'd appreciate … Software Development java | |
Hello, first off, I'm new to the forum and, more importantly, writing C++ and working with the iPhone SDK. I was wondering if anybody could help me - I'm really eager to keep learning, and everything has been okay until now. I'm getting an error that I can't resolve, no … | |
Hi, I have written a script that sends daily emails. I want a certain part of the mail text to be in bold. Please advice me on how to achieve this? Thanks. Software Development shell-scripting | |
Hello, I have a 2D array of 10x10 and I want to search the surrounding cells of only a 3x3 portion of it at a time. How can I go about totaling up the values of the following nested loop? There should be a 1 or a 0 and if … Software Development c++ | |
Hey there, I've been attempting some Win32 programming for a while now, but I just can't seem to find a function where I can get the HWND by the resource ID. Just an example: [CODE] CreateWindowEx(NULL, L"BUTTON", text, WS_TABSTOP|WS_VISIBLE|WS_CHILD|BS_DEFPUSHBUTTON, x, y, width, height, parent, (HMENU)IDC_BUTTON_OK, GetModuleHandle(NULL), NULL); HWND btn = … Software Development c++ windows-api | |
I'm currently learning java, and im having a problem understanding what's going on when we use a constructor when inheriting from a class that already has a constructor. The best would be to just throw in my example. I have 2 classes, "Person" and "Employee". "Employee" is inheriting from "Person", … Software Development java | |
![]() | I can't seem to pass a struct address to a function. My program "stops working" when it gets to the scanf statement of the getReady function. [CODE]/**************************************************** Author: ---------------------------------------------------------------------- Purpose: This code will explore passing a data structure address to a function. ****************************************************/ #include <stdio> #include <stdlib> //prototypes: struct things{ … Software Development c data-structure ![]() |
I am trying to find a way to search a filename.rc file for a particular string. For now lets just say I am searching for the string PARTYHOST. After finding PARTYHOST in the file I would like to replace anything after it(so 192.168.0.1) with a new string which I have … Software Development python | |
Hi, I am new to C++ and am getting stuck with just reading in data from a text file into an array. I have looked at lots of examples online, but can't find one that matches what I am trying to do. The data consists of two variables, date and … Software Development c++ file-system | |
Hello everyone. I have recently finished a Winsock Server, and a Winsock Client. The problem is, I do not know what type of a domain/and or server I would have to buy to be able to connect my Winsock Server, to it. I already know that Winsock uses the inet_addr() … Software Development c++ client-server web-server | |
Hi there, Am calling a form from a button in another form. And then I am calling the form as frmSubCDetails subDetails = new frmSubCDetails(); subDetails.Show(); in a button which is in the View Submit form.What I want is how can I make the items in the from frmSubCDetails disable … Software Development | |
I just got my java project (beginner). . and its like this Output: What is my grade in Java? ([I]part where you input a grade[/I]) My grade in Math? ([I]input math grade[/I]) ([I]the next screen shows the grades i input, gets the average, then the shout out of my grade[/I]) … Software Development java | |
Hi, I was working on thread pool, which I used std::vector to implement the pool. [CODE] private: std::vector <handlerthread*> _pool; handlerthread* temp; void threadpool::addWorker() { handlerthread *temp; temp = new handlerthread(this); int x=_pool.size(); temp->start(&x); _pool.push_back(temp); } handlerthread* threadpool::getIdleWorker(){ int idx=-1; for (int i=0;i<_pool.size();i++){ temp=(handlerthread*)_pool[i]; //SIGSEGV HERE if(temp->isIdle()){ idx=i; break; } … Software Development c++ | |
Hi, I'm developing an application, with a main GUI and another GUI that gathers some information. Upon clicking a button in the main GUI, it initializes a second GUI object that has fields for input and then an "OK" button. I need to be able to return the information in … | |
I am self learning c#. and want to display predefined image/text on screen. Please this is not within any frame or window this messages dislays some where on desktop / screen. Like screen saver we see only images and text flashing Similar way I want to display it on screen. … Software Development image | |
I want to arrange the number 1 - 12 like shown below. like the numbers on the clock. [code] 12 11 1 10 2 9 3 8 4 7 5 6 [/code] arrived with the following code: [code=c] #include<stdio.h> int main(){ int e = 11; int count = 10; int … Software Development c | |
[CODE] SqlCommand cmd = new SqlCommand("SELECT MAX(Register_ID) AS Register_ID FROM EnrollTbl", con); SqlDataReader reader; con.Open(); reader = cmd.ExecuteReader(); if (reader.HasRows) { while (reader.Read()) { RegisterID.Text = (Convert.ToInt32(reader["Register_ID"]) + 1).ToString(); } } else { RegisterID.Text = "10000"; } reader.Close();[/CODE] It says [B]Object cannot be cast from DBNull to other types.[/B] I … Software Development | |
[CODE]/* A simple server in the internet domain using TCP The port number is passed as an argument */ #include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include<arpa/inet.h> #include<netdb.h> #include<string.h> int main(int argc, char *argv[]) { struct addrinfo hints,*serv,*p; int sockfd,newfd,status; struct sockaddr_storage their_addr; socklen_t addr_size; char *msg; int len; … Software Development c | |
Hello all. I've completed both a Winsock server, AND a Winsock client using C++. The problem comes in when I attempt to bind a socket to a remote IP address. I get the message "Unable to bind to "IP address" port 80. I know for a fact that both the … Software Development c++ client-server | |
Hello i am developing a encryption/decryption Application in which i am first converting string into its ascii values then reversing this ascii values and then generating the hex values of this reversed ascii values... I have completed the encryption part as i am able to convert the string into hex … Software Development encryption visual-basic | |
I have a DVD inventory record program that creates a DAT file if none exists and then stores the user input. As long as the program is running the user may then advance one record at a time (forward or back) through the files, skip at anytime to the first … Software Development file-system java | |
I'm a student and taking an intro to C class and would appreciate some help! I've got a file with 10 words that I've loaded into a 2D array. I've written code that will generate a random number between 0 and 9 to select a string from the array. I'm … Software Development c | |
I am trying to write code to send a mail message with an attached file. my code works fine if I don't try to attach a file but crashes when I do. I have not been able to figure this out. My code looks like this. [ Dim mail As … Software Development vb.net visual-studio | |
Hello, Im trying to get this program to display a receipt of the items bought with its price and total, but so far this is what I've acomplished, I've been trying for a long time now, to make it print the receipt in the win2 but I haven't been able. … Software Development python | |
Hi everybody! I'm a newbie to C++ and I need some help to improve my skills in c++. *When you make input data "cafe monde" into a string variable, the variable only accept "cafe" and not the white space and "monde". What should I do to retrieve white spacem "monde" … Software Development c++ | |
hi guys, so iam writing a program which creates a .bat file in a directory and copies it to another directory through copyfile...the problem is that while the .bat file is created properly but when it's copied to the other directory an error occurs saying its not a win32 appropriate … Software Development c | |
Howdy, I'm a GIS guy trying to get my hands dirty with some Python. What I'm trying to do is iterate through a file (shapefile), reading specific fields from each row of the file's associated table. The table has thousands of rows, which is why a Python script is handy … | |
I used datetimepicker.value.date to insert the value in database. Then I used this [CODE]dateTimePicker1.Value= Convert.ToDateTime(dt.Rows[0]["Issued_Date"]);[/CODE] But it doesn't work, neither .ToString(). Software Development | |
Hi, I want to know how to read the binary file from 10th byte to 90th byte in a file size of 100 bytes and need to write the read data into new binary file. please help me in doing this. Software Development file-system python | |
i was looking at this code and thinking when is it a good idea to use the do-while method. [CODE]import java.io.*; class ValidHex { public static void main(String[] args) { Console console=System.console(); String hex; boolean valid; do{ System.out.println("Please enter a valid hexadecimal number"); hex=console.readLine(); if(hex.length()==0) valid=false; else valid=true; for(int index=0;index<hex.length() … Software Development java | |
Hi there, I have a form that loads data from the database and the and tose data are being disabled so that the user can’t edit any information on it. In the same form I have two radio button as received and denied, Weh I select deny another small form … Software Development | |
Hi I have been trying to install the ERIC python IDE [url]http://www.die-offenbachs.de/eric/eric-links.html[/url] for a while now to no sucess. I could not i kept getting errors when installing the QT module [code] Determining the layout of your Qt installation... Error: Make sure you have a working Qt v4 qmake on … | |
Hello, here's the setup for the project. I have a WCF Service that is hosted on a net.tcp binding in buffered mode and ReliableSession enabled. The binding is configured to use TransportWithMessageCredential security. The certificate is a self signed certificate that I am identifying using the Thumbprint. The UserNameValidator is … Software Development cybersecurity | |
brothers, please teach me how to show error message when a user input non-character type value? i try myself while i use if statement, but it will show me the error message too when type character type or string type. [CODE] if(name > 0) { system("cls"); printf("\t\t============\n"); printf("\t\t ALERT! \n"); … Software Development c | |
Hi all, I literally only started looking at shell a couple of hours ago. I am looking to do just one task, which I think should be quite straight forward. I will try explain it as best I can......... Basically I am trying to automate the grep command from ubuntu … Software Development perl shell-scripting ubuntu | |
Hi i am a newbie to perl.. I have a script which copies files from local machine to a remote machine. I am using Getopt::Long to get the command line arguments. "-d" : for directories "-f" : for files doubt #1 GetOptions ('d:s' => \@dir, 'f:s' => \@fil); If i … Software Development perl | |
Dear All, I am calling a perameter crstal report which i have made in visual studio when i enter criteria in textbox it does not compare and prompt all the record how to resolve it please help. [CODE]Imports CrystalDecisions.CrystalReports.Engine Imports CrystalDecisions.Shared Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, … Software Development vb.net visual-studio | |
Hi everybody. I'm developing an application that sends keystrokes to another background application. The problem is that i have so send a "Alt+F", but i can't get it to work. I'm using PostMessage: [CODE] [DllImport("User32.Dll", EntryPoint = "PostMessageA")] private static extern bool PostMessage(IntPtr hWnd, uint msg, int wParam, int lParam); … Software Development html-css |
The End.