Software Development Forum

hi, i have a script that converts hex to bin and bin to hex back. however, when converting back to hex the leading 0s are truncated. how to maintain the leading 0s? i'm using Python 2.5 and Win XP. tq [CODE] import binascii import string def byte_to_binary(n): return ''.join(str((n & …

Hi, i have this datagridview containing column: {product, price, quantity, Total price}, and a 'calculate' button. I need to enter the quantity column and when I press 'calculate' button, it will calculate total price by price*quantity what i am struggling now is how to grab the 'text' in "quantity" column, …

Button is disabled until a radio button is selected.

I'm writing a program that inputs the amount of money and outputs it preceded by dollar sign and divided by commas into groups of three digits I'll enter the money as string and call function called mstold()and returns an equivalent number as long double so my problem is how can …

Hello, this is an odd problem, I have a method that goes through a list (in a foreach cycle) and writes every string found in the list to a text file, each string in a new line (then a blank line) then the next string. The list contains 106 strings, …

I'm very new to Java 4 1/2 weeks into my intro to java, I have to write a program that asks user for an integer, the program will then add up all integers from 1 to N and display output message the sum of integers from 1 through (integer input …

private void tbNuevo_Click(object sender, EventArgs e) { ... connections up in the Load.... botones("NUEVO"); limpiar(); txtNombre.Focus(); oCC = new OleDbCommandBuilder(dtc); DataSet dst= new DataSet(); dtc.Fill(dst, "contador"); iPosact = dst.Tables["contador"].Rows.Count - 1; DataRow dtr = new DataRow(); [B]dtr = dst.Rows.[iPosact]; //error in this line vUltimo = dtr["regnum"]; // error in this …

I'm got write a simple calculation. which only use % and / .but when i key in different number. the result is different.Who can help me. [CODE]private void button1_Click(object sender, EventArgs e) { decimal x = txtPer.Value; decimal y = txtQty.Value; decimal j= y / x; decimal k = y …

I'd like to load an audio clip and play it multiple times in response to a button press events. Application is a piano simulator, with 88 sampled .wav files bundled in a resource. Using JMF, I can easily load the audio file and play it once, it doesn't play the …

I'm a newbie to Java, so I'm sorry if this is a silly question. I'll post the code first, then explain my problem. [CODE]import java.util.Scanner; class CharacterOperations{ public void run(){ System.out.println("1. toUpper"); System.out.println("2. toLower"); System.out.println("3. Alphabet"); System.out.println("4. Quit"); int input; Scanner sc = new Scanner(System.in); input = sc.nextInt(); while (input …

hey, this code I wrote wont work. The 2nd and 3rd buttons wont show up in the program. [CODE] #include <windows.h> /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); /* Make the class name into a global variable */ char szClassName[ ] = "WindowsApp"; int WINAPI …

Hi, I'v just started learning VB. i need help with a program that allows the user to enter a month and a number of years. (e.g March and 10 years) The program then displays all the months of the year from the entered month in a loop that runs as …

I wrote an operating system in 16bit asm (NASM), and thought it was easy. Then I came up with the crazy idea that I could learn 32bit asm.. And quickly became disgusted. All of the 32bit tutorials out there TELL you to use C or a similar language; I want …

I know how to replace part string... [code]if (linia->Contains("system_token")) {poprawka = linia->Replace( "system_token", systems );}[/code] but what should I do, If i need to replace ENTERs (linebreaks)... For example: User type in textbox [code] Hey, I am Michael [/code] The result (taken as variable) should be: [code]Hey,</br>I am</br>Michael[/code] Thx!

I'm suppose to use Command-Line Arguments to take user input and than use an enhanced for loop to sum. [COLOR="Red"]This is the error: Exception in thread "main" java.lang.Error: Unresolved compilation problem: Type mismatch: cannot convert from double to int[/COLOR] [CODE] public class EnhanceForLoop { public static void main(String[] args) { …

Hi I was looking help with a null pointer error I get everytime I use my newgame button or start the newgame method. What the game should do is guess 1-1000 then change the screen when the user's guess is too low , too high, and correct. Once the user …

I am following a series of programming challenges for beginners, this challenge requires interactive commandline input which is a pain in java. Therefore I've made a small class in another file to handle the user input. When I try to compile the main class ('external' class compiles without problems) I …

[CODE] Imports System.IO Public Class frmRODSelectPage Private Sub btnSelectImages_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSelectImages.Click '--------------DECLARE VARIABLES------------------------------------------------------------------------ Dim FileName As String Dim Export As String 'filename only Dim DidWork As Integer Dim InitialDirectory As String = "E:\Hasbro\CaptureImageFolder\" Dim HotFolder As String = "E:\Hasbro\CaptureHotFolder\" '--------------END VARIABLES----------------------------------------------------------------------------- '--------------EXCEPTION HANDLING------------------------------------------------------------------------ …

I have a groupbox with quite a few checkboxes. I want a specific textbox to have custom string per checkbox in the text box. Exemple chckBox1 chckBox2 chckBox3 chckBox4 chckBox5 chckBox6 I checked 1, 3 and 6 So my textbox will contain as text ckbox1, chkbox3, chkbox6 if i uncheck …

Hi, its an assignment i need to do. The while loop working on well when i input an integer but when a letter is being input, the while loop run for infinity. I had seen through the other thread but still cannot understand how to do. Please help... [CODE]while(choice!=1&&choice!=2&&choice!=3&&choice!=4) {cout<<"The …

Here is the XML code i am trying to work on... [CODE]<GBSeq_definition>RecName: Full=Solute carrier family 2, facilitated glucose transporter member 1; AltName: Full=Glucose transporter type 1, erythrocyte/brain; Short=GLUT-1; AltName: Full=HepG2 glucose transporter</GBSeq_definition>[/CODE] I want to extract the elements such that I get the output as [CODE]<aliases> Glucose transporter type 1, …

So this is my first post. I looked everywhere and can't find any help. Here is the problem: Create a 2 dimensional array of integers with 3 rows and 8 columns. Fill this array with 0’s and 1’s (binary numbers) randomly. Each row represents a byte. You are to add …

Can't believe it has gotten to this. I cannot for the life of me figure out what is messing up my desired outcome. Here is the story: I have a small GUI program for a sports club. I have 3 list boxes, 1 for each U10's,U12's and U14 children. I …

Hi, I am fairly new to XML and XSL. I tried reading through a few online tutorials, but have been unable to figure out the best way to transform my xml correctly. Below is a part of my sample XML: [CODE] <row> <row_element column="0" property_name="EventTypeName">Start</row_element> <row_element column="1" property_name="ObjectName">Process001</row_element> <row_element column="2" …

Basically If the user does not enter a string or character or press any keys after a certain length of time, program will goto or ask again.. or do whatever.. Problem: Not allowing the user to enter input.. Note accepting user input.. [CODE] #include <windows.h> #include <stdio.h> #include <iostream> using …

Hi everyone, I made a program that will check if a process is running.. it is supposed to detect if a process is running and start a timer. If the process has been ended, the timer is paused.. when the process is restarted, the timer continues from where it last …

Here is an excerpt of my input xml. I need to create an exact copy of this xml with only one change – the value of the element <FinancialNumber> should be formatted as a string of 5 characters – for example, in this case 1 should be replaced with “00001”. …

Trying to get an outcome that looks like this.. # ?# ??# ?# # What I'm getting is this... # ?# ?#?# compiles ok, but as you can see it places the # after each ? rather than grouping them together, and it neglects to count back down. Don't want …

Greetings to all, Wondering if someone can help me with a basic VS C# problem? Help much appreciated. I can read my plain text file into an array and display one line at a time on the console with this code. int indexInt = 0; string fileString = ""; string[] …

I am trying to replace a fixed field name in an XML file with data. I know that I could do it the proper way using XML tools, but, this is a standard templae file that only needs one item replaced. It seems simpler to just hack a replacment. [CODE] …

I have two lists which contain titles and links to interesting pages (trying to write a scraper). Where I'm falling down is on the actual printing. [CODE]for i in var1: print i for a in var2: print a[/CODE] Prints all of list 1 and then all of list 2. If …

hello friends i am new in c# i am started learning it from 2 days ago.bt now my teachrs say that everyone should make mini project in c# widow base. i have no ideas abt it can u give me suggestions about it plzzzzzzzzzzzzzzzzzz

I have a datagridview and a status strip on my form. When I click a row or cell, the label from the status strip should change according to it's row number. My datagridview is being generated at run time by a dataset.

Not sure why my comparisons aren't working between my input (text) and my several char arrays. I'm trying to get the user's input to terminate certain functions as you'll see below. I realise it's not the most efficient code but if there's anything obvious I'm missing please let me know. …

I created a console program in jcreator (java) which asks the user to enter a number in string and converts that string value into char array and then converts each char array into an integer which I also stored each as an array and then adds all the value from …

Hello! I'm a beginner in the worl of C++. I'm building a program that acts as a launcher for a game. In it I have Start and Exit button. What I want the Start button to do is start an .exe with extra conditions: IP and Port. [CODE] if (nResponse …

Hi Everyone, Can you tell me how to fix my query so I can determine if an amount entered into a textbox is < the largest number in a database table? Here is some sample data: [CODE] CategoryNumber ---------------- 10 20 30 40 50 [/CODE] If the user enters 35 …

So I've only been programming for a few weeks, and I thought that I'd learn how to program by converting a rather complicated baseball board game to a program. I'm writing a preliminary program that stores player information from a card into a random access file. My Struct holds the …

Hello Members, I am trying to solve the following problem using threads: Thread_1 outputs values from 1 to 1000. Thread_1 waits. Thread_2 outputs values from 1 to 1000. Thread_2 now waits. Thread_1 outputs values from 1000 to 2000. Thread_1 is done. Thread_2 outputs values from 1000 to 2000. Thread_1 exits …

Hi guys I'm a newbie, and can't figure out the problem with the following code. I get the error inthe line in Bold. Please help [CODE]private void Form1_Load(object sender, EventArgs e) { con = new SqlConnection(); con.ConnectionString = "Data Source=.\\SQLEXPRESS;AttachDbFilename=C:\\Users\\KAMESH\\Documents\\Visual Studio 2010\\Projects\\bankDBApp\\bankDBApp\\bankAcc.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True"; con.Open(); MessageBox.Show("Connecting to SQL Database", …

hi all....... I m running a program in windows like this import os os.system('snmpwalk -v2c -c ar441c 192.168.1.10 .1.3.6.1.4.1.18489.1.2.1.1') when i run this i m getting error like [B]SNMPWALK IS NOT RECOGNISED AS A INTERNAL AND EXTERNAL COMMAND,OPERABLE PROGRAM OR BATCH FILE[/B] so anyone can plz help me........ thanks in …

Hi, I currently have a method that is called on a ActionEvent of being clicked. Now I want to call that method from another method. Is there a way to do this with out having to just copy and paste my code into another method and just call that? This …

I was wondering why are there so many methods for adding a row to a DataGridView consisting of textboxes. I have 4, if you find more let me know. Have made a WindowsFormsApp and put on it a DataGridView, with 3 standard columns to it and a button with the …

[CODE]#include <stdio.h> #include <string.h> typedef struct { int count; // counter to use the word's occurrence char *word; } word; int main() { word myword[50]; FILE *myfile; if ((myfile = fopen("wordlist", "r")) == NULL) { printf("\n Error:Can't open file \n "); exit(0); } char str[99]; int position = 0; while …

Say I have some code: [CODE]<input type="text" name="{$valcompname}/@LikelyWeeklyUnfRental" value="{$valcompdata/@LikelyWeeklyUnfRental}" id="RentalValue" style="text-align:right">[/CODE] I want the text box to output a value in a format $#,##0.##. At the moment I can only get it to display only decimal place. I have tried using the format-number function with that regular expression, but no …

Any Ideas on how to get a picture of just a certain program widow and not the entire Desktop? This is the Code I used to get a pic of the Desktop [CODE] Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick Dim bounds As Rectangle Dim …

Hi guys i am trying to write a program that counts the number of lowercase characters in an input file and display the two most used lowercase letters. My problem is I dont know how to get my program to count each lowercase character and save them into an array …

Please ! Could someone tell me where i can find pdf tutorial for C# in web based... i have a tutorial here but this is for console application... please help me ! ^__^ thanks in advance guys !

How do I create a pointer for a struct. This is an example [CODE]typedef struct worker_t { char name[25]; job_t title; double payrate; double hours; }; int input(worker_t); [/CODE] I tried it here [CODE]worker_t employee[10]; worker_t* ptr_worker; *ptr_worker = &employee; input(worker_t employee[10]); [/CODE] I know how to use pointers on …

Good day to all. How can I transfer entries from listview to disk using System.io? Help is appreciated. Thank you. :-/