Software Development Forum

Hello, I was recently looking through some of my code and found what I believe to be a memory leak. It is in a function that appends two strings and I am not sure how to resolve it. Here is the function: const char *strapp(const char *str,const char *s) { …

i have a .csv file contain some name as below: William Shakespeare charlie chaplin david Copperfield and i'm supposed to write a java program that will turn the input above into the output below: WS cc dC but i still couldn't get the output that i want, i wanna ask …

I'm quite a newbie when it comes to coding, but i feel like i have done everything as it should be. I believe to get a transparent label i need to use the code - Label1.Parent = PictureBox1 Label1.BackColor = Color.Transparent I double clicked my picture box and inserted the …

This is what i have so far. Private Sub Button7_Click(sender As Object, e As EventArgs) Handles Button7.Click Timer2.Start() Button7.Enabled = True Label8.Text = "Match Begins" End Sub Private Sub Timer2_Tick(sender As Object, e As EventArgs) Handles Timer2.Tick ProgressBar1.Increment(1) If ProgressBar1.Value = 3 Then Label8.Text = "1st Half" End If ProgressBar1.Increment(1) …

I'm trying to write a program in which a message box is to appear on the application window when the application is launched. The code below produces the message box, but it appears as a separate window that is not over the application window. Is there a way to fix …

I have table-accessonbook and second table as report register I want to fetch data from one table as name,age,sex with unique id from 2nd table i want fetch Hb with same id so that when i enter peticular id it should fetch data from both tables linked to that id. …

Hi I've written this small program to demonstrate the Diffie–Hellman key exchange algorithm. The desired output from the program is for most runs correct. However occasionally there are some discrepancies in output of the shared secret keys values in that they don't match, when they should. I've found that certain …

what is the usage of getch() function? how to creat recovery softwear?

How do I detect left mouse button down and up events on the 'Close' option of the system menu that appears when the mouse is clicked on the top left corner of a form?

import java.util.Scanner; package p1; class Electricity { int cread=18634,fix_rate,due,ub_tax,curr_charge,bill,to_bill ; int pread,unit ; System.out.println("fix_rate="); Scanner sc=new Scanner(System.in); int fix_rate=sc.nextInt(); System.out.println("due="); int due= sc.nextInt(); System.out.println("ub_tax="); int ub_tax= sc.nextInt(); System.out.println("curr_charge="); int curr_charge= sc.nextInt(); System.out.println("unit="); int unit=sc.nextInt(); public void calc() { do { pread=cread-unit; System.out.println("fix_rate=" +pread); } while(unit<200) { int c1=2.75*unit; System.out.println(c1); } …

Write a program in Java to create an applet which take radius of a circle as input and find the area of a circle and draw the circle. Java Code: // Java Document import java.applet.Applet; import java.awt.Color; import java.awt.Event; import java.awt.TextField; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.Ellipse2D; class Circle extends …

/* Made in code::blocks 12.11 -randomly generated terrain mirrored to be equal for bought players - - */ #include <iostream> #include <windows.h> #include <stdio.h> #include <string.h> #include <ctype.h> #include <fstream> #include <cstring> #include <string> #include <cstdlib> #include <ctime> #include <sstream> #include <cctype> using namespace std; //Public functions char printMap(char terraniValue); …

Hi I got this error ImportError: No module named Crypto.Cipher Where can I find the module for windows and debian linux? How can I fix error both in windows and Linux? importerror no module named crypto.cipher windows Traceback (most recent call last): File "C:\Users\Win/\Desktop\client.py", line 2, in <module> from Crypto.Cipher …

Hey im trying to run background music when the user clicks the button. below is my coding. when i run the program, it says file cannot be found. any help would be appreciated [CODE]import javax.swing.*; import sun.audio.*; import java.awt.event.*; import java.io.*; public class Sound { public static void main(String[] args) …

This seemingly small code which swapps 2 numbers is giving me a headache..help!! C++ + am wondering why would one need to swapp the numbers in real life? trickery? magic

I have a dictionary [CODE]dict1={'18':['4000','1234'],'12':['7000','4821','187','1860','123','9000']}[/CODE] I want to sort the keys and values such that, the output is, [CODE]dict1={'12':['123','187','1860','4821','7000','9000'],'18':['1234','4000']}[/CODE] I tried something! but it didn work [CODE]>>> for values in dict1: ... dict1[values].sort() ... >>> dict1 {'18': ['1234', '4000'], '12': ['123', '1860', '187', '4821', '7000', '9000']}[/CODE] Full sorting happens for …

i made a project using visual studio and opencv ,it worked fine. however later i thought of adding GUI. i googled and found abput QT.some how i managed to include libraries and build paths,when i use **C fucntions of opencv** the program works fine but when i use ***c++ features …

Hi there, I am planning to create one robot choosing center. But I do not know how to use the idea to execute in python software. my idea is, let say a customer wants to choose a robot how to use the rule below to execute in python: IF the …

I have a python code that reads several csv files and writes teh data to a single file but every time it loops back around to the next file it prints the headers again. Is there a way to stop this I can post my code if it is nessisary.

Hello every one, What i need to do is to make an array of my own class and then assign values to that array I made an array and when i try to assign value it gave me an exception Your support is highly appreciated. static void Main(string[] args) { …

i am trying to vendor specifc attribute from this WMI class MSStorageDriver_FailurePredictData(HDD SMART information). Here is the used code : IEnumWbemClassObject* pEnumerator = NULL; hres = pSvc->ExecQuery( L"WQL", L"SELECT * FROM MSStorageDriver_FailurePredictData", WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); IWbemClassObject *pclsObj = NULL; ULONG uReturn = 0; while (pEnumerator) { HRESULT hr …

I'm doing a system in VB.net 2012 where a user inputs a data on a textbox and then if the user clicks on the button, the data in the textbox will show on the datagridview. The problem I'm having is when I input another data, the current data shown in …

I want this structure variable as well as all the structure elements to be used in multiple source(.cpp) files. I did like this and getting did like this and getting following errors. I am using vs2010. Please help me i am a newbie. Error 2 error LNK2001: unresolved external symbol …

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package theaterrevenue; import javax.swing.*; import java.awt.*; import java.awt.event.*; /** * * @author */ public class TheaterRevenue extends JFrame { final double percent = .20; double adultCost; private JTextField label2; private JTextField …

I have a multiselection listbox. I want to see the last selected item (which the user just selected). I can't find any way to do this googling.. Thanks in advance.

Hi all, I've just started out with programming and I'm working on a Binary Tree of integers. I have the Node and BinaryTree classes almost complete, but I'm having a derp moment trying to test my minimumVal method from the main and not sure on what to pass into the …

Helllo I have a database acess (db) with column ID, Age, Sex, Name And a windows form1 (vb.net) with textbox as ID and a button "search". A second form2 having textboxes as ID, Age,Sex. Name When i enter ID no. with search buuton it should retrieve data from db to …

I've got some winforms partial classes marked `[Obsolete]`. Unlike when applying this to methods, I get no warning after building. Is this because it's set on a partial class? I can't set it in the designer too, because that code can/will be regenerated. Anything I can do about it with …

Hello! I have a remote database that will be accessed through a client program. The thing is, I want the client to auto detect the IP Address of the machine where the database is located, so that when I initialize the value of my connection string it would be like …

The aim is to create a gdb function that changes current path to the upper level i.e `C:\Windows` to `C:\` I tried to strip away characters while the buffer array != '' Here is what I tried: void gdbCommand(){ char buffer[MAXCHAR]; strncpy(buffer,path,sizeof(buffer)); char result[MAXCHAR]; for(int i = 0; i < …

i am new to the e2glite due to assignment required. Currently using SWI-PROLOG as my coding software, and now i was copy some example code and also downloaded e2glite.jar from e2glite web, after i follow their instructions, i am able to view the java on browsers but i can't able …

Hey guys, this is my first project since I completed [CodeAcademy's](http://www.codeacademy.com) Python course yesterday. Besides that course, this is my first time programming and I would really appreciate input on my program. I decided to create a database to help me keep track of the anime I watch. For this …

I have an array of characters. I am trying to find "houston". The only way I can think of to do this is to use a for loop and check each individual character. Is there an easier way to do this? char string[] = "Fishing tourism miami atlanta dallas houston";

python3 Hi I am trying to compare these two (strings) of numbers. There may not be a space inbetween the numbers in the file, but here its just for clearity. I want to take the value of 40 and compare it with 14 then 18,35 and so on until 54 …

I have teo form form1 and form2 i want to pass form1 textbox1 text in form2 textbox1.text whae i click a button of form1.(Its for windows application) Plz give me some help......

I cannot for the life of me get my GUI to comeup with my deckPanel displayed along with my JButton that I intented to add an Action Listener to. THanks for looking. I am sure it has something to do with my object creation and method calls. import javax.swing.*; import …

Hi I want to count the number of occurence of each characters in a string from a client then the server will compute the occurences and pass back to the client the result.You may have noticed that I used String for result coz im planning to send a string to …

i have this for my requirement assignment: Write a search function int get_index(const float astm[?][?], const int size) to find the array index from a given size. can someone give me some hint on how to di it pleass?

I need to create a form with 2 text boxes to receive numbers as input and 1 command button that displays a message box containing the larger of the two numbers. To do so, I need to write code in the Click event of the command to call a user-defined …

My Rational class code: from __future__ import division import math as _math def _gcf(a, b): # Returns the greatest common factor of a and b. a = abs(a) b = abs(b) while b: a, b = b, a % b return a class Rational(object): def __init__(self, numerator=0, denominator=1): # Contructs …

Cant tell what im doing wrong no matter what numbers i enter it always return as a F and I cant get the average to calculate correctly plz help i uploaded the file also Below is the assignment Create an application that allows a teacher to enter three test scores …

Ok i had this in another question i asked yesterday and now im posting it in its own thread. I have a code that is supose to read files that are sent to me daily and after they are read i need to have them moved from their origional folder …

Hello I am new to python coding and have a couple of things that I could really use some help on. I need to move some sor files from one folder to another and to add a date and time to the facts sheet that it produces if any one …

interface Interface1 { public int method1(); public int method2(); } public class Salary implements Interface1 { public static void main(String args[]) { int sa[]=Integer.parseInt(arg[0]); float pf,hra,da,tax,net; public int method1() { System.out.println("salary="+sa); try{ if(sa>250000) { pf=sa*5/100; hra=sa*10/100; da=sa*8/100; tax=sa*10/100; net=sa+tax; System.out.println("Net salary of an employee"+net); } } catch(Exception e) { System.out.println("I/O …

Hi, I am working on a project building a scanner based on Lex and Yacc. I have added "gettimeoftheday" function to display total scanning times, now i want to find a way to print the line numbers in the terminal.plz if anyone can help me in this.Here is my yacc …

#include <iostream> #include <cstdlib> using namespace std; // function prototype for add int add (int x, int y); int sub (int q, int r); int mul (int s, int t); int divi (int u, int v); int main () { int a,b; char ch; loop:cout<<"ENTER CHOICE OF OPERATION: + - …

Hi, I have problem going through database (im using microsoft access) tables with BindingNavigator. Basicly I want to have BindingNavigator which goues through database tables (not the table rows) in DataGridView. For example if i press next button on BindingNavigator, I want to see next table in the database. I …

Hello, I am trying to figure out the direction i would need to go in order to create the circuit in Digital Works. Right now I am stumped. I do have a working asynchronous counter that can go from 0-13. Can you help push me in the right direction?

I'd like to know main differences between C and C++,because they look similar.

I have a server and a client. I wrote handlers for send button and receive. When I send a string I am receiving only first two chars and then some japanese chars of the string on the receive side. I wanna receive the entire string.Please help me . This is …