Software Development Forum

cn anyone help me how to develpo a project on telephone billing system in c++

I was thinking if it would be possible to create a JFrame, and make the title of it to change, such as make the title work as a counter that will display some text like: The window was opened for 1 second. The window was opened for 2 second. The …

Hello, I have a countdown timer. The countdown timer counts down in miliseconds. I have worked out hours by using the sum: (((millisUntilFinished / 1000) / 60) / 60) Now minutes, I did this today and I seriously can not see how minutes works, but it does, here is what …

by some reason the TextOut() function don't show me the text:( but see these code: #include <iostream> #include <string.h> #include <windows.h> using namespace std; int main() { HDC a=GetDC(GetForegroundWindow()); cout << GetLastError();//i get 0(no errors) Rectangle(a,3,4,3+80,4+20);//the rectangule is showed TextOut(a,10,10,"hello world",strlen("hello world")); cout << GetLastError();//i get 0(no errors) cin.get(); } …

I have el next dataframe from pandas import * from numpy import * data=read_csv('enero.csv') data Fecha DirViento MagViento 0 2011/07/01 00:00 318 6.6 1 2011/07/01 00:15 342 5.5 2 2011/07/01 00:30 329 6.6 3 2011/07/01 00:45 279 7.5 4 2011/07/01 01:00 318 6.0 5 2011/07/01 01:15 329 7.1 6 2011/07/01 …

Im puzzled, the thing is, i have a software that was running ok, with a connection of to access 2010 db. A rotine to add a customer, to the database that was already coded, started to fail. saing that the insert method of the tableadapter was not avalaible. the tableadapter …

Greetings. Is there an easy way for an app to find out at runtime, if it is a console app or a form app? Any answer would be greatly appreciated.

H guys, I just faced a probelm with my code.It raises an exception.This is the code. conn = oSubPayItemDescription.GetDbConnection() cmd = New OleDbCommand("SELECT [sub_pay_item_quantity].[quantity],[sub_pay_item_unit_rate].[rate] FROM " & "[sub_pay_item_quantity],[sub_pay_item_unit_rate] WHERE [sub_pay_item_quantity].[sub item]=[sub_pay_item_unit_rate].[sub item] AND " & "[sub_pay_item_quantity].[sub item]='" & subItem & "' AND [sub_pay_item_quantity].[bridge type]='" & bridgeType & "' " & …

I'm having trouble with this part.My professor wants us to do this, when each button is clicked it 'gathers' the input and calls a sub named Result. I'm guessing we're suppose to use a Sub names Result that will call the other sub procedures. this is what I have so …

hi , i am trying to write code to remove specific word from the text entered by the user do do { Console.WriteLine("enter your text"); input = Console.ReadLine(); text = input.ToLower(); result = text.Replace("remove", ""); Console.WriteLine("Edited text:" +result); } while(text == null); { Console.WriteLine("enter your text"); input = Console.ReadLine(); text …

write a program that asks the user to enter five test scores. the pogram should display a letter grade for each score and the average test score. write the following function in the program. calc_average-this function should accept five test scores as a argument and return the average of the …

As you know the inventor of the game chess was quite a clever fellow. As the story goes the inventor presented the game to the king and the king was quite pleased. The king asked what the inventor wanted as paym ent. He asked for a grain of cereal for …

import java.util.NoSuchElementException; import java.util.Stack; public class StackList<T> implements SomeList<E>{ /* Comments * only use offer(), poll()/remove, isEmpty(), and size() methods*/ private Stack<T> stack=new Stack<T>(); public StackList(){ Stack<T> stack=new Stack<T>(); stack=stack1; } public void push(T thing){ stack1.push(thing); } @Override public T pop(){ if(this.isEmpty()){throw new StackOverflowError();} return stack1.pop(); } @Override public void …

i have 1 class Multithread, but seems that i have some errors:( #include <process.h> #include <string> using namespace std; class MultiThread { private: void * b; public: void ParameterList(void *c) { b=c; } void Thread(unsigned (__stdcall*) (void *) ) { _beginthreadex(NULL, 0, (__stdcall*) (void *) , b, 0, NULL); } …

I am trying to update with this code Result.updateInt("bank_ac_no",Integer.parseInt(acnotxtfield.getText().trim())); //this is the line I'm getting error. Here is the Trace java.lang.NumberFormatException: For input string: "2737383928291819" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Integer.parseInt(Integer.java:495) at java.lang.Integer.parseInt(Integer.java:527) What's wrong?

Hi everybody, I'm interested in creating a web crawler, but can't really settle on what I'd like the program to do. It's more of an exercise in the technology, and expanding it to achieve new, great things. I am proficient in Python, so I will naturally be using that language, …

Is java a platform Independent language. I think its no? My question is in what respect java is totally platform dependent. Is there any case? Share with Us. I have seen this question. So please reply quickly. Java is probably one of object oriented programming. Does it purely object oriented …

I'm trying to create a list stack that implements some interface called SomeList The list stack should only use stack with no links. the itnerface has a number of methods that I would like to implement. So for SomeList I have something like public interface SomeList<T>{public void plus(T something);public E …

can anyone explain to me what is: 'T', 'L', 'wchar_t', 'LPCWSTR' and 'LPCTSTR'? how can i convert strings\char* to these types? (i understand these isn't a tutorial, but i realy need these introdution) or you can give me just a nice link.

This may be a simple error but however. I was running my simple programs as normal and then when i went back to the program later to copy some code there was an error message highlighted underneath the first brace of my main() function. The error states - error: first …

import random Number = random.randrange(100)+1 Tryz = 1 Attempt = int(raw_input("Please enter the number of attempt you want: ")) Guess = int(raw_input("Please guess the the number: ")) while Attempt != Tryz and Guess != Number: Tryz += 1 if Guess < Number: Guess = int(raw_input("Try a higher number: ")) else: …

Hi, I'm learning python and I'm having a bit of a problem sorting dictionaries. I'm getting dictionaries that look something like this: {'usain': [2, 52], 'tyson': [1, 11], 'carl': [3, 110]} which follows the format {'name': [score,time]}. I want to get a list of the names sorted by the highest …

If I input an arbitrary amount of points [x1,y1].....[xn,yn] into a function I need to somehow return/print the shortest distance between all of the points. I understand how to find the distance between two points (fairly easy and straight forward), but how do I take an arbitrary amount of points …

Hi, How do i debug an eclipse plugin project? When I go to the MANIFEST.MF file- > Testing section - > Launch an Eclipse application in Debug mode,it starts debuggin the worspace code. I havent any breakpoints in the workbench code. how to i avoid this. appreciate a response thanks

No idea how to get my scatter plot to talk to my colorbar. I have taken endless approaches and consulted every forum all to no avail. I am either very close or nowhere near, surly this should only be a one or two liner?? Please help. import matplotlib.colors as cols …

I want to add numbers to an array using scanf What did i do wrong? it says expected an expression on the first { in front of i inside the scanf... void addScores(int a[],int *counter){ int i=0; printf("please enter your score.."); scanf_s("%i", a[*c] = {i}); }//end add scores

The thing that i don t understand here is how can you put a FUNCTION that hasn t yet evaluated into a integer(will evaluate later but at the moment of the recursion it hasn t) into a int variable? Once n equals 0 the int smallResult will get populated but …

In the following example two threads share int counter. The increment_thread thread increases counter by one . The decrement_thread thread decreases counter by one . I use semaphore to control access to counter instead of making the two methods synchronized. Is this the proper way of using semaphore? When should …

hi i have msflexgrid with 4 columns; date, Name, Agent and Amount. Am looking for help on how i can show totals on the amount column to show below the last figure on the amount column.. i will appreciate any suggestion or help thanx

Dear Programmer, I was asked to develop a console programme that reads an integer n and a list of up to 5 divisors (also integers) from the console and computes the sum of all integers up to (but excluding) n which are divisible by any of the five divisors. For …

imagine these line: cout << "glória vitória"; //glory vitory why instead print 'ó', prints '3/4'(the ascii char)??? changing the console font name, can resolve it?

We have a list of numbers, for example, [1,1,1,1,2,2,3,4,5,3,3,3,11,12]. Because we have four 1's, two 2's, etc. The new list would be as followed: [1,4,2,2,3,1,4,1,5,1,3,3,11,1,12,1]. I have the following code, but I am stuck. Can anyone give me advice? def rlEncode(data): for i in range(len(data)): n = data[0] if n …

Hey guys, I have a homework problem that I'm having issues with. I've been having a difficult time understanding classes and what the point of them is when I feel like I can just write everything in main without using a class, but I'm forced to use them anyways. This …

I am creating a basic hangman game using tkinter. The last thing that I need to do is to add a widget that has an image to show the actual hangman. However, I keep getting this error whenever I try anything: File "C:\Program Files (x86)\Python\lib\tkinter\__init__.py", line 3287, in __init__ Image.__init__(self, …

write a program in python that gets the word from the user and tells them if it is a parindrome or not.your program should not care about capitalization

improve the word jumble game so that each word is paired with a **hint** ,then the program should display the corresponding hint.use nested sequence to store the words and hint

PHow do we improve the word jumble game so that each word is paired with a hint. if the player enters hint then the program should display the corresponding hint using a nested sequence to store the words and hint.

Dear All, I have studied in my book that after compiling the RMI server it will produce two Class files RMIServer_Skel.class RMIServer_Stub.class But I have succesfully ran the RMI server and made the client connection, but i could not find any Stub or Skeleton files in my workspace. Why is …

Hello all - I am writing a Depth First Search program in java for the eight puzzle problem. I have completed the coding but for some reason I am not able to print the exact depth at which nodes are being searched. Here is two of the methods that does …

CSCI-15 Assignment #4, operator functions/methods. 25 points. Due 11/6/2013 Extend your class MixedExpression class to include operator methods for addition, subtraction, multiplication and division, and to have friend operator << and operator >> functions for reading and printing the MixedExpression objects. Allow cascaded input and output per the << and …

Dear Team, I have decided to prepare for Oracle certified Java Programmer certification. When i searched in Oracle site, It showed two certifications for OCJP. 1. 1Z0-851 (Java SE6) 2. 1Z0-804 (Java SE7) For the the second exam which is 1Z0-804 they mentioned, we need to pass two exam first …

I am creating a software for my company in C#. The working process is like this. 1: we write information in an Excel file. 2: Then we go to the website (Company's customer support page) there is only one search box. and we search after appropriate information. it gives us …

Hi there, I have a problem in finding where is the mistake in my code.The problem is that I am not getting correct output of printf. As you can see I am derefferencing the pointers pd_f and pd_C in the brackets just before they are multiplied. The problem is removed …

if C++ isn't a real OOPL, what left? with another words i want study(theory\concepts) the real OOPL. can you give me a link with these information?

Hello. Just learned about hashmap a week ago. My code can add an Employee's name/id/performance scale based on user input. I allow the user to also remove an employee by allowing user to input name/id to remove. However, when the user prints out sorted last name, the name the user …

Hi , I am just curious to know that , why i am not able to compile below code if i define access function inside the class. i am able to execute another friend function inside the class. Does it mean class scope is responsible for the execution of other …

if i try to dump from shell like this `python -c 'help("modules")' > ~/Desktop/modules.txt` but if I try to execute from within the python like this `>>os.system("python -c 'help("modules")' > ~/Desktop/modules.txt")` i get error File "<stdin>", line 1 os.system("python -c 'help("modules")' > ~/Desktop/modules.txt") ^ SyntaxError: invalid syntax once i get …

i am working on a project but this parts seems to stall me i want to be able to write to a text file to change just two lines of d file say line 1 and 3 using wxwidgets i will appreciate helps nd suggestions thanks

When I click on Button which fetch records from the database it works fine public void fetchrecords() throws SQLException { Statement stmt = null; String query = "select * from Employer where Fileno=1"; try { stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE); rs = stmt.executeQuery(query); while (rs.next()) { firstNameTextField.setText(rs.getString(2)); lastNameTextField.setText(rs.getString(3)); addressTextField.setText(rs.getString(4)); //and more records. …

hi all i want a program that allow me to import excel data into access database using vb.net knowing that the excel data contains duplicates and blanks.my table looks like this: Reference quantity unit_cost turnover once the data is imported, I want to perform calculations to calculate the cumulated turnover …