Software Development Forum

I've been trying to compile a very simple c++ code ; when trying to compile on codeblocks it says : error - stray '\312' in program [CODE] #include <string> #include <iostream> using namespace std; int main() { char letter1, letter2; string lastName; cout << "Enter your two initials and last …

I have a problem again :) I try to use this code: [code] import time from threading import Thread from threading import Lock def main(): for i in range(3): my_thread = MyThread(i) my_thread.start() class MyThread(Thread): lock = Lock() def __init__(self, i): Thread.__init__(self) self.i = i def run(self): while True: self.lock.acquire() …

so I have 2 methods, 1 with an argument the other without command_hello(String sender); command_hello(); I am trying to invoke the method using just their name: command_hello I can do this by using the following for the method with no arguments: getClass().getMethod("command_hello").invoke(this); Works! Great! But the moment I try getClass().getMethod(cmds.get(cmd)).invoke(this, …

hi guys, I've created a function that returns the number of times a value resides in a container (in this case, vector). The user is able to specify were in the vector they wish to search for the value. [CODE] int number(int n, vector<int>::iterator start, vector<int>::iterator end) { int count …

I need to have 4 functions which asks the user how many times to flip the coin and then displays the number of heads and the number of tails as a decimal? [code] def getInputs(): times=input("please enter the number of times the coin should be flipped: ") def simulateFlips(): for …

I've seen a program called Devcon ([url]http://en.kioskea.net/faq/sujet-1886-enable-disable-a-device-from-the-command-line[/url]) used for enabling and disabling hardware devices. I want to do the same hopefully with python. I want to turn the internet connection off with a script. I can already do it with popen('ipconfig /release') but I want something more robust. Is there …

Hi, when i run my java program it has that little java coffee cup image in teh task bar. All my apps have this. i guess its default. How do you set that to something custom? i cant seem to come up with teh proper name for what that image …

Dear sirs, I am trying to learn vb.net in 2005 and 2008.Where can i get good tutorials to learn basic as well as advanced. OOPs and web development etc. thank you

In old QBasic I could use the LOG function to get the base-10 log of a number. So I would have something like this... [CODE]sglFormula = 150 - (LOG(intTemp + 10) * 30)[/CODE] ... the LOG function would give me the log base-10 of a variable (intTemp) plus 10. How …

can anyone guide me how to run a c++ program inclusive of graphics through notepad++ by using borland compiler OR plz guide me hw to compile n run a c++ graphics prog in vista..as it's not possible by normal tcpp

Hi all, I'm new to Java and going through a steep learning curve. Every now and then I'm getting dead stuck, so your help is immensely appreciated. So, here's the problem: (with Java NetBeans IDE) I have a JFrame form, and in it 4 JComboBox'es. Also a JButton titled "Enter". …

Hi, Apologies if this has been covered already - I searched but couldn't find anything relevant. I am looking to learn both of these languages mainly because I am in a bit of a dilemma career-wise. To be as concise as possible (this aint no agony aunt page I hear …

Is there someway I can parse badly written HTML code in python? I want to get some info from a web page which uses HTML tables for it's formatting and I found numerous flaws in the code using w3cs validator. can I parse this code in python?

Just downloaded Office 2010 to see what changes have been made in the VBA environment and all looks well. But i am having a big problem typing in my code! as soon as i type something it appears in red, it autocorrects so fast that if i type .range("A1") it …

Hello all, After googling around for a few hours i can't find any example for passing arguments to an user-defined method in pyqt.. The only link i found related to this is [URL="http://www.commandprompt.com/community/pyqt/x1408"]http://www.commandprompt.com/community/pyqt/x1408[/URL] . In this example we have to make it to emit the signal and pass the argument.. …

Hey everyone. I am having problems trying to figure out how the user can select the times they want to start work at, the time they want to have from lunch and finally the time they would like to finish. I then would calculate the number of actual working hours. …

Hi guys...I am learning binary trees and its quite interesting. But I am unable to make4 a the delete a node function in it. Whenever I try to delete a node, a fatal error occurs and the program closes. Can you please point the error out for me in the …

Hello! I have more questions :) Is it possibe to create a "threadlock", "lock" if you use a file as a common resource? If you have a class that create data and put the data into a file and you have another class that will take data from the same …

how can i find value of cos without using math library of c# .......plz send me code example or formula by which it ia possible i thank full to u

I am to create a superclass that has at least two data fields, a constructor and two other methods. Create two subclasses that inherit from the superclass each one of which adds at least one more field and at least one more method, one of which must be an 'over-riding' …

Ok i'M making a program for a game a tool software I made that when I press a button in another dialog it appear a text + textboxs.text so when I press a button it appears in the dialog but all in the same line how do I do that …

Hello i have a big problem, i want to import queue but i get this message, somehow it dont exist. Traceback (most recent call last): File "D:\Python26\test.py", line 9, in <module> import queue ImportError: No module named queue isnt that strange.

well the last thing i need is a button that will copy TextBox1.Text like Select All and Copy it all, i use a simple code no very effective... i put sendkeys ctrl & a and ctrl & c but i just realize that all pcs doesn't have the same hotkeys …

HI I'm trying to insert data in 2 tables one is the master and the other is the details table, let us say it is test details first table : the master data of the test (name,date,......) second table : the parameter details (masterID,parameter,value) I want to do that through …

Hi everyone, I've been trying to code up a generic vector implementation in C, and the compiler has not been kind to me... Here is the struct I have defined in a file "vector.h." [CODE]typedef struct 72 { 73 int elemSize; 74 int logLength; 75 int allocLength; 76 int delta; …

Hi, I'm building an application that reads barcode scanning data into multiple forms and textboxes. At the moment, to handle that data I have created a large nested if statement that checks to see which object has focus so that the scanned data is placed there and focus moves down …

Hi, here is my problem. I have the next task //Write a program that removes from a given //sequence all the numbers that present in it odd //number of times. Example: //{4, 2, 2, 5, 2, 3, 2, 3, 1, 5, 2} {5, 3, 3, 5} The problem comes in …

Hi, in order to organise the functions based on its usage, i want to add a new code file to the project. I tried to add a new code file and gave a name to it and then wrote a function in it . This function is called from another …

I want to use MySQLDB to connect MySQL but I got a problem. the problem is: --------------------------------------------------------------------------------- cs6201:/home/lamwaiman/python/data # python dm.py Traceback (most recent call last): File "dm.py", line 11, in <module> import MySQLdb File "build/bdist.linux-i686/egg/MySQLdb/__init__.py", line 19, in <module> File "build/bdist.linux-i686/egg/_mysql.py", line 7, in <module> File "build/bdist.linux-i686/egg/_mysql.py", line 6, …

As the Title states I'm trying to Display a Form that has a Listbox Docked to "Fill", theres no problem displaying the form but I want to Display the Items in the ListBox as each line is added to it (in this case the lines are added programatically through the …

[CODE]import java.io.*; import java.util.*; class Telefon { public static void main(String[] args) throws Exception { /* IO */ BufferedReader sisend = new BufferedReader(new FileReader("telefon.sis")); // IN PrintWriter valjund = new PrintWriter(new BufferedWriter(new FileWriter("telefon.out"))); // Out int n = Integer.parseInt(sisend.readLine()); // Reading first integer String abi; String abi2; String[] numbrid = …

I have a class which extends LinkedList and implements Runnable. I also have a main class which modifies the extended LinkedList. So, the issue is, the LinkedList is being modified by 2 threads: main() in the main thread and run() in the thread which is created from implementing Runnable An …

I have a gameboard class: class gameboard extends JInternalFrame In the constructor i have the line: setDefaultCloseOperation(DISPOSE_ON_CLOSE); my gameboards are actually in an array myboards[500] were each is an object of this class. the deal is I want to be able to tell which are open and i want to …

G'day all, The program i'm currently working on has a search feature, I want to be able to search a Folder and any Sub-Folders contained within that structure. I'm really confused at the moment as to how i'm going to keep going deeper into a directory and still manage to …

Hello again! I have a new question. I have run a script and wants to run it again with a "keypress" input from the user, how do i code that. Like this: import subprocess drive=input(" If you want to start the script again , press 1: ") if drive == …

Heyah Does anyone know how can I change the bacground color of my textfield by using : the commands if & else It's for one of my school assignments but I really can't get to solve it by myself i searched through web but nothing :S We must use the …

Im trying to solve a ACM problem 10189, LINK: [url]http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=13&page=show_problem&problem=1130[/url] It looks ok to me...but, online judge is showing wrong answer... can anyone help me to figure out the problem. [CODE]#include<stdio.h> int row = 1, column = 1,i=0, j=0, a=0, b=0; char array[100][100] = {0}; int change(int a, int b) …

Hello, I have a quick question I want to ask. How can I copy the data from a allocated variable, so that when I free up the allocated variable the copied data isn't erased with it. Thanks, -A2H

Java implements pass by reference right? So when I do cons("item", stack) with the following code I should print out --> itemabcd. But that isn't the case, why? String stack = "abcd"; cons("item",stack); System.out.println(stack); // public void cons(String item, String stack) { stack = item + stack; }

Hi, I am playing around and trying to understand template singleton class and I accidentally created something that I am surprise it even runs. What I don't understand is when did Apple and Orange instances get created? Could you also comment on the good and bad of the Singleton class …

Hi all, So i basically created a database with an arraylsit. All the data is stored in the arraylist and is added by a stringLine. [B][U]All this is shown in the code[/U][/B] My Database is an Insurance Database. Well basically i'm finding it hard to find out how to actually …

Hi everyone, I have quite a problem. I have a text pane and three menu items which are cut copy and paste. In my textpane i have some text and an embedded icon. when i select all the contents of the textpane and click cut all the contents of the …

Hi there , Just wondering if anyopne could help me out with a problem I am having with a update statement. I this error [I] ExecuteNonQuery: Connection property has not been initialized.[/I] I have been at this all day and still can't figure the problem. Hope someone can put a …

Hi guys, The following code doesn't compile, and I've been banging my head why. Some header code: [code] template <typename T, typename LESS_THAN> class RestrictedSet { private : int _size; int _max_size; set<T, LESS_THAN> _S; typedef typename std::set<T, LESS_THAN>::iterator tIt; public : RestrictedSet (int max_size); RestrictedSet (RestrictedSet<T, LESS_THAN> &other); ~RestrictedSet …

Hi people. :) I'm making a function callback system for a console, so I would dynamically be able to send a function pointer to my console class, and then it would be callable from the console. Well, it works - but only with functions that are not member of a …

Hi guys, just playing about with pointers and keywords and to my surprise, this code does not throw up an error... can anyone tell me why? [CODE] int main() { int *P = new int; *P = 50; cout << *P << endl; // output: 50 delete P; *P = …

Hi, I have the problem that a char ch2 = '\u0041' is confirmed as a character and also printed as "A", but the char ch3 = '\u00c6' , which is also confirmed as a character, is not printed only as a "?" where it is supposed to be a "æ". …

Hello again. I was trying to login to my web server protected with basic auth, and after i understood that it would be nice to automatically detect the realm so now i want to know on how to do so. Thanks in advance.

hi, i debug it keeps show: Syntax error in FROM clause. i google and read many website tried remove ' ' from sql line still cannot. can anyone help pls [code] Public Class frmLogin Dim mypath = Application.StartupPath & "\password.mdb" Dim Password = "" Dim conn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\Users\Du\Documents\password.mdb") …

How does a property that returns a byte[,] signature have the same parameter types as a function that returns a bool and has a passed byte[,] signature? Here is the command: ...My Documents>csc /target:library /out:CourtneyNumbrs.dll CourtneyNumbrs.cs here is the output: Microsoft (R) Visual C# 2008 Compiler version 3.5.30729.1 for Microsoft …