Software Development Forum

Hi there, How to set vector size in Class ? I have set vector size at time of daclaration but it does not work. And should we have to deallocate vector memory in destructor ? #include <iostream> #include <vector> //included to use vector using namespace std; class VectorDemo { private: …

So I was learning python from "Learn python the hard way" in python3 (my preferance) (I also tried everything in the 2nd python) and when I came across "Parameters, Unpacking, Variables" I was stuck for good. When I type in exactly the same thing as he does: from sys import …

Hi all ive been thinking of a writing a compiler in java for my final year project. I have started to browse the net for help but to be honest its confused rather than helping me to get a clear image of what I would like to do. Ok.. let …

i have exe file generated by the Compilation of C++ program now I want to pass arguments to the generated exe file through C# and save all of the output of exe file on a .txt file this is What i have done so far public static string RunCmd(params int[] …

Hi all, for the below code: class A{ } class B extends A{ } why we extends 'A' class to inherit the properties in 'B'? Here we can use, class B{ A a = new A();//to get properties of 'A' class } why should we go for inheritance by using …

how to auto logout an apps when user did not touch the screen for at least 2 minutes? i add this to AppDelegate.m : - (void)sendEvent:(UIEvent *)event { [super sendEvent:event]; // Only want to reset the timer on a Began touch or an Ended touch, to reduce the number of …

Hi. I have here a script which I had acquired from the net. I have tested it in a lab environment and it seems to accomplish my task perfectly. That being- to list each server in the domain, its services and the account the service runs under. Problem is- I …

I am trying to get two input from a file . #!/bin/bash echo "enter clientname" read clientname echo print|nsradmin -s $clientname -p390113|egrep 'NetWorker version|IP address'>> output_$clientname the content of the file would be : $ cat test_new1 NetWorker version: 7.6.3.2.Build.860; IP address: xxx.xxx.xxx.xx; I want to grab "IP address:" to …

I have a textbox, and what I want to do is to AUTO CONVERTI NUMBERS ENTERED IN TEXTBOX with a two decimal values?....Is this possilbe guys?....Example: 2 textboxes A and B, after entering 1222 to textbox A, it will automatically change to 1,222.00...Help here will be highly appreciated...Thanks

Hi all, I am working on simplest web browser import socket mysock=socket.socket(socket.AF_INET,socket.SOCK_STREAM) mysock.connect(('www.py4info.com',80)) mysock.send('GET http://www.py4inf.com/code/romeo.txt HTTP/1.0\n\n') while True: data=mysock.recv(512) print data mysock.close() It's returning error 408:Request timeout at one time and at other runs smoothly but with incomplete output as: HTTP/1.1 200 OK Date: Sun, 14 Mar 2010 23:52:41 GMT …

I believe that employing agile and lean techniques is very effective. It is very usefull for all projects either it is software or website or any other project if you agree or disagree give your reviews with proper reason.

Hi, I am a PHP developer that has been put on a Java project and am trying to apply the same principles with new ones that Java provides and am stuck. I have successfully instantiated a class with a variable class name, which contains a constructer that has one parameter. …

Hi, I wanted to update a table in access db using right outer join.I created a temp table,copy the structure from the destination table and used it to store values from an excel file.And using right join tried to update the destination table making the temp table as a source.It …

you are to write a Java program that asks the user to enter the following 4 numbers one at a time: 4.34 , 2.39, 1.34 0.9. Thereafter the is to print all the numbers back onto the screen followed by the average of the four numbers. Finally it should print …

how to write definition head for a template function that returns enum. I got a template funciton List<List_entry>::print_List(){code..} but I dont get how to return an enum. My current head is : template<class List_entry> List<List_entry>::Error_code List<List_entry>::put(const List_entry &x){code..} but it errors me that I need 'typename' before 'List<List_entry>::Error_code' because 'List<List_entry>' …

Hi guys how are you? I am having tough time extracting data from the ms database. I have three rows. WHat I want to do is the extract data from these three rows and pass to labels and display in the frame. But I'm stuck on the first one. my …

My code goes as follows: private void btnChangeImg_Click(object sender, EventArgs e) { using (var openFileDialogForImgUser = new OpenFileDialog()) { string location = null; string fileName = null; string sourceFile = null; string destFile = null; string targetPath = @"..\..\Images"; openFileDialogForImgUser.Filter = "Image Files (*.jpg, *.png, *.gif, *.bmp)|*.jpg; *.png; *.gif; *.bmp|All …

Hi I'm creating a code for my class and what I'm trying to do is to create a triangle class that is derived from abstract class TwoDimShape. However; when I create the triangle class and use base as a variable I get an error. My teacher wants us to use …

Below is a Python program I wrote to draw lines as many al there are mouse clicks. However, I wanted all the line segments to have the same attributes (eg: color, width etc), but that's not happening - only the last segment has my desired attributes. I am a beginner …

int counter; counter=1; rs = statement.executeQuery("SELECT * FROM Quiz WHERE SrNo=counterr");

Hi guys, I need your help, I'm working on my vb.net application as I want to click the button on the webpage when i click on the form button, but I'm having a problem with click the button on the webpage as it will do nothing when i click on …

I have a program, and what I am thinking to add is the printing feature...I used the MS WORD connection to connect vb texboxes to msword receipt template i made, and it works fine....Is there any other way for this without exiting vb like i did?....Is there any approach for …

can you please help me, how can i read a wav file byte by byte and then play this file without using PlaySound Function. any help ?

I was studing the ant task dirname. I am in over my head understanding this animal. It suggests to me that I could use build.properties and or build.xml properties . The same possibility arises in java code and I benefited greatly by loading xml properties. In the ant enviornment is …

I'm somewhat new to deploying ClickOnce manifests, first off. I know the basics of how to publish to an app server, which then lets every use the newest version (after setting to check for updates before running the application). We have multiple VB.Net applications stored on our app server, that …

what is the difference between this packages in Eclipse?Im beginner in java which package should i download. Luna Packages Kepler Packages Juno Packages Indigo Packages Helios Packages Galileo Packages Ganymede Packages Europa Packages

Is there any way to encrypt/decrypt all image files and audio files with python storing them in a password protected file and then retrieving them again without slowing donw the decryption part?

how can i build a typedef with variadic operator? what i mean is that i need build these: typedef std::function<void(void)> Event;//works fine, but for any parameters typedef std::function<void(...)> Event; //no errors Event test(int x, int y)=[](int x, int y) { int a=x+y; string b=tostring(a); MessageBox(NULL,b.c_str(),"hello",MB_OK); }; in these sample i …

Hello All, I want to convert a markdown file to its equivalent HTML programatically and Iam looking for a way to do this properly. I would need a script that converts the markdown file into proper html.I'am aware of Doxygen which generates these .md files to hmtl just with a …

Write a program in c/c++ that add two numbers which are between 3000000 and 5000000. the result should be shown as "number 1 + number 2 = result

Hi All, 1)It's easy to create a window in QT that the user can resize, but when they make the window bigger, all the contents stay where they were in the top left hand corner. They don't grow with the window. 2)Also when the window is launched the size of …

i have a question regarding a program I am making. please can anyone guide me? i want to add text of two buttons. is that possible?

OK - I'm stumped I'm filling a 2D arraywith inputs, then when it hits the first function - for some reason the very first value in the array is being changed to -5 If I comment the function out, it's fine - it gets passes and passed back with no …

I have a button with action listener. When action is performed I call a method to show a label with my message using: Actionperformed(){ ShowMessage(); PerformAction(); } NOTE: This code is just an example. The problem is the message never shows even though the action is performed. Any help will …

Good day! I just want a little help on how to add the textbox data onto the datagrid when a button is click? I have 3 textboxes(txtname,txtaddr,txtcontactno) and a datagrid with 3 columns(Name, Address, Contact #). When a button is clicked, the data of the 3 textbox shouls be transferred …

I'm Having a problem with trying to figure out how to get my program to switch from one tab to another after a specific "Jbutton" is clicked. As displayed Below.

#i use python 3xx from tkinter import * from tkinter import ttk # i couldnt install PIL on my computer so I used Pillow. Hope you dont run into any problems import datetime import pickle ## init the variables here since i dont use objects in your code name = …

i'm buiding an image class, but i need some information... the C\C++ teach how read binary\text files... but not how the files are build like JPEG, PNG, GIF and others :( i can't find a page for give me the file struture and when i found it, i only see …

I am trying to send data from a UITableView into any type of database. I have 2 questions. 1: What type of database should I use (ex. MySQL, access)? 2: How will I transfer the database from a table view to the type of database I should use? PS: Please …

I am exporting data from excel and show it in gridview and when I click submit, it needs to be updated in existing table. Below is my excel data S.No. RequestID Subdivision No Parcel No CUID Status Remarks 1 5 42 55 55 Open Pending I have successfully exported and …

SO i have a python code that collects xml data in a file then seraches the file for the scancode and once it finds that the scan code is there it starts scanning for the order number this is where im running into trouble at. What i want it to …

Hi ,i have a contact form made with xib file it works but i can't change the background color of the view programmatically i tryed with this but nothing, i know how to put an image background but i need to change the color on the fly how can i …

I have troubles trying to display a list of items/objects in a array. What I'm doing is I'm adding students with a name, surname, age, and marks for subjects (Properties) to an array. If I added 4 students in this manner to the list I want to display all the …

Hi, I want to develop RFID access system. I create a user database using Microsoft Access.When system and connection are ready, user will swap the card on the RFID reader and the card id will show on retrieve data column. The card id will use to compare with the data …

Hi, evry1.. i need yur help.. i want to place an image as my background.. how am i supposed to do it..?? i have tried this `setBackground("C:\\image\\background.jpg");`i also tired this `Icon m1 = new ImageIcon("C:\\New folder (5)\\background.jpg");lb1.setIcon(m1);` But none of this is working.. what shuld i do???

Hello everyone, I am attempting to make a custom control similar to a tooltip however I am not sure exactly how to produce the effect I desire. My goal is to have a popup, which is shown when the mouse hovers over a control, that contains some message and is …

i want to develop my website so i want to know what programming language is the best PHP or VB.NET?

I'm reading a book on C and it's telling me how to use gcc and about the -c option/flag. It reads "-c Compiles to an object (.o) file instead of an executable. This is important for creating library files." What is an object file and how is this good for …

Hi, I am working on an assignment in c# where I have to maintain student scores...there is a few questions up here already about it but I am still having problems. I need to create a program that allows the user to enter student names and scores... I gather I …