Software Development Forum

Hello, This code is from "Test Your C Skills" Book. In the book they have mentioned that this code won't work, and thats true. But I am not able to understand, why its not working. Please explain why it gives error. #include<stdio.h> #define SWAP(a,b,c) c t;t=a;a=b;b=t; int main() { float …

I am trying to find a scripting language for some simple tasks etc... I tried python - dont like the whitecpace thing. Ruby - just a weird language. Javascript on the other hand has syntex that I like - C/C++/C#/Java like - and it uses curley braces. But the draw …

So I have a PrintWriter as a class variable which is created upon initialization. I want to make sure it gets closed when the Applet closes, but overriding the destroy() method doesn't seem to work (a System.out.println inside the method does not appear). 1. should I be doing this in …

So what I am trying to do is copy a row of information when an item in the 'k' column which will say 'recieved'. So what my code needs to do is copy the row of information on that row that says 'recieved' to sheet 2 and then remove it …

Dear all I have a private MSMQ on a server in workgroup mode (SBS 2011) On a client I can see the queue using System.Messaging.MessageQueue.GetPrivateQueuesByMachine(servername) and am able to read the name of the queue. I am able to write to the queue but am unable to retrieve anything from …

This is the code which put an extra line to the std::string array. I am here trying to print last k lines of file. Any help is appreciated. #include <iostream> #include <fstream> #include <string> using namespace std; //file.exceptions(ifstream::eofbit | ifstream::failbit | ifstream::badbit); void print_last(unsigned k, string file_name) { string *data=new …

I have writen a few DB programms in ADO.net now, and I hate it. It is riddle with confusion and problems, and because of the ridiculous idea of using all the data locally, it makes networking neigh on impossible and incredibly slow, so please please someone show me how to …

Hi All, I am trying to write a code which checks whether the username and password stored in the database matches to the string created locally and displays it in console. The program connects to the database and gets the string from the table space correctly, but the problem is, …

Hi DW I've created a project on NaviCoder for java and when I tryied to export the project I had a problem then I redo my project using the Netbeans and that where I was then able to export or should I say build the jar file which is an …

Hello all; I have a random data file that I created with code. The file contains strings that represent items I want to display in a combobox control. The strings contain multiple fields with headers that describe the data to follow. I have NO problem displaying any single field of …

I've written a script to alter images in a number of Excel workbooks. In order to properly access the image information, I need to iterate through all Sheet.Shapes on a particular worksheet. I'm having trouble with grouped worksheets. **How do I ungroup worksheets from VB.NET?** I've tried both activating and …

there are 10 labels and 1 button in the form and i want to set some properties using code(which will applicable to lable only) , and for this i used the code For Each lbl As Label In Form1.Controls lbl.Font = New Font("Arial", 12, FontStyle.Regular, GraphicsUnit.Point) lbl.Top = settop lbl.Left …

I've written a script to change all images in many hundreds of Excel documents to a .png format in order to reduce their file size (the largest were coming up on 25MB). **If the images in the Excel document are not in their original orientation** i.e., if they have been …

Hi All, I am new to use of database in Java. I am trying to write a simple java application which connects to my Database and sends some query and retrieves the output. I have downloaded MariaDB and then created a database named iff and created tablespaces which has some …

For fun, I want to write my own image format. I'm going to have to draw pixels to a Window, but I haven't found any nice, simple, light librarys that can do this. I've thought about using OpenGL, but it's kind of messy and over-complicated to write code for and …

Hi all, Need help, How can i read a dat file in c# and display data in datagridview. the data is in a comma format. Ie a,b,c,d etc....... many thanks,

I'm trying to do a project at schooL but I need help on how to choose a simple working system for a certain company.

This is probably a very commonly asked question but is it possible to make an app with python?

Hi group! I hope all is well! As part of my connection string and database insert/update, I have an exception command in it to display an error message. Can this also be read or made into a true/false answer? I would like to have my program run very short command …

Hi, I have a png image wihtout background and want this png to be my JFrame where the transparent section must be transparent; I have tried different ways I used the setOpaque(), setOpacity(), ImageIO but no clue. I want only my transparent png as JFrame. Any idea and solution will …

Hi, This question is related to the below. http://www.daniweb.com/software-development/cpp/threads/352685/error-c3861-menu-identifier-not-found I used that to solve my issue. What I would like to understand is why the function prototype is to be declared before the main function? In my textbook that I am following the function prototype wasn't there. I did as …

Does anyone know how it's possible to add up the values in a list?

I stumbled upon the fact that one can't bind a temporary variable to a reference unless it is a constant and found it to be indeed true in the given code. However, i am not able to find out the difference in my other code snippet where I didn't use …

Hi, I programmed this code to solve the equation: x/2! + x^n-1/n! where n is the size of series The program functions, but appears to be giving me the incorrect result. For example if I enter 3 for n, and 2 for x I am expecting 1.67 as the result …

So I wrote a cool little python script for terminal commands that I get sick of entering. Most of the script is explained in docstrings and comments. Looking for useful terminal commands or things I missed or could have done better. I'm actually quite proud of it. :) #!/usr/bin/env python …

I use visual c++ compiler 2008 express edition, because express edition doesn't support resources is it possible to make a win32 dialog box in express edition, if so how might I create one? Thank you for reading

Hello, I am having a few problems when trying to execute the a Makefile that will *hopefully* create a static library that I can use for future use. Here is my code below: #----------------------------------------------------------------------------- # Usage of make file #----------------------------------------------------------------------------- # Clean operation: # make -f MakeClient clean # # …

Hi there, I'm just new to programming and C++ ... I have trouble with my code At first I am using "int" for variables but then I realize that i need a much larger range of numbers and also support for decimal operations so I change all "int" to "float"... …

I have not programed or written code in over 10 years when I was in College. I was / am a Networks Administrator. How, ever I find my self needing a custom interface for a DB system we recently ackwired where I work. I have been doing it in Visual …

Hi there, I'm just new to programming and C++ ... I have trouble with my code At first I am using "int" for variables but then I realize that i need a much larger range of numbers and also support for decimal operations... My First Code: #include <stdio.h> #include <conio.h> …

Hi, i have 2 pieces of code that i created, both of which do exactly the same thing and i am trying to benchmark them to see which is generally more efficient. As such i used the code suggested by perldoc in the following format: use Benchmark; $t0 = Benchmark->new; …

Hi, I just need some help here.. I want to align the text output in Pole Customer Display like Shoes...........£20.00 Total...........£20.00 but the of total is not displaying the amount and the euro symbol is display "?" Can you help me guys? Thanx a lot in advance Below is my …

This code only print characters until char value is 0 but surprisingly it output characters only upto first blank space. I checked their ASCII values and surprisingly ASCII value of space(' ') character was output by program as 0. I couldn't get it. Any help is appreciated. #include <iostream> #include …

I keep getting this error on a sample that a c++ book provides. " **error C2660: 'std::vector<_Ty>::empty' : function does not take 1 arguments 1> with 1> [ 1> _Ty=std::string 1> ** ] " I have some suspicious what can be causing the error but I am not sure. the …

I got a small problem with getting a filter to work for my database. When i test them seperatly it works but when i all add them together they stop working. This is the code i use currently. All of the fields in the database are text, except for the …

Hi everyone.. Would anyone know where I could find a good explanation on 'Pipes' in programming. I'm trying to understand how I might go about using input into a GUI application to display output in a dos console. As I understand it, the concept of pipes comes into this somehow. …

[This](http://docs.oracle.com/javase/tutorial/essential/concurrency/deadlock.html) is the example i was looking at. The docs say that trying to access the bowBack() method is creating the deadlock , but im new to threads , and i really dont understand why this is happening. In need of some guidance here...

Hi DW I've created a program in java and now because I'm also new in java but I know better visual Basic i couldn't complete the program the way I wanted because there are features I find it hard to do so I just completed the main program on java …

Hello everyone! I would like your help regarding this: I have a tuple vector which i must iterate through, and accessing the vector data to decide wether to erase or not the current vector element. My code : typedef tuple <int, CString, int, int> pc_data; vector <pc_data> pc_vec; //Assume that …

I intend to perform in-place modification of std::string with the help of a modifier function. In this regard, I looked up on internet and found that pass by pointer method is not recommended. I have few queries in this regard. * If I pass a std::string to the function as …

Hello my fellow Daniwebies! I have a curious, possibly unique, and odd problem for everyone! We support an ASP.NET application which is using VB.NET for code behind. We use LINQ to SQL and classed object for the data retreival. I have an object called...myObject which is being deleted: Public Shared …

I keep getting this error: The process cannot access the file 'D:\Gasper\Netcool\GA000162.200' because it is being used by another process. And I have tried everything to safely delete this file. Everything. What Am i doing wrong? using System; using System.Net; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.Linq; …

I'm trying to create a loop if the string wordEasy contains more than 5 letters. I am using the 'while' and 'for' but none seem to work. I am hopping if you guys would be kind enough to help me figure out what I'm doing wrong. Here is the 'for' …

There seems to be a variety of ways to do this on the net, does anybody have a tested solution? Suggestions to look at various modules and such appreciated. I don't need the full code.

Hi everybody, I’m having trouble trying to figure out how to create a loop when the ‘difficulty’ takes a value that is not an integer. I want a player to get the ‘default’ statement presented in the switch . The ‘default’ statement seems to make an appearance but it will …

Can someone please explain what the <atomic> library does? Or what it's for?

(Account Inheritance Hierarchy) Create an inheritance hierarchy that a bank might use to represent customers' bank accounts. All customers at this bank can deposit (i.e., credit) money into their accounts and withdraw (i.e., debit) money from their accounts. More specific types of accounts also exist. Savings accounts, for instance, earn …

hi could anyone help me come out of this problem.. I've my project with one mdi and three child forms.. when i run the mdi child forms vb6 stops working and it shows the following: Problem signature: Problem Event Name: APPCRASH Application Name: vb6.exe Application Version: 6.0.81.76 Application Timestamp: 3592011f …

Hi everyone! Sorry for the novel but I don't want to waste anyone's time by not explaining what I have already tried before they try it too... So I just installed Blender which requires Python 2.6 but I'm learning Python 3.1 at the moment. I've never programmed before but I …

[Click Here](http://www.)(Account Inheritance Hierarchy) Create an inheritance hierarchy that a bank might use to represent customers' bank accounts. All customers at this bank can deposit (i.e., credit) money into their accounts and withdraw (i.e., debit) money from their accounts. More specific types of accounts also exist. Savings accounts, for instance, …