Software Development Forum

I just purchased accelerated C++ and I'm working through the examples and I'm at a road block trying to figure out what this line means. I was wondering if someone could explain this to me in a different way? The part of the code I do not understand are bolded. …

Hey :) I have written this code, but it seems that theres an error in it, that i can't find. When i try to compile it i get this error: Call to undefined function 'sleep' in function main(). I know it has something to do with that sleep function, because …

This simple code shows to display the form in different shape. Also using the Gradient Brush to add Look And Feel to your form. Moving the form is also possible. Requirements Just draw a Form (Form1) and add Event handler for Load, MouseDown, MouseMove, Paint and DoubleClick for Form1. Then …

Use visual basic 8.0 Dymo labelwriter 400 Installed Dymo labelwriter 400 Software Development Kit (SDK). My problem is that there is a label is printed, but the mylabel. SetField are not included in the barcode label. The default values are printed. The object name in the label are correct (OText1 …

I have a general doubt regarding passing pointers to functions... Suppose i have variable [code=c]tc_struct *ptr;[/code] and i want to pass it to a function to fill it. So i passed it [code=c]func(&ptr);[/code] and i received it in func as [code=c]void func(tc_struct** ptr1)[/code] Now again i want to pass this …

I am using VS2005 version of VB.Net programmer. I wanted to use the user input but most people tell me to use console...but I cannot use this function since my version is different, it will not show any results. I found that using mask textbox can use to read the …

Hi, [CODE] #include <iostream> #include <cstdlib> #include <new> using namespace std; class loc { int longitude, latitude; public: loc() {} loc(int lg, int lt) { longitude = lg; latitude = lt; } void show() { cout << longitude << " "; cout << latitude << "\n"; } }; // Global …

Hi everybody, Again, I try to deal with exercise from a book Think Python version 1.1.19., exercise 9.2. (case study: world play) My contents of the words.txt is: "Ahoj, Toto je moj prvy pokus otvorit a citat subor. Vela stastia " Thing is, if you have a look at a …

I just made a 'Hello World' program [code] #include<stdio.h> int main() { printf("Hello World\n"); return 0; } [/code] [code] exe file size = 15.5 KB Source file size = 79.0 B [/code] Then i made a data structure program (implementing stack, queue, deque) [code] exe file size = 21.9 KB …

how to get printer information like printer name,IP and location using c-sharp??

Hello, This is my first question in this forum :) I'm new in GDI+ and C# programming, though I have an experience in other programming languages. Here is my question: I started a new Windows Form Application project in Visual Studio 2008. Then I double-clicked the Paint event of the …

i DO have searched the google to do multithreaded programming using c++ and found there were few like the ones supported in BOOST libraries and zthreads .. I would be glad if u guys could help me in suggesting much better ways in doing so .

hey all.........i m new here!!!!!! I am at my wits end on this problem.....i would appreciate it if you could give any help..................................................... i managed to compile and run a C++ program that intializes and reads/writes to a serial port . I was using the Dev C++ compiler to write …

This is an update of an earlier version. In this version the string containing the approximated pi value is created directly from the iteration of the generator. This way the program is simplified and can be used with Python2 and Python3 ...

new to this forum,my querry is the most basic that anyone could have asked ever here. i am a final year student and am alloted a project to built an ivr system for fault control management of our local college exchange. now i searched a lot on internet to "how …

Hello- I'm using VB.NET (visual studio) to create a chatbot (a program that mimics a human and has a text converstion with you). Two of my main classes are a word class and a sentence class. The sentence object is basically going to be a linked list of words objects. …

Hello guys, first of all.. am gonna say that i googled and searched the forum alot.. nothing to be found.. So my question is.. 1- Where does my actual manual written code go in C# + GUI (WindowsFormsApplication not the console one.) Does it go in the Program.cs or Form.cs? …

how to create asterik star like this [B][COLOR="Red"]>[/COLOR][/B] with 10 Asterik star (*)

Python uses the Mersenne Twister as the core random generator. The module random contains a fair number of methods (or functions) that help you to do random things. Here are some examples ...

Hello I have a static window control & I want to make the text inside that static window centre aligned. [B]Is is possible to do that with a static window?[/B] Or should I use another function? static window: [CODE] stBox = CreateWindowEx( 0, "Static", s.c_str(), WS_BORDER | WS_CHILD | WS_VISIBLE, …

Here is the problem: Write a program that displays the name of each month in a year and its rainfall amount, sorted in order of rainfall from highest to lowest. The program should use an array of structures, where each structure holds the name of a month and its rainfall …

Hello, I'm confused on how to put the Random.Next() method into my matrix array. First my matrix array is already messed up, I'm trying to create a 6 by 10 matrix of random numbers and then show the numbers times two. here is the code i've already done, ps my …

Hello. :) This is my first post and it's unfortunately to ask for help. The problem is as follows: [LIST] [*]The user types in how many names they wish to enter. [*]An array must be able to hold this many names. [*]The user then types the names. [*]Any characters over …

Hi! I'm new to the site! I've been searching for help on Google for a while and keep getting results that point to this site, so I figured I should jump on. I'm new to C#. I've been programming in VBA in MS Access for a while now and have …

Hi, I'm having a problem wrapping my head around a problem. Here is the problem: Develop a program that will input a binary string and then, using bitwise operations, do a two's complement on the string and display it. Use UNSIGNED data types for the bit strings. So far, I …

I thought this website on coding conventions was pretty cool.. learned some things that I never knew before: [url]http://www.possibility.com/Cpp/CppCodingStandard.html#init[/url] I was just wondering: If there are any conventions in particular you agree or disagree with (and why) If this would be worthy of being a 'sticky post' as I think …

Hi All, I am facing the scanf() function problem, below given is a small code snippet where am facing the problem. [CODE] int main() { char str1[100]; char str2[100]; printf("Enter 1st string\n"); scanf("%[^\n]s",&str1); printf("Enter 2nd string\n"); scanf("%[^\n]s",&str2); printf("1st string is %s\n", str1); printf("2nd string is %s\n", str2); return 0; }[/CODE] …

I'm attempting to use a specialized function to search an array of c strings for the longest (or first tied for longest) member. Right now, I'm getting [inlinecode]line 87 error: invalid conversion from `char' to `const char*'|[/inlinecode] on my comparison statement. If I switch the templates' inputs to const, I …

Hi, What is the function/opperator to calculate a power with C# I tryed [code=c] powerof = anumber ^ anothernumber; [/code] and that clearly doesn't work (1^3 is 2, 2^3 is 1 etc.) How do I do it??? I looked under [icode]Math.[/icode] functions and there was nothing and I spent ages …

So far, this has worked relatively nicely. However, I am having trouble in outputting to two separate files, and I'm hoping that you guys and gals can help me out. I'm reading in from a file, and outputting to two different files, based on what the input is. If anyone …

Hi everyone. I'm currently working on a project with c#, and had some questions about classes. I'm a python programmer, so bear with me ;) How would I make a class that has pre defined arguments? I.e. even if the user doesn't pass that arguement, the default value of it …

[COLOR="Red"]Note two things: First off, I don't guarantee that it works well. Writing to files, if done wrong can always break things. Be careful. I mostly participate in this forum (the Python part) for fun, and my code is written like that. Second: this script is about copying things. I …

I wrote a program that compares two strings and tests to see if they are the same. Case difference doesn't matter. The problem is this: When the program is run it works only half the time. The other half the program doesn't wait for the second string to be entered, …

Hello I have a little problem. I have to make a single task for the school. Here the condition of the task: Elaboration of a program with which to process the source texts of arbitrary C progams, saved as file structures. Should be created and creates and displays statistics on …

I need to implement a huge array of 2100000 integer elements. I have to find duplicate elements in this array which means there will be lot of search. Can you please suggest me an efficient way to implement this? What collection to use and how to search.

allrighty, this MAY take a bit to answer, but i have here a standard visual c++ function that clears the screen, i found off the internet. what i need, is some help knowing what all the different functions inside do.... since codes useless unless you know what it does :) …

In [URL="http://www.daniweb.com/forums/post1071291.html#post1071291"]another post[/URL] I found the following construct: [CODE]#define STATIC_ASSERT(condition) \ do \ char foo[condition] = {0}; \ while ( false );[/CODE] First, I had to do a [URL="http://clusty.com/search?query=static%20assert%20compile%20time"]search[/URL] to see whether "static" meant "compile-time" here (that poor keyword [I]static[/I], it's got too many overloaded meanings in C and C++). …

This Program is supposed to get a filename, title and description of a database and then store it to and appropriate filename. [CODE] #include <fstream> #include <iostream> #include <cstdlib> #include <string.h> #include<ctime> #define MAX_FILENAME 256 #define MAX_INIT_NAME 1024 #define MAX_DESC 1024 using namespace std; class date { public: int DAY; …

Hi .. i am new in programing and i need to solve this problem ..so far i have done few things but there are some thing missing which i can understand ....so plz help.. The program is to be used to calculate the loading on a beam by a single …

[CODE]#include <stdio.h> #include <fcntl.h> #include <iostream> using namespace std; int main() { int fd, i, oflag; char buf[100]; oflag = (O_RDONLY); fd = open("from4to5", oflag, 0x1c0); if (fd < 0 ) {printf("Error opening\n"); exit(1);} while ( (i = read(fd, buf, 16)) != 0 ) { cout << "child: # bytes …

Here's the code that increases x value by 0.01 increment and outputs: x, placeholder for initial x+t and how many loop cycles it took to find a solution to the equation in function f1() in intervals for temp (0.5 ; 1.0)U(1.0 ; 1.5). [code] #include <iostream> #include <cstdlib> #include <cmath> …

The problem: Palindromes are words or phrases that read the same backwards as forwards. Write a C++ program that indicates whether each line on an input file, called sentences.txt and given on my homepage, contains a palidrome. Those lines of sentences.txt that are palidromes should be written to an output …

Hello all, I am getting the following run-time error every time I try to run a program I've converted from Lisp to C#: [QUOTE] System.InvalidCastException was unhandled Message="Unable to cast object of type 'System.Single[]' to type 'System.Collections.Generic.List`1[System.Single]'." [/QUOTE] In the function below the problem is occurring at line 16. The …

Hello everyone, I'm new here. I was working on a homework problem for a basic intro to C class and I'm getting a syntax error for an if statement and I have no idea why it's popping up. [code] #include <stdio.h> // Function Declarations int Sum (int x); float Average …

excuse me but i wrote this code for it could u cheek it pleaze [CODE]#include<iostream.h> int binarysearch (const int [],int , int ); const int arraysize=10 ; int a[arrayaize] ; int searchkey; for (counter=0;counter<arraysize;counter++ ) a[counter]=2(counter)+1; cout<< "enter your search key : " ; cin>> searchkey ;[/CODE] idont know what …

Hello, I have a binary file of this format: 1st 2 bytes = total number of entries (This appears only once at the file beginning) Then each record is of the following format: 2 Bytes = Entry no. 2 Bytes = Entry category 2 Bytes = Description length n Bytes …

Writing my own turtle class (I understand that Python has it's own turtle class, but this is for an assignment) with an imported graphics.py to draw a koch snowflake and c-curve. What I have came up with so far are all the functions I need. I just need some assistance …

Hi. I decided to try out the Report Wizard, having only worked with Crystal Reports prior, and when I try to connect to an Access DB with the default OLE DB data provider, I get "Unspecified Error" in the Add Connection dialog upon "Test Connection" or trying to accept the …

This is a very basic implementation of a Julia Set Fractal Generator. All of the variables are coded in, so feel free to change them to experiment with different results. I give an explanation of Complex Numbers and the Complex Plane, but you should look it up for your self, …

Basic, I'm trying to read in a file that has lines of data, where each set is on a new line, and each variable is separated by whitespace, save for the name, which can have multiple white spaces. Here's basically my code, the parts that matter. [code] #include <stdio.h> #include …