Software Development Forum

Hello, I am doing simple read/write program for serial port. I am faceing a error that i don´t understand. Error is: "error C2664: 'CreateFileW' : cannot convert parameter 1 from 'const char [5]' to 'LPCWSTR' " My whole program: #include <windows.h> #include <iostream> #include <string> using namespace std; void set_com_pin(bool …

Thanks!

program can receive an input value is between 0-9 and then print the multiplication table for its : example if input :7 output : sifir 7 1 x 7 = 7 12 x 7 = 84 please help me....

Hi, On windows, i don't see a maximum button on my JDialogs and this is fine, but on a Mac I have this dialog that people can keep up and use other windows, but you can also maximize a dialog on a mac apparently. There is a maximum button. At …

So the project is to write a program (for a beginners C class) that compares 2 words and see if there anagrams of each other. I'm about halfway through the program and it was working fine until i tried to add the IF STATEMENTS with isalpha. What I'm trying to …

Hello guys, just joined the community. Found it through google. :) I am basically new to python, only couple of days of knowledge. I am trying to make all the words in a txt file appear in 4 or 5 in a row. so the txt file looks like this: …

Is there any C++ .Net IDE's around? I mean visual studio is ok.. it just isn't as good as SharpDevelop which only does C#, VB and a few others. It doesn't do C++ that's why I'm looking for a C++ version of SharpDevelop. Any Ideas? SharpDevelop [url]http://www.icsharpcode.net/opensource/sd/[/url]

For school I have to write a program that requests a 3 part name and breaks it into a first, middle, and last name. I wrote the code but the alignment of my output is not right. I was wonderng if someone can tell me what I did wrong and …

I've been programming in Java for a few years now, and I've always wanted to be able to run my programs on computers without the JDK installed. I've been trying to make an executable .jar file, and it seems to work on my computer(the one with JDK installed). However, as …

[CODE] import javax.swing.JOptionPane; public class Finance { public static void main(String[]args) { boolean Access = false; String studentName = JOptionPane.showInputDialog(null, "Enter in your name: "); //String current = JOptionPane.showInputDialog(null, "Enter your password: "); //double currentBalance = Double.parseDouble(current); Account newAccount = new Account(studentName); //Gains access to Account class JOptionPane.showMessageDialog(null, newAccount.toString()); } …

Please help to make a code of the josephus problem in C using the circular linked list.

My assignment is to create the Game of Life. I know that it is very easy to find out how to do this online, but I don't want the answers fed to me. Here's what I have so far: [CODE] // Life.cpp : Defines the entry point for the console …

Is there a way to get a Message from a website(like copy it), then have it show up in a textbox? If, so can you provide an example?

So i have a program i am writing,and i have come to problem. I want to be able to pass a set of three strings into a function, which should then take them and add them to a Vector. All good so far, now is where my problem develops, how …

What I am trying to do is the following: [CODE] ReceiptBag zero("zero"); ReceiptBag one("one"); ReceiptBag bags[2]; bags = &zero; (bags+1) = &one;[/CODE] Of course that is not valid code. My goal is to be able to reference the same zero or one object by using its variable name or by …

Hi all, Having problems with null dates in a mysql table. Have eventually found out that I can store a 'null' date in mysql as "0000-00-00" and I can run the 'insert' command to add a record to the mysql table. When I check on mysql workbench I can see …

I want to read from the keyboard the first name and last name of a member separated by space I have tried the following but it doesn't work. [CODE] public static void updateWeight() { Scanner in = new Scanner(System.in); // Creation of a new Scanner object String tempName = ""; …

hello, im totally new to this forum, but i already checked whether my ask is answered somewhere else already. i couldnt find anything... i used to work with dev-cpp and i have to work with the cnum.h library a lot. Since im a student i am able to get MS …

Hi, Just started learning python..and want to learn to do this I want to read a text file that something like 10000 20000 30000 40000 20000 30000 88888 88888 60000 12333 44431 12345 I want to get the difference of numbers in column1 divided by x, where I want to …

(I'm new to programming in general) I created a program in python without an interface and part of it used a raw_input to get a users answer and compare with a stored answer. This was in a loop that limited the number of attempts the user could have. This worked …

Hi, I'm trying to read a file, line by line, into an arrayList, assigning a different line to each element and ensure that: 1. It's actually happening (which is the reason for the println statements) 2. that the scope of the arrayList with the string elements filled in is sufficient …

I want to parse the IP packet using SharpPcap and PacketDotNet functions.. The code is: private static void device_OnPacketArrival(object sender, CaptureEventArgs e) { var p = PacketDotNet.Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data); if (p != null) { var tcp = PacketDotNet.TcpPacket.GetEncapsulated(p); if (tcp != null) { Console.WriteLine(tcp.SourcePort); Console.WriteLine(tcp.DestinationPort); } } } where the functions …

Hi Guys well what I want to do is instead of within my writeString to set my PLAYCOUNT to '16' what I want to do is every time the statement is executed my PLAYCOUNT is increased by 1. Any help you can give would be appreciated: My code is below: …

I'm hoping someone can help me out with this. I have a datatable populated from an SQL Server 2008 database table. I created a DataAdapter with a commandbuilder to manage the updating, inserting, and deleting of records. The Updating and Inserting work as expected. However, Delete does not. The code …

Related to: C#; Windows form, Storing Multiple Instances of a User Control: Hi: I’ve created an app with a user control that accepts parameters. When a user clicks a button I need to store the current view of the control and bring into focus on demand. Several instances of the …

I'm using C# in VS2010 and I need some help with a web application. I don't have much experience with web services. I was given the url to a webservice containing methods required to build the login part of the application. No documentation. I have the login piece working though. …

I have the following code which creates a nice little instant messenger for my program. I am running into trouble when I try to send a message to a user that is not logged into their chat window. It waits about 20 seconds, then throws the error message. In the …

So, even thou I have searched throughout the forums, I couldn't get a clear answer, maybe perhaps I'm a noob @ Python. As a beginner, I don't know much about Python, and it's frustrating to search the net and not find the actual answer. So, I'm working on this project, …

Basically I have to do this: [B]Write a program that displays the number of students that can still enroll in a given class. Design your solution using parallel arrays.[/B] my problem is what loops should I use for this I dont think [B]for[/B] loops would be useful at all...I think …

Hi Everyone, I am Actually trying to make a simple C++ game in which some random alphabets will fall down and when we press one of those random alphabets keys the aphabet should disappear. The problem that i am facing in making this code is that when i am using …

please solve my problem i want to know where we show text when we use copy cut command Example: we use a command Ctrl+C or Ctrl+X any text in textbox or any file or folder i want to view his clipboard where it link save OR view in Registry or …

I want to create a file on a remote machine, and write to that file. What are the ways of doing so.. I have searched, but couldn't get any thing relevant... if I give the ip address of the machine in the path of file., will it work?? kindly help...

Earlier on, in [URL="http://www.daniweb.com/software-development/java/threads/412571"]this thread[/URL] my question was answered about how to add objects of a custom class I called State into a HashSet which was a value for a key in a HashMap. [CODE]Map<String, HashSet<State>> mapping = new HashMap<String, HashSet<State>>();[/CODE] However, I need to ensure that there are only …

I have a form with a textbox and I want that textbox to read from http.conf on line 162. Line 162 reads ServerAdmin [email]you@yourdomain.com[/email] Shouldn’t this code work? [CODE]Public Class Form1 Dim apacheconf = "c:\httpd.conf" Dim line() As String = IO.File.ReadAllLines(apacheconf) Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles …

Hello, pls can anybody show how works printing? here is the code: [CODE]class Student(object): def __init__(self, name): self.name = name self.report = dict() def add_subject(self, subject): self.report[subject] = list() def subjects(self): return self.report.keys() def s_subjects(self): lpre=[] for subject in self.subjects(): lpre.append(str(subject)) print lpre class Subject(object): def __init__(self, name, teacher = …

hi friends plz tell me how to add time which is in HH:MM:SS (in 24 hr format). i have a array of time stored. need to add those times and calculate total time...

Hi All, Why my QueueUserWorkItem is not at all working. My code is here: [CODE] typedef struct { PCHAR URL[MAX_URL] ; PCHAR DestinationPath ; }MAINDATA, *PMAINDATA ; int main(int argc, char * argv[]) { PMAINDATA pData ; BOOL bQuwi ; DWORD dwIndex ; PCHAR pURL ; pData = (PMAINDATA)malloc(sizeof(MAINDATA)) ; …

HOw can i send and receive images over the socket in java?

How can i delete a row in table using abstractTableModel ?

i found this code in a book. i am finding it confusing. [code] #include<stdio.h> int main() { int arr[3]={2,3,4}; char *p; p = (char*)arr; // line A p = (char*)((int*)p); printf("%d",*p); p= (char*)(p+1); //line B printf("%d\n",*p); return 0; } [/code] the answer is: 2 0 but i cant figure out …

What is the need for operator overloading?

Hello everyone, Im developing an application in C# for a school project that encrypts data in text form using a password and vice versa, and i' d need some help with something. The program encrypts fine taking as input 1)the data (reading it from textbox) and 2)the password, and stores …

My form has a TextBox with values like(e.g: P011112, C0212102) those are products lot numbers that the user enters. Then, what i want is that a DateTimePicker takes the first 4 digits as "MM-yyyy" and add 3 years to that date. Example: TextBox.text = P011112 DateTimePicker = January, 2014 Thanks …

I'm searching for a java library/framework that makes printing easier. By easier I mean something that makes it possible to layout and format text/images and other elements in a document by defining layouts in html/xml or something. I also want the layout to be decoupled from rendering so the document …

I'm trying to design Programmable Logical Array using c language. Due to lack of time I downloaded code for tabulation from internet. Now I have modified it to return f and f' in a character array. It works fine for some functions. But it shows memory allocation problem for some …

can someone tell me how can i do arrylist(of three classes) in one class ??

[CODE] sem_t w,r,s1,s2,s3; pthread_mutex_t m; int main(int argc, char* argv[]) { mutex and semaphores initialization ..... call threads.... wait until finish and cancel threads... clean threads and semaphores [I]exit;[/I] } void *reader(void *argv) { while(TRUE) { sem_wait(&r); sem_wait(&s1); pthread_mutex_lock(&m); ... read data..... pthread_mutex_unlock(&m); sem_post(&s1); sem_post(&w); } printf("Done read\n"); sem_post(&extra2); pthread_exit(NULL); …

Hi, can you have a quick look at the two for loops here. I've declared the int 'i' in the first for loop but in the second for loop it doesn't recognise it and i have to declare it again. Why is that? [CODE]for(int i=0; i<x; i++) { cout << …

Hi everyone! Am new to python, getting grounded in it as fast as i can but now, i have some issues. I use the web2py framework for web development. At the moment, am working on a blog using one of the CMS (named InstantPress) designed in web2py also. While editing …

I definitely need assistance with homework assignment: I seem to have a lot of issues creating a program when I have to use JOptionPanes(s). After the instructions is my current code. 1. Design and implement a Java program that will gather integer numbers and performs some computations on the data …