Software Development Forum

I am having a problem getting a certain part of my program to loop. I need the loop to repeat if 'Y' or 'y' is picked after a menu item is chosen. And if 'N' or "n" is picked print the receipt. I have tried numerous times to get the …

Hello, Yet another silly question from yours truly. I need to add escape characters to " and ', so that "monkey's cool" becomes \"monkey's cool\". My primitive solution to the problem is as follows: [CODE]str1=raw_input("String:") str1=str1.replace("'", "\\'") str1=str1.replace("\"", "\\\"")[/CODE] But I bet there is a more efficient and elegant solution …

I recently wrote a cpp file that I'm questioning. I'm unsure of whether the approach I took is correct or if it will cause damage to the heap. The goal of the project is to be able to do "clean-up" on dynamically allocated memory by storing the created object in …

I need help on making a sine wave I'm trying to do the equation y = Acos(2 (pi)/B x - 2(pi)/B P) amplitude A, period B, and phase shift P. It is not working out too well so can anyone help me refine this? [code=c] #include <math.h> #include <stdio.h> #include …

Is there any way to display more than ten thousand list of Record using FlexGrid- all at once. If not, what will be the solution of this problem.

Hello to all, i have a question that maybe already has an answer but i can't realy find it. I want to have a ListView with a progressbar for each item (row) in this ListView. I have an application where i'm downloading some files to a electronic device i made. …

without using the windows task scheduler is there a way to automatically run a task at a certain time using c#?

I have a string stored in a variable, say myString= <RssFeeds<link>http://www.codeguru.com/icom_includes/feeds/codeguru/rss-all.xml</link> <title>CodeGuru.com</title> <description>something</description></RssFeeds><RssFeeds><link>http://lifehacker.com/index.xml</link> <title>Lifehacker</title> <description>something</description> </RssFeeds> I want to extract the text between <link>and </link> and also the text between <title>and </title> in two different arrays. How to do this, please help me. if anyone have code or any helpfull …

i created a sql database with table land. columns; LandID int PK LandCodeID int LandName nvarchar(100) LandFlag image Allow Nulls ive created a dataset in my solution. from my Data Sources i can drag & drop the table Land to my Form1 as DataGridView. it puts all the columns above …

Hello, I'm newer to programming and trying to do something that has me stumped. I need to read files from a directory on a server and compare those file names to a field in a database. When I find the file names that are the same, grab a different field …

Hello all, I am not taking a class or asking for help with homework. I am attempting to learn C++ on my own and I do not understand the logic within one of the sample programs within my book. [code=Cpp] #include <iostream> #include <string> int main() { using namespace std; …

Hi, I have a gizmo attached on serial port and need to detect changes of controls signals DSR, DTR etc. no data, just changes (edge). I do it with MSCOMM.ocx and it works, but only when is CPU on idle and windows messages are delivered on time. When is load …

I'm trying to create my own pattern (or something similar to a pattern I guess) where objects that are anonymously instantiated can still be referenced, but I'm getting weird memory results. It seems as if the free memory is decreasing when it should be increasing-- [code=java] import java.util.ArrayList; public class …

given x and y (the field dimensions) and x*y numbers, (pieces of cheese on each square) calculate the best way for the mouse to get from (1, 1) to (x, y), he has to get as many cheese as possible... also you can only move closer to the (x, y) …

Hello Everybody, I am learning Java from a few days.i am getting an error in one of my programs wherein i am trying to print thr sum of "n" numbers..the code is as follows..please help me [code]import java.math.*; import java.util.*; import java.io.*; public class Add1{ public static void main(String args[]) …

[CODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; public class ExpressionCalculator implements KeyListener { private JFrame frame; private JLabel label; private JPanel boxLayout,panel0,panel1,panel2,panel3; private JTextField TxtInfix,TxtPostfix,TxtPrefix,TxtResult; private Font font; public ExpressionCalculator() { boxLayout = new JPanel(); font = new Font("Serif",Font.BOLD,12); //For infix notation panel0 = new JPanel(new FlowLayout(FlowLayout.CENTER,5,0)); panel0.add(label = new …

I am working on the code that reads an enum. It seems to point to an address instead Here is the code thanks for any help [code=cplusplus] ////////////////////////////////////////////////////////////////// //contribtor.h #ifndef CONTRIBUTOR_H #define CONTRIBUTOR_H #include <iostream> #include <string> using namespace std; //================================================================ //CONSTANT DEFINITIONS enum Gender {Male=0, Female, None}; class Contributor …

The aim of the program which i am writing is to convert strings of DNA. The DNA is in a text file and represented by the letters A, T, C, and G. Reading in the file and outputting the converted DNA is easy. However i want to save the converted …

All I need to know is how a good way to make sure integers between 1 and 52 wont be draw twice over in a for statement... I was thinking something like [code] srand (time(NULL)); int *drawn; //The card to be drawn int notdraw[52]; // All the cards that have …

When I enter Unicode data as values for TextCtrl, I get the following errors: [code] UnicodeDecodeError: 'charmap' codec can't decode byte 0x90 in position 5: charac ter maps to <undefined> [/code] I am trying enter Burmese text (U+1000 to U+10FF).

Hi guys, I tried rewriting my C-ish C++ function to true C++, but I'm failing so far: The first function (working) [code=cpp]const visualPart * entity::getVisualPart(unsigned int wantLOD){ for(unsigned int i = 0; i < visualEntity.size(); i++){ if(visualEntity[i]->LOD == wantLOD){ return visualEntity[i]; } } return NULL; }[/code] And the second (not …

Hello, I am trying to figure out how to use memory blocks and create a block of data that contains different data types within it. In my particular example I want a pointer to a memory block that contains a struct followed by an array of floats. This is what …

Hello, A complete Python newbie needs help. :-) I have a simple script that updates the 'note' field in a MySQL database table based on the record's id: [CODE]id=raw_input("Record id: ") update=raw_input("Note: ") cursor.execute ("UPDATE notes SET note='"+update+"' WHERE id='"+id+"'""") print "\nRecord has been updated."[/CODE] The problem with this solution …

when i m using this code: its not complete code..assume everything is right... [code] for(int result=0;result<g;result++) { u1+=((a[result].real_z1*tw[result])/sumd); u2+=((a[result].imaginary_z1*tw[result])/sumd); u3+=((a[result].real_z2*tw[result])/sumd); u4+=((a[result].imaginary_z2*tw[result])/sumd); } cout<<"\n""Value of U1:"<<setiosflags(ios::scientific)<<setw(10)<<setprecision(8)<<u1; cout<<"\n""Value of U2: "<<setiosflags(ios::scientific)<<setw(10)<<setprecision(8)<<u2; cout<<"\n""Value of U3: "<<setiosflags(ios::scientific)<<setw(10)<<setprecision(8)<<u3; cout<<"\n""Value of U4: "<<setiosflags(ios::scientific)<<setw(10)<<setprecision(8)<<u4; ofstream abc; abc.open("result.txt", ios::out | ios::ate); abc<<endl<<endl; abc<<"Data at position [ "<<i<<" , …

Hi guys, its me again.. I was wondering if anyone could tell me how to test a character if it is within the ASCII range, like say in the following pseudocode: [CODE] ifstream in; in.open("file.xxx", ios::binary); if(!in) { cerr << "file.xxx could not be opened. \n"; } while (!in.eof()) { …

Hi everyone, I'm feeling a little dizzy trying to place the root window of my Tkinter app on the screen. I followed [URL="http://www.daniweb.com/forums/thread66037.html"]mawe[/URL] advice and coded like this: [code=python] root = Tk() root.config(bg="white") w, h = root.winfo_screenwidth(), root.winfo_screenheight() root.geometry("%dx%d+0+0" % (w, h)) [/code] However the window gets placed wrongly and …

Please help me doing my homework. this homework done with C++ Data Structure. This is Questions: [URL="http://img520.imageshack.us/img520/4417/qqqq1gvq5.gif"]http://img520.imageshack.us/img520/4417/qqqq1gvq5.gif[/URL] [code]#include <iostream> #include <stdio> #include <assert> #include <string> #include "bt.h" class Calc { public: } ; int main() { bSearchTreeType<Calc> obj; string command; cout<<"I-Inputtheexpression"<<endl; cout<<"N-InorderTraversal"<<endl; cout<<"P-PreorderTraversal"<<endl; cout<<"O-PostorderTraversal"<<endl; cout<<"F-Numberofoperatorinthetree"<<endl; cout<<"E-Evaluatethetree"<<endl; cout<<"Q-Quit"<<endl; cin>>command; do { …

FOLKS: I fill my data grid view with data and i try to color a few cells based on a condition but nothing seems to work..no errors either..can u pls help me >? [CODE]Private Sub Button11_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Dim con As OleDbConnection = New OleDb.OleDbConnection("provider=microsoft.jet.oledb.4.0;data …

[B]Hi all, Is it possible to programatically "Compact and Repair" an mdb file as can be done manually from MSACCESS menu "Tools"-> "Database Utilities" -> "Compact and Repair Database..." Any help will be appreciated... Rajesh Khanna [/B]

Hi, I want to write VB code so that the any First letter of any Word entered in the textbox will be automatically converted to Capital. Whether there is one or more than one word in the text box, any first letter of the word should be converted to Capital …

Being new to java am trying to understand the terminology and works around... If i have a simple text file userdetails.txt which contains users name, password, home_dir_context (this is just for questioning).. Which function between the two do i use to get the path where this is located : c:/Java …

Is there any way to display more than ten thousand list of Record using FlexGrid- all at once. If not, what will be the solution of this problem.

can anyone in here help me with my programming project. Your C program must be invoked exactly as follows: shell [batchFile] The command line arguments to your shell are to be interpreted as follows. batchFile: an optional argument (often indicated by square brackets as above). If present, your shell will …

C++ reading text files I have a program which I am writing which manages a savings club. I have set up a functions which creates members (there are two members types) and outputs there data to a text file a line at a time in the format string, int, int, …

Shell Programming for UNIX/Linux is finally over thank god! C/C++/Perl I hate that shit lol it's over and I learned something. 1&>2 = I dont really know if this is right lol or 1>&2 = Something is redirecting something lol

Hey everyone! Okay I have another pretty simple problem... [ICODE] while mainloop == 0: for event in pygame.event.get(): if (event.type == KEYDOWN): draw_level() if (event.key == K_ESCAPE): sys.exit() if (event.key == K_RIGHT): while roll == 0: if level[yd][xd + 1] == 1: xd = xd - 1 roll = 1 …

After finishing my lesson on loops and array initialization i managed to sit down for a good 15 min. and right a calculator now the code is perfectly clean but when i run it i doesn't do what i programmed it to do..here is the code [code] //*********************** //* //* …

Hello Everyone. I'm new to python and so far, I simply love it! I'm still just starting to get the knack though and there's a lot more I want to know. I've decided to use it mainly for my robots' programming scripts. Right now I'm currently stuck on a simple …

Dear Sir/Madam Please tell me how can i remove "Invalid use of null" problem . Coding given below There is no value in rc1.fields(6) [code]db1.Open "Provider='Microsoft.Jet.OLEDB.4.0';Data Source='" & App.Path & "\tmgmt.mdb';" st1 = "select * from travel where sno = " & frmtorf.tserial.Text & ";" rc1.Open st1, db1, adOpenDynamic, adLockBatchOptimistic …

I am here making my video game wondering how to make an image appear when someone clicks in a certain area. If I need an image to pop up when some one clicks anywhere within a large rectangle of space how would I go about doing that? Thanks!

Hi I have a program i was writing to solidify my knowledge of files and how to handle them. I seem to have hit a snag though. What the program does is create files based on a user inputted date and allows them to add content to the files (kind …

Hi ppl, I've written a simple program with strings. this just recives the name and last name of a person, and then print it. i had a few problems with this: at first, it didnt let me define a variable as "string", it gave this error: [code=cplusplus] C2679: binary '>>': …

Hello people, Alright, my problem is something like this. I've declared a nested struct within a class template, and i want one of the member functions of the class to return an object of type struct. Somehow, i seem to be unable to do this defining the member function outside …

I have a codein which i want to do the following: main(int argc, char *argv[]) { fp1=fopen(argv[1], "w") function(para1, para2, ??) } function(para1, para2, ??) { fp2= fopen(argv[2], "r") } So eesentially i want to pass a few parameters and the pointer to the function. I dont know how to …

hello freinds.I am anshul agarwal doing my summer internship in Germany. I am facing one problem in visual c++.. Actually i have done a project in borland c++ but because of memory constrain, I am forced to switch over to visual c++... My program is to read 5000 data from …

Hello progers There is a big question in my mind I know that now PHP is popular but JSP is also known . . . so can you answer which language will be popular in future

i want to learn vb.. is der any tutorials here dat can help me learn vb? tnx..

Hi guys, I'm having a little problem setting a string value to another string.. I have the class: [CODE] class FILENAME { public: string GetFullPath() const; void SetFullPath(string& fname); private: string fullpath; }; [/CODE] The declaration for the SetFullPath Method is: [CODE] void FILENAME::SetFullPath(string& fname) { fullpath = fname; } …

what code can i use so that if the coodinates of a mouse represented by symbol @ goes over coodinates of apples representedby symbols & and makes the & disappear on the grid? im thinking which would be more effiecient, the if or switch statement

Hi...can any1 help me in this code?? i am trying to read the content present at address 0x2c of memory of floppy...but i am having problem in this...please tell me how can i do this??? [code=cplusplus] #include "stdafx.h" #include "fat_32.h" #include <conio.h> #include <memory.h> #include <string.h> #ifdef _DEBUG #define new …