Software Development Forum

Please correct me if there's something wrong with my codes...It already have SQL Database connection and I successfully display my record from the database.... Please help me...here's so far I have...I need codes for data manipulation adding/edit/delete records....im using C#Windows Application THANK YOU...you're a big help... using System; using System.Collections.Generic; …

I'm having a small problem with debugging my application in VS C++. When I pass in a single parameter, the debugger insists 2 parameters have been passed in. The first parameter is invariably "d" and the second parameter is always the first character of whatever I pass in. Further, if …

If you use the new operator on a class, say [code=c++]class dummy { public: string f; }; int main(int argc, char *argv[]) { dummy *p = new dummy; return 0; }[/code] do you have to use the delete operator on [icode]p[/icode]? (since, apparently, it utilizes new.)

This isn't exactly a thread about a particular question, but a thread that may help people with memory dynamically allocated/deallocated during runtime. The below example goes over pointers in multiple dimensions-- [code=c++] #include <cstdlib> #include <iostream> /** This program can be used to determine whether pointers are deleted or not …

I've always used the Dev C++ compiler; however, I keep hearing how the software has little support. Additionally, I have heard people praise the debugger of Visual C++. So, end result, I'm deciding to switch from one to the other. My only problem now is that I can't make the …

i'm relatively new to coding, i only started java this year and C++ last year, i decided i wanted to tackle minesweeper, my only issue is putting all the buttons on screen, my computer-science class uses java that's a little outdated so please excuse this, here's my code, could someone …

Hi, I was recently reading a tutorial on C++ and I had a question about dynamic memory. The first paragraph of the tutorial stated the following: [I] "Until now, in all our programs, we have only had as much memory available as we declared for our variables, having the size …

Hi I have made a program with wxPython and i have this bit of code: [code=python] def getpic(self,event,urlp='http://mirror.bom.gov.au/radar/IDR043.gif?20080427173538'): fc = url.urlretrieve(urlp,filename='Weather.jpg') image_file = 'Weather.jpg' self.bmp = wx.Bitmap(image_file) self.img = wx.StaticBitmap(self.background, wx.ID_ANY, self.bmp, pos = (20, 60)) self.background.SetInitialSize() [/code] This is a bit of my code, not the full thing but …

I am making a C program to send AT commands to a mobile phone from my pc. In that, I want it to dial a number but after a delay of some time say 10 minutes. How should I do this(I am using WriteFile command to send the dial command …

I have a list of document pages with indicators where each document begins "ND": [CODE] Page1,ND Page2, Page3, Page4,ND Page5, [/CODE] I am trying to format it so that I have a two column csv with the first and last page: [CODE] Page1, Page3 Page4, Page5 etc [/CODE] I cannot …

Could anyone please tell me a good place to start in making a generic and customizable media player in python. perhaps a tutorial on how to. I can't find much except for already completed media players by other people. I think it would be ideal for my college project, however …

sorry, my eng is not good that much I am trying to run this program I am getting a strange result when I press 'a' through keyboard switch is running twice automatically for first time it is going to perfect case then second time it's going to default case [code=c] …

i just finished 3rd year in computer science and engineering from amity university noida. however i am doing summer training with a company in rudrapur. the project i got was to develop a software using vb.net to keep track of all attendace records whose input is given through magnetic card …

I need some help keeping track of letters the user inputs. With my current code it only outputs one letter at a time of the word to be guessed. Can anyone help? #include <iostream> #include <fstream> #include <string> #include <iomanip> #include <time.h> using namespace std; void Hangman(); void LeftArm(); void …

hi im in third year of my engineering and have started on my summer holidays ..........i want to know whether to learn java or .NET

display output on one line. this is a exerpt from my kshell script cat <filename> |egrep -v Pattern1|egrep -v Pattern2|egrep -v Pattern3 |egrep -v Pattern3 which displays Name=john, Age=24, Occupation=Sales Name=mike, Age=34, Occupation=Unemployed Name=mike, Age=34, Occupation=Unemployed Name=mike, Age=34, Occupation=Unemployed would like to get em all on one line with or …

I need to dynamically create and persist the state of ActiveX controls. The Visual Studio designer can do this at design time, but I need to be able to do it at run time. I need some pointers on how to dynamically load a control into an AxHost wrapper and …

Hi, I've been given the following task: 1. Read some .h header files from a few different folder in different directories. 2. Extract only the functions in the files and store all of them into a single text file. 3. Repeat the step 1 and 2 again but extract info …

Hi I am new to Python, I would like to inquire why the script below can't use fileHandle.readline() I am trying to store the data in an input file into a structure, but I am not sure why line = file.readline() fails ? The structure contains mode. Each mode contains …

How to setup Borland C++ IDE Environment? I've loaded the Borland C++, it went ok. Now what of the environment and the libraries, includes, and source directories. Apparently, the obvious isn't working. The following is how I have things set: Includes: c:\bc5\include ; c:\bc5\cpk6501\cpk6501\inc Library: c:\bc5\lib ; c:\bc5\cpk6501\cpk6501\lib Source: c:\bc5\output\intermed …

I get a "Debug Assertion Failed" when I go to run my program. More specifically it says "Expression: _BLOCK_TYPE_IS_VALID(pHead->nBlockUse)". I assume this is because I'm using pointers incorrectly. Here is some information about the assignment: [quote]A file contains text representing a prioritized collection of messages. The messages were received one …

when i am entering name and roll no only the last name and rollno is displayed and rest is not....i unable to detect where i went wrong and also ...deletion operation is also not working.........and ya i want to try this using linked list...plz i have to do this ne …

I've got a small little program that I'm trying to write that converts a base10 number to a base2. For some reason my instructor wants us to use stack on this. I've got most of it done but I'm having trouble trying to get the stack converted to an int …

hi i am just starting with vb.net and have set a connection to an existing access db that i have and am able to get the data displayed on a form. my problem lies where as i want to setup a basic search. i have added a query to a …

Hi, i am little confused in usage of strtok() syntax. Basically , i extracted the source code of a webpage using Java and now i have to remove all the extra tags inside the html page so i can have clear text. For example a simple HTML page is like …

Hi all, I have to write a program which utilizes threads. In my program I have to connect to a Database and execute a massive number of UPDATES on a table--arround 2000 to 5000 records needs to be updated. I am planning to use threads. So, I can spawn multiple …

Is there a website that has some kind of GUI or application that allows users to enter statements like-- delete delete [] for... n elements... delete arr[n] --etc so that they can learn good memory management? I sifted around some free ebook sites and found one but the link to …

I have a program with a bunch of threads running. I kill them all at the end of the program. I have stepped through and seen them all abort. Is there a way to see (since I cant when stepping through) which thread it is? I can see the process …

Hi All, If i have choice to either use simple array(char a[]) or map. Which one i shall use, whether array or map. i need to know wich technique will give better performance. As per my requirement i will insert the element in array/map, find the element based on index. …

I have a function double Max(vector<geom_Point3> &Points, int n); Then in another class, I have a private member: vector<geom_Point3> Vertices_; and in a class function, I call: min_x = Min(Vertices_, 0); however, I get [code] error: qualifiers dropped in binding reference of type "std::vector<geom_Point3, std::allocator<geom_Point3>> &" to initializer of type …

Hello, I am new to C#, very new, i started actually right after getting done learning queries and stuff from SQL 2005, two questions, first i am writing out a simple program where you click on a button and it plays the wav file with the path already within the …

Hello, I'm trying to make a code that acts as a simple menu for a number of programs. What I was wondering was how do I include the .ccp files and run them in the menu program. Here's what I have so far: [code] #include <stdio.h> #include <stdlib.h> #include "1.cpp" …

Hello all, I am having endless problems with the peice of software i am trying to develop. Firstly I couldn't colour the rows of the datagrid and when i was able to do that I couldn't make it work only for one single row instead it colours the whole datagrid …

Hello, I need help to solve the problem in my app that uses structs. I have for example this struct: [CODE] struct SimpleStruct { SimpleStruct(): hasVars(false){} ~SimpleStruct(); AnotherStruct SimpleVariable; bool hasVars; }; [/CODE] and in the code, initializing this struct goes ok, but when the class, that has this struct …

i am not able to execute applets. i have written the following program. [I][B]import java.awt.*; import java.applet.*; /* <applet code="sampleapplet" width=200 height=60> </applet> */ public class sampleapplet extends Applet { public void paint(Graphics g) { g.drawString("simple applet",30,30); } } [/B][/I]:?: javac sampleapplet.java appletviewer sampleapplet [B][U]The following error is displayed:[/U][/B] [COLOR="#ff0000"] …

Hi All, I am in the process of learning python. I have a gui that gives the user the option of selecting between two applications to run. Currently each button calls one of these two modules (another python script), using the import command. Since it takes a few minutes for …

Any one can help on how to delete a particular string from the contents in a document file

hi frds, I want to establish relation between two table. I select both and got table name and field name . After this i have no idea how to form relation b/w that table. If you have any clue plz provide. thanks.

I never use C# .net 2005, How i can open .exe file that actualy run in DOS and get the data and print it on .txt file. the way is I write the names of .exe file and I press the button and I can see everything one time.

Hello I am trying to write a program that prompts the user for 3 test scores, averages the 3 test scores, and keeps repeating until the user enters "N". My problem is that I am creating the average and exam scores as data type double but in order to check …

Hello, I'm new to C++ and I need help figuring out how to send information to the rs232 port. It's going to be one way communication (PC to device). I've tried reading other tutorials, but none of them clearly explain what's going on in each part, so I often get …

Hi, I have been created a tab control in dialog box (we called as Dialog Main). I add 3 frameless dialog box (we called as dialog A, Dialog B, Dialog C) in the tab control. The tab control working fine. I add three button (OK button, Cancel button ,Apply Button) …

Would anyone happen to know A. The header file for standard winsock use and B. a helpfull tutorial on basic winsock client/listen string transfer? Help is much appreciated, thankyou.

Except for this one problem I have created a board game in VB6. There are four red pieces and one blue, with the board as per chequers, only the white squares in use. The sqaures are in an indexed control array (0 to 63) with only the white squares enabled. …

hi. can anyone tell me the connectionstring for connecting to an ms access database over a network? only the second part, where you specify the location of the database, is needed. i know how to specify the jet engin. let me give an example. to connect to a local dbs …

I want to read each line of text file and store each line into a giant buffer so I can look at all the contents. How would I do this? [CODE]int _tmain(int argc, _TCHAR* argv[]) { ifstream indata; // indata is like cin indata.open("example.txt"); // opens the file if(!indata) { …

Hi all, [code] class: FileCheck(object): def checkFiles(install_vers=None, uninstall_vers=None): if uninstall_vers != None or install_vers != None: if uninstall_vers != None: for ver in uninstall_vers: print "checking %s" % ver if install_vers != None: for ver in install_vers: pass print "done" if __name__ == "__main__": check = FileCheck() check.checkFiles(uninstall_vers=["1.0","1.3"]) [/code] I'm …

I do not know if this has ever been asked in C before but I have a floating point variable like this: [code] while (fCost <= 0.0) { printf("\n\tKudler Fine Foods 'Sales Tax Calculator'\t\n"); printf("\nPlease enter your sub-total:\n"); //allows customer to enter sub-total scanf("\n%f", &fCost); } [/code] note the variable …

HI I have an application that contains certain editable fields (textboxs) and what i want to do is know when someone has changed or entered new text. What i done was in the 'TextChanged' part of a text box was this: Private Sub txtCNotes_TextChanged(ByVal sender As System.Object, ByVal e As …

Hello. I have been reading this forum for quite some time, and this is my first post. I often have the need to dynamically allocate memory for arrays with multiple dimensions. In my opinion I find it quite ugly to litter the code with multiple for-loops and mallocs every time …