Software Development Forum

Hi The scenario is this: 1. I have a multiline TextBox in my Web application 2. i search a string from the text found in the TextBox 3. After i find the string in the TextBox i must give the line number of where it is in the Textbox or …

Hi. I just started python programming tonight and am trying to use good practices such as list comprehensions etc. However, I'm trying to get a list of all files in a directory (and subdirectories) and only add the filename to my list if its extension matches one of the extensions …

So having some trouble with the error checking in the below function. Currently if you enter something wrong like r it returns "Pleae Enter next move" which is correct. My problem is that if I enter rrr it will repeat "Please enter..." 3 times instead of just once. I hope …

Is there any way to force fwrite() to write in big-endian format no matter what? I am trying to write a MIDI file and they are always big-endian. Converting every value I write to big endian beforehand would be extremely tedious. Ideas?

I am trying to write a program that given two integers in two strings, substracts the second integer from the first integer and outputs it. 1. I read in two strings. 2. I reverse them (I am also adding them, I found it easier to add if they are reversed) …

Hi folks, Just hoping someone can point me in the right direction with this one. Say I have these key:value pairs in a dictionary, d1: [CODE="Python"] d1 = {fruit:['apples', 'bananas','oranges','tomatoes'], vegetables:['carrots','lettuces']} [/CODE] And I wanted to remove a list (containing tomatoes, oranges) from the value of the key fruit and …

Hello! I am writing a program to overload ~ operator to reverse the given string. Here is my program. The problem message is that"Could not find a match for string::string(char). I am writing my program on linux. I can not use strrev function. [code] #include<iostream.h> #include<string.h> class String { char …

I have an assingment in which i have to right an algorithim to get through a maze. I dont know where to really start with it. I know in the instructions it said to write it as though we used our right hand as a guide. in other words we …

The following program accepts five student names and 4 test scores for each. Then calculates and displays the average and letter grade for each students. Well, that is what it is supposed to do. Judging by the long list of errors I get, it looks like none of my arguments …

Hello, I am writing a program about gas pump. Here is my code [ICODE]class GasPump{ public: GasPump();// loads all pumps w/ 50 gallons, price is 2.00, 2.25, 2.50 GasPump(int l, int m = 100, int h = 100); //price is 2.00, 2.25, 2.50 GasPump(double pl, double pm, double ph); // …

Here is my code including header files. My program is supposed to be a fraction calculator that handles exceptions such as division by zero, division by non-integer values, allows user to re-enter any values the program threw an exception for, and allows the user to continue to use the program …

[code]int **p; p = malloc (x * sizeof *p);[/code] sizeof *p - (i am not quite sure, and i was thinking) does it calculate the size of *p as size of double pointer, size of pointer or as size of variable pointed by pointer another exmaple with same [icode]int **p;[/icode] …

The type Point is a fairly simple data type that represents a point in the two-dimensional plane. Write a definition of a class named Point that might be used to store and manipulate the location of a point in the plane. You will need to declare and implement the following …

I have a small, probably poorly coded telnet server. You connect, it shows some ansci art and then you just type to chat and it displays your ip address following your message. The problem I'm having is implementing a backspace. When you use backspace in command prompt it simply just …

im making a program and when you select exit in the menu i want it to be like: Are you sure you want to exit? Yes No Enter Esc so when you press enter it will exit and when u press esc it will go back to the menu. everything …

So I have been messing around with Swing and am starting to grasp general functions with buttons and text boxes etc.. But what I want to do is have a main page (JFrame Form) with 3 buttons and when I click whichever button I want it to open another JFrame …

Dear All, Everytime i want to logg off or restart to set python path so how to avoid this logg off or restart options. Actually iam using two Softwares using this different Pythonpath if iam using second software means again i want to restart Pc how to avoid this Situation. …

Hi all! I have several tables in an MsAccess db and I would like to read all data of a certain column to a Hashmap. With 3 tables and using static array, it' working but i have about 300 tables. With the static array, I used sg like this: [code=java] …

The Problem: Aircraft fly from one point to another. At the same time, birds fly around. The objective is to determine whether the aircraft will encounter birds or be able to reach its destination safely. The airspace is divided into 100 squares (10 x 10 squares). For simplicity, we shall …

Hi, I would like to know how can I make the system beep louder I know you can change the frequency of the beep but its not loud enough as I am using it in a noisy environment. How can I sound the loudest system beep or make the system …

I'm just trying to figure out how this stuff works. I wrote this function: [code] #include <algorithm> #include <vector> double VectorMax(const vector<double> &a) { vector<double>::iterator pos; pos = max_element (a.begin(), a.end()); return *pos; } [/code] and call it with: [code] vector<double> Numbers; Numbers.push_back(3.4); Numbers.push_back(4.5); Numbers.push_back(1.2); cout << VectorMax(Numbers) << endl; …

Hi, I want to write a for..next loop...for a "For next " button... when clicked, the loop will execute for a short period (This time should be kept track of by the counter) and stop..... When the button is clicked "For next"...the speed of the object should increase and then …

I am new in Asemply language and the little man so I would be thankful if someone shed me a light how to write a program and multiply 2 numbers together.

I'm reading Data structures and algorith analysis by Weiss lately. There's just one part that doesn't make sense to me at all. [CODE=java]public class QuadraticProbingHashTable<AnyType> { public QuadraticProbingHashTable() { this(DEFAULT_TABLE_SIZE); } public QuadraticProbingHashTable(int size) { allocateArray(size); makeEmpty(); } public void makeEmpty() { currentSize = 0; for (int i = 0; …

I am trying to use the for_each from stl algorithm. [url]http://www.cplusplus.com/reference/algorithm/for_each.html[/url] [code] #include <algorithm> #include <vector> #include <iostream> template <typename T> void OutputObject(const T &obj) { cout << obj << endl; } template <typename T> void OutputVector(const vector<T> &V) { for_each (V.begin(), V.end(), OutputObject); cout << endl; } [/code] I …

Hello everybody.. I have tried to use these codes that I got from a book. I'm using MSFlexGrid, with the Grd name. It was set to be invisible (false visible). And when i enter the year (tahun) needed in the "txttahun" textbox, it will only show the data that related …

Implement the following improvement to the quick sort and find out the percentage of key comparisons that can be saved in each case. Using randomly generated 1000 integers as input for sorting. Repeat the experiment 1000 times for each case to get the average percentage reduction in key comparisons. Case …

Hi, I'm new to C# and trying to develop this program that allows the user to draw freeform with the mouse on a panel. There are 2 groupboxes. One is called Color and it has 4 radio buttons: red, blue, green and black. The second is Size and has 3 …

I have two tables in my database, one customer and other cddetails.. n i`m trying to search both tables for letter entered by user.. The code for Customer table works fine...but the code for cddetails is giving me some problem... I would appreciate if some could help me out... Here …

if db.open = true then db.close End if I want some code like this where it will check in the form load and if the connection is open , and if it is open it will close it..

Dear Sir, Let me know how to connect a access database in Visual basic 6.

hi, Im running debian/ubuntu linux and am trying to get a script/module that runs each time python is called from terminal. I am trying to write scripts that use Scipy,numPy,pyLab, etc and am trying to have all those packages import automatically each time python starts. I am not new to …

Hi, I would like to query from you people if its possible to change back color either row wise or CELL wise in List box. Also I would like to know any other ways of listing record in forms other than in List box, Flex Grid and Data grid. Regards, …

Ok I am having an issue with a program. I am in C++ II but my issue is I have not taken C++ I in over a year so I am at a disadvantage...we are working on a program and this is the information we were given and this is …

Hi, I am downloading url using urllib2, the problem I am facing is some times server goes down and then read will take indefinite time. I dont want that, I want to raise a exception after 20 secs in this case. There is solution using signal.alarm but it works only …

can anyone suggest any tutorials for the vc++ resource editor? or can anyone tell me how to use it? i know how to design the forms but i dont know how to use it in my code any help would be appreciated :)

[CODE=vb]' Private Sub department() Dim dep As String dep = Trim(Adoaddlec.Recordset.Fields("department")) If (dep = "1") Then optict.Value = True ElseIf (dep = "2") Then optassessmentprogramme.Value = True ElseIf (dep = "3") Then optdbt.Value = True ElseIf (dep = "4") Then opttvet.Value = True ElseIf (dep = "5") Then optcarrerdev.Value = …

Friends, when i try to compile this program i am geting this error!! ListMemoryFree.cpp: In member function 'void example::add(LinkSlcMap*)': ListMemoryFree.cpp:41: error: 'm_link' was not declared in this scope but to me it seems fine.:) plz point out my mistake!! [CODE] #include <iostream> #include <list> using namespace std; struct LinkSlcMap { …

I have a parent class and two child classes that inherit from the parent class. The parent class has a protected pointer to something, and a method to access that pointer. [code=cpp] class parent{ public: int* accessPtr(){ return ptr; } protected: int* ptr; }; class child1 : public parent{ public: …

Hello everyone! I have a Huffman algorithm that is going along really smoothly and I've gotten to the part where I have store the paths to nodes in an array from a tree. This is what I have so far: [code] /*************************************************************** * huffTraverse * **************************************************************** * huffTraverse() reads in …

Hello there. I have successfully read my emails from outlook into access. The problem is that I am trying to get the sent date field but I can not figure out the command for it. Below you will find the commands I used to find the subject, body and sender. …

I have a problem with my program. When i try to compile it it says i need a ; can someone try to compile it and please help me? [CODE]//This program will represent a pizza public class Pizza { private double cost; //the cost of the pizze private String crust; …

enum Days { Sunday, Monday, Tuesday, Wednesday,Thursday, Friday, Saturday }; for( Days d = Sunday; d < Saturday; ++d ) cout << "d is: " << d << endl; C++ won't know how to increment d unless we define how that operator works for the type Days. Overload operator ++ …

I found this while googling for something [url]http://msdn.microsoft.com/en-us/library/ms177203(VS.80).aspx[/url] I tried it (with g++) and it seems to be a syntax error - is this like something specific to Visual Studio or something? Dave

Hi everybody. I am writing a program that calculates the amount of Carbon Dioxide produced in a year from waste by a few selected households and comparing how recycling can reduce the CO2 footprint. However, I believe the code is correct; I am just not getting the expected output. So, …

Hello Python gurus! I need to subclass the built-in type "int" and to add a method that resets the value to what it was when the class was first instantiated. here is what i want to achieve: a = my_int(4) print a ---> prints 4 (works ok) a += 5 …

Hi everybody Thanks again for your helps in my last thread. Now, I have some more problems. :( 50 Errors for this program. Certainly, a basic problem within the structure of class "Block". This assignment is all about "Class and objects". We can use functions, but no arrays. [code=cplusplus] #include …

Can someone help me with what I've done wrong with the character count function? it should be returning abcdefghijklmnopqrstuvwxyz ABVDEFGHIJKLMNOPQRSTUVWXYZ as 52 but it is coming back as 136088??? [code] #include <iostream> #include <cctype> using namespace std; const int STRINGSIZE = 100; void getString(char string[]); void reverseCase(char string[]); int numGraph(char …

[code=csharp] public struct MY_TYPE1 { public int A; public int B; } public class MY_TYPE2 { public int X; public int Y; public MY_TYPE1[] array2 = new MY_TYPE1[80]; } MY_TYPE2[] array1= new MY_TYPE2[800]; public void MtMethod() { [B] array1[0].array2[0].A=0;[/B] } [/code] When i try to use this code ,a null …

i have problem passing double pointer to my funciton first i declare: [icode]int m, n;[/icode] i read m and n from user just fine (i've checked that) then i declere: [icode]int farm[m][n];[/icode] and i have a function... [icode]void harvest(int **farm,...);[/icode] and when i call it with: [icode]harvest (farm,...);[/icode] it says …