Software Development Forum

I am working through Accelerated C++ and am on exercise 3-5. The question is:[QUOTE]Write a program that will keep track of grades for several students at once. The program could keep two vectors in sync: The first should hold the student's names, and the second the final grades that can …

Hi, My java is really bad and I haven't had to use it in a few years but I want to make it better so I've decided to try building it up slowly but at the moment I'm a little stuck and was wondering if anyone could help point me …

Hi, i'm supposed to write a function, countGrade that takes in the Grade and find the number of students that have this grade. This value is returned to the calling program. The function prototype is int countGrade(char). Currently all i have written is this. Seem like there's something wrong with …

Hello everyone, I am having trouble finishing my program. I am having the most trouble with the method, as described in my book, parseInt(char[]). I can't figure out what to do, I don't know how to properly write the method for this. I will include the entire program description for …

Does anyone know the event that causes the carriage return animation to play? I would like to have the carriage return animation to play after clicking in a box.. that is not a textfield. Essentially.. I am attempting to create a custom text field. (In case you do not already …

what is the difference between instance variable and methods and their counterparts,clas variable and methods? i understood that instance is other name for object but what i have undersood till know is that method is somewhat like function (but i could not understand the explaination given for this question in …

[CODE]def nod(n): c,i=0,0 while n>0: c=n%10 if c!=0: i=i+1 n=n//10 print(i)#prints the number of digits in the given integer 'n' [/CODE] how to make it able to count 'zeros'?

Hi guys, need some help with this. I googl'ed but found no solution. :icon_sad: [CODE=cpp] #include <iostream> #include <ctime> #include <cstdlib> using namespace std; void createRationalNo (int, int); int RationalInfo (int []); //void printArray (int [], int); const int MAX = 20; const int setArray = 5; int initialArray [setArray][MAX]; …

When I execute the following sql,select id from people, inside python and print the result, I get this: ((11L,), (12L,), (13L,), (14L,), (15L,), (16L,), (17L,), (18L,), (19L,), (20L,)) Why does python print L beside the numbers. Just to indicate Long type?

Hello guyz, Recently I am making a system monitoring tool. For that I need a class to monitor print job. Such as when a print started, is it successful or not, how many pages. I know that I can do it using winspool.drv. But dont how. I've searched extensively but …

TURBO C ++ HELP! INTERATIVE STATEMENT Im a beginner so please help me. USING FOR LOOP: write a program that will display the following pattern, given the value of n. example: of n=4 output: 1234 123 12 1

I am working on an application and would like to be able to calculate the efficiency of various algorithms and choose the best one. The application operates on a list of records that are stored in a file. Operations include adding records, deleting records, and searching for records based on …

Hello, I'm working on an assignment due next week and I'm having quite a bit of trouble. The program is to ask the user for input of a double until they desire to stop. That part, I imagine will be in the Test file. The master file is to store …

Hi, please i need your help, i had error while i tried to insert into my data base, here is my code: [CODE]Try 'preparer les requetes Dim sqlQRY1 As String = "INSERT INTO AUDIO Values ('" + nomAudio + "')" Dim sqlQRY2 As String = "INSERT INTO IMAGE(Nom_Img) Values ('" …

I'm in the process of coding my own OS and right now I'm working on a stdio lib but was just wondering about fputs and how it should write to the screen, which would be a better approach? Making stdout a file descriptor and having puts call fputs with the …

I have been using textpad and Java for 3 months without trouble. We just got a new computer 64 bit Windows 7. I have downloaded Java and Textpad on the new computer but when I go to external tools to compile, the compile and run tools are missing. I have …

Hi! Sorry for my bad english. How is made that toolbar on this site always stays on the botom of the page. (So, when we log in, on this site will appears toolbar. When we scroll down, this toolbar stay, it doesn't move anywhere, it stay on the bottom.)

Hi! I need to make multi-user software that will allow accessing a DB from different PCs and working with this DB. Could someone pliz just generally (conceptually, but in step-wise manner) describe me how this task can be implemented? Maybe, there are some good tutorials or free examples on this …

Hey guys, thanks a lot for the help. Here's the code I have for going through each file in a directory I specify: [CODE] for root, dirs, files in os.walk('%s'%(DOSEnvironVar)): for this_file in files: if this_file.find('.csv')>-1: filepath = os.path.join(root, this_file) currentfile=open(filepath,'r') filelines = currentfile.readlines() [/CODE] I would like to add …

Hello everyone! i need a bit of help... can you convert my picture drag and drop code so it drag and drops audio files? (.wav) My code: Public Class Form1 Inherits System.Windows.Forms.Form #Region " Windows Form Designer generated code " Public Sub New() MyBase.New() InitializeComponent() End Sub Protected Overloads Overrides …

Hello, Can anyone tell me how do we validate date entered in a text box? I went to check whether the entered date in the text box is of correct date format. Please help me out!!

Hi, I need some help from u again..... if we type: Enter Input : eee ddd cccc the result should be like this : sorting : ddd eee cccc but actual result is like this : sorting : eee eee cccc I don't know why... Can u help me ?? …

My instructor wants us to create a program that relates to some event we have recently gone through and I need help to get the rest of the code to work. Scenario I passed by the instructor is : I just got a car which my grandfather paid in advance …

can anyone teach me how to set the size of console window?

I think I'm having trouble with using parameters correctly in the JUnit assert in my Test method. My assertion fails even though I'm pretty sure my logic checks out. How do I construct the correct test with assert? Any pointers appreciated :) [CODE]public String season(int month, boolean inNorthernHemisphere) { // …

Ok, so I'm writing a program to convert decimal into binary. It all works with the exception that my binary shows up in reverse order and I'm having trouble with reversing the array of chars in my intToBinaryString() function. Any tips on how to get this started? [CODE]#include<iostream> #include<cstring> using …

Hello. im a student working in C++ and im fairly new to both C++ and i guess this community.(i was reccomended to come here if i had problems) im just doing some simple exercises or s it seemed. here is the question. Write a C++ program with a case structure. …

hi ive developed a code to sort 3 numbers and pick out the middle one. the numbers are distinct. #include<iostream> using namespace std; int main( ) { int X, Y, Z; cout<<"please 1st number "; cin>>X; cout<<"please 2nd number "; cin>>Y; cout<<"please 3rd number "; cin>>Z; if (Z>X>Y) (Y>X>Z) cout<<"this …

Hey there everyone, I'm working in windows, writing a python program which runs various programs through command line and pipes the outputs of one into the next program. All the programs accept all instructions in one line then run. I've been using the os.system command to run these. One program …

So I created this nice PushButton that has a popmenu. Unlike QToolButton, it does not allow me to hide()/show() the button which I find frustrating. I want to be able to hide/destroy this button while the application is in a certain mode and then show/create it in another. How do …

[CODE] #include <stdio.h> #include <unistd.h> int main() { while(1) { fprintf(stdout,"hello-out"); fprintf(stderr,"hello-err"); sleep(1); } return 0; } [/CODE] why is that i am getting heelo-err instead of hello-out

In C++ the ternary operator below will return 1. [CODE] true ? 0 : 1 [/CODE] In C# it will return 0. If the following is written in C++ [CODE] int x = ((a < b) ? 1 : ((a > b) ? -1 : 0)); [/CODE] what the heck …

I cant get this program to work I can get it to read in the file and enter the winning numbers but it just ends after it. the program is supposed to take in a file (input.txt) and make it into a list of structs with peoples names and lotto …

I am planning to develop a graphical project for my final year..Which tech should i choose? Microsoft Silverlight,Macromedia flash,Macromedia Shockwave,ajax etc, which of these is simple,scalable and platform independent?which combination of frontend and backend will be the best?

First of all, forgive my lack of knowledge, I am fairly new to programming but I have a high level of interest in the subject. We were working on a bit of code in class yesterday and we even stumped our teacher, who then took most of the class trying …

Hello friends, I have a small problem, I need to check if the database connection is still open. Here is my code... [CODE=csharp] try { // new connection // connection open // other code // close the connection } catch (Exception ex) { // handling exception } finally { // …

Does anyone know how one would go about creating a "custom" file type? (Such as Macromedia Flash's .swf.. or quicktime's .mov) Also.. once I have created a custom file type... how would I make sure that my file is always associated with a given icon (that I will create).. and …

Im a beginner level programmer in C and want to know how can I use malloc or calloc functions for dynamic memory allocation without typecasting...?

Hello Everyone , I'am new to OOP and QT and i'm trying to write a simple chat program (client , server) with winsockets. I Have an error which i don't seem to understand : this is my code so far : [CODE] #include "pmessenger.h" #include "ui_pmessenger.h" #include <QMessageBox> #include <winsock2.h> …

HI All, My name is s0ur and I am not a programmer. Isn't that the first step to recovery? I am hoping that the experts can help a noob. I am trying to write a python script that will run on windows login. it should do the following: 1) ping …

Hi there, I'm new to the forum so please be kind :) I've created a class called node that has a standard constructor and an overload that uses an int as an argument. [code=c]class node { public: node(void); node(int inputs); ... };[/code] I can create an dynamic array of nodes …

Is it possible to check which version of Excel a user's computer will open while in a VB6 application? Some users will be using Excel 2003 and some will be using Excel 2007 and, in theory, a single command button will open one of two excel sheets based on which …

I have a problem with understanding a deserialization code....Can anyone help with this one: public clsSerial DeserializeFriend() //[U][B]why clsSerial is done here ??[/B][/U] { clsSerial temp = new clsSerial(); try { BinaryFormatter format = new BinaryFormatter(); FileStream myStream = new FileStream(“Test.bin”, FileMode.Open); temp = (clsSerial)format.Deserialize(myStream);// [B][U]and why (clsSerial)is added here[/U][/B] …

Through my knowledge, I know that by declaring a variable as 'const', its stored in read only memory and at the same time I found that a const variable's value can be changed using pointers. How is it possible?

I realize that there are plenty of tutorials on how to create a "Custom Win32 Title Bar." The problem is.. none of the tutorials I have found so far.. discusses how a person would be able to "drag" the replaced title bar.. as one would drag the "normal" title bar. …

hey folks, i have a problem which seems to be reasonably simple but i havnt managed to figure it out yet. Iv read alot of the other threads on this but i still havnt found one that iv both understood and solved my problem. So here goes... Its concerning returning …

I have a design question which I have not been able to find a satisfactory answer for by searching. Essentially, I have a class - Base - that contains a vector of pointers to another class - Node. However, I would like to be able extend both the Base and …

Guys, could someone help me to make a program that will display this not using if-else statement. I want to learn how to make it using for loop statement and any statement that will make this program short. I need 1 Program using for loop and another program but not …

hi everyone I want to develop a web browser.....can anyone suggest me how to develop it in java ...

I was reading an SCJP book by Khalid Mughal and I came across a statement [QUOTE]Enum constants are static members[/QUOTE] and another [QUOTE]Enum constant is an instance of its enum type[/QUOTE]. I am unable to reconcile the 2 statements. Are the constants static members or are they instances ? (Instances …