Software Development Forum

The standard deviation of a list of numbers is a measure of how much the numbers deviate from the average. If the standard deviation is small, the numbers are clustered close to the average. If the standard deviation is large, the numbers are scattered far from the average. The standard …

Hello, I'm working on a small web app in C#, I have made the database and created a gridview to display and edit the data. I just want to know how can I turn a textbox field (in the update view) to textarea so I can see the whole text …

Hi All! I've got a weird problem here...It doesn't want to add my int values to a char array even though I static_cast the value to char. If you could just look at my code please! [CODE]void AltBoolean::print(){ perma = new char[arraySize]; int temp; int counter = 1; for(int i …

I have a server to which clients are connected using TCP connection. All the clients broadcast to each other using UDP braodcasting.I want to disconnect one of the client from the UDP connections from server. what can be the possible ways to do this? please suggest.

What is the equivalent of the "setw" stream manipulator for C++ in Java? I've been messing with the java.util.formatter class, but haven't figured this out yet? [url]http://www.cplusplus.com/reference/iostream/manipulators/setw/[/url]

I actually want to ask two things, first, how do I set Textbox1 to get focus so that the user will not have to click the textbox if he wants to write something, the .focus() method does not work also, how do I highlight texts inside a textbox programmatically. I …

Hi, I am suppose to create a code that takes the values between 1-1000 and produces the hailstone sequence for them, then it prints out the initial value that produced the longest sequence along with the sequence's length. I have tried to use an array but it didn't seem to …

I need some help setting the maximum size on a picture box. I thought the syntax for setting size was picturebox.MaximumSize = (Width,Height) but doesnt seem to work. Did syntax change from VB6? Thanks in advance

Guys can anyone tell me how to change fontsize of my listbox programmatically? This code does not work listbox1.font.size = 10 or listbox1.font.size = new size 10 What is the right code?

I need to write censor program that 1-reads in the text from a file 2-creates a new file where all the four-letter words have been replaced by “****”. can you help? this what I have so far [CODE]import string def main(): filename = raw_input("File: ") text = open(filename,'r').read() text = …

I'm a beginner at python programming and now I want to try to write a function consisting of my already written programs. The goal is to get all probabilities when I'm calling on the function in the main program. My already separately written programs looks something likes this and the …

how to get 10 th record from record set using SQL server? there are a lot of code in the internet that can get first 10 results using "TOP" keyword in sql. but i want to get 10th row valus. I'm using VB 2008. please help me.... Regards Pra$ad.

hi all!! i wanted to know the name of book which covers all the basic syntax and concepts of java keeping in mind that i have the basics of c++.

Hi everyone, I am trying to change hundreds of data files using sed command. Text file1 have 10 lines which look like the following [QUOTE]{ x=34280; y...} { x=34281; y...} { x=34282; y...} { x=34283; y...} { x=34284; y...} { x=34285; y...} { x=34286; y...} { x=34287; y...} { x=34288; …

Hello, I have made a store inventory system in console in C++. I would like to know how can i convert it into full fledged graphical user interface. Any article,book,tutorial,video would be very helpful Thank you.

This Code allows you too countdown seconds and minutes but im not sure how to add hours or maybe even days to it:( =========================================================================================== [CODE]Imports System.Threading.Thread Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If InStr(timetowait.Text, ":") Then Dim time() As String time …

Hi guys, first off just wanted to say that this website has been immensely helpful to me for my programming class. I asked a question to help with a lab a couple of weeks ago and was able to figure out the issue with the forums help, so thank you. …

hello. i have a problem in selecting destination and time. when i select any number in destination the program always tell me that i choose number 1 (taiping). and the time it always show 1030 even i input number that is not 1. please tell me where i'm wrong here. …

Hey, I'm on the rookie side, to Python, and Pygame and new to this community, and I'm confused if this could be possible; I want to change the data type of a list, in Python, from strings to integer (they have to be integer, because I need to sort them …

Hi!, I have a text file that contains a 2 dimensional matrix, and I will have to deal with many different files with different matrix dimensions, so I decided to use vector of vectors as they double their size automatically. the problem is that I don't know how to get …

public class thermostst{ private float currenttemp(); } I thought in java only abstract classes can contain abstract methods like this! I got this from a algorithms and data structures book and im guessing its a printing mistake and currenttemp should not contain the () . Thank You

So both classes are in the folder. How am I able to call variables in one class from another another class. For example, I ahve 2 classes, Class1, and Class2. So in Class1, I have "double a" and its value. How can i refer to this "double a" and its …

don't go by the size of code. [U]before inserting search function my code was working fine with insert function. but don't know what is wrong with search fn. or declaration of variables in main().[/U] [B]this is what compiler shows. tree.cpp:316:15: error: cannot convert ‘int*’ to ‘redblacktree<int>*’ in assignment tree.cpp:318:15: error: …

Hi, this is what i'm trying to do [icode] class a { private: string attribute; string p_msg; public: string& getAttribute() { return attribute; } }; [/icode] above is the class, i want to call function getAttribute() from class a is a linked list: list<a*> aa [icode] void sortFile(Manager& manage, const …

Can the value of vertical scrollbar attached to Msflexgrid be made to maximum through vb code. thanks & regards

I need to copy multiple sheets into the template accordingly. well, i manage to copy for the first sheet only. i've tried to modify the code to copy multiple sheets at one time and i couldnt get it right. here's the code for copying the first sheet into the template. …

Hi All, I am having a bit of an issue moving back into Java. The issue that I am having is that I am trying to call a method of a custom class that has been instantiated in my main java file from a form that is also in an …

I need some help. I'm trying to create a number pad like a cellphone that captures user input by pressing buttons in a panel on the left and displaying what the user punches in the top panel. Then I have a clear button in the panel on the right to …

I do not under stand how to get NODE to work. Worked fine with typedef struct but when I changed to template stopped working??? [CODE]template<typename T> struct Node { struct Node(T data) { this->data = data; previous = NULL; next = NULL; } T data; struct Node *previous; struct Node …

Hi, i would like to know to retrieve out the date and time from my database to show on the wcf test client and for eg, after choosing a certain date, how to do the coding in order for the events to show that's happening on the date i choose …

My Struct was looping and working well, Till i Added in a New Struct and add that to the Loop, Now its not Working that well plus not outputting the Details only the hours. could some one help me with this.. [CODE] struct Trains { int Train_Id; //train ID string …

Hey guys, I am having trouble in writing this code. I don't know where to start other than the beginning basic things. I just need to know how to start this thing because I know it is a loop, but loops are my weakest things as of right now. Here …

So basically, I'm making a Windows Form Application CLR which calculates a worker's wage. Problem is, when I select the schedule (day,night,afternoon,mixed), I use a button for each schedule respectively, which, upon click, calculates everything on the data you've input. While this is effective, I am being asked to use …

Hi, there is that thing that i need to handle atoi () function error.. Now for explanation atoi ( some const char * which is int (like '1') ) gives me that int, but if i write like this atoi ( 'n' ) then shit happens and it return's a …

hey im trying to create a program where the user will type in a number then choose the units its in and units it will be converted to from 2 comboboxes. The output should be changing as different units are clicked without a button.Please tell me how to fix my …

Hi, I am NOW doing a short application that installs a program, without the program being embedded into the application. I have found myself at a loss for code, now that I cannont figure out how I can COPY the entire contents of a folder to a new folder, WITHOUT …

[CODE]#include <iostream> // required to perform C++ stream I/O #include <iomanip> // required for parameterized stream manipulators using namespace std; // for accessing C++ Standard Library members // function main begins program execution int main(){ double wage = 0, raise = 0, raiseMoney = 0; int years = 0; // …

Hi ~ Before posting my code, can someone tell me if it is possible to do a dual sort on an array of chars and an array of int, double or float? Would you have to use two separate sorts? Really confused here. I am trying to sort an array …

hey guys lol i spent 5 hrs thinking about building this asterick pattern and i am still getting troubled by the spacing for the 3rd pattern , anyone can help me to reduce 1 spacing so the 3rd pattern isn't out of place?XD [CODE]#include <stdio.h> int main() { int c,c_2,c_3,c_4,c_5,c_6,c_7,c_8; …

Does anyone know how I can base my re condition based on it not finding a match. I have the following at the moment ..... [CODE]if re.search(r'123', os.uname()[1]):[/CODE]

Hello everyone. I'm trying to code the cd shell command in c. I used chdir function to code it but the problem is that when I execute the program on the terminal it doesn't change the directory. I kept a series printfs and conditions to test if it changes, though …

So I was running a simple python program in IDLE, and I got this subprocess error. I looked it up on Google, and found much information about it. None of it really got me anywhere. I think the error has to do with AVG blocking IP 127.0.0.1. (I am using …

Hello all, I am a beginning python user and I am a bit perplexed by something that I am writing up. What I have to do is assign buttons to colors (Traffic lightesque). There is a red, a green and an auto. The tricky part is that the "auto" button …

[CODE] Film[] callFilms = new Film[100]; static int numberFilm = 0; [/CODE] [CODE] //Search Film Method public static void searchFilm(Film[] callFilms){ Scanner scan = new Scanner(System.in); int condition = JOptionPane.YES_OPTION; boolean check = true; do{ System.out.println(); System.out.println("Search Films"); System.out.println("============"); System.out.print("Please Key-in Item Code: "); String code = scan.nextLine(); for(int i …

Hi,I spent all night trying to figure this out. Could someone take a look and show me what I'm missing? I getting this compiler error: [B]unterminated #ifndef [/B]. But I have [B]ifndef[/B] at the beginning and [B]endif[/B] at the end of the class. [CODE]//Header file. //Class definition for teh stack …

Dear all, When printing a grid, for example a chess board, I was hoping it wouldn't have the same output as the console. When I want the position to be grid[x][y] = 5, 5, it will place the counter in the bottom right corner in a 5x5 grid, (5,1) instead …

What is the equivalent of tan-1(theta) [inverse tangent] in Java?

Hi I want to make an abstract method. But I always get the error " cannot declare a body because it is marked abstract." When I delete the return then I get the error than I need a return. can someone help me please [CODE] public abstract Graphics drawRectangle(Graphics drawarea) …

Hi all, I'd appreciate if somebody could shed some light on the following; I have a tabbed container, each tab has the same controls but for a different target. I am using a timer to control when to fire each event from the 5 different tabbed controls, my problem is …

Hi folks, (Python 2.4.x - I cannot install any modules including dateutil) Here's what I have so far. [code] mydate=['20111025.00', '20111026.12'] start_time= time.strptime(mydate[0], "%Y%m%d.%H")[:5] end_time=time.strptime(mydate[1], "%Y%m%d.%H")[:5] for myhour in datespan(time.strptime(mydate[0], "%Y%m%d.%H")[:4], time.strptime(mydate[1], "%Y%m%d.%H")[:4], delta=datetime.timedelta(hours=1)): print myhour [/code] What I'm trying to do is take the two values in mydate list …