Software Development Forum

Hi guys, trying to write a function that reads a text file and counts the periods in it and prints the answer. I keep getting an error saying that UnboundLocalError: local variable 'periods' referenced before assignment. I am not sure how to fix this. We must use a function to …

hi i have made a program to find average and standard deviation. n it read input from other. rest of things are fine plz guide me my output for Standard deiation sD comes NaN. i have searched alot bt couldnot find solution my code is [CODE]import java.io.*; import java.util.*; public …

Okay, so I have two arrays: [CODE]public int[] start = new int[21] { 0, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14 }; public int[] end = new int[21] { 0, 1, 1, 1, 1, 1, 1, 2, …

Hey guys. I'm having some trouble with this error. [CODE] class App(): i = 0 def updateCount(self): i = i +1 app = App() app.updateCount() input('Enter') [/CODE] I have tried global i but get an error 'global name i is not defined'. Can someone clue me in? Cheers :D

I'm new to python and I'm trying to count punctuation in a string input by user, and I"ve been able to do it w/ out a loop, but would like to emply a more efficiant method. I've been able to loop through and grabb the characters, but they are'nt being …

I have a program which consists of two windows (hWnd, and picturewind). I would like to write code which takes an action every time a person clicks inside of the second window (picturewind) but not when the person clicks in the first window (hWnd). Can anyone tell me how I …

I got the Jasypt 1.8 and i have jasypt-1.8 folder but how can i add this new libraries to my project org.jasypt doesnt appear so what i need to do?

alright well i have already posted in the python forum part, now this question is the same one as the one i did for college level computer science but this is for university. any way im pretty sure i have it but before when it was working it would say …

Hi all! The past couple times I posted they were all about 2D arrays.. and here I am again with them =( I cannot escape them! Anyway, the project I'm working on requires a Maze class that holds a 2D array and different types of robots that will find their …

[CODE] //Creating a variable for the connection called //"con" Connection con = DriverManager.getConnection("jdbc:mysql://IP_ADDRESS:3306/DATABASE_NAME", "USERNAME", "PASSWORD"); ... [/CODE] If I don't want at least the username and password to be shown in clear text... is there something I can do? Have them in a file thats encrypted or... I don't know.. …

Hi, I have drawn a human face using simple shapes such as big circle for the face, little circles for the eyes, lines for eyebrows and triangle for the nose. I have been asked to create a template for various expressions of the face (fear, happiness, disgust, etc). Once I'm …

Hi Everyone, It has been some time since I've posted here but I am truly having trouble seeing the forest for the trees so to speak. I have changed my code so many times I missed the time it worked because I want it to do more. Upon Exit btn …

Hi there! I would like a little help regarding the following code. The following code will wait for a non-blocking socket connection, and then wait to receive a certain packet. When the packet arrives, it will do something and then close connection and reinitialize it in order to be able …

I'd like to add (using the mathematical term) two Integer ArrayLists in Java, as well as divide them and multiply. How would I go about this algorithmically? I can't for the life of me think of something, perhaps having to do with two's complements. Okay, so let's say that I …

Hello guys, I need some help with a program that finds all the prime numbers from 2 to 10000,here is what I have so far [CODE] #include <iostream> using namespace std; bool prime(int n ); void main () { int n,b; b=0; for (n=2;n<=10000;n++) prime (n); if () { cout<<n<<endl; …

I need to access a file that isn't relative to the directory that the .jar file is in. I got lucky with another part of the program doing this, but I really don't know how. Thanks, Jack

Hello all, I'm trying to read an ant script through java and find where all its .java files and libraries are located. I've gone through the Apache ant API but couldn't find an appropriate method. So far all I could come up was the below code, it gives the properties …

ok well this is my first thread that im asking 2 questions, im new here, these are from my high school college computer science class, one is newer and one is older, i went back to the older one because I still want to finish it and try and extend …

Is it possible to create a dynamic-sized array of structures within a structure? To provide some info, I want to read some student info off an input file, which includes some miscellaneous information, subject codes and corresponding marks. The number of subjects taken is also provided as a number in …

I am writing a recursive function to return an integer after converting a string. I am very close. This was already quite the brain teaser, and recursion is not my cup of tea. Perhaps somebody can help with this small little problem I am having. The last thing I need …

please install this C++ software and according to image i am getting few errors will some one help me solve this problem ? software link : http://www.ziddu.com/download/17082595/turboc.zip.html image link : http://www.ziddu.com/download/17082611/untitled.JPG.html thank you ....................

I'm writing an alphabet cipher that ciphers at random. It looks like it should work when I'm debugging it but when I look at the cipher key it comes out with duplicate letters like some of them weren't switched during the for loop. Any help is much appreciated. WasSwapped is …

I am new to VB. I use Visual Studio 2010. I got most of my rental program to work, but I am having trouble with the easy part. The First Name and Last Name are supposed to combine to the FullName. I know I have to use the assigning textbox …

I am developing an application in which I have two JPanels (aPanel and bPanel) added to a parent JPanel (cPanel). I need to be able to double click on either aPanel or bPanel to change its color. If I double click on aPanel, it changes color as desired. When I …

Hi Guys, I am almost done with my program, until this problem arises and I can't solve. I have two forms. First form has 1 listbox and 2 buttons. Second form has 1 datagridview and 1 button. The first form opens the csv and list the location+filename of the CSV …

Can u help me guys. I have problem of calling function from class and overloading. When I'm trying to print short int type number, the program brakes down. No errors are shown which tell me whats wrong. [CODE]#include <cstdlib> #include <iostream> using namespace std; int i=0, j=0, zero_fill, l=0; class …

Grade2 Class.... [CODE]public class Grade2 { public Grade2(double input) { Grade = input; } public String getLetterGrade() { if(Grade==(4.0)) message="A+"; else if(Grade>=(3.85)&&Grade<=(3.99)) message="A"; else if(Grade>=(3.7)&&Grade<=(3.8499999)) message="A-"; else if(Grade>=(3.01)&&Grade<=(3.3)) message="B+"; else if(Grade>=(2.85)&&Grade<=(3.00)) message="B"; else if(Grade>=(2.7)&&Grade<=(2.8499)) message="B-"; else if(Grade>=(2.01)&&Grade<=(2.3)) message="C+"; else if(Grade>=(1.85)&&Grade<=(2.00)) message="C"; else if(Grade>=(1.7)&&Grade<=(1.849999)) message="C-"; else if(Grade>=(1.01)&&Grade<=(1.3)) message="D+"; else if(Grade>=(0.85)&&Grade<=(1.00)) message="D"; …

I have a problem with case sensitive input my options are s and b and how to make a program when I input capital B or S to continue? [CODE] // options for selling and buying stocks System.out.println("\n"); System.out.println("Options as single upper or lower case character : "); System.out.println("\tB to …

Hey guys, I've seen very limited examples out there about this unsupported function, however I am sure there must be a quick method to get this done with the Affine Transform ? Any ideas appreciated. Cleo

This is my first post on daniweb :) and i am a beginner in C programming and i don't know so good english :) sorry! This is my program My problem consist of I run the program and i can't get to the [B]scanf("%c",&q);[/B] [I]/* Row 21 after printf. */[/I], …

Hello Members, Would anyone please take a look at my attached excel files which is a commodity exchange's end of the day data file. This is a free copy which anyone can download from their websites. Those are ([url]www.mcxindia.com[/url]) & ([url]www.ncdex.com[/url]). Now my query is in those two files there …

I have been doing java for almost 3 years now, am just starting to learn Objective-C as of this past June. Been writing a few programs on my own and writing programs for the exercises in 2 very cool Cocoa/objective-c books. My question is how do I, coming from Java, …

Hi all, Im new to java, and im working with j lists importing data from sql server. Thing is that i can import the data from the sql tables, but for some reason it does not refresh properly. Thing is that when the frame is opened the list is filled …

Hey guys, I've drawn a grid, and I have a label contatining a picture. Whenever I change the location of this label, the grid dissapears until I resize/move the frame. Any suggestions on best method to buffer these grid lines? They aren't going to be moving graphics or anything like …

Need help getting my add, save, search, modify, delete buttons to work I can get them to show up in the GUI but pressing them does nothing. I need the save button to save file to index.dat in folder c:\\data\ folder and create that folder if it doesn't exist [CODE]import …

Hi all, The project I am currently working on is an Address Book which works off a csv (specification takes the mick as a database would be so much easier), the method to write the lines of information into the CSV is in the class DataLayer and takes a String: …

Hello guys, I'm trying to make it so that the user can opt to change student's course code or credit points (they can choose to change neither, either or both) in case 5 of my main switch statement. The problem is, the loop doesn't end after you choose to do …

Hi, I'm stucked with a problem, hope somebody can help me. The problem is that i have a string with webpage source and i need to retrieve all the text instances between <pre> and </pre> tags, i already know how to retrive the first ocurrence using: [CODE] dim start as …

Hi Guys, How's your day? I would like to ask, since I'm a beginner in vb .net, I can't figure this out. Here's the scenario: I have a folder with lots of folders inside and inside those folders are .tif files. I want to create a program that will rename …

Ok pretty simple: How to make internal speaker beep on Linux. For personal use does not need to be portable. I know I have an internal speaker... BIOS loves that thing...

Hey forum, our professor assigned us a program we have to write in assembly language and I would love to have help on it. [QUOTE]Write an upper-to-lower case and lower-to-upper case conversion program. When the user inputs a letter, your program should convert it to upper case if it is …

I figured this would be easy but ultimately I can't seem to get past the " " in a char array. i.e. [CODE] const int ARRAY_SIZE = 80; char charArray[ARRAY_SIZE]; cout << "input a sentence"; cin >> charArray; [/CODE] "This is a test string" returns only "This" as the space …

Hi, I am using WinSock library for sending data over network, and I have a problem. I know how to send data in one struct and receive it on the other side, because there is constant size of structure. But what if I have more structures, each one with different …

Hey guys, I'm drawing a grid using the nested for loop with draw line method. Any tips on getting this in the center of my screen? I am currently using the getWidth and getHeight methods of my center panel but it is still drawing in the top left corner. It's …

[CODE]public static void main(String [] args){ ArrayList<String> list1 = new ArrayList<String>(); list1.add("ABC"); list1.add("123"); ArrayList<String> list2 = method(list1); list2.add("ABC"); list1.add("123"); System.out.println(list1); System.out.println(list2); } private static ArrayList<String> method(ArrayList<String> list) { ArrayList<String> result = list; result.remove("123"); return result; }[/CODE] Could anyone explain this code to me? why it gives me the same result …

Stupid question deleted.

I have a bunch of floats and I need to convert them to string to use Send command to send to a Receiver. However, I been trying to code like below where long1deg is a float. [ICODE] char long1degC = long1deg; [/ICODE] Or [ICODE] char* long1degC = new char[30]; float …

hi. I'm trying to make a simple c# program using sqlserver. when i try to save something into database, it gives this error. here's the code. that 15(age value) is the default value on my numericupdown [CODE]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; …

Hey guys! I've been working on two projects, one needs to have multiple forms, but when I open one form, it needs to close the sender. But, when I try it, the program exits! I don't want it, I just want to close the form, not the app. I tried …

I dont know wats wrong with my code but what am trying to do is for salary its an addition of DA and HRA. Here is my code.[CODE]#include <iostream.h> class teacher{ private: char name[20]; char subject[10]; float DA , HRA ; float salary; public: void getdata(); void display(); int payrol(); …