Software Development Forum

Hi, I'm trying to use JAVA GUI for first time. I've got a Jframe that when loaded adds a jpanel. the problem is it will not show any swing controls that get added to the jPanel. I'm using netbeans 6.9.1. any idea to why is happerning would be greatful [CODE] …

Hi, I want to know how to use Python variables in My sql statement and below is the syntax i am using import MySQLdb name="XYZ" number="123456" db=MySQLdb.Connect("localhost","root","12345","phone") cursor=db.cursor() sql= ("""INSERT INTO phonebook(number, Mobile) VALUES(%s,%s)""" , name,number) cursor.execute(sql) db.commit() db.close() but this throws the error please refer the attached screen shot …

hi guys!! i'm just new in programing and i had a problem in c++ my prof give me a task... i need to make a program that looks like a casher system or restaurant system... i don't know howto start it..... so please HELP me!!!!! :((

I would like to sort an array of objects by their distance. The problem is that the distance value is a floating point and IComparer only will accept an integer as a return value. [CODE] class SortDistanceAscending : IComparer<ObjectDistance> { static IComparer<ObjectDistance> comparer = new SortDistanceAscending(); public int Compare(ObjectDistance a, …

Read and Write Image in Python 3.1 ? No lib Thank you so much.

Im supposed to sort a file in decending order using bubble sort into an array. My code does all of that but it repeats the sorted array 50 times instead of just listing it once. This is a C ++ file on Dev. Thanks for your help, it's due midnight …

All right this is easy and for some reason im having trouble. Im workng on a Pig Latin program but right now all I want help with is getting an entire sentence to print out. I first tried to do this [PHP]char pig_latin() { char sentence[100]; printf("Enter a sentence\n"); scanf("%s", …

Hi there, at university i have to program OO-style in Python. What i got now is a "Point"-class and a "Triangle"-class. The "Triangle"-class has a method [ICODE]a()[/ICODE] that needs to return the length of the AB-edge, but it doesn't instead it concatenates the Point.__str__() methods return values together, which is …

it keeps looping over and over again no matter what i put in [CODE]def getScores(totalScores, number): score = input('Enter their score: ') while score <=0 or score >=100: print'You must enter a number between 0 and 100' score = input('Enter a number between 0 and 100:') for counter in range(0, …

Hello Friends I have This important question about implementing double link list I have done it but it dosenot work , please try to find what is wrong.. Thank you but I need this work queckly... [COLOR="red"]CLASS LINK LIST:-[/COLOR] [ICODE]public class LinkList { [I][/I] public class LinkedList<T> { private DoubleLinkList<T> …

Hi, Me again. Now the requirement is slightly changed now. Requiremetn: When I enter a employee id in a text box and click "Show calender", the code will run a query to fetch Allocation date and release date of the employee for a project and the dates between Allocation date …

after my program finishes i get this message and dont why, can anyone explain *** glibc detected *** ./tryp: double free or corruption (top): 0x089b8008 *** ======= Backtrace: ========= /lib/tls/i686/cmov/libc.so.6(+0x6b591)[0xb7729591] /lib/tls/i686/cmov/libc.so.6(+0x6cde8)[0xb772ade8] /lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0xb772decd] /lib/tls/i686/cmov/libc.so.6(fclose+0x14a)[0xb7719aaa] ./tryp[0x804875c] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xb76d4bd6] ./tryp[0x8048521] ======= Memory map: ======== 08048000-08049000 r-xp 00000000 07:00 1725249 /home/k/cprog/tryp 08049000-0804a000 r--p 00000000 07:00 …

Hey, im trying to get some information out of my database, which i have tableadapter and dataset. Both created with the VS2010. I have made 4 queries in the tableadapter taking different parameters, to make a WHERE clause in the sql sentence. But it simply doesnt work and i dont …

guys good day!! i need ure help with this problem. we are going to make a program. 1. Store first memory location og program into base register (for memory protection). 2. Set program counter (it keeps track of memory space used by the program) equal to address of first memory …

A magic square is an N by N array of integers. The sum of the values of each row, each column, and the main diagonals are equal. Write a program that reads the size of a square, then each row, and verifies if the square is a magic square using …

I have two classes.CyberLibraray and CyberBook These are the requirements: Design a CyberLibrary class which houses CyberBooks. Because of local laws, the CyberLibrary class has a limitation: the maximum number of books is 200. The CyberLibrary has the following constructors: Constructor #1: the default - Creates a CyberLibrary with the …

Hi I have this form which works well when it is in list box. but when I change the list box to combo box, the form does not works and I will be stuck at "record does not exist" even though i choose the record from the combo box. this …

Hi, I have a requirement that when a user click on a record in the datagrid (the record holds Emp_id and his/her project allocation date and release date), then the dates from allocation date to release date in monthview should display bold. I have written the code but i dont …

hey guys, i was wondering if you could help me with my problem! i made a program that uses 3 arguments as inline commands: argv[0] is the name of the program) argv [1] is the name of the first file argv[2] is the name of the second file The purpose …

hi i have a class with a member which is a pointer to an object on the heap. (the object is created from outside the class and is passed to it as a reference in the constructor). when i try to access it from void functions, everything is ok. but …

Hello. I have search my app for all classes to implement java.io.Serializable. I think that the needed classes are covered.I create and serialize JInternalFrames. When I re-open a JInternalFrame some of the JMenuItems do not do thier job. Also when I right click the Tabs on the JTabbedPane to bring …

Is there a way to write a perl subroutine that can read in a file that contains 2 strings on each line and then can create a has with the first string as key and second string as value without using the use the Tie::File::AsHash module ?

can someone explain me what is the meaning of the number after the modulo (%) EX. printf("the number is: %10.2f", number); please help me define and understand the number after the % and give example, thanks!

i get this error when i get to a certain part in the program Traceback (most recent call last): File "C:/Users/Family/Desktop/13.py", line 54, in <module> main() File "C:/Users/Family/Desktop/13.py", line 10, in main averageScores = getAverage(totalScores, averageScores, number) File "C:/Users/Family/Desktop/13.py", line 46, in getAverage averageScores = totalScores / number TypeError: unsupported …

hi all, can anyone tell me hoe to open a file from one machine, when the file is present on a remote machine, specifying it's IP address?

I am having a problem get my program to compile. [B]ERROR[/B] Stopwatch.java:35: cannot find symbol symbol : method start() location: class Timer timer.start(); ^ Stopwatch.java:44: cannot find symbol symbol : method stop() location: class Timer timer.stop(); ^ Stopwatch.java:52: cannot find symbol symbol : constructor Timer(int,Stopwatch) location: class Timer timer = …

Please dont tell me to "google" it obviously I'v tried everything and this is my last resort. k thanks :) ok so I have to set a value to be restricted in the constructor ___________ Modify the constructor and set methods of the Shape class to verify the values of …

This may seems noobish but 3 questions I absolutely cannot figure out. I'm not sure how relevant it is but I'm using Microsoft Visual C# 2010 Express. 1) How do I have a button, within a form, load another form within the same program. 2) How do you do the …

Hi! I'm new around here and I'm not quite sure how this works, but the main reason I subscribe to this web page is because I'm looking for someone who can write a program for me. I've done a little bit of it, probably 10% or less but I need …

I'm just wondering if someone could point me to some sources on linked lists. I'm trying to make it so the user inputs how many they want to add to the list and the list will stop after that amount. I'm just looking for some examples on it to help …

Hi.. I want export data from database to a PDF using c#.In database I stored the data as 'nvarchar'.Any body have any idea About this? Thanks in advance.

[CODE]public void takeGuess () throws IOException { temp=" "; Hangman obj = new Hangman(); System.out.println ("Enter a character or type in 'hint' for a hint!"); DataInputStream input=new DataInputStream(System.in); temp= input.readLine(); if (temp.length()==1) { guess=temp.charAt(0); if ((guess >= 'a' && guess <='z') || (guess >='A' && guess <='Z')) {System.out.println();} else {System.out.println …

The question asks: Enhance the [I]addInterest[/I] method of the [I]SavingsAccount[/I] class to compute the interest on the minimum balance since the last call to [I]addInterest[/I]. [I]Hint[/I]: You need to modify the withdraw method as well, and you need to add an instance variable to remember the minimum balance. (Oh, and …

Here's what I got so far. I am trying to add the two fractions together while following the UML. I attached the assignment to this as well. I have no Idea how to create the add method. It's for an online class, and this one is just killing me. Thank …

Good day, I was looking for a good subroutine to parse BLAST records without using BioPerl. I have to open a BlAST results file and then use regular expressions to parse out the query, BESTHIT (highest E-Value), E-value, and the identities. I have to parse them out and then print …

Okay, so my assignment is to overload the following operators and use them in main: +, -, *, /, ==, !=, >, <, <=, >= and these friend functions: >>, << Now, for the assignment our instructor gave us a program with a completed header file, main, .cpp, etc for …

Hi guys, im facing a real problem with a project im doing at the moment as Im new to Java. Ive set all the buttons for the program however, i need to make the pictures show randomly. also, il need to make some buttons work, like the nudge button for …

Hi! I'm trying to login to my website throught my program, to do that I need a password and username. The password is encrypted using C# SHA256 but on the server it uses an javascript code I got from the web. My problem is that my C# Hash differs in …

I'm having a little bit of trouble. I have been working on this code for a while and no matter what I do I just can't seem to align the data correctly. I can really use some help. The information for the stocks and the output of the program is …

[CODE] unsigned char buffer[1000] while(buffer < 0) num = fread(buffer,1, 1000, original_pointer); fwrite(buffer,1,num,copy_pointer); if(buffer > 1000) { //this is the place where i am stuck if the buffer exceeds how do i clear it then carry on reading and writing to a file ? [/CODE]

[img]http://i15.photobucket.com/albums/a389/bullzeye10/SM.png?t=1291510924[/img] that is my program. its pretty self explanatory but what i want it to do is that if someone right clicks a file, (see following image) it shows an option to add it as a shortcut to my program. So if a person would right click -> add as …

First some background on what I'm working on. I have a particular service (Windows only) running on my computer, which is built using C#. Other than Control Panel > Management Tools > Services, I can also use C# programming to Start/Stop/Restart the said service. I use ServiceController class in System.ServiceProcess …

My curse seems to be SendInput... I have tried many sites and code variations and it never works right... it always returns an error. So can someone just whip together a quick class that has 3 public methods, one for keyboard (that takes a Keys data type) one for mouse, …

Hello every one! i want to create something like this (show at the bottom of this message as an attachment) but i've no clue how to create this digital payrmid. can anyone please help me with the code please? thanks for your help in advance cheers sh4rif

hello can you help me please how can i make the function array...please help me because i have no idea for this...thank you in advance hoping for your positive responds...

I am creating an abstract data type for strings implementing the string functions but not using the string library. I have my .c file and my .h file below. The problem seems to lie in addMystring I have commented out the area's that seem to have the problem. when they …

SINGLE USER CONTIGOUS SCHEME: INPUT THE SIZE OF MEMORY DISPLAY THE SIZE OF THE OS BY COMPUTING 20% OF THE MEMORY INPUT THE NUMBER OF JOBS EXAMPLE: IF THE NUMBER OF JOB IS ENTERED THE SCREEN WILL GIVE YOU AN OUTPUT LIKE THIS JOB 1; JOB 2; JOB 3; JOB …

I'm trying to convert text to a variable name. So far, I've been able to solve most things with Google, but this is really frustrating: Error: Traceback (most recent call last): File "C:/Documents and Settings/Some_Kittens/Desktop/Lab20/worldClock.py", line 33, in <module> main() File "C:/Documents and Settings/Some_Kittens/Desktop/Lab20/worldClock.py", line 21, in main while not …

Hi! I've created three list in a class but when I print them i get <__main__.Kort instance at 0x16eb22b0> Anyone know how I can get the list to print put its "real" elements? [CODE] class Kortlek(): def __init__(self,colors=["blue ", "yellow ", "red "], forms=["triangel", "circle ", "square "], numbers=[1, 2, …

As an assignment, I have been ordered to program the game Breakout/Arkanoid. We have to implement a class hierarchy starting with an Entity. We then expand this class to a PlayerEntity and an EnemyEntity. Then PlayerEntity is expanded to a PlayerBall and PlayerPaddle. EnemyEntity is expanded to EnemyBlock and EnemyProjectile. …