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User input/output is a key component in the programs you write, yet most online tutorials just provide a quick-and-dirty method of grabbing data. In other words, it works right up until the point the user does something unexpected. In this tutorial you will learn how to avoid the common mistakes …

Hello, I wasn't sure where to post it so i decided to do it here. I want to create a calendar compatible with iphone, smart phone that runs on android and google calendar. This calendar will be posted on a website and be available to visitors. I don't know where …

Hey guys, I am trying to do the basic :hello world" in PHP When i compile the code, my browser doesn't display "hello world" it is giving me an error: "You tried to access the address [url]http://localhost/PhpProject1/index.php[/url], which is currently unavailable. Please make sure that the Web address (URL) is …

Hello there I am trying to enable php and apache on my mac and i think, i mixed up my settings. Is anyway i could reset my web settings, in particular the line "LoadModule php5_module modules/libphp5.so" is missing. Thank you for your input

Does anyone know whether 3G iphones will drop in price when the new ones come out? If yes, what is the expected price will be? Thank you

Hello, I am new to Python. I am trying to start writing some simple programs in it. Which IDE would you suggest? I am currently using NeatBeans for my Java programs but i don't think i can use it for Python P.S. I am using Mac OS X 10.5.7 Thank …

Hello, I am getting out of bound error whenever i run the program and trying to add a Node (this would be in my switch). but the error that i am getting is just above my switch statement. Can anyone help me to figure out what it is that i …

My method is not working for some reason, even though i have done in exactly the same way the books showed. Could you please take a look at it and let me know what went wrong? Thank you P.S. I tried to use DEBUG technique and it seems that the …

Hello, I wrote an add method but for some reason it does not add more than 3 values. Could anyone tell me why? here is my method: [ICODE] public void addValue(int value) { IntNode cur = head; IntNode prev = cur; IntNode t = new IntNode(value); if (value <= cur.data){ …

hey all i need someones help. I know im asking for alot here but does someone have a jave a code for the game " the price is right" if so could you please post it through thanks for you help!

Hello, For some reason, my program prints out extra zero from my linked list Can anyone tell me why? Thank you [ICODE]public class Main { public static void main(String[] args) { IntNode my = new IntNode(5,null); LinkedList list = new LinkedList(); list.createList(0); list.addValue(1); list.addValue(23); list.addValue(3); list.addValue(4); list.print(); list.getLength(); } }[/ICODE] …

Hello, I was wondering why do we need to assign value of -1 to the top of the stack? topOfStack = -1; Thank you

Hello, I have an assignment where i have to create few methods using linked lists. one of them is method that should create an integer singly list and return the head. While i know how to add a single node i am not sure how to create list of them. …

Hello, I am working on the problem. Here is the wording: 6) Specify, design and implement a class that can store an array of integer. The number of Maximum element can be 100. Write methods to : a. Add an integer at the beginning of the array b. Add an …

Hello, I was reading a book and it says that when we want to add new Node that is not in the Head we have make a selection i.e. selection.addNodAfter(element), before we initiate our method. The question is where do i have to do this "selection"? in my main or …

Hello, I was wondering why do we need constructors with arguments? Thank you

Hello, I have a program called Date. While this program compiles and runs, I have noticed something weird. I have an output line that displays my values twice. Sample Run: The word date output is: February 12 2009 [B]The numeric output of the date is: 2/12/2009 The next incremented date …

Metro supermarket is a new supermarket opening in Riyadh. It offers attractive discounts for its customers. Write a program that will display to the user his new total price after discount. The program should read the total price from the user, calculate and display the new total price based on …

I have two methods. One method was to set location of 2 points x and y. Another method was to copy that location. I used arrays. Well the program compiles but it doesn't display my values properly. Error message says: [D@af9e22. Does anyone know what this is? Thank you // …

Hello, I was trying to get hold of arrays and read lots of stuff. So when i started coding, i got an error message saying incompatible types. I checked with general compliance and it should be ok. Maybe netbeans causing it? Anyway, any kind of help will be appreciated [ICODE] …

Hello, I feel embarrassed to ask these types of questions but i can't get answers to them in my text book. So here you go: I have an assignment of copying the constructor writing clone() method and add() method. While i understand the idea of creating of clone and add …

Hello, I am working on the problem of creating an abstract class Shape also with Package shape and then creating a subclasses Circle, Square and etc. I belive, i don't have a complete understanding of an abstract. Anyways i keep getting an error: " Shape.Circle is not abstract and does …

Hello, I am having a hard time with understanding arrays and most importantly implementing them in methods and etc. Does anyone know a good source to learn about arrays from a to z? I really need to nail down these guys. Any help will be appreciated Thank you

Hello, I am having a hard time with understanding arrays and most importantly implementing them in methods and etc. Does anyone know a good source to learn about arrays from a to z? I m looking for things like book, website or some other media. I do know about Sun …

Hello,I have a user input and trying to write a precondition that will give an error if the user inputs number or some other odd character (except ' and .) I am thinking of writing and if statement that if my search method finds anything like that it will prompt …

Hello, does anybody know how to read in the data from a file into a program and vise versa when i am programming on mac? To be more precise, i dont have a txt., i only have rtf. extensions. Every time i run the console, i get an error message …

Hello, I am working on small program that reads in a string consisting of minimum two words and a space between them. My dilemma is that i keep getting an error message. Can anyone twlm me what it is that i a ding wrong? here is my code: [CODE] #include …

Hello, it the same old program calculator i have corrected errors that were preventing me from running the program. Now that i have done it i am facing another issue; It doesnt perform needed computations such as +-* and etc. It must be my switch fn. Any help will be …

Hello, I am writing the code for my basic calculator program and having some issues with it. I keep getting the same error, which doesn't let even let me see whether my program works. Could you please take a look at it and at least direct me in a direction? …

Hello, i have wrote a program using the while loop but it crashes whenever i run it Basically, the goal of a program is to calculate the population of a town with constant 10% growth annually and then find how many years left. here is my code (any help will …