Converting image to byte array?
What is the need/purpose of converting an image to a byte array? Why do we need to do this? ...
homework
create a Java method called that will return the size of an ArrayList
hi, i'm new to java programming and need to create a method called sizeofCarPark that returns the amount of cars that are stored in a Car Park, i'd appreciate some pointers in what i need to do. thanks. pieter ...
Linux homework bash Shell
Dears, I've this assignment for my GF, n I absolutely have no clue abt Linux. Can anyone help in makin this script. . . . . . .................................... ............................................................................................................................................................ here it goes: ...
Please how can I write the bellow question using Java language
The sieve of Eratosthenes can be used to determine all prime less than a given integer, n. The methods can be described as follows; A. Store 1s in element p(1) to p(n) of an array B. Set f to 2 C. Set to 0 any element of p whose subscript is a multiple of p D. Set f to the subscript of the next element of p which contain 1 E. Repea...
HTML Form check homework
Homework assignment: Add a page to the Internet site to collect demographic information for a customer mailing list. We want to collect customer demographic information in order to send out information to our customers about sales and in-store events. We want to capture the customer's name, mailing address, e-mail address and telephone...
How to call a class within Java
have two strings, String1 = hello String2 = world, I want to call a class Hello and send to the two strings. The class should return a boolean value and a string. If the boolean is true it should do the followig: System.out.println("Hello to you too!"); Can someone help me out with this code? ...
how can i read specific block from text file
I need to read a block of data from this text. The block starts with the T|DataObject.EShop.Tic.TicVente| line and ends with T|DataObject.EShop.Tic.TicPaiement|. I only want the lines that start with D between the previous strings. W|301500120100407213036| M|SYP|| T|DataObject.EShop.Tic.TicVente| C|ArtId|ArtRef|PrxInit|QteArt|...
I need an idea for a program with threads
Hi there. This might sound funny but I got a homework and I can`t make any sense of it. The statement sounds like this: "Find the 10 largest numbers in an array of 100.000 randomly generated integers. You will use threads to compare 2 numbers. A daemon thread will print at regular intervals the progress and the number of unchecked in...
How to parse time range input?
Hi all, In a program I'm working on, i need the user to input time ranges, such as 2002-2003, or 1999- (implied present), or -2000 (before 2000). I have an ArrayList of objects, and so the user might put it the title of books, including some information (one of these must be the date it was published). They can then search for a spec...
How can I reduce makefile boilerplate when doing out-of-source builds and Java?
I've got a quick and dirty little make file that does out-of-source builds for a relatively small java project: default: bin/classes/EntryPoint.class bin/classes/manifest jar cvfm ./bin/output.jar ./bin/classes/manifest -C ./bin/classes EntryPoint.class bin/classes/EntryPoint.class: ./src/EntryPoint.java bin javac -sourcepath ...
MATLAB: how to calculate the 'determinant' of a matrix N*N in MATLAB
A(N,N): matrix First, i want to give the matrix from my keyboard. Then calculate the determinant of A Thanks! ...
Multiple string and condition matching?
I have a program which needs to be able to search through an ArrayList of 'book' objects, and decide which ones meet given criteria. You can search by Name, ID Number, or Year published. Or just by any assortment of the above. Currently i use nested if statements, where a null value means that field wasn't specified and to display all...
Writing a nested loop with a single for loop (generic) - java
No one in my residence hall knows how to do this question on our CS homework. It says: The nested loops for(int i = 1; i <= height; i++) { for(int j = 1; j <= width; j++) { System.out.print("*"); } System.out.println(); } displays a rectangle of a given width and height, such as **** **** **** for a width of 4...
How to use the Android Context Menu (on tap and hold)
I am having a lot of trouble understanding how the Android context menu works. I am writing a simple program which will display a list of different types of ice cream in a list view. When the user to "taps and holds over each type, a context menu should appear with 4 options asking what information they want to be displayed about that i...
Doubly linked lists in C++
What is a doubly linked list? If someone could provide some C++ code to help explain then that would be much appreciated. ...
In C, how to I get to a specified directory?
I have to do a program where I need to index the files in a specified directory. I've gotten the indexing part down, but what I'm having trouble with is how to navigate to the directory. For example, say when I start the program, it will ask "What directory would you like to index," And then the input would be "usr/Documents/CS/Assignme...
Finding Center of The Tree
I have a question which is part of my program. For a tree T=(V,E) we need to find the node v in the tree that minimize the length of the longest path from v to any other node. so how we find the center of the tree? Is there can be only one center or more? If anyone can give me good algorithm for this so i can get the idea on how i ca...
SQL Syntax with regards to SELECT
I keep getting an error saying that a specific column, doesn't exist for b.BookCode But I am fully aware that it does exist! I just wanted to make sure after staring at this for so long that I am not missing something obvious. SELECT AuthorLast, AuthorFirst, OnHand, Title FROM (Inventory i, Author a, Book b) WHERE (i.BookCode = b.Book...
Java Beginner: Scanner Console and two 6-sided dice problem
I have to create a program in which a user can input a desired sum, then rolls a two six sided dices until their sum is the desired sum. I know that a) I have to use Scanner since it's an interactive program. b) I have to use indefinite loops to solve the problem including the use of random numbers. c) I don't expect you to give me the a...
in C what is the proper way to pass a pointer to a string from a function to the main.
this is the rough idea of what I am trying to do: I want the pointer in main to point to the word I just in my function. my actual code is very long so please excuse this format. main() { char *word; int lim 256; *word = function(word,lim)//I am not returning the address back only the first letter } function(word,lim) { //memory allo...