Computer Science Forum

Hi, Im a beginner & i need help on my assignment. [COLOR="green"]Learning outcomes addressed[/COLOR] 1. To explain the approaches available for systems development 2. To apply appropriate project initiation and requirement capture techniques [COLOR="green"]Background Information/ Topic[/COLOR] As a student of computing you have been talking to the owner of your …

Hello All, I have a doubt... basically I worte my first interpreter in C (A very simple one though... ) I will take a input file and will pass as command line arguements to my interpreter . This file will convert the input file to standard C file and will …

[B][COLOR="Green"][B]Hi frnds... I am doing ma collg 1st yr and i am of CSE department(comp sci engg) and i want to do some additionals course on languages.I am already studying c nd c++ in ma sub and in add on to that i wanna study some other language as i …

I have a class that creates a stack object implemented with an array: So I have a method contractStack() which is called when the length of an array of the same class is greater than INITIAL_CAPACITY of 8, and the size of the stack (contents within the array) is less …

Here's the problem: "Daily life magazine wants an analysis of the demographic characteristics of its readers. The Marketing department has collected reader survey records containing the age, gender, marital status, and annual income of readers. Design an application that accepts reader data and produces a count of readers by age …

I'm not very math profficient yet, since I haven't taken enough Math classes at school, but we're covering asymptotic notation and running times of algorithms in class, which seems pretty mathy (yes mathy is a word). Anyways, first, I need to clarify: upper/lower bounds refers to max/min cost of an …

I have been assigned to write an algorithm. I would like to know if there is a way I can get some of you to look at it and tell me if I am correct. I know according to the rules I am not just suppose to post my work. …

I had to take computer science for my major, but I have no idea what's going on in this class. I have to write an algorithm that reads in ten positive integers from the keyboard (upper size limit is 99). Output the additive total of the ten numbers and also …

I posted this in the C++ forum, but decided to repost here as it relates to software development, and this might be a better audience for it. I'm trying to implement a Visitor Pattern in c++, but I'm having problems with the elements being visited in turn having their children …

Hi , I am a software developer in .net . My problem is that after I develop an application , I have problems understanding the code quickly whenever I need to go back to it after some time. Right now I am converting a data-app from VB6 to c# . …

Hi Im developing a vending machine which have conneted to the bank server for card related transaction..... I have completed the coding and the system is working fine..... But I am required to apply concurrency to the system in fact controlled ones...... Is there anybody who has an idea where …

In early linux systems, inodes were kept together on one part of a disk, while the corresponding data was scattered elsewhere on the disk. Later editions divided disks drives into group of adjacent cylinders called cylinder groups, in which each cylinder group contains inodes and their corresponding data. How does …

i have this question.. show the state of the stack and the value of each variable after execution of the following statements. let A=5, B=3, C=7 push A onto stack push C*C onto stack pop item fron the stack and store in B push B+A onto stack pop item from …

Hi; Im on the way of doing a concurrent application in java command line. I want is a way to stop a transaction in the middle of it when the transaction is happening in the application. In the GUI there is the KeyListener to handle the key inputs and invoke …

I am In senior year. I want to become something related to computer engineering! Can anyone please tell me which college course to choose? I want a course that covers programming,software engineering, hardware engineering etc. I know it is too much, but i want a course that teaches almost everything …

Hi....... Can anyone provide with the statistical approach fro the summarization for the texts>>>>>> Thank U :) Please anyone can u reply>>>>>>

Hi Im interested in doing an application regarding text to speech... But I wanna do something in this regard whic is not available at the moment smoething like a new idea which is doable.... Can anybody pls help

Hi Everyone I am not a full time programmer. I had been using Python for everything and then went to PHP to build my website. I really love PHP now but surely it is the wrong tool for many offline tasks. I know Python is strongly typed but after using …

Hey guys. I decided to do another project euler problem, and got this problem: [CODE]You are given the following information, but you may prefer to do some research for yourself. * 1 Jan 1900 was a Monday. * Thirty days has September, April, June and November. All the rest have …

What's the difference guys?

Hi all I have found 2 approaches in Object Oriented programming: [LIST=1] [*]Creating a "master" class that contains all classes, and creating a method for each operation. (With this approach you only have to pass the "master" class throughout different GUI screens) [*]Using only the classes you need in the …

Hi, I joined a company on 1st of June and I am going to get my 1st month salary. And the one responsible for this to happen is my sister. She after finishing her BE-computer science from one of the reputed colleges in Tamil Nadu,INDIA joined a customer support services …

I have followed the normalised eight point algorithm(as outlined in Zisserman and hartley) for estimating the fundamental matrix between two cameras. but the determinant does not get constrained. i tried adding more points(upto 24) but the results only get worse... could any1 please tel me what could be the reason?

Hello, I'm writing a paper about the Computer programming industry and I have a few questions that I have been having trouble trying to get answered. What is the difference between programming and scripting? What types of job positions are computer programmers needed for, Other than the obvious software development …

first of all i am new here so hi everyone! I am looking for a program that can generate binary patterns like the ones shown below. i know there are generators out there but i cant seem to find any, been searching for hours:( i want to generate code like …

I'm attempting a reduction from the vertex cover problem to the guard cover problem guard cover: [B]instance[/B]: a graph G and a bound k [B]question[/B]: is there a subset S of at most k vertices such that every vertex of G is separated from a vertex of S by a …

I am having problems getting my procedure to read characters recursively to terminate. Can somebody help me here, I am not suppose to use arrays or lists. I have the following procedure: [code=language] void recursive() { char c; cin>>c; cout<<c; recursive(); return; } [/code] I also need to print the …

I'm an experienced web developer in the confines of a .net environment. I'll looking to start working on a desktop application, but I'd like to steer away from .net. The programming language should meet the following criteria: - High level Object Oriented (higher than C, more like C#) - Not …

Hi there, i'm new to this community, but need URGENT help with two questions. i'm doing a subject on computer science, and regretfully my book is to know help in assisting me to answer the following two questions...if any one can help, it would be greatly appreciated QUESTION 1 write …

Please can anyone tell me how to calculate time complexity of following algorithm in terms of big theta l=0 for i=1 to n do for j=1 to (n*n) do for k=1 to (n*n*n) do l=l+1 thanks in advance

[CODE]Loop: LD F0, 0(R1) ;F0 - array element ADDD F4, F0, F2 ;add scalar in F2 SD 0(R1), F4 ;store result SUBI R1, R1, #8 ;decrement pointer ;8 bytes (per double) BENZ R1, Loop ;branch R1 != zero [/CODE] on DLX this looks: [CODE] Cycles Loop: LD F0, 0(R1) 1 …

How complicated should a program be for you to make plans for it (eg. flowcharts, drafts, etc)? When do you just jump into coding with just a vague idea of how a program is supposed to run?

Hi! I'm a third year BS Computer Science student and we're now on the process of proposing a topic for our thesis next semester. I'm thinking of proposing an Improved Image stitching algorithm, but i don't know where to start. I only have basic programming knowledge, and I'm not that …

1) What programming language has dominated scientific computing over the past 45 years? Fortran. 2) What programming language has dominated business applications over the past 45 years? Cobol. 3) What programming language has dominated artificial intelligence over the past 45 years? LISP 4) What does it mean for a programming …

[COLOR=DarkRed][FONT=Arial]Hi All I want to write a cpu scheduling code (SJF or RR or Priority) what programming language is better to use as it has been along time for me to write a program. so what PL can I teach my self & write a code within 7 days :eek: …

Say I have two classes : a provider A and a consumer B. My question : who should do the error handling, validation etc.? Example : a Garage class and a Car class. Should the Garage class tell the Car class : "He Car you are to big to enter …

Please help me :( I am in dire need of a scientific / mathematical word processor for either Windows XP or Mac OS X. Something that utilizes LaTeX maybe?

Hi all of you people out there! Can anyone please help me on this problem....? I want solutions manuals for different books that i have just for study purposes(not commercial strictly) Can anyone please tell me where i might be able to find the required solutions manual(s)....for free.! :-) I …

i want to change my daniweb user name, how can i do that?

Which is the best language for creating windows applications? What is .NET framework? Is there any software with which I can use to create win apps with using minimal code and drawing windows and menus and buttons etc without creating them using code. Something like Microsoft Visual Basic.

if a program is developed thru a language then how is a language developed

Hey! I`m a computer science student, I have this problem!: I don`t know which programming language I should learn! I`ve already know a little c & c++ but I want to learn something completely and I don`t know what to choose!But perhaps I can use a little help here Wink …

I'm looking into learning some more languages and some better code writing techniques, but I am not sure of the languages that I should delve into. So far I know VB really well and I started learning assembly, but I don't know that past some, I guess, medium difficulty, 16 …

hi, i have been wondering, after the compilation of a textual source file, it is said that it is compiled to ones and zeros, i wonder what are those ones are zeros, are they visible to eyes? for example if i open it with notepad can i display them? if …

I know that red black tree is a special case of binary-search tree. But what is the advantage of red black trees over BSTs. Is there any advantage regarding complexity. Does coloring the node cause any difference regarding the complexity? please anyone give me an answer.. Thanks in advance

I have a problem and need some ideas. I have an app that lets the user enter in weights in different units and I need a way to store the data so the total weight gets taken in the end (or at least gets close) One screen the user can …

Im creating some pseudo code for a test and I was wondering if its possible to have a case statement inside a Repeat Loop. Is there any specific rules for this kind of thing? Thanks for any reply.

Johnson's algorithm is a way to find shortest paths between all pairs of vertices in a sparse directed graph. The problem is I can not seem to find any good documentation on it nor any code to analyze. I have been to Wikipedia, read some algorithm books and some power …

1) This is a sample OpenGL program. 2) I got this error when the console window (black screen) shows: freeglut Error: Function <glutDisplayFunc> called without first calling 'glutInit' 3) VC++ 2008, WinXP OS, Win32 consolde app project, all libraries installed. [code] #include <windows.h> #include <gl/glut.h> void display() { // clear …

Hello everyone. I am a student working on network protocols. Now I have a rough idea to use mathematical tools, e.g. formal methods, to examine or even build the model of protocols. As I have no in-depth concept of these tools, I would like now ask some naive questions: 1. …