Computer Science Forum

I can program with C++ though I'm just a novice at it. I'm using Microsoft's Visual Studio Express 2010 but I don't entirely understand what I'm doing. I can use a library after a great order of frustration but I would like to make this easier. Are there any web …

I want to know how software is converted into electrical pulses or `0`'s and `1`'s in computer. How does the computer do it? I know that `0` and `1` in binary system actually represent `off` and `on` states respectively and the computer stores the data in its memory in the …

Hi Guys Could you explain me why adult education classes are mandatory for childrens?

Hi everyone, I have to design (College work) a project for an web application which must be capable of acting as a GUI for a open-source project (Quagga Routing Daemon). This application must provide a way of managing many instances of the software installed in different remote routers. For those …

Hiee, I am new to this forum. Can anyone let me know where i can get sufficient practice problems where i can find the time complexity of the algorithm. Finding the complexity based on:- 1.)Constant order of Growth 2.)Linear order of Growth 3.)Logarithmic order of Growth 4.)Quadratic order of Growth …

Hi everyones! I have explore and development on many programming languages as C++, python, perl, java(a little bit) and Assembly (a little bit),and web languages like html, javascript(a little bit) and PHP. Now I'm wanna create my own OS. My OS will have a simple boot file as starting up …

Hey guys, So many times I came across source code of open source technologies, like OpenOffice, Ditto, BigAnt Messenger. They provide their source code too for free, but unfortunately I dont know how can I edit and compile those source code. Can anyone please help in this? Thanks guys in …

I was thinking about a question I asked last week that someone answered very well. The person said that no program can interface with the hardware in the same was as the OS. That statement prompted another question and what better place to ask it than here, right? Well how …

Hello, I have been trying to make a logical expression that would give me a certain output(Y) from the given inputs(ABCD). The directions are not specific in how I get the output just that I do not simplify the logical expression A B C D Y 0 0 0 0 …

i need to know about brain networks.

i am student of computer science. i take my final year project this semester and i do not have any project title. i will like to do some web-based system.Can you give me some title?

Hi there. I am starting my second semester of year one in uni and I didn't write good reports on previous work and I was wondering if you could check this essay I am reading now. And give additions or point out what part the author has gotten wrong and …

I am trying to install haskell on xubuntu precise for my haskell class and I cant get it to work. I keep getting 'prelude' module is not available and I have spent hours back and forth installing and uninstalling ghc. Can someone please tell me how to get this thing …

Not sure if this is really computer science but its language agnostic. Any suggestions for a relational diagram type tool for linux. I currently use dia for some flow diagrams but I frequently like to represent things with several boxes which representing components within a bigger box representing something else. …

So i don't really understand how I will calculate the time complexity for my code, I've had a hard time with it and I would really need some help. the exponent is N all the time. So how will i find the time complexity in N-time(bits).. for(int i = 0; …

Hi, I have been trying in vain for a few weeks to implement the Eigenface algorithm for Face Recognition. It is the technique based on Turk and Pentland's paper. I am working in VC++6. Although I know the steps involved in this algorithm, I am finding it difficult to realise …

Hello, I want an idea for my Masters in Computer Science and communication thesis. I am confused between to categories, networking or web/android development. Please help me and tell me what is the appropriate idea. Thank you very much.

Hye, I have started to read and implement Cache Oblivious Btree on RAM. Starting with the Weight Balanced BTree by Arge and Vitter. The Deletion algorithm explained says that after deletion of a leaf an ancestor will get unbalanced so to merge the ancestor with neighbor and split if the …

May I know the newest technology in computer science,so that I chould work on it futher for technical seminar.Please do help.

please i want to implement another algorithm for clustering based on the problems the existing are facing such combining 2 algorithm that will have no lapses at all.

Is there any NET qualified person(Computer Science) who can give me some guidance about the important subjects for exam point of view.What should be the approach for it(NET)?

I'm trying to implement an algoirthm descirbed here: http://pub.uni-bielefeld.de/luur/download?func=downloadFile&recordOId=2497720&fileOId=2525546 The purpose of that algorithm is to create a concept hierarchy based on a document corpus. For instants, a "Dog" concept would be a child of the "Animal" concept in such a hierarchy. To the point, I've come accross a peice …

Hi! I need help in deciding the topic for my final year project.. my task is to make multimedia content for education. Software that will be used is Macromedia FLASH. I need to make an interactive content so i plan to make comp. simulation. my listed topics are (well, i …

Hello, For a hobby project i'm working on i'd like to be able to generate some text based on some random inputs. Now i'd like this text to seem like it was writting by a human. I realise this is pretty hard but i was wondering if anyone could point …

Many site can ask you to make an account in order to get more services etc. Most of the time a password is asked also. I understand there is a need to make a password of a certain length, say at least 6 chars or longer. What I don't understand …

the problem is about coin change - "how many ways you can change 3,5,10 dollars if you have 5c,10c ...... "http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=83 the problem is solved many times on various blogs( solution [here](http://jijingshanlin.blogspot.ca/2012/07/147-dollars.html) ) In dp, the hardest thing is to understand the relation between subproblems and get the formula(optimal substructure) …

Hi! I'm trying to operate a pc using EEG signals, as my academic project. I mean, using our thoughts instead of input devices to handle the operations of a computer. I hav EEG signals which I can process in Matlab. But, after that I hav no idea of how to …

So as part of my computer science course, we have been instructed to build an encryption process. I have a good knowledge on different encryption methods (RSA for example), however I am having a hard time trying to create my own. Now, before anyone says it, I know, using homebrew …

Hi all! First of all I apologize if I am on a wrong forum but I am using this forum first time. I am new to this field and I have a big problem. I take a class for pseudocode and I have an assignment to create a program that …

I know how to convert from infix to prefix or postfix. But how do you wrap parentheses around this problem: a / b * c - d + e * f + g This is how I think it is accomplished: ( ( ( a / b ) * c …

I was wondering what DIM means in psuedocode? I ran across this in my research and I can understand everything except for the DIM and it would help a lot if someone else could let me know what this means. I am working on the simple array process and having …

If I have a photograph of a rectangular object whose image recedes with perspective, is it possible to work out the scale of measurements along that object? For example: I have a photograph of a (metric) ruler. The ruler is graduated in centimetres as shown, 30 cms. Is it possible …

Hello! I am having a hard time with pseudo-code and I have come up with what is below for this question: Input a list of employee names and salaries, and determine the mean (average) salary as well as the number of salaries above and below the mean. Do you see …

I am currently working on a new language design in the Lisp family, which I am calling 'Thelema'. It is intended to be a multi-paradigm language which is related loosely to Scheme and, to a lesser extent, Common Lisp, but with modern concepts such as package management, support for object …

Hey This is the first time i'm posting here I'm doing my bachelors in C.S and currently I'm in my second year. I realize I've a lot of time to think about my FYP. But I want to start gathering ideas about it so that when the time comes I'll …

Hi there, I just started learning algorithms and our lecturer is really crap. I decided to teach myself through introduction to algorithm 3rd edition. Can you recommend any websites or other books for extra reading. Thanks in Advance.

If I have two bytes representing 117, 117 or 1110101 , 1110101 and I want to concatenate them (technically I know how) then which end attaches to which? I understand they will be arranged in memory depending on endianess but overall, is there a standard way of concatenating bytes. Lets …

I want to get the maximum Column5 from both the table and then the maximum Column3 from the table which has max Column5. I don't know if it is the right forum and also am not good in sql :( SELECT max(Column5_1) FROM (SELECT max(Column5) Column5_1 FROM TABLE1 WHERE Column4 …

The company I am working for is trying to rebuild a simple program that views and/or modifies tables using sql. We want this to be a web app. We already have a working desktop app built in Visual Basic 6. Now we are copying the code over to Xojo. The …

Diggit, is funded by the local authority in the Greenwich area. The project is to take young people who are seen at risk of offending and involve them in helping to look after the gardens of the elderly. A young person can be referred to the project from a number …

I know that NP problems can't be solved in polynomial time.But what do NP complete and NP hard problems mean?

I am new to programming and I am having a problem grasping the concept of looping an array. How do I go about doing this?

I am a computer science student and i have to do a miniproject using only c.my project title is "to estimate time complexity of a given algorithm/program code.please tell me how can i initiate that i tried counter,line count it couldn't help,i have to submit my project at the first …

I need help writing this pseudocode please!! Write the pseudocode for an application which loads a one dimensional floating point array named *tests* with 25 test scores from a file. Use the *tests* array to calculate and print the average of the 25 test scores for a class of students. …

Hi anyone here know some good companies that can help with developing my program

Can someone please show me how to declare an array of 20 integers in pseudocode?

Suppose i have a 4 queens problem then i know what state space tree means but i am not able to get what does** solution space** mean?Also what is** difference between brute force and backtracking technique**s.I know that in backtracking if you don't get to a state whose bounded function …

I took a UIL test this weekend, and I don't understand this problem: What is output by //2 in the code to the right? The answer is 540,280, but I'd like to know why. int ct1 = 0; int ct2 = 1; for(int i=0; i<1040;i++){ for(int j=i; j<0; j--){ ct1++; …

Suppose i have an algorithm whose time is represented by th function T(n)=n^3+2n^2 So what does n mean?

We trace recursion using an **internal stack**.How can we relate this to an **activation record **?i.e I want to know the** relation** between an internal stack and an activation record.