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Computer Science

  1. Started by MonDie,

    I want robotux to adjust the keys pressed with each iteration. For example, the Macro Editor might have something like PRESS 1 @ 3789 if I told it to press the 1-key. I might want it to adjust with each iteration as follows... PRESS 2 @ 3789 PRESS 3 @ 3789 PRESS 4 @ 3789 and so on. I could do something like that with OnBoard (the on-screen keyboard) by having it drag to the left with each iteration, but functionality would be extremely limited. What if I want it to do 00-99? I would have to stop it before the 0-key, edit the macro, drag OnBoard back exactly, then start it again.

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  2. Started by fiveworlds,

    Below is the method to email everybody. An email label may be 63 letters. A tld may be 22 letters. A domain name label can be 63 letters. Therefore 63+@+63+.+22

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  3. Started by KayS,

    I appreciate that there may be some visually impaired users. But, this question has diagrams and I found no possible way to display the question. Therefore, I have given a link to the question so I don't offend anyone and whoever can help me go through the question I would appreciate it if you could have a look at the question. http://tinypic.com/r/2livns7/8(I have also attached the file, sorry but I just couldnt draw the diagrams but any quesiton that can b written i will.) The question is regarding Huffman coding, The answer I chose Was A because according to huffman coding you have to sort the frequency by lowest to highest and then take the two lowest out as leaves …

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  4. Started by bhaazee,

    Hi SF, I can understand the concept of App Indexing. However, I don't get the fact on HTTP standard used for the links. All the indexed pages of the app seem to work with HTTP standard. Now assume a payment app, where HTTPS is the standard, is it possible to deep link a page of the app with HTTPS standard? My next query is, I purchase something on diy ecommerce site and at checkout I choose to pay with paypal. The traditional method is using paypal api which redirects me to a seperate page to complete my payments. Is the same payment process possible with deeplinking/app indexing? AS an example, say at checkout on the diy ecommerce app installed on my phone, I cho…

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  5. Hello! I want to ask You. Which methods (operators) is better to use for edge detection in noisy images? Thanks)

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  6. Started by fiveworlds,

    This is my tutorial on webpage design. When designing your webpages zoom is no longer the issue because zoom often means you view a page on a phone which is < 900px etc. This is viewable in ie if you view the page the text goes messy because I like to make an individual stylesheet for a phone. <style> <?php $a=0; $b=1; while($a<11000){ echo " @media all and (min-width:{$a}px) {a{ font-size:{$b}px; text-decoration:none; word-spacing:0px; outline:0px; text-shadow:0px; display:inline; background:none; position:absolute; font-weight:bold; top:1%; left:1%; }}"; $a=$a+200; $b=$b+5; } ?> </style> <a href="#">Company Name Here</a> Now that c…

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  7. Started by mrblackos213,

    Hi I need someone and would greatly appreciate it if someone could do these worksheets and in exchange I will send over $100 through paypal. No Joke, I honestly need these done ASAP and will happily reward someone with $100 if they can get the task done! I've left a dropbox link to download the sheets! Link removed Thank you!

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  8. I recently saw a documentary about wireless charging devices. It didn't go into quite a lot of technical detail, but it explained how it uses magnetic forces to transfer electricity over the air. The whole discussion made me curious about a bunch of things, regarding the idea of wireless charging: 1 - Rather than using a magnetic field, I often wondered whether this could be done over short distances with an electric arc. The question of course is if it's possible to have electric arcs over distances of even a meter, but which are not dangerous to any living being touching it. From what I know, this is sadly not possible... as the voltage requited to get an arc over s…

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  9. Started by guysbarash@gmail.com,

    Given a binary string of length n of valid data. what is the minimal number of parity bits i have to add in order to create hamming distace of D between each valid word? thx in advance

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  10. Started by Veronica Ulrich,

    Can someone please tell me how to decode a byte in Floating-Point Notation? -Veronica Ulrich

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  11. Started by SarK0Y,

    Good Time to all, Amici(Friends). Here, i'd like to discuss how to reduce conditional branches in the code. 1st of the all, i would like to share some tricks. Their description is here ----------------------- Thanks in Advance for attention of Yours.

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  12. Does anyone have any good resource on how to convert An analogue audio signal to a digital one. I came across this question and have no idea on how to solve it. much appreciated. Q. An analogue audio signal is converted to digital using sampling rate of 200hz with each sample using one of 64 different levels. How many bits are needed to encode ten seconds of sound(you should ignore the memory requirements for any metadata in your calculations)? Answers: a. 1,280 bits b. 5,000 bits c. 12,000 bits d. 128,000 bits Thank you much appreciated... please dont block my thread I just am someone who wants to learn.

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  13. Started by KayS,

    Hi, everyone the year has ended I finished my 2nd year at University. I was just going over my Subject Knowledge by doing quizzes, practice tests etc on my University site. However, there servers are messed up so I cant download the mark scheme and I don't know if my answers are correct so I'm going to post the question up and give my reasoning behind my answer and you could tell if I'm correct and what the correct answer would be. I have chosen C as the answer as when you give n = 100 it returns the lowest interger meaning that the less amount of data that needs to be processed by the algorithm meaning its would be the fastes. Please let me know if you agree

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  14. I'm having a database contamination issue. I've attached a file of my problem. I'd like to be able to do with Python specifically, but I'm also looking into just using MySQL to complete the task. Check the picture at this point please. Ok, as you can see, I've highlighted the portion that is giving me trouble. What I want to do is make the program find the '$' (left-most character) and shift that row (and all values after that column value) to the right. Any help is appreciated. Thanks!

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  15. I've been searching how to enumerate files from a network directory for a couple hours now with no luck. I need to be able to do this with Python for an application that I am working on. Methods tried so far- import os >>> print os.path.splitext from os import listdir >>> from os.path import isfile, join >>> onlyfiles = [f for f in listdir("smb:///dw_fileserver/") if isfile(join("smb:///dw_fileserver/", f))] os.walk("smb:///dw_fileserver/") I don't think that anyone will be able to help, but I'm taking a shot in the dark at this point. I'm using Samba to connect to the file sharing network. There's either no answer to this question or…

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  16. Started by fiveworlds,

    I want to create an online form to automatically setup direct debits for my clients. How can this be done?

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  17. Started by Delbert,

    Can anyone offer advice as to how the Wi-Fi PSK protocol operates. Like, some sort of indicator showing that such has been shared and encryption is in operation? And how does the key get shared, and does the sharing process have to be repeated at every switch-on?

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  18. I am not sure where to post this topic, it both speculation and a serious possibility in the distant future, Dear moderator if I have put in the wrong place could you move it to where it should be, thank you? Could the Internet become a conscious mind? Source unknown , but I will try to locate where I got it from! Experts compare the Internet to a planet growing a global brain? As users, we represent the neurons. Texting, emails, and IM act as nerve endings, and electromagnetic waves through the sky become neural pathways. Like germinating seeds, this global brain continues to evolve and as some forward-thinkers believe, will not stop until it develops …

  19. Started by thelegendary2,

    Hello everyone, i'm currently in a community college studying a major i wish i would of never even invested my time in. I should of never rushed into college. I never actually stopped and thought about what i really wanted to do. I was honestly pressured by my mother, who i love dearly, to go to college. Nonetheless, i'm working my ass off, and i'm maintaining a 3.5 GPA. I'm going to finish these two years just so I can graduate to a four year university and actually study what i want to do. I'm thinking of studying computer science because as a kid i always loved computers. I remember doing some "hello world" exercises on Visual basic 2005 haha! I never actually thought …

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  20. We know that intelligence can be built into a computer program to generate a sequence e.g. a Fibonacci sequence using recursion. In many aptitude tests we come across problems where we have to guess the next term of the series. Can an algorithm be developed that can solve any number sequence, analogous to a human doing the same, in real time. Is it infeasible? Please opine.

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  21. Hey all, I didn't want to hijack the news thread so I decided to make a new one. I worked on data integration today and I thought that making a chatbot would suffice for the moment because I don't have the infrastructure available to me yet to start scraping more data. I thought you guys might like to see this, it's probably very close to the cleverbot algorithm. It's going to need a lot of data to get to something useful though, so I threw in some machine learning. I'm giving it to you guys where time is an empty dictionary, so you're going to want to talk to it for a little while to get it to respond, and on top of talking to it for a little while, it's going to be best…

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  22. Started by Popcorn Sutton,

    Hey guys! I feel like I'm exhausting my resources again and I'm not getting much information from the experts on this one. I'm trying to get data from a server.... legally. Can you guys list the methods that I can use to get data from servers such as Apache, Apache Tomcat, Microsoft IIS/7.5, and SQL? I've switched to Linux (Ubuntu) by this point, but I do also have a Windows PC sitting next to me in my office now. I've tried a few methods, and it feels like I'm getting closer, but everytime I get close something goes wrong. So, the question is as stated above. What methods can I use to get into these servers? (The information is public for every server I'm try…

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  23. I've tried using subprocess Popen and PIPE but the '''keydown Shift_L''' only works once from what I see, same goes for '''keydown Shift_R''' I've searched for xdotools, no luck uinput - no luck SendKeys- no luck These things work fine on Windows with the win32api but I can't find a single useful resource here and I feel like I am running out of options. Does anyone know of one that will make it work?

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  24. Started by rvin_07,

    Hi guys! I'm new here and I would just like to ask what is/are the best method(s) for image segmentation to date? It's for our undergrad thesis and we're planning to make a comparative study about it. I've been searching the net for methods under this approach and I've seen a couple of them like clustering, region, and hybrid to name a few. I just have no idea how to pick or maybe create a criteria on what methods I should use. If you ever suggest a method please do attach a reference or something to support your suggestion and why it's the best/good for comparing. This really means a lot to me thank you very much in advance guys! Good day!

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  25. Started by fiveworlds,

    I have a question. Why do we need the rieman function? computers seem to easily be able to compute the distribution of primes accurately. What would be the point in proving or disproving math about primes that may not necessarily be true. When there is already an alternate way of doing so using computers. Ps I dont think I had an account created here before but apparently I did. See apparently a lie was going around about prime numbers and internet security but prime numbers have nothing to do with internet security no bank uses prime numbers in their encryption algorithms contrary to the numbers tvshow. So why would computing primes not be completely useless. @echo …

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