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• Fibonacci Numbers in Haskell

  - by boraer

  Hi everbody I need to change my F# code to Haskell code but I am so new in Haskell and I can not this My code simply read data from keyboard if data not an integer return an error message then calculate the n fibonacci number then writes to a list after that writes the list into a txt file Here is my code open System let rec fib n = match n with |0->0 |1->1 |2->1 |n->fib(n-1)+fib(n-2);; let printFibonacci list = for i=0 to (List.length list)-1 do printf "%d " (list.Item(i));; let writeToFile list = let file = System.IO.File.Create("C:\out2.txt") let mutable s ="" let writer = new System.IO.StreamWriter(file) try for i=0 to (List.length list)-1 do s <- list.Item(i).ToString() writer.Write(s+" ") finally writer.Close() file.Dispose() printfn "Writed To File" let mutable control = true let mutable num = 0 while control do try printfn "Enter a Number:" num <- Convert.ToInt32(stdin.ReadLine()) let listFibonacci = [for i in 0 .. num-1->fib(i)] printFibonacci(listFibonacci) printfn "\n%A"(listFibonacci) writeToFile(listFibonacci) control<-false with | :? System.FormatException->printfn "Number Format Exception"; Console.ReadKey true|>ignore

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• Protected Videos not Playing Ubuntu 13.10 (Amazon Prime)

  - by Radeesh Koonichere

  Unable to play amazon prime videos with Chrome/Firefox browser. Tried deleting the Flash folder, re-installed OS. Ubuntu 13.10 Flash Version: flashplugin-installer 11.2.202.310ubuntu1 Youtube works but not Amazon Prime. Try 1 Clear Cache Flash cd ~/.adobe/Flash_Player rm -rf NativeCache AssetCache APSPrivateData2 Try 2 Install Older version of Flash /usr/lib/flashplugin-installer/Flashplayer.so Some other sites have installing HAL and running hald but that was not working either as it seems to be a deprecated. sudo apt-get install hal

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• Is there any Python library that allows me to parse an HTML document similar to what jQuery does?

  - by Sachin Tendulkar

  Is there any Python library that allows me to parse an HTML document similar to what jQuery does? i.e. I'd like to be able to use CSS selector syntax to grab an arbitrary set of nodes from the document, read their content/attributes, etc. The only Python HTML parsing lib I've used before was BeautifulSoup, and even though it's fine I keep thinking it would be faster to do my parsing if I had jQuery syntax available. :D Write an iterative program that finds the largest number of McNuggets that cannot be bought in exact quantity. Your program should print the answer in the following format (where the correct number is provided in place of n): "Largest number of McNuggets that cannot be bought in exact quantity: n"

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• Visual sitemap generater

  - by rugbert

  Im looking for a something to visually create a sitemap for one of my websites. Id like something in a tree structure, so I have the hierarchical view of my site. A couple requirements I have tho, the ability to map password protected pages, and (not REALLY a requirement) the ability to integrate google analytics data. Im trying a evaluation version of powermapper, but the version that includes analytics integration is like $300 so Im looking for something cheaper.

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• Java: Switch statements with methods involving arrays

  - by Shane

  Hi guys I'm currently creating a program that allows the user to create an array, search an array and delete an element from an array. Looking at the LibraryMenu Method, the first case where you create an array in the switch statement works fine, however the other ones create a "cannot find symbol error" when I try to compile. My question is I want the search and delete functions to refer to the first switch case - the create Library array. Any help is appreciated, even if its likely from a simple mistake. import java.util.*; public class EnterLibrary { public static void LibraryMenu() { java.util.Scanner scannerObject =new java.util.Scanner(System.in); LibraryMenu Menu = new LibraryMenu(); Menu.displayMenu(); switch (scannerObject.nextInt() ) { case '1': { System.out.println ("1 - Add Videos"); Library[] newLibrary; newLibrary = createLibrary(); } break; case '2': System.out.println ("2 - Search Videos"); searchLibrary(newLibrary); break; case '3': { System.out.println ("3 - Change Videos"); //Change video method TBA } break; case '4': System.out.println ("4 - Delete Videos"); deleteVideo(newLibrary); break; default: System.out.println ("Unrecognized option - please select options 1-3 "); break; } } public static Library[] createLibrary() { Library[] videos = new Library[4]; java.util.Scanner scannerObject =new java.util.Scanner(System.in); for (int i = 0; i < videos.length; i++) { //User enters values into set methods in Library class System.out.print("Enter video number: " + (i+1) + "\n"); String number = scannerObject.nextLine(); System.out.print("Enter video title: " + (i+1) + "\n"); String title = scannerObject.nextLine(); System.out.print("Enter video publisher: " + (i+1) + "\n"); String publisher = scannerObject.nextLine(); System.out.print("Enter video duration: " + (i+1) + "\n"); String duration = scannerObject.nextLine(); System.out.print("Enter video date: " + (i+1) + "\n"); String date= scannerObject.nextLine(); System.out.print("VIDEO " + (i+1) + " ENTRY ADDED " + "\n \n"); //Initialize arrays videos[i] = new Library (); videos[i].setVideo( number, title, publisher, duration, date ); } return videos; } public static void printVidLibrary( Library[] videos) { //Get methods to print results System.out.print("\n======VIDEO CATALOGUE====== \n"); for (int i = 0; i < videos.length; i++) { System.out.print("Video number " + (i+1) + ": \n" + videos[i].getNumber() + "\n "); System.out.print("Video title " + (i+1) + ": \n" + videos[i].getTitle() + "\n "); System.out.print("Video publisher " + (i+1) + ": \n" + videos[i].getPublisher() + "\n "); System.out.print("Video duration " + (i+1) + ": \n" + videos[i].getDuration() + "\n "); System.out.print("Video date " + (i+1) + ": \n" + videos[i].getDate() + "\n "); } } public static Library searchLibrary( Library[] videos) { //User enters values to setSearch Library titleResult = new Library(); java.util.Scanner scannerObject =new java.util.Scanner(System.in); for (int n = 0; n < videos.length; n++) { System.out.println("Search for video number:\n"); String newSearch = scannerObject.nextLine(); titleResult.getSearch( videos, newSearch); if (!titleResult.equals(-1)) { System.out.print("Match found!\n" + newSearch + "\n"); } else if (titleResult.equals(-1)) { System.out.print("Sorry, no matches found!\n"); } } return titleResult; } public static void deleteVideo( Library[] videos) { Library titleResult = new Library(); java.util.Scanner scannerObject =new java.util.Scanner(System.in); for (int n = 0; n < videos.length; n++) { System.out.println("Search for video number:\n"); String deleteSearch = scannerObject.nextLine(); titleResult.deleteVideo(videos, deleteSearch); System.out.print("Video deleted\n"); } } public static void main(String[] args) { Library[] newLibrary; new LibraryMenu(); } }

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• how to get a particular day of week in objective c??

  - by hemant

  using gregorian calender i am able to get the number of day of the week i.e 1 for sunday and 2 for monday etc but i am not able to find a function that displays the name of week then the number?? can anyone help?? here is my code to get the number of day NSDate *dates = [gregorian dateFromComponents:component]; NSDateComponents *weekdayComponents =[gregorian components:(NSDayCalendarUnit | NSWeekdayCalendarUnit) fromDate:dates]; NSUInteger *weekdays = [weekdayComponents weekday]; NSString *dayw=[NSString stringWithFormat:@"%1i",weekdays]; NSLog(@"%@",dayw);

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• Output of System.out.println(object)

  - by Shaarad Dalvi

  I want to know what exactly the output tells when I do the following : class data { int a=5; } class main { public static void main(String[] args) { data dObj=new data(); System.out.println(dObj); } } I know it gives something related to object as the output in my case is data@1ae73783. I guess the '1ae73783' is a hex number. I also did some work around and printed System.out.println(dObj.hashCode()); I got number 415360643. I got an integer value. I don't know what hashCode() returns, still out of curiosity, when I converted 1ae73783 to decimal, I got 415360643! That's why I am curious that what exactly is this number?? Is this some memory location of Java's sandbox or some other thing? Any light on this matter will be helpful..thanks! :)

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• array, I/O file and standard deviation (c++)

  - by JohnWong

  double s_deviation(double data[],int cnt, double mean) { int i; double sum= 0; double sdeviation; double x; //x = mean(billy,a_size); for(i=0; i<cnt; i++) { sum += ((data[i]) - (mean)); } sdeviation = sqrt(sum/((double)cnt)); return sdeviation; } When I cout the result from this function, it gave me NaN. I tested the value of (mean) and data[i] using return data[i] and return mean they are valid. when i replaced mean with an actual number, the operation returned a finite number. but with mean as a variable, it produced NaH. I can't see anything wrong with my code at the moment. Again, I am sure mean, data are getting the right number based on those tests. Thank you

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• Blackberry: RadioButtonFiled and EditFiled in the same line doesn't show EditField?

  - by user187532

  Hi All, I have a RadioGroup and two RadioButtonField added in a VerticalFieldManager. I want put an EditField for the first RadioButtonField horizontally. For ex: I have two RadioButtonField as "Enter number here:" otherwise user can choose "Number from existing Database:" in the second RadioButtonsField. In the first field "Enter number here:" i need provide an EditField horizontally next to first RadioButtonField, for him to type. I am trying to put an EditField horizoally but it doesn't show EditField horizonatally to the first RadioButtonField. May i know how to do that (or) any samples to do that? Thanks.

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• Extracting script tags from webpage using user script

  - by user1275375

  My userscript has the following code var scrpt=document.getElementsByTagName('script'); i included this to know the number of scripts of each page i access. This works fine with some websites but for some sites i am not getting all the scripts present. I installed the user script in both firefox and chrome the issue is the number of scripts for the same site is different in both browsers. For example when i access this link Help extracting text from html tag with Java and Regex i am getting the number of scripts in firefox as:17 and in chrome as:15 but when i view the page source there are 22 script tags Please help me to slove the problem. I even tried document.scripts but still i get the same result.

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• how to update multiple tables in oracle DB?

  - by murali

  hi, i am using two tables in my oracle 10g. the first table having the keyword,count,id(primary key) and my second table having id, timestamp.. but i am doing any chages in the first table(keyword,count) it will reflect on the my second table timestamp.. i am using id as reference for both the tables... table1: CREATE TABLE Searchable_Keywords (KEYWORD_ID NUMBER(18) PRIMARY KEY, KEYWORD VARCHAR2(255) NOT NULL, COUNT NUMBER(18) NOT NULL, CONSTRAINT Searchable_Keywords_unique UNIQUE(KEYWORD) ); table2: CREATE TABLE Keywords_Tracking_Report (KEYWORD_ID NUMBER(18), PROCESS_TIMESTAMP TIMESTAMP(8) ); how can update one table with reference of another table.. help me plz...

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• How to check areas to load in ASP.NET MVC?

  - by user1741807

  I have a ASP.NET MVC application which uses areas for the different features of the application. It should display different features dependent on which version of the application the customer have. I need to check which areas to display. But how do I check which areas to display? Is it just to wrap the menu in an if statement to check if the customer have a version of the application that is allowed to see the area?

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• need to find differences between 2 identically structured sql tables

  - by balalakshmi

  I need to find differences between 2 identically structured sql tables Each table is being uploaded from a 3rd paty tool into sqlserver database. The table structure is: Issue ID-status-Who Issue ID will not repeated within a table, though its not defined explicitly as primary Key There could be additions/deletions/Updations between any 2 tables. What I need Number of rows added & their details Number of rows deleted & their details Number of rows deleted & their details How do I do this 1) is it better to use sql 2) or use datatables

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• Math Mod Containing Numbers

  - by TheDarkIn1978

  i would like to write a simple line of code, without resorting to if statements, that would evaluate whether a number is within a certain range. i can evaluate from 0 - Max by using the modulus. 30 % 90 = 30 //great however, if the test number is greater than the maximum, using modulus will simply start it at 0 for the remaining, where as i would like to limit it to the maximum if it's past the maximum 94 % 90 = 4 //i would like answer to be 90 it becomes even more complicated, to me anyway, if i introduce a minimum for the range. for example: minimum = 10 maximum = 90 therefore, any number i evaluate should be either within range, or the minimum value if it's below range and the maximum value if it's above range -76 should be 10 2 should be 10 30 should be 30 89 should be 89 98 should be 90 23553 should be 90 is it possible to evaluate this with one line of code without using if statements?

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• Article about code density as a measure of programming language power

  - by prosseek

  I remember reading an article saying something like "The number of bugs introduced doesn't vary much with different programming languages, but it depends pretty much on SLOC (source lines of code). So, using the programming language that can implement the same functions with smaller SLOC is preferable in terms of stability." The author wanted to stress the advantages of using Functional Programming, as normally one can program with a smaller number of LOC. I remember the author cited a research paper about the irrelevance of choice of programming language and the number of bugs. Is there anyone who knows the research paper or the article?

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• Opera 11.60 est disponible en Beta : nouveau parseur HTML5 avec support des protocoles personnalisés et compatibilité ECMAScript 5.1

  Opera 11.60 est disponible en Beta Nouveau parseur HTML5 avec support des protocoles personnalisés et compatibilité ECMAScript 5.1 L'amélioration du support des nouveaux standards Web sur chaque nouvelle version des navigateurs a ralenti avec l'accélération de leur rythmes de développement. Mais Opera Software réussit à maintenir un juste milieu entre nouveautés visibles et fonctionnelles sur des itérations relativement rapides. L'entreprise scandinave sort Opera 11.60 « Tunny » en version bêta, avec son nouveau parseur HTML5 baptisé Ragnarök. Il s'agit de l'implémentation de l'algorithme de parsage de l'HTML5, destiné à standardiser les comportements des différents navigat...

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• How does ReSharper V7 compares against V5? [closed]

  - by Alex. S.

  I was told by my boss we need to buy some more licenses of ReSharper and getting the quote of that we also received the quote of an upgrade to the newest version (v7) for everyone here. We are a small shop of 20 C# developers working with VS2010 We previously were working with an older version (v5) so I wondered what are the key differences between both versions, from a practical point of view, because the upgrade fee is greater than zero. I reviewed the website and of course it seems interesting, and I'm looking for arguments if it's a worthwhile investment upgrade.

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• Where I can I find Zentyal ?

  - by santosamaru

  I'm using Ubuntu 10.10 Maverick. Does anyone know where I can find a version of Zentyal for it? I heard that webmin is not available any more, and I had a problem with it, so I'm trying to change the webmin to Zentyal. The problem now is that I can only find the version for Ubuntu 10.04 (Lucid). I'm having a problem with connection speed, which is why I need Zentyal to help me configure squid to cache the webpage for faster loading.

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• How to programmatically insert call log entries WITH display name and photo?

  - by dchappelle

  I am able to programmatically insert an entry into the Android call log with a number, date, duration & type BUT I cannot figure out how to also include a photo, label and name? I do the following.. (didn't know what to even try for the photo) ContentValues values = new ContentValues(); values.put(CallLog.Calls.NUMBER, number); values.put(CallLog.Calls.CACHED_NAME, name); values.put(CallLog.Calls.CACHED_NUMBER_LABEL, label); values.put(CallLog.Calls.DATE, date); values.put(CallLog.Calls.DURATION, duration); values.put(CallLog.Calls.TYPE, myCallType); context.getContentResolver().insert(CallLog.Calls.CONTENT_URI, values);

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• Which of FILE* or ifstream has better memory usage?

  - by Viet

  I need to read fixed number of bytes from files, whose sizes are around 50MB. To be more precise, read a frame from YUV 4:2:0 CIF/QCIF files (~25KB to ~100KB per frame). Not very huge number but I don't want whole file to be in the memory. I'm using C++, in such a case, which of FILE* or ifstream has better (less/minimal) memory usage? Please kindly advise. Thanks! EDIT: I read fixed number of bytes: 25KB or 100KB (depending on QCIF/CIF format). The reading is in binary mode and forward-only. No seeking needed. No writing needed, only reading. EDIT: If identifying better of them is hard, which one does not require loading the whole file into memory?

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• Musique classique

  - by Pascal

  TRANSLATED Why isn't there a french version of this application? I can't access the genre of Classical Music, Opera, Chamber Music, etc...? Why isn't there a field for "Composer"? ORIGINAL Pourquoi n'existe-t-il pas de version française de cette application ? Ne peut-on accéder à un genre "musique classique", "opera", "musique de chambre", etc ? Pourquoi n'existe-t-il pas un champ "compositeur" ?

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• git commit –m “CodePlex now supports Git!”

  Finally, yes, CodePlex now supports Git! Git has been one of the top rated requests from the CodePlex community for some time: Admittedly, when we launched CodePlex, we never expected that at some point we would be running a source control system originally invented by Linus Torvalds to use for the Linux kernel. Though I would also say, nobody would have thought the open source ecosystem would be as important to Microsoft as it has become now. Giving CodePlex users what they ask for and supporting their open source efforts has always been important to us, and we have a long list of improvements planned, so stay tuned as we have more up our sleeves! Why Git? So why Git? CodePlex already has Mercurial for distributed version control and TFS (which also supports subversion clients) for centralized version control. The short answer is that the CodePlex community voted, loud and clear, that Git support was critical. Additionally, we just like it, we use Git on our team every day and making the DVCS workflows more available to the CodePlex community is just the right thing to do. Forks and Pull Requests One of the capabilities that distributed version control systems, such as Mercurial and Git, enable is the Fork and Pull Request workflow.  Just like with Mercurial, projects configured to use Git enable Forking the source and submitting contributions back via Pull Requests. The Fork/Pull Request workflow is a key accelerator to many open source projects and you will see improvements in our support coming later this year. More Choice With the addition of Git, now CodePlex has three options when it comes to Open Source project hosting. Projects can now select between TFS, Mercurial, and Git. Each developer has their own preferences, and for some, centralized version control makes more sense to them. For others, DVCS is the only way to go. We’re equally committed to supporting both these technologies for our users. You can get started today by creating a new project or contribute to an existing project by creating a fork. For help on getting started with Git on CodePlex, see our help documentation here. If you would like to switch your project to use Git, please contact us at CodePlex Support with your project information, and we will be happy to help you out. We're Listening CodePlex is your community, and we want to deliver the experiences you need to have a successful open source project. We want your ideas and feedback to make CodePlex a great development community.  The issue tracker on CodePlex is publicly available. Add suggestions or vote up existing suggestions. And you can always find us on Twitter, I’m @mgroves84; follow us to keep up to date with our latest releases: @codeplex

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• nUnit Assert.That(method,Throws.Exception) not catching exceptions

  - by JasonM

  Hi Everyone, Can someone tell me why this unit test that checks for exceptions fails? Obviously my real test is checking other code but I'm using Int32.Parse to show the issue. [Test] public void MyTest() { Assert.That(Int32.Parse("abc"), Throws.Exception.TypeOf<FormatException>()); } The test fails, giving this error. Obviously I'm trying to test for this exception and I think I'm missing something in my syntax. Error 1 TestCase '.MyTest' failed: System.FormatException : Input string was not in a correct format. at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) at System.Int32.Parse(String s) based on the documentation at Throws Constraint (NUnit 2.5)

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• How to make validation for a textbox that accept only comma(,) & digit in c# web application?

  - by prateeksaluja20

  Hello Experts, I am working on a website.I am using C# 2008.I want to make a text box that accept only numbers & comma(,). for example-919981424199,78848817711,47171111747 or there may be a single number like 919981424199. I was able to do one thing My text box only containing number by using this Regular Expression validation.in its property-Validation Expression i wrote "[0-9]+". This is working but now my requirement is to send bulk SMS & each number is separated by (,). I tried a lot but not getting the ans.so please help me to sort out this problem. Thanks in advance.

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• Netlive: an interesting alternative to the Linux Terminal Server Project

  <b>Zona-M:</b> "Netlive is a slightly unusual distribution developed in Italy: a live version of Linux that makes available on demand any other live version of Linux chosen by its administrators to all the computers of its local network."

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