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• Finding the order of a set's elements

  - by Maciej Stachowski

  A little rephrased, in the form of a game, real-life problem: Suppose there is a set of elements {1, 2, ..., n}. Player A has chosen a single permutation of this set. Player B wants to find out the order of the elements by asking questions of form "Is X earlier in the permutation than Y?", where X and Y are elements of the set. Assuming B wants to minimize the amount of questions, how many times would he have to ask, and what would be the algorithm?

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• Lancement du forum d'entraide dédié à Scala, l'un des langages alternatifs pour la plateforme Java

  Ce nouveau forum d'entraide est destiné aux questions sur Scala. Avant de poser votre question, prenez le temps de consulter les ressources à votre disposition :Documentation officielle La catégorie Scala du blog de djo.mos Pour vos questions sur Lift, merci de privilégier le forum Autres Frameworks Web Java. Pour toute autre question sur des frameworks s'appuyant sur Scala, si vous ne trouvez pas de forum adapté à la problématique traitée, merci de privilégier le présent forum en p...

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• Lancement du forum d'entraide dédié à Scala, l'un des langages alternatifs pour la plateforme Java

  Ce nouveau forum d'entraide est destiné aux questions sur Scala. Avant de poser votre question, prenez le temps de consulter les ressources à votre disposition :Documentation officielle La catégorie Scala du blog de djo.mos Pour vos questions sur Lift, merci de privilégier le forum Autres Frameworks Web Java. Pour toute autre question sur des frameworks s'appuyant sur Scala, si vous ne trouvez pas de forum adapté à la problématique traitée, merci de privilégier le présent forum en p...

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• NUnit SetUp and TearDown

  - by Lijo

  I have some experience in MS Test but new to NUnit. Whether NUnit [Setup] is corresponding to [ClassInitialize] or [TestInitialize] in MS Test? What is the NUnit attribute corresponding to [TestInitialize]? REFERENCE: http://stackoverflow.com/questions/1873191/testinitialize-gets-fired-for-every-test-in-my-visual-studio-unit-tests http://stackoverflow.com/questions/4602288/nunit-testcontext-currentcontext-test-not-working

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• Migrating to Natty (or any other future versions of ubuntu)

  - by Nik

  I am hoping that this question would help other ubuntu users when migrating to a newer version of ubuntu. This should have all the info that they need. So please when you answer try to phrase them into points for easy understanding. I understand that some questions that I ask might have been asked before by other users. In that case just provide the links to those questions. I am running ubuntu 10.10 Maverick Meerkat in case that is important. I can say for sure that a clean install is definitely better than an upgrade since it gives you an opportunity to clean your system and get a fresh start. However some of us like to retain certain software configuration or files etc. The questions are as follows, How do you save the configuration files of certain application like for instance Thunderbird, firefox, etc...so that you can basically paste in the new version of ubuntu? (Thunderbird for instance has all my mail, so I definitely would like to backup its configuration and then use it the new installation that I do) I have some applications like MATLAB and Maple (Based on JAVA) installed. When I migrate, can I just copy the entire installation folder to the new version of ubuntu? Would it still work as now if I do that? When doing a backup which folders should be backed up? Obviously your personal files would be backup. But other than that, is it necessary to back up stuff in the home folder, /usr/bin etc? I have BURG installed. I am guessing that would be erased when I do a clean install along with the program's configuration and everything. How can I do a backup of it? I am dual booting my ubuntu alongside with Windows 7. When I perform the clean install of ubuntu, would GRUB (bootloader) be removed and in anyway jeopardize my windows installation? Over time I have added a lot of PPA which are of course compatible with my current ubuntu version. How do I make a backup of all my PPA and would they be compatible to the newer version of ubuntu when I restore them? I hope this covers all the questions or doubts that a user might face when thinking about performing a clean install of his system. If I missed anything please mention it as a comment and I will add it to my answer.

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• Basics of Machine Learning

  - by user1263514

  I am going through Machine Learning algorithms since a week. And there are some doubts that I have in my mind regarding ML. Here are some of the basic questions that I need answers for What are the basic criterias for selecting any Clustering Algorithm? What are the factors affecting the Performance of any Algorithm and any ways to improve them? Please give me some idea as to how do I cope up with these basic questions.

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• SEO Checklist - Top 10 Most Common SEO Issues

  I read a lot of SEO blogs and forums and it never fails to amaze me how the same, fundamental basic SEO questions crop up time and time again, and the same old advice is wheeled out, rinsed, and then wheeled out again. And then when that is finished, it is wheeled out again for good measure. So, I thought I would compile the 10 most common SEO questions, and issues we come up against when assessing client's websites.

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• What's special in July 26th and why is it used in examples for Expires header so often?

  - by zerkms

  I've noticed that July 26th (my birthday) is used really often in various examples related to preventing http caching using Expires header, like: http://stackoverflow.com/questions/12398714/cache-issue-with-private-networking-stream http://stackoverflow.com/questions/2833305/how-to-expire-page-in-php-when-user-logout http://expressionengine.com/archived_forums/viewthread/81945/ What's special in that date? PS: couldn't add conspiracy tag to the tags because of lack of rep points

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• Custom Gridview Paging on ASP.NET

  - by OscarRibbeck

  Hello again :).There is an interesting entry about Custom Gridview Paging on ASP.NET 2.0 subject on here: http://forums.asp.net/t/1069129.aspx I tweaked the original code for my own convenience and posted it on this thread but I noticed yesterday that some people had some questions on it that I didn't notice. Hence I uploaded an small sample available on here:http://www.mediafire.com/?2a8c34zn4495mq8Try it out and if you have any questions please let me know.Cheers!

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• Découvrez des trucs, astuces et des tutoriels vidéos sur Windows Azure, seconde partie, par l'équipe Azure de Microsoft

  L'équipe de Azure, la plateforme Cloud de Microsoft, a préparé beaucoup de contenu intéressant, en exclusivité pour les lecteurs de Développez.com. Chaque semaine on va partager ce contenu avec vous. Regardez les vidéos, rejoignez des web events, étudiez les tutoriels. En fin de chaque semaine il y aura des questions, et chaque personne qui répondra correctement à 80 % de ces questions recevra un t-shirt sympa. Le 23 décembre un tirage au sort sera effectué entre tous les gagnants, et le vainqueur...

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• Bruxelles questionne l'impartialité de Google AdWord et envoie des questionnaires aux acteurs du Web européen, selon Le Figaro

  Bruxelles questionne l'impartialité de Google AdWord Et envoie des questionnaires aux acteurs du Web européen, selon Le Figaro D'après Le Figaro, Bruxelles aurait commencé à envoyer ses premiers questionnaires aux acteurs majeurs du Web européen dans le cadre de son enquête anti-trust sur Google. En plus des questions sur l'impartialité des résultats de recherche du célèbre moteur (que la commission suspecte de favoritisme envers ses propres services et ceux de ses partenaires), des questions révèleraient, d'après le quotidien, une présomption de manipulation sur l'offre publicitaire Google AdWords, principale source de revenus du géant américain. Au total, u...

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• Save Time and Money - Create a Website Brief That Works

  If you have been given the task of creating or updating a website for your business or organisation, there are some key questions you need to ask before you get started. Answering these questions will prove to be invaluable in saving you precious time once you contract a web development company, and ensuring you get the kind of website that really works for you.

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• Save Time and Money - Create a Website Brief That Works

  If you have been given the task of creating or updating a website for your business or organisation, there are some key questions you need to ask before you get started. Answering these questions will prove to be invaluable in saving you precious time once you contract a web development company, and ensuring you get the kind of website that really works for you.

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• Differences between a retail and wholesale website, and how difficult would it be to integrate them? [closed]

  - by kmy

  I was told to come here for some guidance, I know that my questions can be quite broad, but I just really want some kind of direction to go towards (links, articles, etc). So here it goes: For the past month I have been planning and started implementing a wholesale website, but plans got changed on me and I need to allow both retail and wholesale orders which will also depend on whether the account is a regular customer or also has a seller account. There are various types of products and it has been decided that I would use subcategories as tables to organize them and allow various specific item fields. So here are some of my specific questions: How different is the database structure for each item to be available for both wholesale and retail? Will it just be adding a quantity column and have two different pricing, or much more complicated? I am unaware if there's any price tables but would that be more difficult? They use Quickbooks POS software, how difficult/inefficient will it be to update inventory quantities if they have like 2000-4000 products? And what would be the best ways to extract the information and update the system? I know it export an excel spreadsheet so maybe a suggested php plugin for it? How difficult is this project in your professional opinion, and how big should a team usually be? (At the moment it is just me.) Projected time for planning, implementation, and quality assurance in accordance to team size? I am an entry level developer and I know that I do not have enough knowledge to direct myself on this website...What kind of web developer skills will I need to find to help me? (My company is willing to hire people to get this website done as fast as possible.) Also, what would be some great questionnaires to ask the product stakeholder about what he wants from the website? (He has made it clear he is neither computer or internet savvy...) Sorry for the amount of questions, I'm an entry level web developer and do not have a senior to look up to for guidance. I have knowledge in HTML, CSS, Javascript, jQuery, PHP, MySQL, phpMyAdmin. I have never used any frameworks like Zend, Magento, etc, and is doing this all from scratch. So far the website is built in an object oriented way, MVC architecture to the best of my abilities, but I have many doubts because I would really want to have this done right. If I have been unclear on some parts please tell me and I'll add more detail. I'm sure I'll have more additional questions later on, if anyone is open to that please tell me. Thanks in advance!

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• Fast, lightweight HTML parser for C++

  - by Jen

  I'm looking for a fast, lightweight open-source HTML parser -- something along the lines of a non-validating SAX parser (except, of course, for HTML). The answers to this question cover a parser that generates a DOM (don't want that), and these answers suggest conforming the HTML to XML before sending it to Xerxes (can't do that in my case). Any suggestions?

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• How to directly store SQLite data in XCode?

  - by Justin

  Hi guys: Searched on here and got some vague answers, so I thought i'd rephrase the problem to get some clearer answers- Right now I have an SQL Lite db that reads/parses information from a pre-formatted .txt file. When I open the app, there is a slight 'lag' as the iDevice parses the info, then gets fetched for the iDevice. I'm just wondering if there's any way to just 'save' all the information directly in the xCode so there's no lag/fetch time? Thank you.

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• resizing UITableView to fit content

  - by MiMo81

  I am creating an app which will have a question in a UILabel and a multiple choice answers displayed in UITableView, each row showing a multiple choice. Questions and answers will vary, so I need this UITableView to be dynamic in height. I would like to find a "sizeToFit" work around for the table. Where the table's frame is set to the height of all it's content. Can anyone advise on how I can achieve this? Thank you.

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• Display formatted text in a window using python

  - by nikolaos

  I make a program in wxpython which displays questions to the user and a radiobox with answers. Questions and answers should be in a database and is formatted text using some mathematics (paranthesis, root squares etc). Could you propose me what widget I should use for such a text and what could be the database? Thanks.

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• pthread and child process data sharing in C

  - by mustafabattal

  hi everyone, my question is somewhat conceptual, how is parent process' data shared with child process created by a "fork()" call or with a thread created by "pthread_create()" for example, are global variables directly passed into child process and if so, does modification on that variable made by child process effect value of it in parent process? i appreciate partial and complete answers in advance, if i'm missing any existing resource, i'm sorry, i've done some search on google but couldn't find good results thanks again for your time and answers

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• How to create expandable FAQ page in HTML?

  - by CSharperWithJava

  I'd like to create an FAQ page for my website that lists all of the questions as hyperlinks. When the link is clicked, the answer for that question should expand out beneath it. The answers need to be hidden by default, and preferably clicking the link toggles the answers' visibility. Any thoughts?

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• How Have You Implemented Open Source Contributions At Your Company?

  - by Travis

  Ok guys, I know others have asked this question in a similar manner in the past, but I want to go beyond the theoretical and find out answers from people who have worked in an environment that relied heavily upon open source technology and never contributed anything back to the open source community, and was able to convince the boss / owner to contribute back to the open source community. I know alot of the standard answers, but I'm looking for some more practical information? What was the key argument, that changed the culture in your company, and how has it changed?

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• any practices ,samples for ERD?

  - by just_name

  Q: I wanna any web sites , any books just for training on ERD and normalization ,, i wanna a lot of samples ,practices,and case studies with recommended answers, to strength myself in database design.and avoid the poor data base design i made . note:i don't need books to explain the concepts , what i need is practices ,examples,case studies with recommended answers. Thanks in advance.

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• specific draggable is above a specific droppable

  - by hopes

  Hi everyone, I am a begginer in JQuery and I want to make a simple matching quiz so I used this code to create the qustions div and answers div The Capital of KSA The Capital of UK The Capital of USA Riyadh London Washington I want to know after submit button is clicked if all accepted draggables are now dragged to the suitable droppables I used this code to make the answers divs draggable and to make them accepted for their questions divs $(function() { $("#a3").draggable(); $("#q3").droppable({ accept: '#a3', }); }); your help will be appreciated :)

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• I'm writing an application that implements a questionnaire. How do I describe this feature.

  - by bellesebastien

  Hi, most online questionnaires today are in the form of several questions on a page and the user submits all the answers at once. The application I'm writing at the moment sends questions one at a time and receives the answers as soon as they are given. How can I describe this characteristic? I feel I'm missing a computer science term. Thanks.

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• Would you hire a developer who doesn't know how to use regular expressions?

  - by Neil

  Would you hire a developer who doesn't know how to use regular expressions? That's about it, please state your reasons for or against, and feel free to give different answers for different situations. Just try to break up your answers if you can.

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