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• To track or not to track user created images for display in a dynamic website?

  - by Question Overflow

  I have a website that allows user to upload and display images. Currently, I am not using a database to track these user images. A folder having the user id as the folder name is created for each user and under each folder, the image files are labelled numerically with filenames ranging from 01.jpg to 20.jpg. Up to 20 such images can be displayed on each user page. I am using javascript to hide these images in case of any of them is absent. I have seen many websites having user images with unique random filenames and possibly tracking these files with a database Since obscurity is not something that I need for these web accessible images, is there any reason why I should track them with a DB? I am not sure if a reduction of 404 errors is a good enough reason to justify the added complexity of maintaining a database or can anyone enlighten me?

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• New Release of Survey webapplication - C# open source

  Published today at http://survey.codeplex.com a new release of the free and open source survey & webform application: Survey v. 1.2.1 Survey is a free web based survey and form engine toolkit for Microsoft .Net. written in asp.net and C#. The open source Survey project is a restart of the former websurvey solution NSurvey.A demosite is available at http://survey.dotnetnukes.nlMore information available at the Survey Community site at http:/www.surveyproject.info ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Oracle RightNow Cloud Service Roadmap - Live Webcast, Nov 13, 6pm CET

  - by Richard Lefebvre

  Did you miss out on Oracle OpenWorld this year? Then make sure you don’t miss out on this Webinar.  The Oracle RightNow development team shares the latest innovations and integrations, including future roadmap, for the Oracle RightNow Service Cloud platform.  Find out how these innovations will help you deliver exceptional customer service to your customers.Join our live Webcast on Wednesday, November 13, 2013, 09:00 a.m. PT / 12:00 p.m. ET (18:00 p.m. CET) to get up to speed with the latest updates and future capabilities, and learn how you can: Provide a more engaging Web experience Increase the effectiveness of assisted service Deliver the right answer at the right time - all the time Agenda Topics How RightNow fits into Oracle's vision for Oracle Service The latest updates to the Oracle RightNow Cloud Service platform Oracle's key investment areas and roadmap for Oracle RightNow Cloud Service Don’t miss this chance to learn how you can delight your customers while improving cost and efficiency.Register Now

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• Is this a valid HTTP response? [migrated]

  - by fatmck

  I am writing a web server using C++, which responds the following for all requests: static std::string rsp[] = { "HTTP/1.1 200 OK\r\n", "Server: WebServer\r\n", "Content-Type: text/html\r\n", "Content-Length: 3\r\n", "Connection: close\r\n", "\r\n", "123" }; the content "123" can be successfully shown in browser. But when I use apache-ab to do a test, ab always show errors like this: ab -n 1 -c 1 http://127.0.0.1:1080/ apr_socket_recv: Connection reset by peer (104) I thought that I'm closing the socket too quickly, so I commented the close() function. But ab just hold, ab seems to be waiting for a complete response.

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• Dynamic Strategy Pattern [migrated]

  - by Karl Barker

  So I'm writing a web service architecture which includes FunctionProvider classes which do the actual processing of requests, and a main Endpoint class which receives and delegates requests to the proper FunctionProvider. I don't know exactly the FunctionProviders available at runtime, so I need to be able to 'register' (if that's the right word) them with my main Endpoint class, and query them to see if they match an incoming request. public class MyFunc implements FunctionProvider{ static { MyEndpoint.register(MyFunc); } public Boolean matchesRequest(Request req){...} public void processRequest(Request req){...} } public class MyEndpoint{ private static ArrayList<FunctionProvider> functions = new ArrayList<FunctionProvider>(); public void register(Class clz){ functions.add(clz); } public void doPost(Request request){ //find the FunctionProvider in functions //matching the request } } I've really not done much reflective Java like this (and the above is likely wrong, but hopefully demonstrates my intentions). What's the nicest way to implement this without getting hacky?

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• The Best Ways For Link Building For New Websites

  Creating a website can be a very interesting and fun activity but you also need to build links so that you can make your website more successful. Building the links helps to make the website more visible and to have more traffic flow. One of the best ways to do this is to create easy and relevant keywords which can be easily remembered so that you can get new readers frequently and you can be able to earn money from the affiliate companies. You should also submit your articles to web directories as this can help you to get hundreds of backlinks which can be very good for your website.

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• How to delete Analytics property from list in Webmaster Tools?

  - by toxalot

  When I look at the Google Analytics Property page in Webmaster Tools (where you associate a Google Analytics web property with a Webmaster Tools site), I see a list of a bunch of properties with weird names. They are test properties from when we were trying things out years ago. I can't view them or change their name in Analytics because they don't exist there. All their profiles were deleted years ago. Is there a way to remove these from the list in Webmaster Tools? Or, alternatively, a way to view them again in Analytics so I can give them a better name, at least. I know this doesn't matter in the big scheme of things, but I hate clutter.

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• best way of rendering more 3D models in three.js that not slow down page?

  - by GDevLearner

  I am in the way of creating a 3D web game using threeJS library. This is a multi-player game that players are 3D human models in game, and I need to add a human 3D model for each player that enters the game. Additionally, I want to animate the humans while they walking, but the problem, here is that adding a 3D model and animating that for each player will slow down the game or maybe cause the browser to crash. question: what is the better way of showing and animating the player's models that will not slow down the game?

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• How can I design multi-threaded application for larger user base

  - by rokonoid

  Here's my scenario, I need to develop a scalable application. My user base may be over 100K, every user has 10 or more small tasks. Tasks check every minute with a third party application through web services, retrieving data which is written in the database, then the data is forwarded to it's original destination. So here's the processing of a small task: while(true){ Boolean isNewInformationAvailable = checkWhetherInformationIsAvailableOrNot(); If(isNewInformationAvailable ==true){ fetchTheData(); writeToDatabase(); findTheDestination(); deliverTheData(); isAvailable =false; } } As the application is large, how should I approach designing this? I'm going to use Java to write it. Should I use concurrency, and how would you manage the concurrency?

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• Visual Studio 2010 HTML5

  - by Renso

  Goal: Enabling HTML5 validation and  IntelliSense for Visual Studio 2010. By default it is set to XHTML 1.1. HTML5 support only came included with SP1 of Visual Studio 2010. However since HTML5 is not an official standard as yet and some of the 30 new elements are not suported in all browsers, so only a subset of the entire HTML5 specification is supported; support for both intellisense and validation for HTML5 with SP1. How to: After installing SP1 you have to tell Visual Studio to start using the HTML5 schema. Go to Tools -> Options, and then select Text Editor -> HTML -> Validation. Select HTML5 or XHTML5 as the target schema. So start building or converting older Visual Studio projects to HTML5 and CSS3 web applications.

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• Generic Content Player?

  - by Jantire

  The general idea on the web appears to be that video/audio are to be separated with plain text. By separated, I mean you have a place that plays video/audio and a place that you read text. This is because it is widely understood that they are vastly different. However, audio and video are just another way of communication, just like text. So why do we separate the two even if they are nearly the same thing? Correct me if I'm wrong but, most tutorials are either plain text how-to's (wiki-style) or visual/auditory instructional videos (YouTube). Why aren't the two combined? Or, if it's already been done can someone reply with the link? This might be bordering off-topic and if it is off-topic then please point me to the right place so it won't be. This might also appear to be an obvious question, however I'm not sure if this subject has really been deeply thought-out by more than a few individuals.

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• Making a calendar tool with Google API. Should I use OAuth Service Account?

  - by Goluxas

  I'm creating a calendar tool for a client. He has his work calendars in a Google account, which I have access to. I'll be using the Google Calendar API for the tool, but I'm new to Google APIs and the OAuth stuff. I'll be using PHP. Do I need to use an OAuth2 Service Account, or should I make a regular OAuth2 Web Application Client ID from that Google account? In case this information is helpful, the tool I will be making will do this: 1) Allow my client to fill out a form which will create a new calendar and populate it with several events. 2) Send out an email to a mailing list twice a week listing changes that have been made to these calendars. I'll also be making a page that displays the iframes for each calendar, so his clients may see them even if they do not have a Google account.

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• why my site cache 2 time par day?

  - by clarawood

  I have read the FAQs and checked for similar issues: YES My site's URL (web address) is: www.adultxdating.com Description (including timeline of any changes made): I have lost my top search listings from last 4 months. I am still working on this but not getting proper guidance. This site is caching 2 times in 24Hrs. Some times sites will back in to top 10 search listing on 100s keywords, some time its gone out 1000+. anybody can help me why its happening. I have more than 200K+ incoming links and updating the site regularly. Please help. Thanks clara wood

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• Microsoft sort en open source NPM.NET, une bibliothèque qui facilite la gestion des modules Node.js dans une application

  Microsoft sort en open source NPM.NET une bibliothèque qui facilite la gestion des modules Node.js dans une application Bonne nouvelle pour les développeurs Node.js qui éprouvent des difficultés pour gérer les différents modules qui sont utilisés dans leurs applications reposant sur la librairie serveur JavaScript. Microsoft vient de publier en open source NPM.NET, une bibliothèque .NET pour le gestionnaire de modules Node.js (NPM). NPM.NET a été développé à la base pour être utilisé dans une extension pour WebMatrix 2, l'environnement de développement Web gratuit de Microsoft tout-en-un. La bibliothèque permet à l'EDI de disposer d'une interface graphique sous fo...

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• khotkey script calling bindings stop to work on switching to Quantal

  - by Adobe

  I have many scripts which I call with khotkey. For example I have a hotkey which executes: bk_starts_or_brings.bash 'Konsole' konsole On updating to Quantal -- it stops to work: if I call that key -- it searches bk_starts_or_brings.bash 'Konsole' konsole in google in default web-browser. I tried: sudo apt-get install --reinstall libgl1-mesa-glx libgl1-mesa-dri xserver-xorg-core sudo dpkg-reconfigure xserver-xorg sudo apt-get install build-essential cdbs dh-make dkms execstack dh-modaliases fakeroot libqtgui4 When I start the command from konsole -- it works as expected, but when I call it with khotkey -- it doesn't. I guess someone shadows my keybiding. Or some daemon is not run on startup.

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• La version finale de Chrome OS sortira à l'automne 2010, le système révolutionnera-t-il le marché de

  Mise à jour du 03.06.2010 par Katleen La version finale de Chrome OS sortira à l'automne 2010, le système révolutionnera-t-il le marché des applications web ? Google vient de donner des nouvelles de son futur système d'exploitation maison : Chrome OS. En cours de développement, sa version finale devrait être disponible au cours du quatrième trimestre 2010. Les premiers ordinateurs équipés de l'OS devraient donc arriver cet automne dans les boutiques. Le système étant basé sur Linux, il sera vraisemblablement distribué gratuitement à l'instar des autres distributions. Cependant, il se peut que seuls les machines d'une liste établie par Google soient gratifiés de pilotes les rendant totalement compatib...

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• Sortie de la version 0.8 du serveur de mapping D2RQ supportant SPARQL 1.1 et de nouvelles bases relationnelles

  Nouvelle version de D2RQ Aujourd'hui est sortie la nouvelle version 0.8 du serveur de mapping D2RQ. L'outil recommande au minimum Java 5 pour fonctionner et est disponible sur son site officiel. D2RQ permet d'exposer des données relationnelles contenues dans des SGBD classiques (MySQL, Oracle, PostgreSQL, SQL Server, etc.) en tant que données liées sur le Web de données. D2RQ a pris son envol depuis environ trois semaines avec la forte participation au projet du groupe pharmaceutique UCB. La société biopharmaceutique UCB est axée sur la découverte et le...

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• Ubuntu server and services

  - by Vicenç Gascó

  I've been using Linux+Plesk Virtual Server as a web server for a while, but I want to give a try on doing it manually, so my question is: I'll have a server which is: 80GB HDD, 4GB RAM, 1TB Bandwith, 1 Dedicated IP. And I use the following things on my Virtual nowadays: Mail server DNS server Apache + PHP 5.5 + MySQL FTP SSH My question is, without Plesk, can I achieve manually all those functionalities -know that I am not a terminal pro-, actually upgrading some of them to look like that with ubuntu server?: Mail server (with a nice webmail included) DNS server nginx + PHP 5.5 + MySQL + MongoDB FTP + SFTP SSH GIT Server Which ubuntu server should I chose? [EDIT] I almost forgot, I'd like to know how much Bandwith and CPU is using each of my webapps (one per domain usually), and the overall (not just from the webapps, but also mail, dns, etc...) ... usually Plesk does that for me, and I don't know how to measure that without it!

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• Google veut stopper la conversion des vidéos YouTube en MP3, la société menace de poursuivre en justice les sites offrant ce service

  Google veut stopper la conversion des vidéos YouTube en MP3, la société menace de poursuivre en justice les sites offrant ce service Google s'attaque aux services de conversion gratuite des streaming YouTube en MP3. Le géant de la recherche a envoyé une lettre de mise en demeure aux sites de conversion YouTube-mp3.org et Music-Clips.net, menaçant ceux-ci de poursuites en justice au cas où ils ne cesseraient pas leur activité. En effet, des dizaines de sites Web offrent des services en ligne, permettant de convertir des vidéos YouTube en MP3, en renseignant uniquement l'URL de la vidéo YouTube. Ces services, qui jouissent d'une certaine popularité, sont utili...

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• Where to start when digging into an existing J2EE codebase?

  - by Jacob Krustchinsky

  I work for a company that produces enterprise applications to be used by schools and districts to manage all of their tests and standards data. Their existing application is written in J2EE and is very large. I personally am a seasoned PHP and Ruby = RoR developer and I have been asked to attempt to implement easily added but crucial features to an existing J2EE codebase. I am very familiar with Java SE and know the architecture of a web application well. What I am asking for is, will this suffice for the task ahead and what tips can you give me in digging into the code base and actually efficiently adding these new features? Is there anything important I need to know before beginning and what can I expect in terms of problems and issues coming from a Java SE, PHP, RoR background? Time isn't too much of an issue, I should have plenty of time to familiarize myself with J2EE.Please also note, syntax will not be a problem here.

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• Ask the Readers: How Do You Find Your Next Book?

  - by Jason Fitzpatrick

  It’s never been easier to find book reviews, recommendations, and comparisons; tools which are more necessary than ever thanks to the increasing number of new titles on the market. This week we want to hear all about your techniques for picking your next book. Whether you consult the New York Times best seller list, pore over Amazon book reviews, use a book suggestion engine, or just buy whatever the local book store has on the end-cap display that month, we want to hear about your system for finding new books. Sound off in the comments with your technique (bonus points for including links to any services or sites you use) and then check back on Friday for the What You Said roundup to see how your fellow readers fill their book bags. Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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• Quels bénéfices pour une entreprise d'investir pour proposer un webmail, alors que ces services rapportent très peu d'argent ?

  Les webmails rapportent très peu d'argent, quel bénéfice alors pour une entreprise d'investir pour proposer ce type de service ? Les plus grandes entreprises du Web investissent de grandes sommes dans des services de webmail qu'elles offrent ensuite gracieusement à leurs utilisateurs. Microsoft a Hotmail, Google a Gmail, Yahoo a Yahoo Mail et Facebook est en train de développer son propre client de messagerie. Pourtant, de tels services, très coûteux, ne rapportent que très peu en retour., voir rien du tout. De plus, leur évolution est plutôt calme. Le peu qu'ils rapportent en publicité ne permet pas de financer de grands changements, et, de plus, dès qu'une modification est faite, le public ne manque ...

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• How do you learn to effectively use more than one framework

  - by LongTTH

  Someday, my leader told me that don't reinvent the wheels, use framework built-in classes. (with a serious mood) when I implement some algorithm has been supported by .NET fx. And seriously, I didn't know about these support before, cause this is the first time I work with .NET). So I have this questions. For example, for building an Web-App we have some ways: C# with ASP.NET framework Java with JavaEE (and friends like Struts, Spring v.v.) framework. PHP with Zend framework. ... It just takes about 1 months to learn language (C#, Java, PHP...), BUT learning to use a framework effectively takes you at least SOME YEARS working (to know every bit of code has been built-in). So, how do you learn to use effectively 2 (or more) frameworks? Any ideas are welcome!

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• Google sort GWT 2.2 et met à jour son plug-in pour Eclipse : support de l'HTML5 et meilleure intégration avec Google App Engine

  Google sort GWT 2.2 et met à jour son plug-in pour Eclipse Support de l'HTML5 et meilleure intégration avec Google App Engine au menu Google vient de lancer la version 2.2 de Google Web Tools (GWT) et une nouvelle version de son Google Plugin pour Eclipse. GWT 2.2 intègre de nombreuses nouveautés liées notamment au HTML5, comme l'intégration de l'élément Canvas pour le rendu graphique 2D, et des balises audio et vidéo. On remarquera des API qui sont pour Chris Ramsdale de l'équipe de GWT, « encore expérimentales, qui peuvent changer légèrement sur les deux prochaines versions », mais qu'il estime assez stables pour mériter le détour. Autre nouveauté n...

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• WAV and MP3 Streaming with ASP.Net and C#

  In this programming tutorial you will learn how to stream WAV and MP3 audio files in ASP.NET 3.5 using the C# server side language. This is particularly useful for music websites that are based on the ASP.NET 3.5 platform. The examples used in this article are tested to work on any major browser including Internet Explorer Chrome and Firefox. The scripts are tested on a Windows XP operating system using Visual Web Developer Express. For convenience an actual working example can be downloaded at the end of this tutorial. Finally this tutorial also highlights the use of the Google Flash player when streaming MP3s.... Autodesk? Inventor? Test Drive Autodesk? Inventor?. Download A Free 30-Day Trial Today.

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