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• CodePlex Daily Summary for Saturday, July 20, 2013

  CodePlex Daily Summary for Saturday, July 20, 2013Popular ReleasesC# Intellisense for Notepad++: Initial release: Members auto-complete Integration with native Notepad++ Auto-Completion Auto "open bracket" for methods Right-arrow to accept suggestions51Degrees.mobi - Mobile Device Detection and Redirection: 2.1.19.4: One Click Install from NuGet This release introduces the 51Degrees.mobi IIS Vary Header Fix. When Compression and Caching is used in IIS, the Vary header is overwritten, making intelligent caching with dynamic content impossible. Find out more about installing the Vary Header fix. Changes to Version 2.1.19.4Handlers now have a ‘Count’ property. This is an integer value that shows how many devices in the dataset that use that handler. Provider.cs -> GetDeviceInfoByID to address a problem w...SalarDbCodeGenerator: SalarDbCodeGenerator v2.1.2013.0719: Version 2.1.2013.0719 2013/7/19 Pattern Changes: * DapperContext pattern is added. * All patterns are updated to work with one-to-one relations. Changes: * One-to-one relation is supported. * Minor bug fixes.Player Framework by Microsoft: Player Framework for Windows and WP (v1.3 beta 2): Includes all changes in v1.3 beta 1 Additional support for Windows 8.1 Preview New API (JS): addTextTrack New API (JS): msKeys New API (JS): msPlayToPreferredSourceUri New API (JS): msSetMediaKeys New API (JS): onmsneedkey New API (Xaml): SetMediaStreamSource method New API (Xaml): Stretch property New API (Xaml): StretchChanged event New API (Xaml): AreTransportControlsEnabled property New API (Xaml): IsFullWindow property New API (Xaml): PlayToPreferredSourceUri proper...Outlook 2013 Add-In: Multiple Calendars: As per popular request, this new version includes: - Support for multiple calendars. This can be enabled in the configuration by choosing which ones to show/hide appointments from. In some cases (public folders) it may time out and crash, and so far it only supports "My Calendars", so not shared ones yet. Also they're currently shown in the same font/color so there are no confusions with color categories, but please drop me a line on any suggestions you'd like to see implemented. - Added fri...Circuit Diagram: Circuit Diagram 2.0 Beta 2: New in this release: Show grid in editor Cut/copy/paste support Bug fixesCommunity TFS Build Extensions: July 2013: The July 2013 release contains VS2010 Activities(target .NET 4.0) VS2012 Activities (target .NET 4.5) VS2013 Activities (target .NET 4.5.1) Community TFS Build Manager VS2012 The Community TFS Build Manager can also be found in the Visual Studio Gallery here where updates will first become available. A version supporting VS2010 is also available in the Gallery here.DaRenamer: Renamer 2.1.0.5: Version 2.1.0.5 -fixed minor bugInstall Verify Tool: Install Verify Tool V 1.0: Win Service Web Service Win Service Client Web Service ClientOrchard Project: Orchard 1.7 RC: Planning releasedTerminals: Version 3.1 - Release: Changes since version 3.0:15992 Unified usage of icons in user interface Added context menu in Organize favorites grid Fixed:34219 34210 34223 33981 34209 Install notes:No changes in database (use database from release 3.0) No upgrade of configuration, passwords, credentials or favorites See also upgrade notes for release 3.0PMU Connection Tester: PMU Connection Tester v4.4.0: This is the current release build of the PMU Connection Tester, version 4.4.0 This version of the connection tester was released with openPDC 1.5 SP1 and openPDC 2.0 BETA. This application requires that .NET 4.0 already be installed on your system. Note this is the last release of the PMU Connection Tester that will built on .NET 4.0 using the TVA Code Library and the Time-series Framework. Future releases of the PMU Connection Tester will be built on .NET 4.5 (or later) using the Grid Sol...HiUpdateTools - easy publish and update your app: HiUpdateTools Add-in 1.0.0.5: - Generate ClientConfig.xml and adding to the project - Set ClientConfig.xml option "CopyToOutputDirectory"= Copy if newer - Fix client path not ending the backslash - Add Client assembly to VSX package - On first use, the tool is added to the reference to the client assembly - Fix client application - Multi-instance application - Run single instance of update applicationopen gaze and mouse analyzer: Ogama 4.4 BETA: This beta was published on 16.07.2013 and includes fixes and improvements since last 4.3 release, mainly in the recording section which solves problems with tobii and mirametrix devices, see the source code tab for details. Please test it, if you have one of this devices and give me feedback using the issue tracker or discussion tabs. Don´t forget to install .Net 4 framework and SQL Express before installing Ogama. When using Tobii tracking devices, you have to install apple bonjour also. On...SpaceFlight: SpaceFlight_v1.1: Added VCRedist.exe , run this first if you get the "MSVCP100.dll is missing" issueAdvanced Resource Tab for Blend: Advanced Resource Tab 2.0: Added filtering of (sub)-resource items and collapsing / expanding of all resource dictionaries.Media Companion: Media Companion MC3.573b: XBMC Link - Let MC update your XBMC Library Fixes in place, Enjoy the XBMC Link function Well, Phil's been busy in the background, and come up with a Great new feature for Media Companion. Currently only implemented for movies. Once we're happy that's working with no issues, we'll extend the functionality to include TV shows. All the help for this is build into the application. Go to General Preferences - XBMC Link for details. Help us make it better* Currently only tested on local and ...Wsus Package Publisher: Release v1.2.1307.15: Fix a bug where WPP crash if 'ShowPendingUpdates' is start with wrong credentials. Fix a bug where WPP crash if ArrivalDateAfter and ArrivalDateBefore is equal in the ComputerView. Add a filter in the ComputerView. (Thanks to NorbertFe for this feature request) Add an option, when right-clicking on a computer, you can ask for display the current logon user of the remote computer. Add an option in settings to choose if WPP ping remote computers using IPv4, IPv6 or IPv6 and, if fail, IP...Lab Of Things: vBeta1: Initial release of LoTVidCoder: 1.4.23: New in 1.4.23 Added French translation. Fixed non-x264 video encoders not sticking in video tab. New in 1.4 Updated HandBrake core to 0.9.9 Blu-ray subtitle (PGS) support Additional framerates: 30, 50, 59.94, 60 Additional sample rates: 8, 11.025, 12 and 16 kHz Additional higher bitrates for audio Same as Source Constant Framerate 24-bit FLAC encoding Added Windows Phone 8 and Apple TV 3 presets Introduced process isolation for encodes. Now if HandBrake crashes, VidCoder will ...New ProjectsAIDE (Automata-Identification Engine): AIDE is a automata-identification engine.CalligraphyMVVM: MVVM Calligraphy Windows Phone, Web ASP.NET MVCCentrify DirectControl PowerShell Module: The Centrify DirectControl PowerShell Module is based on Centrify API to give management control on Centrify data store into Active Directory.Cleveland Free Clinic: Cleveland Free Clinicfacebook???????????: facebook????????????????????Functional Reach: A Microsoft Kinect activity that using skeletal tracking to run a randomized stretching activity for patients that have prescribed home exercises for stroke.HR Project: This is a HR Project for Place company.OfflineBrowser: Offline browser for jw.org.ricerca-docs: Sphinx documentation for ricerca.Sample EventAgregator: Sample EventAgregator This is an example of using EventAgregator on WinRT / Windows 8 with the C # programming language. EventAgregator itself is part of PrismSMSGateWay: CMPP,SGIP,SMGP ????SP?? ??,????,?????,???. ??????,????,?????,????......?????,????? ????SPID ,MsgSrc,???,???IP,?????? ?????,?????,??,????vimrc file: vimrc file

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• How to manage Areas/Levels in an RPG?

  - by Hexlan

  I'm working on an RPG and I'm trying to figure out how to manage the different levels/areas in the game. Currently I create a new state (source file) for every area, defining its unique aspects. My concern is that as the game grows the number of class files will become unmanageable with all the towns, houses, shops, dungeons, etc. that I need to keep track of. I would also prefer to separate my levels from the source code because non-programmer members of the team will be creating levels, and I would like the engine to be as free from game specific code as possible. I'm thinking of creating a class that provides all the functions that will be the same between all the levels/areas with a unique member variable that can be used to look up level specifics from data. This way I only need to define level/area once in the code, but can create multiple instances each with its own unique aspects provided by data. Is this a good way to go about solving the issue? Is there a better way to handle a growing number of levels?

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• How to make Google recognize language for a multilingual website?

  - by Julien Fouilhé

  Few weeks ago, I implemented translation functionality for the website of my company. The website is now available in french and english and I did look on the internet the best way to do if we want to do not lose any ranking and to have our pages on Google. Here is what I did: I did set a response header: Content-Language:en and Content-Language:fr My URLs are formatted as: http://www.website.com/en/... and http://www.website.com/fr/... My html tag is set with a lang attribute: <html lang="en"> and <html lang="fr"> There is a <link rel="alternate" hreflang="en" href="EnglishPageUrl"> on french pages and a <link rel="alternate" hreflang="en" href="frenchPageUrl"> on english pages. But Google keeps referring to some english pages when I'm doing a search on french engine, knowing that the website was first only available in english. Is that normal? Do I have to wait still, it has been now almost one month, I thought it would be okay...? Thank you.

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• SEO and links content

  - by AntonAL

  For usability purposes, entire article thumbnail is wrapped to a link. <a href="/some_article"> <h2>Article title</h2> <div class="summary">Lorem ipsum dolor sit amet</div> </a> User needs to click on any place of a thumb and it will be redirected to article. Does this approach have some negative effect to SEO ? Another question: What is more valueable for Search Engine ? Just a link to article in articles list <a href="/article1">Article 1</a> <a href="/article2">Article 2</a> <a href="/article3">Article 3</a> Or h2, wrapped to link: <a href="/article1"><h2>Article 1</h2></a> <a href="/article2"><h2>Article 2</h2></a> <a href="/article3"><h2>Article 3</h2></a>

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• Oracle NoSQL Database: Cleaner Performance

  - by Charles Lamb

  In an earlier post I noted that Berkeley DB Java Edition cleaner performance had improved significantly in release 5.x. From an Oracle NoSQL Database point of view, this is important because Berkeley DB Java Edition is the core storage engine for Oracle NoSQL Database. Many contemporary NoSQL Databases utilize log based (i.e. append-only) storage systems and it is well-understood that these architectures also require a "cleaning" or "compaction" mechanism (effectively a garbage collector) to free up unused space. 10 years ago when we set out to write a new Berkeley DB storage architecture for the BDB Java Edition ("JE") we knew that the corresponding compaction mechanism would take years to perfect. "Cleaning", or GC, is a hard problem to solve and it has taken all of those years of experience, bug fixes, tuning exercises, user deployment, and user feedback to bring it to the mature point it is at today. Reports like Vinoth Chandar's where he observes a 20x improvement validate the maturity of JE's cleaner. Cleaner performance has a direct impact on predictability and throughput in Oracle NoSQL Database. A cleaner that is too aggressive will consume too many resources and negatively affect system throughput. A cleaner that is not aggressive enough will allow the disk storage to become inefficient over time. It has to Work well out of the box, and Needs to be configurable so that customers can tune it for their specific workloads and requirements. The JE Cleaner has been field tested in production for many years managing instances with hundreds of GBs to TBs of data. The maturity of the cleaner and the entire underlying JE storage system is one of the key advantages that Oracle NoSQL Database brings to the table -- we haven't had to reinvent the wheel.

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• Offset Forward vector of object based on Rotation

  - by Taylor

  I'm using the Bullet 3D physics engine in a iOS application running openGL ES 1.1 Currently I'm accepting info from the gyroscope to allow the user to "look around" a 3d world that follows a bouncing ball (note: it only takes in the yaw to look around 360 degrees). Im also accepting information from the accelerometer based on the tilt to push the ball. As of right now, to move forward, the user tilts the devise forward (using the accelerometer); to move to the right, the user tilts the devise to the right and so on. The forward vector is currently along it's local Z-axis. The problem is that I want to change the ball bounce based on where the user has changed the view. If I change the view, the ball bounces in the fixed direction. I want to change the forward facing direction so that when a user changes the view (say to the look at the right of the world, the user rotates the device), tilting the devise forward will result in a forward force in that direction. Basically, I want the forward vector to take the rotation into consideration. Sorry if I didn't explain the issue well enough, its kind of confusing to write down.

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• Java Magazine: Growing on Open

  - by Tori Wieldt

  The November/December issue of Java Magazine is now out, with several great Java stories, including: Growing on Open AgroSense provides an all-Java open source platform for sustainable farming and precision agriculture. An Engine for Big Data Hadoop uses Java for large-scale analytics. JavaFX in SpringStephen Chin shows you why to use the Spring framework on the client. JCP Executive Q&A: Mike MilinkovichThe Eclipse Foundation’s executive director assesses the state of Java and the JCP. Exploring Lambda Expressions for the Java Language and the JVMBen Evans, Martijn Verburg, and Trisha Gee help you get ready for lambda expressions in Java SE 8. Get Started with Java SE for Embedded Devices on Raspberry PiWe walk you through getting Linux and Java SE for Embedded Devices to run on the Raspberry Pi in less than an hour. Java NationGet the news from JavaOne 2012 in San Francisco. Java Magazine is a bi-monthly online publication. It includes technical articles on the Java language and platform; Java innovations and innovators; JUG and JCP news; Java events; links to online Java communities; and videos and multimedia demos. Subscriptions are free. Do you have feedback about Java Magazine? Send a tweet to @oraclejavamag.

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• How to customize web-app (pages and UI) for different customers

  - by demoncodemonkey

  We have an ASP.NET web-application which has become difficult to maintain, and I'm looking for ideas on how to redesign it. It's an employee administration system which can be highly customized for each of our customers. Let me explain how it works now: On the default page we have a menu where a user can select a task, such as Create Employee or View Timesheet. I'll use Create Employee as an example. When a user selects Create Employee from the menu, an ASPX page is loaded which contains a dynamically loaded usercontrol for the selected menuitem, e.g. for Create Employee this would be AddEmployee.ascx If the user clicks Save on the control, it navigates to the default page. Some menuitems involve multiple steps, so if the user clicks Next on a multi-step flow then it will navigate to the next page in the flow, and so on until it reaches the final step, where clicking Save navigates to the default page. Some customers may require an extra step in the Create Employee flow (e.g. SecurityClearance.ascx) but others may not. Different customers may use the same ASCX usercontrol, so in the AddEmployee.OnInit we can customize the fields for that customer, i.e. making certain fields hidden or readonly or mandatory. The following things are customizable per customer: Menu items Steps in each flow (ascx control names) Hidden fields in each ascx Mandatory fields in each ascx Rules relating to each ascx, which allows certain logic to be used in the code for that customer The customizations are held in a huge XML file per customer, which could be 7500 lines long. Is there any framework or rules-engine that we could use to customize our application in this way? How do other applications manage customizations per customer?

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• What is the simplest way to render video into memory (for drawing to a texture) in .NET?

  - by sebf

  In my project I would like to be able to play back video on surfaces in the world. I intend to do this by having the video frames rendered to a block of memory, then use this to update a texture each frame. Everything is in place - except for the part that actually gets the video. I have looked on Google and found that the video library world is very expansive (and geared towards video processing), and am having trouble finding a suitable one. FFMpeg is very comprehensive, but is an entire suite and would take a good amount of work to integrate. So far the most promising library I've found is the one based on the VLC player libraries - by virtue of it using the same resources as VLC Player it is known to be very capable; it also renders to blocks of memory, but the API (at least of the one on Codeplex) is more of a port of the C++ API rather than a managed wrapper. The 'solution' can be any wrapper/API/library, but with characteristics that make it suitable for use in a rendering engine, namely: Renders the video frame data to memory, so it can be picked up and passed to a texture on the GPU easily. Super simple - all that is needed is a way to load, jump and render a frame programatically - ideally it would use the systems codecs and not require an assortment of plugins. Permissive license (LGPL or more free-er) .NET bindings at least; all the better if it is natively managed Can anyone suggest a lightweight, (.NET) library, that can take a video file, and spit out some frames into a byte[]?

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• How to implement "bullet time" in a multiplayer game?

  - by Tom

  I have never seen such a feature before, but it should provide an interesting gameplay opportunity. So yes, in a multiplayer/real-time environment (imagine FPS), how could I implement a slow motion/bullet time effect? Something like an illusion for the player that's currently slo-mo'ed. So everybody sees him "real-time", but he sees everything slowed down. Update A sidenote: keep in mind that a FPS game has to be balanced in order for it to be fun. So yes, this bullet time feature has to be solid, giving a small advantage to the "player", while not taking away from other players. Plus, there is a possibility that two players could activate their bullet time at the same time. Furthermore: I'm going to implement this in the future no matter what it takes. And, the idea is to build a whole new game engine for all this. If that gives new options, I'm more then interested in hearing the ideas. Meanwhile, here with my team we're thinking about this too, when our theory will be crafted, I'm going to share it here. Is this even possible? So, the question on "is this even possible" has been answered, now it's time to find the best solution. I'm keeping the "answer" until something exceptionally good comes up, like a prototype theory with something close to working pseudo code.

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• Advice on designing web application with a 40+ year lifetime

  - by user2708395

  Scenario Currently, I am apart of a health care project whose main requirement is to capture data with unknown attributes using user generated forms by health care providers. The second requirement is that data integrity is key and that the application will be used for 40+ years. We are currently migrating the client's data from the past 40 years from various sources (Paper, Excel, Access, etc...) to the database. Future requirements are: Workflow management of forms Schedule management of forms Security/Role based management Reporting engine Mobile/Tablet support Situation Only 6 months in, the current (contracted) architect/senior programmer has taken the "fast" approach and has designed a poor system. The database is not normalized, the code is coupled, the tiers have no dedicated purpose and data is starting to go missing since he has designed some beans to perform "deletes" on the database. The code base is extremely bloated and there are jobs just to synchronize data since the database is not normalized. His approach has been to rely on backup jobs to restore missing data and doesn't seem to believe in re-factoring. Having presented my findings to the PM, the architect will be removed when his contract ends. I have been given the task to re-architect this application. My team consists of me and one junior programmer. We have no other resources. We have been granted a 6-month requirement freeze in which we can focus on re-building this system. I suggested using a CMS system like Drupal, but for policy reasons at the client's organization, the system must be built from scratch. This is the first time that I will be designing a system with a 40+ lifespan. I have only worked on projects with 3-5 year lifespans, so this situation is very new, yet exciting. Questions What design considerations will make the system more "future proof"? What experiences have you had in designing such systems - both failures and successes? What questions should be asked to the client/PM to make the system more "future proof"?

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• Entity system in Lua, communication with C++ and level editor. Need advice.

  - by Notbad

  Hi!, I know this is a really difficult subject. I have been reading a lot this days about Entity systems, etc... And now I'm ready to ask some questions (if you don't mind answering them) because I'm really messed. First of all, I have a 2D basic editor written in Qt, and I'm in the process of adding entitiy edition. I want the editor to be able to receive RTTI information from entities to change properties, create some logic being able to link published events to published actions (Ex:A level activate event throws a door open action), etc... Because all of this I guess my entity system should be written in scripting, in my case Lua. In the other hand I want to use a component based design for my entities, and here starts my questions: 1) Should I define my componentes en C++? If I do this en C++ won't I loose all the RTTI information I want for my editor?. In the other hand, I use box2d for physics, if I define all my components in script won't it be a lot of work to expose third party libs to lua? 2) Where should I place the messa system for my game engine? Lua? C++?. I'm tempted to just have C++ object to behave as servers, offering services to lua business logic. Things like physics system, rendering system, input system, World class, etc... And for all the other things, lua. Creation/Composition of entities based on components, game logic, etc... Could anyone give any insight on how to accomplish this? And what aproach is better?. Thanks in advance, HexDump.

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• Precise: Evolution laggy due to IMAP -profile or due to some odd Sync -issue?

  - by Izzy

  I'm fighting with Evolution. Basically it's working fine -- but it is very slow to react in certain situations. There is apparently some problem with syncing and IMAP. Helper questios Could be that changing away from Bonobo has to do with slowing-down? There might be some trouble with the new engine and "asynchronous actions". What to do about it? I want to get the previous "working mood" back. How can I speed this thing up? Different scenarios when sending a mail, the composer window hangs there inactive for a couple of seconds, everything grayed out. Though there is a green check mark saying it's sent, I'm not sure a) why it's still blocking everything and b) whether I could simply close it without "breaking"/"losing" anything. In earlier versions, the composer window was closing pretty fast, and one could see the message being stored into the local "outbox" until it was sent, and one could immediately continue with the next task. I prefer that behaviour over the current. switching between modules. Coming from mail and switching to the address book takes a couple of seconds. Same for switching to the calendar. I read about different "possible causes" and tried a few things: I only have 3 local address books, so no networking should be involved here. To make sure, I switched to offline mode and then tried to access the address book. No noticeable difference. I use 3 Google Calendars. Switching to offline mode made a minor difference, but so minor that it also could be "imagination" since one might have expected this in this case according to some reports, disabling the tasks should help. Well, it didn't in my case, as I don't use them regularly (just two local items stored here)

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• Could these people get arrested? [closed]

  - by Vinicius Horta

  I have seen many of what is called 'private servers' mmorpg (multiplayer online games), which uses stolen sources,modified executable, clients and server. People launch up their own server using VPS or dedicated server and distribute online service among players disclaiming it has educational purposes only, saying they are studying the game engine and selling items for players disclaming it as 'donations', so it seems like they are getting donations to keep studying. We all know it's a comercial method. All of it is copyrighted material from enterprise ABCD. (ABCD = Fictional name, I'm not mentioning names). At their website they include the following: "Private Server XXXX" does not allow/support any conection to any company/organization associated with the game "XXXX". If you are anyway affiliated with enterprise "XXXXXXX", or any other company/organization associated with the game "XXXX" you may not view/open/read/execute/play/download any part of "Private Server XXXX" nor view "Private Server XXXX" website, if any company/organization requests you to investigate our website/server, you may not view "Private SERVER XXXX" or execute any action mentioned above. Any person caught disobeting this disclaimer will be punish to the fulleste extent of law. Can this guys get arrested? Do they disclaimer works? If I'm owner of enterprise X and I know people stole my source and are using them but they have such disclaimer I'm not allowed to investigate them?

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• Most suited technology for browser games?

  - by Tingle

  I was thinking about making a 2D MMO which I would in the long run support on various plattforms like desktop, mac, browser, android and ios. The server will be c++/linux based and the first client would go in the browser. So I have done some research and found that webgl and flash 11 support hardware accelerated rendering, I saw some other things like normal HTML5 painting. So my question is, which technology should I use for such a project? My main goal would be that the users have a hassle free experience using what there hardware can give them with hardware acceleration. And the client should work on the most basic out-of-the-box pc's that any casual pc or mac user has. And another criteria would be that it should be developer friendly. I've messed with webgl abit for example and that would require writing a engine from scratch - which is acceptable but not preferred. Also, in case of non-actionscript, which kind language is most prefered in terms of speed and flexability. I'm not to fond of javascript due to the garbage collector but have learned to work around it. Thank you for you time.

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• Multilingual sites and Google search results, using sub-folders for language

  - by AWinter

  About three months ago we added an English version of our, previously Japanese only, site under the subfolder /en/ we've tried to follow the sometimes incomplete best practices laid out by Google by adding alternate tags to all pages that are currently translated. The top page for instance has the following meta tags for language. <link rel="canonical" href="/"> <link rel="alternate" hreflang="ja" href="/"> <link rel="alternate" hreflang="en" href="/en/"> While the English main page under /en/ has <link rel="canonical" href="/en/"> <link rel="alternate" hreflang="ja" href="/"> <link rel="alternate" hreflang="en" href="/en/"> Alternate languages are setup in the sitemap. (as per Google's recommendations) It seems however that Google absolutely refuses to show the English top page in results when the user is using English at google.com if you search you'll, as of this post, get the Japanese description and a title that Google has apparently invented instead of the title and description in the meta-tags for the /en/ index page. Does anyone have any experience with subfolders actually working to affect search results? What are the best practices for ensuring that the correct language version of my website is displayed through Google and other search engines? And how long will it take before the new language version becomes prominent in search engine results?

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• Hosting and scaling of a facebook application on cloud?

  - by DhruvPathak

  We would be building a facebook application in django(Python), but still not sure of where to host it economically,and with a good provision to scale in case the app gets viral. Some details about the app: i) Would be HTML based like a website,using django as a framework. ii) 100K is the number of expected pageviews in a day,if the app is viral. iii) The users will not generate any media content,only some database data will be generated by them. It would be great if someone with more experience can guide on following points: A) Hosting on google app engine or Amazon EC2 or some other cloud like RackSpace : Preferable points found in AppEngine were ease of deployment,cost effectiveness and easy scaling. For EC2: Full hold of the virtual machine,Amazon NoSQL and RDMBS database services in case we decide to use them. B) Does backend technology affect monthly cost ? eg. would CPU and memory usage difference of Django over , for example , PHP framework like CodeIgnitor really make remarkable difference in running costs. ( Here is the article that triggered this thought process : http://journal.dedasys.com/2010/01/12/rough-estimates-of-the-dollar-cost-of-scaling-web-platforms-part-i#comments) C) Does something like Heroku , which provides additional services over Amazon EC2, prove to be better than raw cloud management ? It is not that we are trying for premature scaling, we just want to have a good start so that we are ready to handle unpredicted growth and scale.

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• World Location issues with camera and particle

  - by Joe Weeks

  I have a bit of a strange question, I am adapting the existing code base including the tile engine as per the book: XNA 4.0 Game Development by example by Kurt Jaegers, particularly the aspect that I am working on is the part about the 2D platformer in the last couple of chapters. I am creating a platformer which has a scrolling screen (similar to an old school screen chase), I originally did not have any problems with this aspect as it is simply a case of updating the camera position on the X axis with game time, however I have since added a particle system to allow the players to fire weapons. This particle shot is updated via the world position, I have translated everything correctly in terms of the world position when the collisions are checked. The crux of the problem is that the collisions only work once the screen is static, whilst the camera is moving to follow the player, the collisions are offset and are hitting blocks that are no longer there. My collision for particles is as follows (There are two vertical and horizontal): protected override Vector2 horizontalCollisionTest(Vector2 moveAmount) { if (moveAmount.X == 0) return moveAmount; Rectangle afterMoveRect = CollisionRectangle; afterMoveRect.Offset((int)moveAmount.X, 0); Vector2 corner1, corner2; // new particle world alignment code. afterMoveRect = Camera.ScreenToWorld(afterMoveRect); // end. if (moveAmount.X < 0) { corner1 = new Vector2(afterMoveRect.Left, afterMoveRect.Top + 1); corner2 = new Vector2(afterMoveRect.Left, afterMoveRect.Bottom - 1); } else { corner1 = new Vector2(afterMoveRect.Right, afterMoveRect.Top + 1); corner2 = new Vector2(afterMoveRect.Right, afterMoveRect.Bottom - 1); } Vector2 mapCell1 = TileMap.GetCellByPixel(corner1); Vector2 mapCell2 = TileMap.GetCellByPixel(corner2); if (!TileMap.CellIsPassable(mapCell1) || !TileMap.CellIsPassable(mapCell2)) { moveAmount.X = 0; velocity.X = 0; } return moveAmount; } And the camera is pretty much the same as the one in the book... with this added (as an early test). public static void Update(GameTime gameTime) { position.X += 1; }

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• SEO and external sites that serve responsive images (like Re-SRC)

  - by Baumr

  Re-SRC is a tool that allows you to automatically serve responsive images for your website from their cloud servers. It delivers a new image file each time the browser window (viewport) is resized. To use it in your HTML when linking to an image, you would do the following: <img src="http://app.resrc.it//www.your-domain.com/img/img001.jpg"/> Some more background for SEO considerations: As an example, looking at their demo page's code, the src of the Arc de Triomphe photo — when the browser window is resized to be at a tablet-width — shows this particular file at it's widest. It is found under the following URL: http://app4-uk.resrc.it/s=w560,pd1/ro=h//www.resrc.it/img/demo/demo-image-1.jpg If the viewport is increased to desktop-width, then a smaller image is served in line with the design; see this URL: http://app4-uk.resrc.it/s=w320,pd1/ro=h//www.resrc.it/img/demo/demo-image-1.jpg If I change the viewport to be about half-way between those two, then the image's URL is: http://app4-uk.resrc.it/s=w240,pd1/ro=h//www.resrc.it/img/demo/demo-image-1.jpg In other words, I found that there is a separate file for every 10-pixel increment of the image width. Very cool for saving bandwidth on mobile devices and service responsive/retina images on others, but... Here are two problems I see for SEO: The img on your site, part of your semantic markup, will not be hosted on your site at all, or even a server you control. Any links to these images will pass on "link juice" to Re-SRC's site instead. You are serving a vast array of different image files to different people — some may link to one, others to another size. Then there's the question of what different search engine crawlers will see. Also: There seems to be no fallback option if their servers are down. Do you see any other concerns? Or, perhaps, do you not see those as concerns?

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• How can I choose a Webapp UI Design/dev collaborative tool?

  - by Cheeso

  I am working with a team that's building a webapp for internal use in an enterprise. It's basically a workflow app at heart, where there's a single "request". Each request flows through various stages, and at each stage, there's a person or role that is responsible for moving the request to the next stage. "Moving" the request to the next stage might involve adding more data, validating things, gathering input from some external source and correlating it to the data in the request, and so on. The workflow engine has been selected. The UI for the various roles and stakeholders is being designed. We have a distributed group of stakeholders. I'd like to employ a collaborative design/dev effort, where devs can produce and stand-up mockups or even working prototypes, then solicit feedback on those things. In a centralized team this could be done via design review meetings, with everyone gathered round a screen projector. That just is not going to work for us. So what I'd like is an app that can help with this. Any recommendations on apps or how to choose?

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• Smooth drag scrolling of an Isometric map - Html5

  - by user881920

  I have implemented a basic Isometric tile engine that can be explored by dragging the map with the mouse. Please see the fiddle below and drag away: http://jsfiddle.net/kHydg/14/ The code broken down is (CoffeeScript): The draw function draw = -> requestAnimFrame draw canvas.width = canvas.width for row in [0..width] for col in [0..height] xpos = (row - col) * tileHeight + width xpos += (canvas.width / 2) - (tileWidth / 2) + scrollPosition.x ypos = (row + col) * (tileHeight / 2) + height + scrollPosition.y context.drawImage(defaultTile, Math.round(xpos), Math.round(ypos), tileWidth, tileHeight) Mouse drag-scrolling control scrollPosition = x: 0 y: 0 dragHelper = active: false x: 0 y: 0 window.addEventListener 'mousedown', (e) => handleMouseDown(e) , false window.addEventListener 'mousemove', (e) => handleDrag(e) , false window.addEventListener 'mouseup', (e) => handleMouseUp(e) , false handleDrag = (e) => e.preventDefault() if dragHelper.active x = e.clientX y = e.clientY scrollPosition.x -= Math.round((dragHelper.x - x) / 28) scrollPosition.y -= Math.round((dragHelper.y - y) / 28) handleMouseUp = (e) => e.preventDefault() dragHelper.active = false handleMouseDown = (e) => e.preventDefault() x = e.clientX y = e.clientY dragHelper.active = true dragHelper.x = x dragHelper.y = y The Problem As you can see from the fiddle the dragging action is ok but not perfect. How would I change the code to make the dragging action more smooth? What I would like is the point of the map you click on to stay under the mouse point whilst you drag; the same as they have done here: http://craftyjs.com/demos/isometric/

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• AME : How to Diagnose Issues With the Default Approver List in Purchasing When Using Approvals Management

  - by Oracle_EBS

  Do you need help in understanding the concepts or how to setup the Approval Management Engine (AME) for requisition approvals? See the new diagnostic Note 1437183.1 'AME : How to Diagnose Issues With the Default Approver List in Purchasing When Using Approvals Management'. AME is designed to generate the approval list according to the conditions and rules you define in the setup. This troubleshooting guide will help you understand how AME builds the default approval list for Purchasing and help users find solutions for scenarios where the approval list fails to be generated. Follow along with the logical steps for troubleshooting.  The note first reviews how to generate the AME Setup report.   For example in the note we see a fragment of the setup report. Notice it has different sections for each one of the setup categories including attributes, conditions, rules, action types, approval groups etc.  How the default approval list is built in AME is then reviewed, followed by the logical steps for diagnosing issues.  The diagnostic steps include how to run the Test Workbench, as well as how to obtain valuable debug and exception information.  Then follow along using the steps to build a simple test case to sharpen your understanding.

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• Entiity System with C++

  - by Dono

  I'm working on a game engine using the Entity System and I have some questions. How i see Entity System : Components : A class with attributs, set and get. Sprite Physicbody SpaceShip ... System : A class with a list of components. (Component logic) EntityManager Renderer Input Camera ... Entity : Just a empty class with a list of components. What i've done : Currently, i've got a program who allow me to do that : // Create a new entity/ Entity* entity = game.createEntity(); // Add some components. entity->addComponent( new TransformableComponent() ) ->setPosition( 15, 50 ) ->setRotation( 90 ) ->addComponent( new PhysicComponent() ) ->setMass( 70 ) ->addComponent( new SpriteComponent() ) ->setTexture( "name.png" ) ->addToSystem( new RendererSystem() ); My questions Did the system stock a list of components or a list of entities ? In the case where I stock a list of entities, I need to get the component of this entities on each frame, that's probably heavy isn't it ? Did the system stock a list of components or a list of entities ? In the case where I stock a list of entities, I need to get the component of this entities on each frame, that's probably heavy isn't it ?

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• Announcing Two Papers Addressing the RPAS Fusion Client

  - by Oracle Retail Documentation Team

  Oracle Retail has published two documents to My Oracle Support addressing the Retail Predictive Application Server (RPAS) Fusion Client, a web-based rich client developed using the latest Oracle Application Development Framework (ADF). The Fusion Client provides an enhanced user experience for communicating with the RPAS server. Oracle Retail Predictive Application Server Fusion Client Getting Started Guide Doc ID 1492759.1The Retail Predictive Application Server (RPAS) is a configurable platform that provides capabilities such as a multidimensional database structure, batch and online processing, a configurable user interface, a configurable calculation engine, user security, and utility functions such as importing and exporting, all on a highly scalable technical environment that can be deployed on a variety of hardware. This paper addresses typical questions that arise during setting up and deploying the Fusion Client, provides performance recommendations, and highlights the differences between the Classic Client and the Fusion Client. Oracle Retail RPAS Fusion Client Performance Issue Report Doc ID 1493747.1Performance issues can be frustrating for customers, and Oracle Retail will strive to assist you as you attempt to enhance the performance of your systems. To ensure the timeliest processing of your issue, retailers and partners are encouraged to respond as thoroughly as possible to each question in this document, which can be sent back for analysis by logging a Service Request and following typical Customer Support processes. The sections of the document solicit information about the following: Performance Issue Description Performance Issue Details System Configuration Data Application Configuration Data Performance Log Files

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• is there a checklist that a small website should

  - by Mecon

  I am not a web developer - this would be my first foray. I can do HTML/CSS/Javascript, but never created a website for a company. If anybody is creating a site for small company (expecting some 10-15 static pages), what kinda things would it need to have? I am thinking of the following: Make the eventual owner buy in his/her name: Domain name, Web Hosting package and Email package. Q - DO Web Developers generally ask their clients to buy this stuff and then ask them to share their passwords? OR - Do Web Developers ship the source files to clients so that they can upload it? Create Cross Browser compatible HTML+CSS+javascript pages Add SEO stuff like Meta tags and xml file for crawler Buy professional images from stock website Q - IS there is a best-practice for this step? Add Copyright stuff. Q - ANY idea about how to do this? Add Faceboook widgets, so people can 'like' my website. Register website somewhere so that its searchable from multiple search-engine/yellopages. Q - DOES such a thing exist? Please check my checklist :) and let me know what you think could be missing? Thanks!

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