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• The OTN Garage Blog Week in Review

  - by Rick Ramsey

  In case you missed the last few blogs on the OTN Garage (because somebody neglected to cross-post them here), here they are: What Day Is It and Why Am I Wearing a Little Furry Skirt? - Oracle VM Templates, Oracle Linux, Wim Coekaerts, and jet lag. A Real Cutting Edge - Oracle Sun blade systems architecture, Blade Clusters, and best practices. Which Version of Solaris Were You Running When ... - Oracle Solaris Legacy Containers and the Voyager 1 Content Cluster: Understanding the Local Boot Option in the Automatic Installer of Oracle Solaris 11 Express - Resources to help you understand this cool option Rick - System Admin and Developer Community of the Oracle Technology Network

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• REST Framework - MS Web Api vs the rest of the field

  - by Mike

  I am a .NET developer who is looking into the OSS world for a REST framework similar to Microsoft's Web Api. I'll be starting a personal project soon and need to develop both a web site and an API with the API coming first. I've ruled out Ruby on Rails just because I feel that with my background in C#, I can get up to speed quickly with either a Java or PHP based framework. So far I've looked at Slim (PHP) and JAX-RS and Jersey (Java). Would I want to consider any others? My API will be private at first with a public one on the roadmap. I'll be hosting the API on Heroku or some cloud based service.

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• How to detect 2D line on line collision?

  - by Vish

  I'm a flash actionscript game developer who is a bit backward with mathematics, though I find physics both interesting and cool. For reference this is a similar game to the one I'm making: Untangled flash game I have made an untangled game almost to full completion of logic. But, when two lines intersect, I need those intersected or 'tangled' lines to show a different color; red. It would be really kind of you people if you could suggest an algorithm with/without math for detecting line segment collisions. I'm basically a person who likes to think 'visually' than 'arithmetically' :) P.S I'm trying to make a function as private function isIntersecting(A:Point, B:Point, C:Point, D:Point):Boolean Thanks in advance.

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• Why should I consider using the Source Engine?

  - by dukeofgaming

  I've always been a Valve fan, but now that I have the opportuninty to choose a game engine for a project I'm not sure I want to choose the Source Engine after watching this wikipedia entry. My options essentially boiled down to an open source stack (Horde3D + Zoidcom + Spark + SFML + CEGUI, and well, not OSS but PhysX too), UDK and the Source Engine. My question is (because I really have no experience with it) what would be the technical reasons (not license or other) for any developer to choose the Source Engine over any other open source or commercial option ?, is the Source Engine really worth it as a game development tool or has it time already passed and it is obsolete against other solutions?. Thanks Edit: Precised my question a little more , I'm looking for technical reasons to choose the Source Engine.

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• Is OpenGL after C++ job oriented?

  - by Ani

  First, my regards to all programmers out there who have put their endless efforts in learning and becoming expert, wise, efficient and best. Let me describe my situation. I have just graduated from Electronics and Communication Stream. Though I have more interest in software development and hence I have opted to become a software developer rather than Electronics engg. I have learned C++ and wish to wish to go more deep. I have started to learn OpenGL. Guide me in the following: Is OpenGL good to learn and is it job oriented? Should I learn some other language rather then OpenGL after C++?

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• Goals for 2011

  - by AaronBertrand

  I was tagged by Denis Gobo ( blog | twitter ) in a Review of his 2010 Goals . I didn't make such a post last year at this time, so I had nothing to check against. But that doesn't mean I can't start with my goals for the coming year, right? A few areas come to mind: Speaking More I have set a challenge for myself to speak at 10 events this year. So far I have submitted sessions to the following, or plan to do so when I can; at least one is already confirmed: SQL Saturday #60 (Cleveland, OH, February...(read more)

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• Event system architecture for networking when performance is concerned

  - by Vandell

  How should I design a system for an action game (think in Golden Axe) where events can happen remotely? I'm using TCP for this because the client is in flash. There's so many options, I can make a binary protocol (I don't like this idea, I found it to be too hard to mantain) but I was also thinking that passing jsons through clients and server can be slow (Is that a exaggerated concern?). What about the internal architecture for the server? And for the client? I'm really lost, If it's a question that is too big, please indicate me some material so I can formulate a better question next time.

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• Oracle OpenWorld Preview: Oracle Social Network Technical Tour

  - by kellsey.ruppel

    Originally posted by Jake Kuramoto on The Apps Lab blog. Yesterday, I told you about the Oracle Social Network Developer Challenge we’ll be hosting at OpenWorld (@oracleopenworld) next week. If you’re attending OpenWorld or JavaOne (@javaoneconf) and want to get hands-on experience with Oracle Social Network and show off your coding chops, this is the event for you. Go ahead and register. I’ll wait. But wait, there’s more. If you’re not sure you’ll have the time for the Challenge, don’t want to embarrass anyone with your awesome skills, have a hectic schedule and can’t commit, or just want to learn more about Oracle Social Network and how to extend it, then the Oracle Social Network Technical Tour is for you. Read Jake's originally entry to learn more about The Tour!

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• What are some great resources about programming contemporary GUIs and GUI architecture patterns?

  - by snitko

  So I've read Martin Fowler's old blog post http://martinfowler.com/eaaDev/uiArchs.html which describes various approaches to building GUI from an architecture point of view, discussing patterns and how they were used. But this blog post was written in 2006. Since then, there must have been some new ideas in the field? I was curious whether anyone knows about a similar guide to GUI architectures, but describing contemporary systems? The reason I'm interested in something abstract and theoretical to read is because it really is difficult and time consuming to ACTUALLY learn how ALL of the contemporary frameworks work, given their diversity and the diversity of the languages they are written in. I am primarily a web developer, so I'm familiar with Rails and some Javascript frameworks. But I would also like to know how GUI is built on Android or in Cocoa or in Windows, but without having to learn all of those things.

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• Oracle SOA and the Sun acquisition

  - by Demed L'Her

  I just presented the SOA product strategy at the Oracle + Sun Welcome Event this morning in Redwood Shores, after 2 earlier sessions on that same topic in Atlanta and Reston. That made me realize that I still haven’t blogged about the Sun acquisition – you might wonder how I managed to ignore the elephant in the room! Reality is that we have been very busy lately working with our new colleagues from Sun on a joint strategy and the resulting engineering plans. Let me help you navigate the Oracle website by giving you the links you really need if your main focus of area is integration and SOA technologies: Entry point into all material relating to the Sun acquisition (and since you are there you might want to check the non-SOA content, such as the hardware story that is quite interesting) Hasan Rizvi’s webcast on the combined SOA strategy Schedule and registration for the live Welcome Events taking place around the world – a great opportunity to ask questions that are not answered in the material we have posted on the web So with this welcome to the Sun customers and Java CAPS users!   Technorati Tags: jcaps,java caps,sun,soa,oracle,glassfish esb,seebeyond,acquisition

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• Weekend reading: Microsoft/Oracle and SkyDrive based code-editor

  - by jamiet

  A couple of news item caught my eye this weekend that I think are worthy of comment. Microsoft/Oracle partnership to be announced tomorrow (24/06/2013) According to many news site Microsoft and Oracle are about to announce a partnership (Oracle set for major Microsoft, Salesforce, Netsuite partnerships) and they all seem to be assuming that it will be something to do with “the cloud”. I wouldn’t disagree with that assessment, Microsoft are heavily pushing Azure and Oracle seem (to me anyway) to be rather lagging behind in the cloud game. More specifically folks seem to be assuming that Oracle’s forthcoming 12c database release will be offered on Azure. I did a bit of reading about Oracle 12c and one of its key pillars appears to be that it supports multi-tenant topologies and multi-tenancy is a common usage scenario for databases in the cloud. I’m left wondering then, if Microsoft are willing to push a rival’s multi-tenant solution what is happening to its own cloud-based multi-tenant offering – SQL Azure Federations. We haven’t heard anything about federations for what now seems to be a long time and moreover the main Program Manager behind the technology, Cihan Biyikoglu, recently left Microsoft to join Twitter. Furthermore, a Principle Architect for SQL Server, Conor Cunningham, recently presented the opening keynote at SQLBits 11 where he talked about multi-tenant solutions on SQL Azure and not once did he mention federations. All in all I don’t have a warm fuzzy feeling about the future of SQL Azure Federations so I hope that that question gets asked at some point following the Microsoft/Oracle announcement. Text Editor on SkyDrive with coding-specific features Liveside.net got a bit of a scoop this weekend with the news (Exclusive: SkyDrive.com to get web-based text file editing features) that Microsoft’s consumer-facing file storage service is going to get a new feature – a web-based code editor. Here’s Liveside’s screenshot: I’ve long had a passing interest in online code editors, indeed back in December 2009 I wondered out loud on this blog site: I started to wonder when the development tools that we use would also become cloud-based. After all, if we’re using cloud-based services does it not make sense to have cloud-based tools that work with them? I think it does. Project Houston Since then the world has moved on. Cloud 9 IDE (https://c9.io/) have blazed a trail in the fledgling world of online code editors and I have been wondering when Microsoft were going to start playing catch-up. I had no doubt that an online code editor was in Microsoft’s future; its an obvious future direction, why would I want to have to download and install a bloated text editor (which, arguably, is exactly what Visual Studio amounts to) and have to continually update it when I can simply open a web browser and have ready access to all of my code from wherever I am. There are signs that Microsoft is already making moves in this direction, after all the URL for their new offering Team Foundation Service doesn’t mention TFS at all – my own personalised URL for Team Foundation Service is http://jamiet.visualstudio.com – using “Visual Studio” as the domain name for a service that isn’t strictly speaking part of Visual Studio leads me to think that there’s a much bigger play here and that one day http://visualstudio.com will house an online code editor. With that in mind then I find Liveside’s revelation rather intriguing, why would a code editing tool show up in Skydrive? Perhaps SkyDrive is going to get integrated more tightly into TFS, I’m very interested to see where this goes. The larger question playing on my mind though is whether an online code editor from Microsoft will support SQL Server developers. I have opined before (see The SQL developer gap) about the shoddy treatment that SQL Server developers have to experience from Microsoft and I haven’t seen any change in Microsoft’s attitude in the three and a half years since I wrote that post. I’m constantly bewildered by the lack of investment in SQL Server developer productivity compared to the riches that are lavished upon our appdev brethren. When you consider that SQL Server is Microsoft’s third biggest revenue stream it is, frankly, rather insulting. SSDT was a step in the right direction but the hushed noises I hear coming out of Microsoft of late in regard to SSDT don’t bode fantastically well for its future. So, will an online code editor from Microsoft support T-SQL development? I have to assume not given the paucity of investment on us lowly SQL Server developers over the last few years, but I live in hope! Your thoughts in the comments section please. I would be very interested in reading them. @Jamiet

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• Google I/O 2010 - Google Wave API design principles

  Google I/O 2010 - Google Wave API design principles Google I/O 2010 - Google Wave API design principles + anatomy of a great extension Wave 201 Pamela Fox, Michael Goderbauer (Hasso Plattner Institute) Google Wave is all about collaboration. The most successful extensions are user-friendly and collaborative. Wave robots should be as intuitive to communicate with as a human, and play well with other robots; Wave gadgets should extend the metaphors of the textual collaboration into the visual. In this talk, we'll discuss the design and privacy principles you should consider while building extensions, and show examples of extensions that demonstrate these principles. For all I/O 2010 sessions, please go to code.google.com/events/io/2010/sessions.html From: GoogleDevelopers Views: 6 0 ratings Time: 01:01:54 More in Science & Technology

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• Design Pattern for Social Game Mission Mechanics

  - by Furkan ÇALISKAN

  When we want to design a mission sub-system like in the The Ville or Sims Social, what kind of design pattern / idea would fit the best? There may be relation between missions (first do this then this etc...) or not. What do you think sims social or the ville or any other social games is using for this? I'm looking for a best-practise method to contruct a mission framework for tha game. How the well-known game firms do this stuff for their large scale social facebook games? Giving missions to the players and wait players to complete them. when they finished the missions, providing a method to catch this mission complete events considering large user database by not using server-side not so much to prevent high-traffic / resource consumption. how should i design the database and server-client communication to achive this design condidering this trade-off.

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• Sending Big Files with WCF

  - by Sean Feldman

  I had to look into a project that submits large files to WCF service. Implementation is based on data chunking. This is a good approach when your client and server are not both based on WCF, bud different technologies. The problem with something like this is that chunking (either you wish it or not) complicates the overall solution. Alternative would be streaming. In WCF to WCF scenario, this is a piece of cake. When client is Java, it becomes a bit more challenging (has anyone implemented Java client streaming data to WCF service?). What I really liked about .NET implementation with WCF, is that sending header info along with stream was dead simple, and from the developer point of view looked like it’s all a part of the DTO passed into the service. [ServiceContract] public interface IFileUpload { [OperationContract] void UploadFile(SendFileMessage message); } Where SendFileMessage is [MessageContract] public class SendFileMessage { [MessageBodyMember(Order = 1)] public Stream FileData; [MessageHeader(MustUnderstand = true)] public FileTransferInfo FileTransferInfo; }

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• Watch the Silverlight 4 Launch event and LIVE QA with ScottGu and others

  Next week on 13-April at 8:00 AM PST Scott Guthrie will deliver a keynote address for the DevConnections conference being held in Las Vegas, NV. Scott will provide updates on the progress made in Silverlight 4 and will provide the details of availability of the developer tools, runtime and other news. Mark your calendars and return to the Silverlight community site to tune into the LIVE event. After the keynote, Channel 9 will be hosting interviews with Scott and other key members of the Silverlight...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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• UPK 3.6.1 New Feature - Publish Presentation

  - by peter.maravelias

  UPK includes numerous options for deploying the content you have created. Most UPK users are familiar with the UPK Player and the various document outputs that have been available as publishing formats for some time now. In addition UPK provides the content developer the ability to publish content for use in specific environments, LMS, Test Director are two examples. UPK 3.6.1 adds the Presentation publishing type. The Presentation publishing type produces a slideshow presentation of screenshots and text of each topic as a separate Microsoft PowerPoint file. To publish to the presentation option just select the type under the documents category in the publishing wizard. Give this new publishing type a try and let us know what you think by posting a comment. The Presentation publishing type feature came from a customer request and given the ever growing methods and channels for communication we'd like to know what other output types or methods of using existing outputs you would like to see in a future release of UPK.

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• Detect line line collision in an Untangled game

  - by Vish

  Pardon me if this is a repeat question,but I've been searching google for vain since the past few days, I'm a flash actionscript game developer who is a bit backward with mathematics, though I find physics both interesting and cool. Similiar game : Untangled flash game I have made an untangled game almost to full completion of logic. But, when two lines intersect , I need those intersected or 'tangled' lines to show a different color; red. It would be really kind of you people if you could suggest an algorithm with / without math for detecting line segment collisions. I'm basically a person who likes to think 'visually' than 'arithmetically' :) P.S I'm trying to make a function as private function isIntersecting(A:Point, B:Point, C:Point, D:Point):Boolean Thanks in advance. Vishnu Ajit

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• &ldquo;Napa&rdquo; Development Tools for SharePoint 2013 and Office 2013

  - by Sahil Malik

  SharePoint 2010 Training: more information One of the biggest issues in getting started with SharePoint development are the 2091097 steps you need to go through, and the heavy duty machine you need to invest in, to create a development environment for a SharePoint and Office developer. This is not unlike the fact that creating and running a production SharePoint farm can be extremely time-consuming. In my latest code-magazine article, I describe how you can use the “Napa” Development Tools for SharePoint 2013 and Office 2013. These are also described in my latest book, “SharePoint 2013 - Planet of the Apps”, which is now available on Lulu.com Read full article ....

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• MSDN Simulcast Event: Take Your Applications Sky-High with Cloud Computing and the Windows Azure Pla

  Join your local MSDN Events team as we take a deep dive into Microsoft Windows Azure. We'll start with a developer-focused overview of this brave new platform and the cloud computing services that can be used to build amazing applications. As the day unfolds, we'll explore data storage, Microsoft SQL Azure, and the basics of deployment with Windows Azure....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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• Best SEO practices for mobile URLs: 301, rel=canonical, or something else?

  - by Chris

  I am developing a site with a mobile version and am trying to figure the appropriate way to manage the URLs for search engines. So far I've considered: Having a mobile site with rel="canonical" links to the regular site. Putting both the mobile site and full site on one URL, and doing user agent sniffing. Another opinion: Spencer: "If you have a mobile site at a separate location or URL, you should 301 redirect each and every mobile page to its corresponding page on your main website. Employ user agent detection so that the mobile optimized version is served up if someone's coming in from a hand-held. - http://developer.practicalecommerce.com/articles/1722-Mobile-site-Development-Best-Practices-for-SEO-Usability Both 2 and 3 make it hard for a user who wants to switch to the full site or mobile site manually, but I'm not sure 1 is the best alternative. What's the best way to write URLs for a mobile site?

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• Succesful Hosted TFS Event at VISUG by Hassan Fadili at Microsoft Belgium

  - by hassanfadili

  On Tuesday November 22th, VISUG User Group has hosted an event at Microsoft Belgium about Hosted TFS by Hassan Fadili see http://www.visug.be/Eventdetails/tabid/95/EventId/48/Default.aspx. This event was very interactive and many as 60 people have taken part. The topic was about Build, Relase and Deploy with TFS2011 and MS Deploy. A combination of Slides and Demo's was perfect to explain this common mechanism for developers.To learn more about this topic check the earlier article pubished by Hassan Fadili for Software Developer Network Community at: http://www.sdn.nl/SDN/Artikelen/tabid/58/view/View/ArticleID/3199/Build-Release-and-Deploy-BRD-using-TFS2010-MS-Web-Deploy-and-WIX3X.aspxIf you have questions/Suggestions or thoughts about this topic, feel free to contact me by E-mail: [email protected] and/or via Twitter: @HassanFad

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• Flex SDK the right tool for this project

  - by RWAC

  A client wants a site similar to this one (but different purpose): http://www.spokeo.com/search?q=Samantha+Dawes,+&s7=t30 where the user searches by name and a map is displayed with the count over each state. When the user clicks the count the list is displayed. I am a PHP developer (and have experience with C, C++, etc). Would Flex SDK, Flash Builder 4.5 for PHP, or Flash be the best tool? The Flex SDK http://www.adobe.com/products/flex.html looks promising and it looks like I can download it free without having to purchase Flash or Flex. Is that correct? Do you think this kind of project can be done with the Flex SDK? Without purchasing Flex or Flash? Thank you for taking the time to read this.

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• rsyslog channels change ownership from root

  - by Paul Whelan

  Hello all I am using rsyslog on ubuntu 10.4 64bit LTS. the following is the relevant config in /etc/rsyslog.d/60-mylogger.conf $template Paul,"%msg%\n" $outchannel log_rotation_paul,/var/log/paul/events.log,2000,/opt/scripts/log_rotation_script.sh local0.* $log_rotation_paul;Paul This should rotate every 2000 bytes My problem is the the channel directive here causes the ownership defined in /etc/rsyslog.conf to be completely ignored and when my log rotate script is called I don't have the root permissions required to move my log file as its the script runs as rsyslog and the file I am moving requires root permissions. Any ideas I found this link but unfortunately it does not fix my issue.

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• Last chance to enter! Exceptional DBA Awards 2011

  - by Rebecca Amos

  Only 1 day left to enter the Exceptional DBA Awards! Get started on your entry today, and you could be heading to Seattle for the PASS Summit in October. All you need to do is visit the Exceptional DBA website and answer a few questions about: Your career and achievements as a SQL Server DBAAny mistakes you've made along the way (and how you tackled them)Activities you're involved in within the SQL Server community – for example writing, blogging, contributing to forums, speaking at events, or organising user groupsWhy you think you should be the Exceptional DBA of 2011 As well as the respect and recognition of your peers – and a great boost to your CV – you could win full conference registration to this year's PASS Summit in Seattle (including accommodation and $300 towards travel expenses) – where the award will be presented, as well as a copy of Red Gate's SQL DBA Bundle, and a chance to be featured here, on Simple-Talk.com. So why not give it a shot? Start your entry now at www.exceptionaldba.com (nominations close on 30 June).

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• GitHub Integration in Windows Azure Web Site

  - by Shaun

  Microsoft had just announced an update for Windows Azure Web Site (a.k.a. WAWS). There are four major features added in WAWS which are free scaling mode, GitHub integration, custom domain and multi branches. Since I ‘m working in Node.js and I would like to have my code in GitHub and deployed automatically to my Windows Azure Web Site once I sync my code, this feature is a big good news to me.   It’s very simple to establish the GitHub integration in WAWS. First we need a clean WAWS. In its dashboard page click “Set up Git publishing”. Currently WAWS doesn’t support to change the publish setting. So if you have an existing WAWS which published by TFS or local Git then you have to create a new WAWS and set the Git publishing. Then in the deployment page we can see now WAWS supports three Git publishing modes: - Push my local files to Windows Azure: In this mode we will create a new Git repository on local machine and commit, publish our code to Windows Azure through Git command or some GUI. - Deploy from my GitHub project: In this mode we will have a Git repository created on GitHub. Once we publish our code to GitHub Windows Azure will download the code and trigger a new deployment. - Deploy from my CodePlex project: Similar as the previous one but our code would be in CodePlex repository.   Now let’s back to GitHub and create a new publish repository. Currently WAWS GitHub integration only support for public repositories. The private repositories support will be available in several weeks. We can manage our repositories in GitHub website. But as a windows geek I prefer the GUI tool. So I opened the GitHub for Windows, login with my GitHub account and select the “github” category, click the “add” button to create a new repository on GitHub. You can download the GitHub for Windows here. I specified the repository name, description, local repository, do not check the “Keep this code private”. After few seconds it will create a new repository on GitHub and associate it to my local machine in that folder. We can find this new repository in GitHub website. And in GitHub for Windows we can also find the local repository by selecting the “local” category.   Next, we need to associate this repository with our WAWS. Back to windows developer portal, open the “Deploy from my GitHub project” in the deployment page and click the “Authorize Windows Azure” link. It will bring up a new windows on GitHub which let me allow the Windows Azure application can access your repositories. After we clicked “Allow”, windows azure will retrieve all my GitHub public repositories and let me select which one I want to integrate to this WAWS. I selected the one I had just created in GitHub for Windows. So that’s all. We had completed the GitHub integration configuration. Now let’s have a try. In GitHub for Windows, right click on this local repository and click “open in explorer”. Then I added a simple HTML file. 1: <html> 2: <head> 3: </head> 4: <body> 5: <h1> 6: I came from GitHub, WOW! 7: </h1> 8: </body> 9: </html> Save it and back to GitHub for Windows, commit this change and publish. This will upload our changes to GitHub, and Windows Azure will detect this update and trigger a new deployment. If we went back to azure developer portal we can find the new deployment. And our commit message will be shown as the deployment description as well. And here is the page deployed to WAWS.   Hope this helps, Shaun All documents and related graphics, codes are provided "AS IS" without warranty of any kind. Copyright © Shaun Ziyan Xu. This work is licensed under the Creative Commons License.

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