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  • Do you know about the Visual Studio 2010 Architecture Guidance?

    - by Martin Hinshelwood
    If you have not seen the Visual Studio 2010 Architectural Guidance from the Visual Studio ALM Rangers then you are missing out. I have been spelunking the TFS Guidance recently and I discovered the Visual Studio 2010 Architectural Guidance. This is not an in-depth look at the capabilities of the architectural tools that shipped with Visual Studio 2010 Ultimate, but is instead a set of samples that lead you by example through real world scenarios. There is practical guidance and checklists to help guide lead developers and architects through the common challenges in understanding both existing and new applications. The content concentrates on practical guidance for Visual Studio 2010 Ultimate and is focused on modelling tools. There is integration into Visual Studio so all you need to do to access it is select “Architecture | Visual Studio ALM Rangers – Architecture Guidance”. Figure: Accessing the Architecture guidance is easy This brings up an inline version of the documentation and a kind of Explorer that lets you pick the tasks you want to perform and takes you strait to that part of the Guidance. Figure: Access the Guidance from right within Visual Studio 2010 This is a big help when you just want to figure out how to do something and can’t be bothered searching for and through the content in the provided Word documents. The Question and Answer section is full of useful content and there are six Hands-On-Labs to sink your teeth into: Creating extensions with the feature extension Explore an Existing System Scenario Extensibility Layer Diagrams New Solution Scenario Reusable Architecture Scenario Validation an Architecture Scenario I’m sold! Where can i get my hands on this fantastic content? Download the Visual Studio 2010 Architecture Tooling Guidance and if you like it don’t forget to add a review to make the team that put it together in their spare time feel all the mere loved.

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  • Differences when Running with OutputCache managed module under ASP.NET IIS7.x with Cache-control header

    - by Shawn Cicoria
    This post is to report some differences when using MVC or IHttpHandlers if you’re attempting to set the Cache-control : max-age or s-maxage value under IIS7.x using the HttpResponse.Cache methods. [UPDATE]: 2011-3-14 – The missing piece was calling  Response.Cache.SetSlidingExpiration(true) as follows: context.Response.Cache.SetCacheability(HttpCacheability.Public); context.Response.Cache.SetMaxAge(TimeSpan.FromMinutes(5)); context.Response.ContentType = "image/jpeg"; context.Response.Cache.SetSlidingExpiration(true);   Under IIS7.x if you us one of the following 2 methods, you will only get a Cache-ability of “public”.  public ActionResult Image2() { MemoryStream oStream = new MemoryStream(); using (Bitmap obmp = ImageUtil.RenderImage("Respone.Cache.Setxx calls", 5, DateTime.Now)) { obmp.Save(oStream, ImageFormat.Jpeg); oStream.Position = 0; Response.Cache.SetCacheability(HttpCacheability.Public); Response.Cache.SetMaxAge(TimeSpan.FromMinutes(5)); return new FileStreamResult(oStream, "image/jpeg"); } } Method 2 – which is just a plain old HttpHandler and really isn’t MVC3, but under the same MVC ASP.NET application, same result. public class image : IHttpHandler { public void ProcessRequest(HttpContext context) { using (var image = ImageUtil.RenderImage("called from IHttpHandler direct", 5, DateTime.Now)) { context.Response.Cache.SetCacheability(HttpCacheability.Public); context.Response.Cache.SetMaxAge(TimeSpan.FromMinutes(5)); context.Response.ContentType = "image/jpeg"; image.Save(context.Response.OutputStream, ImageFormat.Jpeg); } } } Using the following under MVC3 (I haven’t tried under earlier versions) will work by applying the OutputCacheAttribute to your Action: [OutputCache(Location = OutputCacheLocation.Any, Duration = 300)] public ActionResult Image1() { MemoryStream oStream = new MemoryStream(); using (Bitmap obmp = ImageUtil.RenderImage("called with OutputCacheAttribute", 5, DateTime.Now)) { obmp.Save(oStream, ImageFormat.Jpeg); oStream.Position = 0; return new FileStreamResult(oStream, "image/jpeg"); } } To remove the “OutputCache” module, you use the following in your web.config: <system.webServer> <validation validateIntegratedModeConfiguration="false"/> <modules runAllManagedModulesForAllRequests="true"> <!--<remove name="OutputCache"/>--> </modules>

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  • Java Spotlight Episode 98: Cliff Click on Benchmarkings

    - by Roger Brinkley
    Interview with Cliff Click of 0xdata on benchmarking. Recorded live at JFokus 2012. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News Bean Validation 1.1 Java EE 7 Roadmap Java JRE Update 7u7 and 6u35 available. Change to Java SE 7 and Java SE 6 Update Release Numbers JCP 2012 Award Nominations Announced Griffon JavaFX Plugin Events Sep 3-6, Herbstcampus, Nuremberg, Germany Sep 10-15, IMTS 2012 Conference,  Chicago Sep 12,  The Coming M2M Revolution: Critical Issues for End-to-End Software and Systems Development,  Webinar Sep 30-Oct 4, JavaONE, San Francisco Oct 3-4, Java Embedded @ JavaONE, San Francisco Oct 15-17, JAX London Oct 30-Nov 1, Arm TechCon, Santa Clara Oct 22-23, Freescale Technology Forum - Japan, Tokyo Nov 2-3, JMagreb, Morocco Nov 13-17, Devoxx, Belgium Feature Interview Cliff Click is the CTO and Co-Founder of 0xdata, a firm dedicated to creating a new way to think about web-scale data storage and real-time analytics. I wrote my first compiler when I was 15 (Pascal to TRS Z-80!), although my most famous compiler is the HotSpot Server Compiler (the Sea of Nodes IR). I helped Azul Systems build an 864 core pure-Java mainframe that keeps GC pauses on 500Gb heaps to under 10ms, and worked on all aspects of that JVM. Before that I worked on HotSpot at Sun Microsystems, and am at least partially responsible for bringing Java into the mainstream. I am invited to speak regularly at industry and academic conferences and has published many papers about HotSpot technology. I hold a PhD in Computer Science from Rice University and about 15 patents. What’s Cool Shaun Smith’s Devoxx 2011 talk "JPA Multi-Tenancy & Extensibility" now freely available at Parleys.

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  • Single page not appearing in Google Search

    - by Dan
    Description I have a static franchise website which has various sub pages each dedicated to an individual franchisee. For each franchisee the page, the only thing slightly similar between all of them are the page titles, they follow this structure: <title> Welcome to THE_COMPANY - PRODUCT_DESCRIPTION Services, THE_LOCATION </title> THE_COMPANY and PRODUCT_DESCRIPTION are the same across all franchisees, however THE_LOCATION changes depeding on where they are located in the UK. Each franchisee page has the following <meta /> tags: <meta name="DC.creator" content="user"/> <meta name="DC.format" content="text/html"/> <meta name="DC.language" content="en"/> <meta name="DC.date.modified" content="2014-01-23T11:22:31+00:00"/> <meta name="DC.date.created" content="2014-01-23T11:22:09+00:00"/> <meta name="DC.type" content="Page"/> <meta name="DC.distribution" content="Global"/> <meta name="robots" content="ALL"/> <meta name="distribution" content="Global"/> The main content on each franchisee page is completely different. The Problem There is one particular franchisee page, located in Area A.. Which will not appear in Google Search results at all. However every single other franchisee (if you Google Search for "THE_COMPANY, THE_LOCATION" is number 1). And if I do the same search on Bing, Yahoo or DuckDuckGo, the Area A franchisee is the first result on all of them. Has Google for some reason black listed one page on the site? What I Have Tried Ensuring the page is referenced in my sitemap.xml file 'Fetching as Google Bot' the link www.the_company.co.uk/areaa When that came back as OK I would submit to index Resubmitting the sitemap.xml file in Webmaster Tools Linking to the Area A page from another pages content For this I also waited about 3 weeks before checking again to give Google time to re-index Making a change to the page content and waiting another 2 / 3 weeks Removing the page completely and recreating it with an alternative URL The closest thing I have found to this issue is this StackOverflow question but this particular franchisee has existed for almost a year, it used to appear on Google searches however no longer does. I'm guessing the Panda update wasn't too happy with something on the page, but it hasn't effected anything else on the site and I am at a loss for things to try. I would greatly appreciate any information or thoughts as to what could have caused this Thanks. Update In line with Daniel Fukudas answer below, I have followed some of his steps but everything seems to check out alright: HTTP Headers HTTP/1.1 200 OK => Date => Tue, 25 Feb 2014 16:31:29 GMT Server => Zope/(2.12.16, python 2.6.6, linux2) ZServer/1.1 Content-Length => 40078 Expires => Sat, 01 Jan 2000 00:00:00 GMT Content-Type => text/html;charset=utf-8 Content-Language => en Vary => Accept-Encoding Connection => close Robots <meta /> tag: <meta name="robots" content="ALL"/> I have updated this <meta /> tag to read content="INDEX" instead now. robots.txt: User-agent: * Disallow: User-Agent: Googlebot Disallow: /*sendto_form$ Disallow: /*folder_factories$ Using site:THE_COMPANY.co.uk: Searching for 'AREA A site:THE_COMPANY.co.uk' does not return the page, but regardless of that searching just for site:THE_COMPANY.co.uk will not necessarily return every indexed page, or so I understand... Update It appears Google likes to drop pages every now and then from the index, despite my steps above, I left the site alone and the page appeared back in the SERPs by itself.

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  • Custom field names in Rails error messages

    - by Madhan ayyasamy
    The defaults in Rails with ActiveRecord is beautiful when you are just getting started and are created everything for the first time. But once you get into it and your database schema becomes a little more solidified, the things that would have been easy to do by relying on the conventions of Rails require a little bit more work.In my case, I had a form where there was a database column named “num_guests”, representing the number of guests. When the field fails to pass validation, the error messages is something likeNum guests is not a numberNot quite the text that we want. It would be better if it saidNumber of guests is not a numberAfter doing a little bit of digging, I found the human_attribute_name method. You can override this method in your model class to provide alternative names for fields. To change our error message, I did the followingclass Reservation ... validates_presence_of :num_guests ... HUMAN_ATTRIBUTES = { :num_guests = "Number of guests" } def self.human_attribute_name(attr) HUMAN_ATTRIBUTES[attr.to_sym] || super endendSince Rails 2.2, this method is used to support internationalization (i18n). Looking at it, it reminds me of Java’s Resource Bundles and Spring MVC’s error messages. Messages are defined based off a key and there’s a chain of look ups that get applied to resolve an error’s message.Although, I don’t see myself doing any i18n work in the near-term, it is cool that we have that option now in Rails.

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  • NHibernate Tools: Visual NHibernate

    - by Ricardo Peres
    You probably know that I’m a big fan of Slyce Software’s Visual NHibernate. To me, it is the best tool for generating your entities and mappings from an existing database (it also allows you to go the other way, but I honestly have never used it that way). What I like most about it: Great support: folks at Slyce always listen to your suggestions, give you feedback in a timely manner, and I was even lucky enough to have some of my suggestions implemented! The templating engine, which is very powerful, and more user-friendly than, for example, MyGeneration’s; one of the included templates is Sharp Architecture; Advanced model validations: it even warns you about having lazy properties declared in non-lazy entities; Integration with NHibernate Validator and generation of validation rules automatically based on the database, or on user-defined model settings; The designer: they opted for not displaying all entities in a single screen, which I think was a good decision; has support for all inheritance strategies (table per class hierarchy, table per class, table per concrete class); Generation of FluentNHibernate mappings as well as hbm.xml. I could name others, but… why don’t you see for yourself? There is a demo version available for downloading. By the way, I am in no way related to Slyce, I just happen to like their software!

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  • How to deploy global managed beans

    - by frank.nimphius
    v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 false false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} "Global managed" beans is the term I use in this post to describe beans that are used across applications. Global managed beans contain helper - or utility - methods like or instead of JSFUtils and ADFUtils. The difference between global managed beans and static helper classes like JSFUtis and ADFUtils is that they are EL accessible, providing reusable functionality that is ready to use on UI components and - if accessed from Java - in other managed beans. For example, the ADF Faces page template (af:pageTemplate) allows you to define attributes for the consuming page to pass in object references or strings into it. It does not have method attributes that allow command components contained in a template to invoke listeners in managed beans and the ADF binding layer, or to execute actions. To create templates that provide global button or menu functionality, like logon, logout, print etc., an option for developers is to deployed managed beans with the ADF Faces page templates. To deploy a managed bean with a page template, create an ADF library from the project containing the template definition and import this ADF library into the target project using the Resource palette. When importing an ADF library, all its content is added to the project, including page template definitions, managed bean sources and configurations. More about page templates http://download.oracle.com/docs/cd/E17904_01/apirefs.1111/e12419/tagdoc/af_pageTemplate.html Another use-case for globally configured managed beans is for creating helper methods to be used in many applications. Instead of creating a base managed bean class that then is extended by all managed beans used in applications, you can deploy a managed bean in a JAR file and add the faces-config.xml file with the managed bean configuration to the JAR's META-INF folder as shown below. Using a globally configured managed bean allows you to use Expression Language in the UI to access common functionality but also use Java in application specific managed beans. Storing the faces-config.xml file in the JAR file META-INF directory automatically makes it available when the JAR file is found in the class path of an application.

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  • PanelCollection Confusion ... or, what is an event root ?

    - by frank.nimphius
    Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} A command button added to the toolbar of a Panel Collection component does not cause field validation in a form when pressed. While this appears confusing it works as designed. Instead of a full page re-rendering, ADF Faces events and components can trigger partial page refresh, in which only portions of a page are refresh upon a request. In addition, some components - including the af:popup and af:subForm - represent event roots. Event roots don't propagated event notification outside of the component tag boundary, which means that the ADF Faces lifecycle only executed on components that are children of the event root component. The PanelCollection component is an event root and therefore only validates and refreshes data of its child components.

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  • [Oracle Identity Manager] 11g R2 Bundle Patch 09 is Available!

    - by mustafakaya
    Oracle Identity Manager Bundle Patch 09 is available now. You can download BP09 from here. Also,there is a important recommendation for BP08!  List of bugs fixed with BP09; Bug:12699224 : Trusted source reconciliation fails to create users with many reconciliation field mappings. Bug:14407437 : Provisioning through bulk request inserts null records into child tables. Bug:14493217 : Target resource reconciliation throws ORA-06512 error when the Descriptive field is mapped to a field that does not have a reconciliation field mapping. Bug:16044671 : User form customization fails if a UDF contains invalid character. Bug:16545968 : Modifying any attribute on a service account changes the account type as a primary account. Bug:16562633 : Oracle Identity Manager throws javax.el.elexceptions while viewing profile under direct report. Bug:16662834 : User not reprovisoned after user is deleted and created in the target with the same orclguid. Bug:16662905 : If an LOV field is required on an Application Instance form, no validation is enforced on the LOV field although it is required. Bug:16701873 : The Members tab of a role displays only enabled users and does not display disabled users. Bug:16862846 : When a notification is being sent, the mail ID in the Reply To field is set as the recipient's mail ID instead of the sender's mail ID. Bug:16824062 : When you use API to fetch or delete child data from an account, the child data row value is null. Therefore, child data is not returned. Bug:16912736 : There is a performance issue when the provisioned application instance details is opened for a user.

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  • Solaris 11.1: Encrypted Immutable Zones on (ZFS) Shared Storage

    - by darrenm
    Solaris 11 brought both ZFS encryption and the Immutable Zones feature and I've talked about the combination in the past.  Solaris 11.1 adds a fully supported method of storing zones in their own ZFS using shared storage so lets update things a little and put all three parts together. When using an iSCSI (or other supported shared storage target) for a Zone we can either let the Zones framework setup the ZFS pool or we can do it manually before hand and tell the Zones framework to use the one we made earlier.  To enable encryption we have to take the second path so that we can setup the pool with encryption before we start to install the zones on it. We start by configuring the zone and specifying an rootzpool resource: # zonecfg -z eizoss Use 'create' to begin configuring a new zone. zonecfg:eizoss> create create: Using system default template 'SYSdefault' zonecfg:eizoss> set zonepath=/zones/eizoss zonecfg:eizoss> set file-mac-profile=fixed-configuration zonecfg:eizoss> add rootzpool zonecfg:eizoss:rootzpool> add storage \ iscsi://zs7120-tvp540-c.uk.oracle.com/luname.naa.600144f09acaacd20000508e64a70001 zonecfg:eizoss:rootzpool> end zonecfg:eizoss> verify zonecfg:eizoss> commit zonecfg:eizoss> Now lets create the pool and specify encryption: # suriadm map \ iscsi://zs7120-tvp540-c.uk.oracle.com/luname.naa.600144f09acaacd20000508e64a70001 PROPERTY VALUE mapped-dev /dev/dsk/c10t600144F09ACAACD20000508E64A70001d0 # echo "zfscrypto" > /zones/p # zpool create -O encryption=on -O keysource=passphrase,file:///zones/p eizoss \ /dev/dsk/c10t600144F09ACAACD20000508E64A70001d0 # zpool export eizoss Note that the keysource example above is just for this example, realistically you should probably use an Oracle Key Manager or some other better keystorage, but that isn't the purpose of this example.  Note however that it does need to be one of file:// https:// pkcs11: and not prompt for the key location.  Also note that we exported the newly created pool.  The name we used here doesn't actually mater because it will get set properly on import anyway. So lets go ahead and do our install: zoneadm -z eizoss install -x force-zpool-import Configured zone storage resource(s) from: iscsi://zs7120-tvp540-c.uk.oracle.com/luname.naa.600144f09acaacd20000508e64a70001 Imported zone zpool: eizoss_rpool Progress being logged to /var/log/zones/zoneadm.20121029T115231Z.eizoss.install Image: Preparing at /zones/eizoss/root. AI Manifest: /tmp/manifest.xml.ujaq54 SC Profile: /usr/share/auto_install/sc_profiles/enable_sci.xml Zonename: eizoss Installation: Starting ... Creating IPS image Startup linked: 1/1 done Installing packages from: solaris origin: http://pkg.us.oracle.com/solaris/release/ Please review the licenses for the following packages post-install: consolidation/osnet/osnet-incorporation (automatically accepted, not displayed) Package licenses may be viewed using the command: pkg info --license <pkg_fmri> DOWNLOAD PKGS FILES XFER (MB) SPEED Completed 187/187 33575/33575 227.0/227.0 384k/s PHASE ITEMS Installing new actions 47449/47449 Updating package state database Done Updating image state Done Creating fast lookup database Done Installation: Succeeded Note: Man pages can be obtained by installing pkg:/system/manual done. Done: Installation completed in 929.606 seconds. Next Steps: Boot the zone, then log into the zone console (zlogin -C) to complete the configuration process. Log saved in non-global zone as /zones/eizoss/root/var/log/zones/zoneadm.20121029T115231Z.eizoss.install That was really all we had to do, when the install is done boot it up as normal. The zone administrator has no direct access to the ZFS wrapping keys used for the encrypted pool zone is stored on.  Due to how inheritance works in ZFS he can still create new encrypted datasets that use those wrapping keys (without them ever being inside a process in the zone) or he can create encrypted datasets inside the zone that use keys of his own choosing, the output below shows the two cases: rpool is inheriting the key material from the global zone (note we can see the value of the keysource property but we don't use it inside the zone nor does that path need to be (or is) accessible inside the zone). Whereas rpool/export/home/bob has set keysource locally. # zfs get encryption,keysource rpool rpool/export/home/bob NAME PROPERTY VALUE SOURCE rpool encryption on inherited from $globalzone rpool keysource passphrase,file:///zones/p inherited from $globalzone rpool/export/home/bob encryption on local rpool/export/home/bob keysource passphrase,prompt local  

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  • Eclipse and Oracle Fusion Development - Free Virtual Event, July 10th

    - by Carlos Chang
      Below is one of many sessions covering Oracle Fusion Development.  It's a free virtual event on July 10. Live chats with Oracle's technical staff.  Check it out! Oracle Enterprise Pack for Eclipse - ADF Development Oracle ADF Development has never been easier in Eclipse. During this session we will explore best practices to use standard Java EE technologies like EJBs and JPA to build rich ADF applications based on ADF Data Controls, Task Flows, and ADF Faces components all within Oracle Enterprise Pack for Eclipse (OEPE) 12c. We will also look at how OEPE’s AppXRay technology enables developers to understand and visualize dependency relationships between ADF components, xml descriptors, and Java objects in order to drive validation, content assist, and refactoring. Free Virtual Developer Day - Fusion Middleware Development Join a free online developer day where you can learn about the various components that make up the Oracle Fusion Development platform including ADF, ADF Mobile, Oracle WebCenter Portal, Business Intelligence and more. Online seminars and hands-on labs available directly from your browser. Join us on July 10!  Register here. 

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  • What .NET objects should I use to create a cookie based session in MVC?

    - by makerofthings7
    I'm writing a custom password reset application that uses a validation technique that doesn't fit cleanly with ASP.NET Membership Provider's challenge questions. Namely I need to invoke a workflow and collect information from the end user (backup phone number, email address) after the user logs in using a custom form. The only way I know to create a cookie-based session (without too much "innovation" on my part) is to use WIF. What other standard objects can I use with ASP.NET MVC to create an authenticated session that works with non-windows user stores? Ideally I can store "role" or claim information in the session object such as "admin", "departmentXadmin", "normalUser", or "restrictedUser" The workflow would look like this: User logs in with username and password If the username and pw are correct a (stateless) cookie based session is created The user gets redirected to a HTML form that allows them to enter their backup phone number (for SMS dual factor), or validate it if already set. The user can then change their password using the form provided The "forgot password" would look like this User requests OTP code to be sent to the phone User logs in using username and OTP If the OTP is valid and not expired then create a cookie based session and redirect to a form that allows password reset Show password reset form, and process results.

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  • I know how to program, and how to learn how to program, but how/where do you learn how to make systems properly?

    - by Ryan
    There are many things that need to be considered when making a system, let's take for example a web based system where users log in and interact with each other, creating and editing content. Now I have to think about security, validation (I don't even think I am 100% sure what that entails), "making sure users don't step on each others feet" (term for this?), preventing errors in many cases, making sure database data doesn't become problematic through unexpected... situations? All these things I don't know how or where to learn, is there a book on this kind of stuff? Like I said there seems to be a huge difference between writing code and actually writing the right code, know what I mean? I feel like my current programming work lacks much of what I have described and I can see the problems it causes later, and then the problems are much harder to solve because data exists and people are using it. So can anyone point me to books or resources or the proper subset of programming(?) for this type of learning? PS: feel free to correct my tags, I don't know what I am talking about. Edit: I assume some of the examples I wrote apply to other types of systems too, I just don't know any other good examples because I've been mostly involved in web work.

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  • SharePoint For Newbie Developers: Code Scope

    - by Mark Rackley
    So, I continue to try to come up with diagrams and information to help new SharePoint developers wrap their heads around this SharePoint beast, especially when those newer to development are on my team. To that end, I drew up the below diagram to help some of our junior devs understand where/when code is being executed in SharePoint at a high level. Note that I say “High Level”… This is a simplistic diagram that can get a LOT more complicated if you want to dive in deeper.  For the purposes of my lesson it served its purpose well. So, please no comments from you peanut gallery about information 3 levels down that’s missing unless it adds to the discussion.  Thanks So, the diagram below details where code is executed on a page load and gives the basic flow of the page load. There are actually many more steps, but again, we are staying high level here. I just know someone is still going to say something like “Well.. actually… the dlls are getting executed when…”  Anyway, here’s the diagram with some information I like to point out: Code Scope / Where it is executed So, looking at the diagram we see that dlls and XSL are executed on the server and that JavaScript/jQuery are executed on the client. This is the main thing I like to point out for the following reasons: XSL (for the most part) is faster than JavaScript I actually get this question a lot. Since XSL is executed on the server less data is getting passed over the wire and a beefier machine (hopefully) is doing the processing. The outcome of course is better performance. When You are using jQuery and making Web Service calls you are building XML strings and sending them to the server, then ALL the results come back and the client machine has to parse through the XML and use what it needs and ignore the rest (and there is a lot of garbage that comes back from SharePoint Web Service calls). XSL and JavaScript cannot work together in the same scope Let me clarify. JavaScript can send data back to SharePoint in postbacks that XSL can then use. XSL can output JavaScript and initiate JavaScript variables.  However, XSL cannot call a JavaScript method to get a value and JavaScript cannot directly interact with XSL and call its templates. They are executed in there scope only. No crossing of boundaries here. So, what does this all mean? Well, nothing too deep. This is just some basic fundamental information that all SharePoint devs need to understand. It will help you determine what is the best solution for your specific development situation and it will help the new guys understand why they get an error when trying to call a JavaScript Function from within XSL.  Let me know if you think quick little blogs like this are helpful or just add to the noise. I could probably put together several more that are similar.  As always, thanks for stopping by, hope you learned something new.

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  • Microsoft releases Visual Studio 2010 SP1

    - by brian_ritchie
    Microsoft has been beta testing SP1 since December of last year.  Today, it was released to MSDN subscribers and will be available for public download on March 10, 2011.The service pack includes a slew of fixes, and a number of new features: Silverlight 4 supportBasic Unit Testing support for the .NET Framework 3.5Performance Wizard for SilverlightIntelliTrace for 64-bit and SharePointIIS Express supportSQL CE 4 supportRazor supportHTML5 and CSS3 support (IntelliSense and validation)WCF RIA Services V1 SP1 includedVisual Basic Runtime embeddingALM Improvements Of all the improvements, IIS Express probably has the largest impact on web developer productivity.  According to Scott Gu, it provides the following:It’s lightweight and easy to install (less than 10Mb download and a super quick install)It does not require an administrator account to run/debug applications from Visual Studio It enables a full web-server feature set – including SSL, URL Rewrite, Media Support, and all other IIS 7.x modules It supports and enables the same extensibility model and web.config file settings that IIS 7.x support It can be installed side-by-side with the full IIS web server as well as the ASP.NET Development Server (they do not conflict at all) It works on Windows XP and higher operating systems – giving you a full IIS 7.x developer feature-set on all OS platforms IIS Express (like the ASP.NET Development Server) can be quickly launched to run a site from a directory on disk.  It does not require any registration/configuration steps. This makes it really easy to launch and run for development scenarios.Good stuff indeed.  This will make our lives much easier.  Thanks Microsoft...we're feeling the love!  

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  • Looking for a real-world example illustrating that composition can be superior to inheritance

    - by Job
    I watched a bunch of lectures on Clojure and functional programming by Rich Hickey as well as some of the SICP lectures, and I am sold on many concepts of functional programming. I incorporated some of them into my C# code at a previous job, and luckily it was easy to write C# code in a more functional style. At my new job we use Python and multiple inheritance is all the rage. My co-workers are very smart but they have to produce code fast given the nature of the company. I am learning both the tools and the codebase, but the architecture itself slows me down as well. I have not written the existing class hierarchy (neither would I be able to remember everything about it), and so, when I started adding a fairly small feature, I realized that I had to read a lot of code in the process. At the surface the code is neatly organized and split into small functions/methods and not copy-paste-repetitive, but the flip side of being not repetitive is that there is some magic functionality hidden somewhere in the hierarchy chain that magically glues things together and does work on my behalf, but it is very hard to find and follow. I had to fire up a profiler and run it through several examples and plot the execution graph as well as step through a debugger a few times, search the code for some substring and just read pages at the time. I am pretty sure that once I am done, my resulting code will be short and neatly organized, and yet not very readable. What I write feels declarative, as if I was writing an XML file that drives some other magic engine, except that there is no clear documentation on what the XML should look like and what the engine does except for the existing examples that I can read as well as the source code for the 'engine'. There has got to be a better way. IMO using composition over inheritance can help quite a bit. That way the computation will be linear rather than jumping all over the hierarchy tree. Whenever the functionality does not quite fit into an inheritance model, it will need to be mangled to fit in, or the entire inheritance hierarchy will need to be refactored/rebalanced, sort of like an unbalanced binary tree needs reshuffling from time to time in order to improve the average seek time. As I mentioned before, my co-workers are very smart; they just have been doing things a certain way and probably have an ability to hold a lot of unrelated crap in their head at once. I want to convince them to give composition and functional as opposed to OOP approach a try. To do that, I need to find some very good material. I do not think that a SCIP lecture or one by Rich Hickey will do - I am afraid it will be flagged down as too academic. Then, simple examples of Dog and Frog and AddressBook classes do not really connivence one way or the other - they show how inheritance can be converted to composition but not why it is truly and objectively better. What I am looking for is some real-world example of code that has been written with a lot of inheritance, then hit a wall and re-written in a different style that uses composition. Perhaps there is a blog or a chapter. I am looking for something that can summarize and illustrate the sort of pain that I am going through. I already have been throwing the phrase "composition over inheritance" around, but it was not received as enthusiastically as I had hoped. I do not want to be perceived as a new guy who likes to complain and bash existing code while looking for a perfect approach while not contributing fast enough. At the same time, my gut is convinced that inheritance is often the instrument of evil and I want to show a better way in a near future. Have you stumbled upon any great resources that can help me?

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  • Moving all UI logic to Client Side?

    - by Mag20
    Our team originally consisted of mostly server side developers with minimum expertise in Javascript. In ASP.NET we used to write a lot of UI logic in code-behind or more recently through controllers in MVC. A little while ago 2 high level client side developers joined our team. They can do in HTMl/CSS/Javascript pretty much anything that we could previously do with server-side code and server-side web controls: Show/hide controls Do validation Control AJAX refreshing So I started to think that maybe it would be more efficient to just create a high level API around our business logic, kinda like Amazon Fulfillment API: http://docs.amazonwebservices.com/fws/latest/APIReference/, so that client side developers would fully take over the UI, while server side developers would only concentrate on business logic. So for ordering system you would have a high level API like: OrderService.asmx CreateOrderResponse CreateOrder(CreateOrderRequest) AddOrderItem AddPayment - SubmitPayment - GetOrderByID FindOrdersByCriteria ... There would be JSON/REST access to API, so it would be easy to consume from client-side UI. We could use this API for both internal UI development and also for 3-rd parties to create their own applications. With advances in Javascript and availability of good client side developers, is it a good time to get rid of code-behind/controllers and just concentrate on developing high level APIs (ala Amazon) that client side developers can consume?

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  • Getting Help with 'SEPA' Questions

    - by MargaretW
    What is 'SEPA'? The Single Euro Payments Area (SEPA) is a self-regulatory initiative for the European banking industry championed by the European Commission (EC) and the European Central Bank (ECB). The aim of the SEPA initiative is to improve the efficiency of cross border payments and the economies of scale by developing common standards, procedures, and infrastructure. The SEPA territory currently consists of 33 European countries -- the 28 EU states, together with Iceland, Liechtenstein, Monaco, Norway and Switzerland. Part of that infrastructure includes two new SEPA instruments that were introduced in 2008: SEPA Credit Transfer (a Payables transaction in Oracle EBS) SEPA Core Direct Debit (a Receivables transaction in Oracle EBS) A SEPA Credit Transfer (SCT) is an outgoing payment instrument for the execution of credit transfers in Euro between customer payment accounts located in SEPA. SEPA Credit Transfers are executed on behalf of an Originator holding a payment account with an Originator Bank in favor of a Beneficiary holding a payment account at a Beneficiary Bank. In R12 of Oracle applications, the current SEPA credit transfer implementation is based on Version 5 of the "SEPA Credit Transfer Scheme Customer-To-Bank Implementation Guidelines" and the "SEPA Credit Transfer Scheme Rulebook" issued by European Payments Council (EPC). These guidelines define the rules to be applied to the UNIFI (ISO20022) XML message standards for the implementation of the SEPA Credit Transfers in the customer-to-bank space. This format is compliant with SEPA Credit Transfer version 6. A SEPA Core Direct Debit (SDD) is an incoming payment instrument used for making domestic and cross-border payments within the 33 countries of SEPA, wherein the debtor (payer) authorizes the creditor (payee) to collect the payment from his bank account. The payment can be a fixed amount like a mortgage payment, or variable amounts such as those of invoices. The "SEPA Core Direct Debit" scheme replaces various country-specific direct debit schemes currently prevailing within the SEPA zone. SDD is based on the ISO20022 XML messaging standards, version 5.0 of the "SEPA Core Direct Debit Scheme Rulebook", and "SEPA Direct Debit Core Scheme Customer-to-Bank Implementation Guidelines". This format is also compliant with SEPA Core Direct Debit version 6. EU Regulation #260/2012 established the technical and business requirements for both instruments in euro. The regulation is referred to as the "SEPA end-date regulation", and also defines the deadlines for the migration to the new SEPA instruments: Euro Member States: February 1, 2014 Non-Euro Member States: October 31, 2016. Oracle and SEPA Within the Oracle E-Business Suite of applications, Oracle Payables (AP), Oracle Receivables (AR), and Oracle Payments (IBY) provide SEPA transaction capabilities for the following releases, as noted: Release 11.5.10.x -  AP & AR Release 12.0.x - AP & AR & IBY Release 12.1.x - AP & AR & IBY Release 12.2.x - AP & AR & IBY Resources To assist our customers in migrating, using, and troubleshooting SEPA functionality, a number of resource documents related to SEPA are available on My Oracle Support (MOS), including: R11i: AP: White Paper - SEPA Credit Transfer V5 support in Oracle Payables, Doc ID 1404743.1R11i: AR: White Paper - SEPA Core Direct Debit v5.0 support in Oracle Receivables, Doc ID 1410159.1R12: IBY: White Paper - SEPA Credit Transfer v5 support in Oracle Payments, Doc ID 1404007.1R12: IBY: White Paper - SEPA Core Direct Debit v5 support in Oracle Payments, Doc ID 1420049.1R11i/R12: AP/AR/IBY: Get Help Setting Up, Using, and Troubleshooting SEPA Payments in Oracle, Doc ID 1594441.2R11i/R12: Single European Payments Area (SEPA) - UPDATES, Doc ID 1541718.1R11i/R12: FAQs for Single European Payments Area (SEPA), Doc ID 791226.1

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  • Class design issue

    - by user2865206
    I'm new to OOP and a lot of times I become stumped in situations similar to this example: Task: Generate an XML document that contains information about a person. Assume the information is readily available in a database. Here is an example of the structure: <Person> <Name>John Doe</Name> <Age>21</Age> <Address> <Street>100 Main St.</Street> <City>Sylvania</City> <State>OH</State> </Address> <Relatives> <Parents> <Mother> <Name>Jane Doe</Name> </Mother> <Father> <Name>John Doe Sr.</Name> </Father> </Parents> <Siblings> <Brother> <Name>Jeff Doe</Name> </Brother> <Brother> <Name>Steven Doe</Name> </Brother> </Siblings> </Relatives> </Person> Ok lets create a class for each tag (ie: Person, Name, Age, Address) Lets assume each class is only responsible for itself and the elements directly contained Each class will know (have defined by default) the classes that are directly contained within them Each class will have a process() function that will add itself and its childeren to the XML document we are creating When a child is drawn, as in the previous line, we will have them call process() as well Now we are in a recursive loop where each object draws their childeren until all are drawn But what if only some of the tags need to be drawn, and the rest are optional? Some are optional based on if the data exists (if we have it, we must draw it), and some are optional based on the preferences of the user generating the document How do we make sure each object has the data it needs to draw itself and it's childeren? We can pass down a massive array through every object, but that seems shitty doesnt it? We could have each object query the database for it, but thats a lot of queries, and how does it know what it's query is? What if we want to get rid of a tag later? There is no way to reference them. I've been thinking about this for 20 hours now. I feel like I am misunderstanding a design principle or am just approaching this all wrong. How would you go about programming something like this? I suppose this problem could apply to any senario where there are classes that create other classes, but the classes created need information to run. How do I get the information to them in a way that doesn't seem fucky? Thanks for all of your time, this has been kicking my ass.

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  • Unity on Ubuntu 11.10 - The Dash Home button brings up the panel, but is empty

    - by David M. Coe
    The dash home button brings up a panel that is greyed out, but it is totally empty. It seems to be the very same issue as this: Dash home button brings up blank window which is unanswered. /usr/lib/nux/unity_support_test -p returns OpenGL vendor string: X.Org R300 Project OpenGL renderer string: Gallium 0.4 on ATI RV370 OpenGL version string: 2.1 Mesa 7.11 Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: yes I've tried a unity --reset but that doesn't seem to work. Unity seems to reset, but I get the following warning over and over: cs space validation failed unity What should I do next to try and fix this? Edit: Attempted fixes: I've refomatted, did not work. I've done apt-get remove unity then apt-get update then apt-get install unity, did not work. I've switched to Unity 2d and this seems to work. How can I get regualar Unity working or atleast find the error?

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  • Is there any kind of established architecture for browser based MMO games?

    - by black_puppydog
    I am beginning the development of a broser based game in which players take certain actions at any point in time. Big parts of gameplay will be happening in real life and just have to be entered into the system. I believe a good kind of comparison might be a platform for managing fantasy football, although I have virtually no experience playing that, so please correct me if I am mistaken here. The point is that some events happen in the program (i.e. on the server, out of reach for the players) like pulling new results from some datasource, starting of a new round by a game master and such. Other events happen in real life (two players closing a deal on the transfer of some team member or whatnot - again: have never played fantasy football) and have to be entered into the system. The first part is pretty easy since the game masters will be "staff" and thus can be trusted to a certain degree to not mess with the system. But the second part bothers me quite a lot, especially since the actions may involve multiple steps and interactions with different players, like registering a deal with the system that then has to be approved by the other party or denied and passed on to a game master to decide. I would of course like to separate the game logic as far as possible from the presentation and basic form validation but am unsure how to do this in a clean fashion. Of course I could (and will) put some effort into making my own architectural decisions and prototype different ideas. But I am bound to make some stupid mistakes at some point, so I would like to avoid some of that by getting a little "book smart" beforehand. So the question is: Is there any kind of architectural works that I can read up on? Papers, blogs, maybe design documents or even source code? Writing this down this seems more like a business application with business rules, workflows and such... Any good entry points for that?

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  • design an extendible and pluggable business logic flow handler in php

    - by Broncha
    I am working on a project where I need to allow a pluggable way to inject business processes in the normal data flow. eg There is an ordering system. The standard flow of the application is A consumer orders an item. Pays for it and card is authorized. Admin captures the payment. Order is marked as complete and item is shipped. But this process may vary (extra steps in between) for different clients. Say a client would need to validate the location of the consumer before he is presented with a credit card form, OR his policies might require some other processes in between. I am thinking of using State Pattern for processing orders, saving the current state of the order in database, and initializing the state of order from the saved state. I would also need some mechanism, where a small plugin would be able to inject business specific states in the state machine. Am I thinking the right way? Are there already implemented patterns for this kind of situation? I am working with Codeigniter and basically this would mean for me, to redirect to proper controller according to the current state of the order. Like, if the state of the order is unconfirmed then redirect the user to details page and then change the state to pending. If some client would need to do some validation, then register an intermediate state between unconfirmed and pending Please suggest.

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  • Release Notes for 6/14/2012

    Here are the notes for this week’s release: Diffs in Pull Requests and Commits We altered the way we display diffs across commits and pull requests to maximize the amount of vertical real estate devoted to the diff. Before, the viewport for diffs was always snapped to the height of the browser, which meant that on lower resolutions, the amount of space for viewing diffs could become very tiny. Now, the majority of the browser vertical space is devoted to viewing the diffs. Let us know what you think! Bug Fixes Fixed an issue where returning to the list of files changed from a diff would sometimes not show the list of files. Fixed the dialogs for approving and denying requests to join projects. Fixed various issues around validation of project details when publishing a project. Fixed an issue that caused the formatting of our tabs in pull requests to not display properly. Fixed an issue where users browsing Unicode files in a Git project would see error pages. Fixed various issues where the option to subscribe to notifications would not appear properly. Have ideas on how to improve CodePlex? Visit our ideas page! Vote for your favorite ideas or submit a new one. Got Twitter? Follow us and keep apprised of the latest releases and service status at @codeplex.

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  • Do we ethically have the right to use the MAC Address for verification purposes?

    - by Matt Ridge
    I am writing a program, or starting at the very beginning of it, and I am thinking of purchase verification systems as a final step. I will be catering to Macs, PCs, and possibly Linux if all is said and done. I will also be programming this for smartphones as well using C++ and Objective-C. (I am writing a blueprint before going head first into it) That being said, I am not asking for help on doing it yet, but what I’m looking for is a realistic measurement for what could be expected as a viable and ethical option for purchase verification systems. Apple through the Apple Store, and some other stores out there have their own "You bought it" check. I am looking to use a three prong verification system. Email/password 16 to 32 character serial number using alpha/numeric and symbols with Upper and lowercase variants. MAC Address. The first two are in my mind ok, but I have to ask on an ethical standpoint, is a MAC Address to lock the software to said hardware unethical, or is it smart? I understand if an Ethernet card changes if not part of the logic board, or if the logic board changes so does the MAC address, so if that changes it will have to be re-verified, but I have to ask with how everything is today... Is it ethical to actually use the MAC address as a validation key or no? Should I be forward with this kind of verification system or should I keep it hidden as a secret? Yes I know hackers and others will find ways of knowing what I am doing, but in reality this is why I am asking. I know no verification is foolproof, but making it so that its harder to break is something I've always been interested in, and learning how to program is bringing up these questions, because I don't want to assume one thing and find out it's not really accepted in the programming world as a "you shouldn't do that" maneuver... Thanks in advance... I know this is my first programming question, but I am just learning how to program, and I am just making sure I'm not breaking some ethical programmer credo I shouldn't...

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  • Authenticate with Django 1.5

    - by gorjuce
    I'm currently testing django 1.5 and a custom User model, but I've some problems. I've created a User class in my account app, which looks like: class User(AbstractBaseUser): email = models.EmailField() activation_key = models.CharField(max_length=255) is_active = models.BooleanField(default=False) is_admin = models.BooleanField(default=False) USERNAME_FIELD = 'email' I can correctly register a user, who is stored in my account_user table. Now, how can I log in? I've tried with: def login(request): form = AuthenticationForm() if request.method == 'POST': form = AuthenticationForm(request.POST) email = request.POST['username'] password = request.POST['password'] user = authenticate(username=email, password=password) if user is not None: if user.is_active: login(user) else: message = 'disabled account, check validation email' return render( request, 'account-login-failed.html', {'message': message} ) return render(request, 'account-login.html', {'form': form}) I can correctly register a new User My forms.py which contains my register form class RegisterForm(forms.ModelForm): """ a form to create user""" password = forms.CharField( label="Password", widget=forms.PasswordInput() ) password_confirm = forms.CharField( label="Password Repeat", widget=forms.PasswordInput() ) class Meta: model = User exclude = ('last_login', 'activation_key') def clean_password_confirm(self): password = self.cleaned_data.get("password") password_confirm = self.cleaned_data.get("password_confirm") if password and password_confirm and password != password_confirm: raise forms.ValidationError("Password don't math") return password_confirm def clean_email(self): if User.objects.filter(email__iexact=self.cleaned_data.get("email")): raise forms.ValidationError("email already exists") return self.cleaned_data['email'] def save(self): user = super(RegisterForm, self).save(commit=False) user.password = self.cleaned_data['password'] user.activation_key = generate_sha1(user.email) user.save() return user My question is: Why does authenticate give me None? I know I'm trying to authenticate() with an email as username but is that not one of the reasons to use a custom User model?

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