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• ArchBeat Link-o-Rama for 2012-06-07

  - by Bob Rhubart

  Exalogic Webcast Series: Rethink Your Business Application Deployment Strategy Learn best practices for simplifying IT operations while delivering the application performance that a business needs. These on-demand Sessions include: Faster and Easier: Deploying ERP Applications on Oracle Exalogic Redefining the CRM and E-Commerce Experience with Oracle Exalogic The Road to a Cloud-Enabled, Infinitely Elastic Application Infrastructure Virtualization at Oracle - Six Part Series Links to all six articles in the series by Matthias Pfuetzner and Detlef Drewanz, spanning SPARC and x86. WebCenter Content shared folders for clustering | Kyle Hatlestad A-Team blogger Kyle Hatlestad shares the details on "how the file systems should be split and what options are required." Eclipse DemoCamp - June 2012 - Redwood Shores, CA When: Wednesday, June 13, 2012. 6:00pm - 9:00pm Where: Oracle HQ - 10 Twin Dolphin Drive, Redwood Shores, CA Presentations: The evolution of Java persistence, Doug Clarke, EclipseLink Project Lead, Oracle Integrating BIRT into Applications, Ashwini Verma, Actuate Corporation Developing Rich ADF Applications with Java EE, Greg Stachnick, Oracle Leveraging OSGi In The Enterprise, Kamal Muralidharan, Lead Engineer, eBay NVIDIA® NsightTM Eclipse Edition, Goodwin (Tech lead - Visual tools), Eugene Ostroukhov (Senior engineer – Visual tools) BI Architecture Master Class for Partners - Oracle Architecture Unplugged When:June 21, 2012 Where: City Office, London, UK This workshop will be highly interactive and is aimed at Oracle OPN member partners who are IT Architects and BI+W specialists. This will be a highly interactive session and does not involve slide presentations or product feature details, it addresses IT-Architectural issues and considerations for the IT-Architect Community. Oracle Fusion Middleware Innovation Awards | Oracle Excellence Awards Share your use of Oracle Fusion Middleware solutions and how they help your organization drive business innovation. You just might win a free pass to Oracle Openworld 2012 in San Francisco. Deadline for submissions in July 17, 2012. Oracle Service Bus 11g: listing projects and services with WLST - part 1 | Michel Schildmeijer "For automating and repetitive purposes, as well for uniformity it's always good to have some scripting," says Michel Schildmeijer. Creating an Oracle Endeca Information Discovery 2.3 Application Part 3 : Creating the User Interface | Mark Rittman Oracle ACE Director Mark Rittman continues his article series. WebLogic Advisor WebCasts On-Demand A series of videos by WebLogic experts, available to those with access to support.oracle.com. Integrating OBIEE 11g into Weblogic’s SAML SSO | Andre Correa A-Team blogger Andre Correa illustrates a transient federation scenario. InfoQ: Cloud 2017: Cloud Architectures in 5 Years Andrew Phillips, Mark Holdsworth, Martijn Verburg, Patrick Debois, and Richard Davies review the evolution of cloud computing so far and look five years into the future. Thought for the Day "One cannot make an omelet without breaking eggs – but it is amazing how many eggs one can break without making a decent omelet." — Charles P. Issawi Source: softwarequotes.com

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• CAPTCHA blocking for my scraping script?

  - by Surabhil Sergy

  I am working on a scraping project which involves getting web data and parsing them for further use. I have been working using PHP and CURL to make scraping scripts which crawls web data and I make use of either PHP Dom or Simple HTML DOM Parser library for these kinds of projects. On a recent project I encountered some challenges; initially I found the target website blocked my server IP such that the server could not make any successful requests to the site. Understanding these issues as common I bought a set of private proxies and tried to make request calls using them. Though this could get successful response, I noticed the script is getting some kind of blocks after 2-3 continuous requests. On printing and checking the response I could see a pop-up asking for CAPTCHA validation. I could not see any captcha characters to be entered and it also shows an error “input error: invalid referrer”. On examining the source I could see some Google recaptcha scripts within. I’m stuck at this point and I m not able to execute my script. My script is used for gathering data and it needs to go through a large number of pages periodically over the site. But in the current scenario I am not able to proceed with my script. I could see there are some options to overcome these captcha issues and scraping these kinds of sites too are common. I have been checking my script performance and responses over last two months. I could see during first month I was able to execute very large number of requests from a single IP and I was able to get results. Later I get an IP block and used private proxies which could get me some results. Later I am facing now with the captcha trouble. I would appreciate any help or suggestions in this regard. (Often in this kind of questions I used to get a first comment as, ‘Have you asked for prior permission from the target?’ .I haven’t ,but I know there are many sites doing so to get the details out of sites and target sites may not often give access to them. I respect the legality and scraping etiquettes but I would like to know at what point I stuck and how could I overcome that! ) I could provide any supporting information if needed.

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• Suggestions for connecting .NET WPF GUI with Java SE Server aoo

  - by Sam Goldberg

  BACKGROUND We are building a Java (SE) trading application which will be monitoring market data and sending trade messages based on the market data, and also on user defined configuration parameters. We are planning to provide the user with a thin client, built in .NET (WPF) for managing the parameters, controlling the server behavior, and viewing the current state of the trading. The client doesn't need real-time updates; it will instead update the view once every few seconds (or whatever interval is configured by the user). The client has about 6 different operations it needs to perform with the server, for example: CRUD with configuration parameters query subset of the data receive updates of current positions from server It is possible that most of the different operations (except for receiving data) are just different flavors of managing the configuration parameters, but it's too early in our analysis for us to be sure. To connect the client with the server, we have been considering using: SOAP Web Service RESTful service building a custom TCP/IP based API (text or xml) (least preferred - but we use this approach with other applications we have) As best as I understand, pros and cons of the different web service flavors are: SOAP pro: totally automated in .NET (and Java), modifying server side interface require no code changes in communication layer, just running refresh on Web Service reference to regenerate the classes. con: more overhead in the communication layer sending more text, etc. We're not using J2EE container so maybe doesn't work so well with J2SE REST pro: lighter weight, less data. Has good .NET and Java support. (I don't have any real experience with this, so don't know what other benefits it has.) con: client will not be automatically aware if there are any new operations or properties added (?), so communication layer needs to be updated by developer if server interface changes. con: (both approaches) Server cannot really push updates to the client at regular intervals (?) (However, we won't mind if client polls the server to get updates.) QUESTION What are your opinions on the above options or suggestions for other ways to connect the 2 parts? (Ideally, we don't want to put much work into the communication layer, because it's not the significant part of the application so the more off-the-shelf and automated the better.)

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• Failing report subscriptions

  - by DavidWimbush

  We had an interesting problem while I was on holiday. (Why doesn't this stuff ever happen when I'm there?) The sysadmin upgraded our Exchange server to Exchange 2010 and everone's subscriptions stopped. My Subscriptions showed an error message saying that the email address of one of the recipients is invalid. When you create a subscription, Reporting puts your Windows user name into the To field and most users have no permissions to edit it. By default, Reporting leaves it up to exchange to resolve that into an email address. This only works if Exchange is set up to translate aliases or 'short names' into email addresses. It turns out this leaves Exchange open to being used as a relay so it is disabled out of the box. You now have three options: Open up Exchange. That would be bad. Give all Reporting users the ability to edit the To field in a subscription. a) They shouldn't have to, it should just work. b) They don't really have any business subscribing anyone but themselves. Fix the report server to add the domain. This looks like the right choice and it works for us. See below for details. Pre-requisites: A single email domain name. A clear relationship between the Windows user name and the email address. eg. If the user name is joebloggs, then joebloggs@domainname needs to be the email address or an alias of it. Warning: Saving changes to the rsreportserver.config file will restart the Report Server service which effectively takes Reporting down for around 30 seconds. Time your action accordingly. Edit the file rsreportserver.config (most probably in the folder ..\Program Files[ (x86)]\Microsoft SQL Server\MSRS10_50[.instancename]\Reporting Services\ReportServer). There's a setting called DefaultHostName which is empty by default. Enter your email domain name without the leading '@'. Save the file. This domain name will be appended to any destination addresses that don't have a domain name of their own.

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• Database Mirroring – deprecated

  - by fatherjack

  Do you use mirroring on any of your databases? Do you use mirroring on SQL Server Standard Edition? I do, as a way of having a stand-by server ready to take over if there is a problem with the live server so that business can continue despite whatever disaster may strike at our primary server location. In my experience it has been a great solution for us as it is simple to implement, reliable and predictable. Mirroring has been around since SQL Server 2005 sp1 but with the release of SQL Server 2012 mirroring has now been placed on the deprecation list. That’s right, Microsoft are removing this feature from SQL Server. SQL Server 2012 had lots of improvements and new features around this sort of technology – the High Availability, Disaster recovery and Always On features described in detail here by Brent Ozar and  Microsoft’s own Customer Service and Support SQL Server Engineers . Now the bad news, the HADRON features are pretty much all wrapped up in the Enterprise Edition of SQL Server 2012. This is going to be a big issue for people, like me, who are only on Standard Edition of earlier versions mostly due to our requirements and the budget (or lack thereof) required for Enterprise Edition licenses. No mirroring in Standard Edition means no upgrade. Don’t Panic. There are two stages of deprecation and they dont happen fast. The first stage – Deprecation Announcement- means that Microsoft have decided that there is a limited future for a particular feature and this is your cue that new projects and developments should not be implemented on this technology as it will cease to exist in the future. This is where mirroring currently stands. You have time to consider your options and start work on planning how you will move away from using this feature. This can be 2 or 3 versions of SQL Server, possibly more. The next stage is Deprecation Final Support - this is where you are on your last chance, When you see this then the next version of SQL Server will not have this feature in it so you need to implement your plans to move to an alternative solution. While these two phases are taking place Microsoft are open to feedback on how people use their products and if enough people make the case for mirroring (or an equivalent technology) to be in the Standard Edition then they may make changes rather than lose customers or have customers cease upgrading in order to keep the functionality they need. Denny Cherry (@MrDenny) has published an article on this same topic here with more detail than me so I wont go over old ground. All I will say is that you should read his article now and then follow the link to his own site where he is collecting peoples information on how they use mirroring in Standard Edition so that our voice can be put to Microsoft.  

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• SharePoint Designer 2010 Workflow Email Link To Item

  - by Brian Jackett

  In this post I’ll walk you through the process of sending an email that contains a link to the current item from a SharePoint Designer 2010 workflow.  This is a process that has been published on many other forums and blogs, but many that I have seen are more complex than seems necessary. Problem     A common request from SharePoint users is to get an email which contains a link to review/approve/edit the workflow item.  SharePoint list items contain an automatic property for Url Path, but unfortunately that Url is not properly formatted to retrieve the item if you include it directly on the message body.  I tried a few solutions suggested from other blogs or forums that took a substring of the Url Path property, concatenated the display form view Url, and mixed in some other strings.  While I was able to get this working in some scenarios I still had issues in general. Solution     My solution involved adding a hyperlink to the message body.  This ended up being far easier than I had expected and fairly intuitive once I found the correct property to use.  Follow these steps to see what I did.     First add a “Send an Email” action to your workflow.  Edit the action to pull up the email configuration dialog.  Click the “Add hyperlink” button seen below. When prompted for the address of the link click the fx button to perform a lookup.  Choose Workflow Context from the “data source” dropdown.  Choose Current Item URL from the “field from source” dropdown.  Click OK. Your Edit Hyperlink dialog should now look something like this. The end result will be a hyperlink added to your email pointing to the current workflow item.  Note: this link points to the non-modal dialog display form (display form similar to what you had in 2007). Conclusion     In this post I walked you through the steps to create a SharePoint Designer 2010 workflow with an email that contains a link to the current item.  While there are many other options for accomplishing this out on the web I found this to be a more concise process and easy to understand.  Hopefully you found this helpful as well.  Feel free to leave any comments or feedback if you’ve found other ways that were helpful to you.         -Frog Out

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• Kicking off the ODI12c Blog Series

  - by Madhu Nair

  Normal 0 false false false EN-US ZH-TW X-NONE MicrosoftInternetExplorer4 It is always exciting to talk about a new release, especially one as significant as the newly released Oracle Data Integrator 12c (ODI12c). Why? Because it is packed with features that addresses many requirements for the user community. If you missed sneak previews at this year's Oracle Open World sessions, do not despair. Because over the coming weeks the ODI12c team of developers and consultants will be sharing their perspective on key features, experiences and best practices for ODI12c right here through a series of blogs. Before diving into feature details in subsequent blogs it helps to understand the overall themes that went into developing ODI12c. Let the Productivity Flow: Let us face it. Designing for developer user experience is always top of mind to any enterprise software. ODI12c addresses this through the introduction of declarative flow based mappings (the topic of our next ODI blog by the way!!). Reusability has been addressed though the introduction of reusable mappings cutting down development times for repeated logics. An enhanced debugger makes life easy for complex granular debugging scenarios. Unique repository IDs now allow you to manage multiple repositories. Performance is Paramount: Another major area of focus for ODI12c is performance. Increased parallelism (like the multiple target table load feature), reduced session overheads and ability to customize loads plans through physical views all empower the user to tune run times for extreme performances. mapping showing multiple target load physical representation allowing users to choose execution options Integrating it all: This release is not just about ODI12c as a standalone product. Closer integration with Oracle GoldenGate now brings Change Data Capture (CDC) capabilities into ODI12c. Oracle Warehouse Builder (OWB) jobs can now be executed and monitored from within ODI12c. And ODI12c is fast becoming the de facto standard for Oracle Applications that need data integration in their solutions. The best example being the latest release of the Oracle BI Applications technology. Even as we bring you in-depth write-ups about the features there are some great previews and resources that are already out there. Like this super entry by beta partner Rittman Mead Consulting and this ODI12c Key Features White Paper. You can download ODI12c here (this post helps). The best though is the upcoming Executive Webcast featuring customers and executives who have seen and conceived the product. Don’t miss it!

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• Adjusting the Score on Oracle Text search results

  - by Kyle Hatlestad

  When you sort the results of a search by Score using OracleTextSearch as the search engine in WebCenter Content, the results coming back are based on the relevancy on the document.  In theory, the more relevant the search term is to the document, the higher ranked Score it should receive.  But in practice, the relevancy score can seem somewhat of a mystery.  It's not entirely clear how it ranks the importance of some documents over others based on the search term.  And often times, once a word appears a certain number of times within a document, the Score simply maxes out at 100 and the top results can be difficult to discern from one another.  Take for example the search for 'vacation' on this set of documents: Out of 7 results, 6 of them have a Score of '100' which means they are basically ranked the same.  This doesn't make the sort by Score very meaningful.   Besides sorting by relevance, you can also tell Oracle Text to sort by occurrence.  In that case, it is a much more predictable result in how they would be ranked. And for many cases provide a more meaningful sorting of results then relevance. To change this takes a small component change to the SearchOperatorMap resource.  By default, the query used for full-text searching looks like: <td>(ORACLETEXTSEARCH)fullText</td> <td>DEFINESCORE((%V), RELEVANCE * .1)</td> <td>text</td> Overriding this resource and changing it to: <td>(ORACLETEXTSEARCH)fullText</td> <td>DEFINESCORE((%V), OCCURRENCE * .01)</td>  <td>text</td> will force it to now use occurrence (note the change in scale to .01 as well).  So running the same search and sort options as the example above, the results come out quite a bit differently: In this case, there is a clear understanding of how the items rank.   And generally, if the search term appears 3 times more in one document then another, it's got a better chance of being a document I'm interested in.  You may or may not feel the relevance ranking is better then the search term occurrence, but this provides the opportunity to try an alternate method that might work better for your results.  A pre-built component is available for download here. There is one caveat in using this method.  The occurrence ranking also maxes out at 100, so if a search term is in the document more then that, the Score result will stay at 100.

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• Keybindings for individual letter keys (not modifier-combinations) on a GtkTextView widget (Gtk3 and PyGI)

  - by monotasker

  I've been able to set several keybord shortcuts for a GtkTextView and a GtkTextEntry using the new css provider system. I'm finding, though, that I only seem to be able to establish keybindings for combinations including a modifier key. The widget doesn't respond to any bindings I set up that use: the delete key the escape key individual letter or punctuation keys alone Here's the code where I set up the css provider for the keybindings: #set up style context keys = Gtk.CssProvider() keys.load_from_path(os.path.join(data_path, 'keybindings.css')) #set up style contexts and css providers widgets = {'window': self.window, 'vbox': self.vbox, 'toolbar': self.toolbar, 'search_entry': self.search_entry, 'paned': self.paned, 'notelist_treeview': self.notelist_treeview, 'notelist_window': self.notelist_window, 'notetext_window': self.notetext_window, 'editor': self.editor, 'statusbar': self.statusbar } for l, w in widgets.iteritems(): w.get_style_context().add_provider(keys, Gtk.STYLE_PROVIDER_PRIORITY_USER) Then in keybindings.css this is an example of what works: @binding-set gtk-vi-text-view { bind "<ctrl>b" { "move-cursor" (display-lines, -5, 0) }; /* 5 lines up */ bind "<ctrl>k" { "move-cursor" (display-lines, -1, 0) }; /* down */ bind "<ctrl>j" { "move-cursor" (display-lines, 1, 0) }; /* up */ } Part of what I'm trying to do is just add proper delete-key function to the text widgets (right now the delete key does nothing at all). So if I add a binding like one of these, nothing happens: bind "Delete" { "delete-selection" () }; bind "Delete" { "delete-from-cursor" (chars, 1) }; The other part of what I want to do is more elaborate. I want to set up something like Vim's command and visual modes. So at the moment I'm just playing around with (a) setting the widget to editable=false by hitting the esc key; and (b) using homerow letters to move the cursor (as a proof-of-concept exercise). So far there's no response from the escape key or from the letter keys, even though the bindings work when I apply them to modifier-key combinations. For example, I do this in the css for the text-widget: bind "j" { "move-cursor" (display-lines, 1, 0) }; /* down */ bind "k" { "move-cursor" (display-lines, -1, 0) }; /* up */ bind "l" { "move-cursor" (logical-positions, 1, 0) }; /* right */ bind "h" { "move-cursor" (logical-positions, -1, 0) }; /* left */ but none of these bindings does anything, even if other bindings in the same set are respected. What's especially odd is that the vim-like movement bindings above are respected when I attach them to a GtkTreeView widget for navigating the tree-view options: @binding-set gtk-vi-tree-view { bind "j" { "move-cursor" (display-lines, 1) }; /* selection down */ bind "k" { "move-cursor" (display-lines, -1) }; /* selection up */ } So it seems like there are limitations or overrides of some kind on keybindings for the TextView widget (and for the del key?), but I can't find documentation of anything like that. Are these just things that can't be done with the css providers? If so, what are my alternatives for non-modified keybindings? Thanks.

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• Three Ways to Take Official MySQL for Database Administrators course

  - by Antoinette O'Sullivan

  The MySQL for Database Administrators course is a 5 day course that teaches the key skills essential for MySQL Database Administrators. You can take this course in one of the following three ways: Training on Demand: Get Instructor-led training within 24 hours through streaming-video from your desk. Live Virtual Class: Live instructor-led training from your desk. Over 1000! LVC events on the schedule for the MySQL for Database Administrator course. In Class: See below for a selection of locations where you can take this training For more information on this course or teaching schedule, go to the Oracle University portal and click on MySQL or search under your country/location. A selection of the In-Class schedule for the MySQL for Database Administrator course:  Location  Date  Delivery Language  Mechelen, Belgium  10 Sept 2012  English  Prague, Czech Republic  27 Aug 2012  Czech  Nice, France  24 Sept 2012  French  Paris, France  24 Sept 2012  French  Strasbourg, France  10 Sept 2012  French  Dresden, Germany  20 Aug 2012  German  Gummersbach, Germany  27 Aug 2012  German  Hamburg, Germany  23 July 2012  German  Munich, Germany  16 July 2012  German  Munster, Germany  6 Aug 2012  German  Stuttgart, Germany  9 July 2012  German  London, Great Britan  9 July 2012  English  Belfast, Ireland  27 Aug 2012  English  Rome, Italy  30 July 2012  Italian  Windhof, Luxembourg  26 Nov 2012  English  Nieuwegein, Netherlands  1 Oct 2012  English  Oslo, Norway  10 Sept 2012  English  Warsaw, Poland  9 July 2012  Polish  Lisbon, Portugal  3 Sept 2012  European Portugese  Madrid, Spain  25 Jun 2012  Spanish  Baden Dattwil, Switzerland  19 Nov 2012  German  Zurick, Switzerland  8 Aug 2012  German  Istanbul, Turkey  27 Aug 2012  Turkish  Petaling Jaya, Malaysia  25 Jul 2012  English  Singapore  16 July 2012  English  Brisbane, Australia  30 July 2012  English  Bangkok, Thailand  30 July 2012  Thai  Edmonton, Canada  10 Sept 2012  English  Vancouver, Canada  10 Sept 2012  English  Ottawa, Canada  30 July 2012  English  Toronto, Canada  30 July 2012  English  Montreal, Canada  30 July 2012  English  Mexico City, Mexico  25 Jun 2012  Spanish With these three delivery options and an impressive LVC and In-Class schedule you should find an event to suit your needs. If you are interested in another date or location you can register your interest on the Oracle University portal.

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• Getting WLAN on my Laptop to work (Medion MD98300)

  - by Anand Böhmer

  Dear Ubuntu Community, I am having difficulties to get the WLAN Adapter on my Medion 98300 Laptop to work. The WLAN Card seems to be connected through an internal USB Interface and the Card itself had shown up as a wirelles Network while installing Ubuntu. I have tried a few things earlier, but none of my google reasearches have brought me to a working solution... I am quite new to the Linux System and only knoew a couple of terminal commands so far, so I probably have missed out on a few possible solutions. Maybe you can help me? Thank you very much in advance! A fre minimal technical Details: AMD Turion 64 X2 Dual-Core Mobile Technolgie TL-50 NVIDIA GeForce Go 6150 SanDisk 64GB SSD 2GB RAM DDR2 667 nForce Chipset (I forgt the Version, but deductable from the GPU I guess) WiFi: ZyDAS ZD1211B 802.11g Thank's a lot again! :) UPDATE: I tried around myself a little and found a guide on the Linux Mint forums that helped! I already had tried to install the linux backport modules etc. What I finally did was update the linux firmware and run the following command: echo "options acer_wmi wirelles=1" sudo tee /etc/modprobe.d/acer_wmi.conf and rebooted now I found and could connect to networks, but unfortunately I found, that the link quality was very bad, around 40 to 50. Eventhough my Router is running at high power and is only 6 Meters away! I then switched a few channels, but that did not improve much. Before, under Windows, I had a very good link quality and had the entire 16mbit/s internet connection at disposal, now I can only get about 3-5Mbit/s. better then nothing, but still pretty bad! The "TX power" is fixed on 20dBm and iwconfig says, that the "Power Management" is off... Maybe the power of the module is set too low?... UPDATE2: I figured that 20dBm is a normal power output. I even tried to change the power using iwconfig wlan0 txpower INTEGERHERE but, obviously my "Card" does not support more then 20. More would probably be illegal as well, so I won't even use more then 20. I guess that I will have to figure out a way, or maybe just switch cards. Are the Mailboard-USB-Connectors on a laptop of the same property as the standard external ones? If so, I could simply solder a micro Wirelless N Adapter onto the board :)

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• Own a KINECT for MS-XBOX before anyone does

  Following is the announced by Richik Nandi from Microsoft team. Dear Customer, We believe that our privileged customers shouldn't have to wait for good things. So, here's a special offer exclusively for you. Be one of the first in India to own and experience Kinect for XBOX 360, few days before it is even launched in stores. Introducing the new Kinect for XBOX 360®. Kinect needs no controllers. You are the controller. Kinect brings games and entertainment to life in extraordinary new ways without using a controller. The sensor recognizes your face, eyes and body movements to deliver a superb gaming experience. Easy to use and great fun, Kinect gets everyone off the couch. See a ball? Kick it. Want to join a friend in the fun? Simply jump in. Imagine controlling movies and music with the wave of a hand or the sound of your voice! Kinect is all about fun for you and your family. And the best part is Kinect works with every Xbox 360®. There are two options you can choose from: •  Kinect sensor + 4GB Xbox 360 bundle + Kinect Adventures game at Rs 22,990/-and get Dance Central game worth Rs 1999 from Redington, 20% discount voucher from Starwood on food and beverages, T-shirt from PUMA and a Kinect adventure live card absolutely free using your unique promo code : XbTXXZl2Sb •  Kinect Sensor at Rs 9,500/-and get 20% discount voucher from Starwood on food and beverages, T-shirt from PUMA and a Kinect adventure live card absolutely free using your unique promo code : lDg6o8SuYh We want you to own your Kinect before the official launch. The promotion closes by 10th November. To know more about Kinect click here. To book your Kinect PRE-ORDER now! Enter your details along with the above mentioned promo code to avail of the free gifts offer. We will have your Kinect delivered by 19th November 2010. Enjoy being the controller. Enjoy the Kinect. span.fullpost {display:none;}

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• Deserialize inherited classes into the same list in XNA

  - by M0rgenstern

  I am writing a Gui for a game (for what else ...). Therefor I wrote a class GuiElement which has some serializeable fields. From this class I deflect a Class "Button" which has one serializeable field more. Furthermore, I have a Class GuiWindow, which is as well deflected from "GuiElement". An Object of this Class has a Field "HandledElements" of the type "List". To know the layout of the Menues, I use XML-Files, which look like that (for example): <?xml version="1.0" encoding="utf-8" ?> <XnaContent xmlns:Generic="System.Collections.Generic"> <Asset Type="System.Collections.Generic.List[GUI.GuiWindow]"> <Item> <Position>0 0</Position> <AlternativeImagePath></AlternativeImagePath> <IsActive>true</IsActive> <Name>MainMenu</Name> <HandledElements> <Item> <Position>100 100</Position> <AlternativeImagePath></AlternativeImagePath> <IsActive>true</IsActive> <Name>Optionen</Name> <Caption>Optionen</Caption> </Item> </HandledElements> </Item> <Item> <Position>0 0</Position> <AlternativeImagePath></AlternativeImagePath> <IsActive>false</IsActive> <Name>Options</Name> <HandledElements> </HandledElements> </Item> </Asset> </XnaContent> As you can see, the first window has in its "HandledElements" List an Item with the Field . This is a field which only a Button has. The Problem is now: I can't deserialize this XML file, because GuiElement does not have this Field, it only has the few fields above. I thought it would know automatically which Class to use,but it doesn't. Do I really have to give my windows a list for each child class of GuiElement? Or can I do another workaround?

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• Squid: caching *.swf with variables

  - by stfn

  I'd recently upgraded my Ubuntu 11.10 x64 server to 12.04. In this process Squid was updated from 2.7 to 3.1. Squid 3.1 has many different options witch broke my setup. So I completely removed squid 2.7 and 3.1 and started from scratch. Everything is now working as before except for 1 thing: caching of .swf files with ?/variables. Squid 3 sees a ? as dynamic content and does not cache it. For example, Squid 2.7 was caching the .swf file at http://ninjakiwi.com/Games/Tower-Defense/Play/Bloons-Tower-Defense-5.html and 3.1 is not. <object id="mov" name="movn" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="800" height="620"> <param name="movie" value="http://www.ninjakiwifiles.com/Games/gameswfs/btd5.swf?v=160512-2"> <param name="allowscriptaccess" value="always"> <param name="bgcolor" value="#000000"> <param name="flashvars" value="file=http://www.ninjakiwifiles.com/Games/gameswfs/btd5-dat.swf?v=280512"> <p>Get Flash play Ninja Kiwi games.</p> </object> It is because of the "?v=160512-2" and "?v=280512" part. This line should be responsible for that: refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 But disabling it still doesn't cache the .swf files. How do I configure Squid 3.1 to cache those files? My current config is: acl manager proto cache_object acl localhost src 127.0.0.1/32 ::1 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1 acl SSL_ports port 443 acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl CONNECT method CONNECT acl localnet src 192.168.2.0-192.168.2.255 acl localnet src 192.168.3.0-192.168.3.255 http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost http_access allow localnet http_access deny all http_port 3128 cache_dir ufs /var/spool/squid 10240 16 256 maximum_object_size 100 MB coredump_dir /var/spool/squid3 refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i \.(gif|png|jpg|jpeg|ico)$ 10080 90% 43200 override-expire ignore-no-cache ignore-no-store ignore-private refresh_pattern -i \.(iso|avi|wav|mp3|mp4|mpeg|swf|flv|x-flv)$ 43200 90% 432000 override-expire ignore-no-cache ignore-no-store ignore-private refresh_pattern -i \.(deb|rpm|exe|zip|tar|tgz|ram|rar|bin|ppt|doc|tiff)$ 10080 90% 43200 override-expire ignore-no-cache ignore-no-store ignore-private refresh_pattern -i \.index.(html|htm)$ 0 40% 10080 refresh_pattern -i \.(html|htm|css|js)$ 1440 40% 40320 refresh_pattern Packages\.bz2$ 0 20% 4320 refresh-ims refresh_pattern Sources\.bz2$ 0 20% 4320 refresh-ims refresh_pattern Release\.gpg$ 0 20% 4320 refresh-ims refresh_pattern Release$ 0 20% 4320 refresh-ims refresh_pattern . 0 40% 40320 cache_effective_user proxy cache_effective_group proxy

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• how to convert avi (xvid) to mkv or mp4 (h264)

  - by bcsteeve

  Very noob when it comes to video. I'm trying to make sense of what I"m finding via Google... but its mostly Greek to me. I have a bunch of Avi files that won't play in my WD TV Play box. Mediainfo tells me they are xvid. Specs for the box show that should be fine... but digging through forums says its hit-and-miss. So I'd like to try converting them to h264 encoded MKV or mp4 files. I gather avconv is the tool, but reading the manual just has me really really confused. I tried the very basic example of: avconv -i file.avi -c copy file.mp4 it took less than 4 seconds. And it worked... sort of. It "played" in that something came up on the screen... but there was horrible artifacting and scenes would just sort of melt into each other. I want to preserve quality if possible. I'm not concerned about file size. I'm not terribly concerned with the time it takes either, provided I can do them in a batch. Can someone familiar with the process please give me a command with the options? Thank you for your help. I'm posting the mediainfo in case it helps: General Complete name : \\SERVER\Video\Public\test.avi Format : AVI Format/Info : Audio Video Interleave File size : 189 MiB Duration : 11mn 18s Overall bit rate : 2 335 Kbps Writing application : Lavf52.32.0 Video ID : 0 Format : MPEG-4 Visual Format profile : Advanced Simple@L5 Format settings, BVOP : 2 Format settings, QPel : No Format settings, GMC : No warppoints Format settings, Matrix : Default (H.263) Muxing mode : Packed bitstream Codec ID : XVID Codec ID/Hint : XviD Duration : 11mn 18s Bit rate : 2 129 Kbps Width : 720 pixels Height : 480 pixels Display aspect ratio : 16:9 Frame rate : 29.970 fps Standard : NTSC Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Compression mode : Lossy Bits/(Pixel*Frame) : 0.206 Stream size : 172 MiB (91%) Writing library : XviD 1.2.1 (UTC 2008-12-04) Audio ID : 1 Format : MPEG Audio Format version : Version 1 Format profile : Layer 3 Mode : Joint stereo Mode extension : MS Stereo Codec ID : 55 Codec ID/Hint : MP3 Duration : 11mn 18s Bit rate mode : Constant Bit rate : 192 Kbps Channel(s) : 2 channels Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 15.5 MiB (8%) Alignment : Aligned on interleaves Interleave, duration : 24 ms (0.72 video frame)

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• What are the arguments against parsing the Cthulhu way?

  - by smarmy53

  I have been assigned the task of implementing a Domain Specific Language for a tool that may become quite important for the company. The language is simple but not trivial, it already allows nested loops, string concatenation, etc. and it is practically sure that other constructs will be added as the project advances. I know by experience that writing a lexer/parser by hand -unless the grammar is trivial- is a time consuming and error prone process. So I was left with two options: a parser generator à la yacc or a combinator library like Parsec. The former was good as well but I picked the latter for various reasons, and implemented the solution in a functional language. The result is pretty spectacular to my eyes, the code is very concise, elegant and readable/fluent. I concede it may look a bit weird if you never programmed in anything other than java/c#, but then this would be true of anything not written in java/c#. At some point however, I've been literally attacked by a co-worker. After a quick glance at my screen he declared that the code is uncomprehensible and that I should not reinvent parsing but just use a stack and String.Split like everybody does. He made a lot of noise, and I could not convince him, partially because I've been taken by surprise and had no clear explanation, partially because his opinion was immutable (no pun intended). I even offered to explain him the language, but to no avail. I'm positive the discussion is going to re-surface in front of management, so I'm preparing some solid arguments. These are the first few reasons that come to my mind to avoid a String.Split-based solution: you need lot of ifs to handle special cases and things quickly spiral out of control lots of hardcoded array indexes makes maintenance painful extremely difficult to handle things like a function call as a method argument (ex. add( (add a, b), c) very difficult to provide meaningful error messages in case of syntax errors (very likely to happen) I'm all for simplicity, clarity and avoiding unnecessary smart-cryptic stuff, but I also believe it's a mistake to dumb down every part of the codebase so that even a burger flipper can understand it. It's the same argument I hear for not using interfaces, not adopting separation of concerns, copying-pasting code around, etc. A minimum of technical competence and willingness to learn is required to work on a software project after all. (I won't use this argument as it will probably sound offensive, and starting a war is not going to help anybody) What are your favorite arguments against parsing the Cthulhu way?* *of course if you can convince me he's right I'll be perfectly happy as well

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• Five hours of Task Flow Overview Recordings Available

  - by Frank Nimphius

  In addition to the ADF Controller task flow documentation in Oracle Fusion Middleware Fusion Developer's Guide for Oracle Application Development Framework 11g Release 1 http://download.oracle.com/docs/cd/E21764_01/web.1111/b31974/partpage3.htm#BABHIIAI The ADF Insider website … http://www.oracle.com/technetwork/developer-tools/adf/learnmore/adfinsider-093342.html … hosts five online videos that explain how to build and work with ADF Controller task flows in Oracle ADF. ADF Task Flow - Overview (Part 1) This 90 minute recording introduces the concept of ADF unbounded and bounded task flows, as well as other ADF Controller features. The session starts with an overview of unbounded task flows, bounded task flows and the different activities that exist for developers to build complex application flows. Exception handling and the Train navigation model is also covered in this first part of a two part series. By example of developing a sample application, the recording guides viewers through building unbounded and bounded task flows. This session is continued in a second part. http://download.oracle.com/otn_hosted_doc/jdeveloper/11gdemos/taskflow-overview-p1/taskflow-overview-p1.html ADF Task Flow - Overview (Part 2) This 75 minute session continues where part 1 ended and completes the sample application that guides viewers through different aspects of unbounded and bounded task flow development. In this recording, memory scopes, save for later, task flow opening in dialogs and remote task flow calls are explained and demonstrated. If you are new to ADF Task Flow, then it is recommended to first watch part 1 of this series to be able to follow the explanation guided by the sample application. http://download.oracle.com/otn_hosted_doc/jdeveloper/11gdemos/taskflow-overview-p2/taskflow-overview-p2.html ADF Region Interaction - An Overview This session covers most of the options that exist for communicating between regions. It briefly discusses what it takes to build regions from bounded task flows before going into details using slides and samples. The following interaction is explained: contextual events, queue action in region, input parameters and PPR, drag and drop, shared Data Controls, parent action and region navigation listener. http://download.oracle.com/otn_hosted_doc/jdeveloper/11gdemos/adf-region-interaction/adf-region-interaction.html ADF Region Interaction - Contextual Events Contextual event is used as a communication channel between a parent view and its contained regions, as well as between regions. By example, this session explains how to set up contextual events, how to define producers and event listeners and how to define the payload message. http://download.oracle.com/otn_hosted_doc/jdeveloper/11gdemos/AdfInsiderContextualEvents/AdfInsiderContextualEvents.html

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• Ubuntu Sluggish and Graphics Problem after Nvidia Driver Update

  - by iam

  I just recently started using Ubuntu (12.04) since a few weeks ago and noticed that the interface is very slow and sluggish: On Dash, I have to type the entire app name and wait a few seconds before it shows up in the search box, and a bit later before it displays search result Opening new files or applications takes also quite long and awkward Dragging icons or moving app windows around is not very spontaneous too: I have to take extra attention in moving the mouse otherwise Ubuntu would not do a correct movement or might ends up doing something incorrect instead e.g. opening the windows to full screen options or move the file to different folders, which is frustrating My PC is a few years old already (1.7 GB RAM) so this could be a reason too but when I checked in System Monitor it's hardly ever consuming much memory. Plus web-surfing on Firefox is actually lightning fast (much more than Windows), so I suspect there might be something wrong with the graphics driver (mine is GeForce 7050). I checked around System Settings and found an option to update the Nvidia driver. So I tried it and restarted, as instructed. Now, I got into a big problem upon restart... as the login-screen windows (where I have to type in the password) would take several attempts to display and finally did not manage to (it'd freeze for several seconds before there's any movement again). The background screen also kept reloading several times too and at some point the screen turned black with pixelated color strips running on the bottom 1/3 of the screen, and after a long while the background screen would come up again. Eventually I'd manage to be able to access the desktop but the launcher, top menu bar and app windows border would not disappear. I searched around and found many other people have this similar problem after updating Nvidia driver too, and on some threads the suggestion is to use "killall -u $USER" in command line (it's the only thing among various online suggestions I could do, as at that point I could not access Terminal without the launcher - Ctrl-Alt-T doesn't work for me). So I did that and was able to access the desktop correctly again with launchee/menu by creating a new account. But I would still have the same problem if logging into my original account. So I just finally tried upgrading to 12.10 and now can access my original account with fully-functional desktop - the launcher, menu and windows border are all back now. However, the problem with sluggishness still remains. And now I get scared of ever having to update the Nvidia driver again! I wonder if anyone knows what's the reason that updating the Nvidia driver is causing this problem and is there a way I can update it safely in the future? I'm still not sure how to solve the problem with the sluggishness too and not sure where else to look to find a solution.

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• Friday Fun: Destroy the Web

  - by Mysticgeek

  Another Friday has arrived and it’s time to screw off on company time. Today we take a look at a unique game Add-on for Firefox called Destroy the Web. Destroy the Web Once you install the Add-on and restart Firefox, you’ll see the Destroy the Web icon on the toolbar. Click on it to destroy whatever webpage you’re on.   The game starts up and gives you a 3 second countdown… Now move the target over different elements of the page to destroy them. You have 30 seconds to destroy the site contents. If you are angry at a particular company or the one you work for, this can give you some fun stress relief by destroying it’s website. After you’ve destroyed as much of the page as possible, you’re given a score. You get different amounts of points for destroying certain elements on the page. Basically destroy as much as possible to get the most points. You can submit your score and check out some of the scoreboard leaders as well.  There are some cool sound effects and arcade sounding background music, so make sure to turn the volume down while playing. Or you can go into the Add-on options and disable it. If you want a unique way to let off some steam before the weekend starts, this is a fun way of doing it. Install Destroy the Web for Firefox Similar Articles Productive Geek Tips Friday Fun: Destroy Everything with Indestructo TankWeekend Fun: Easter Egg in Spybot Search & DestroyFriday Fun: BoombotSecure Computing: Create Scheduled Scans With Spybot Search & DestroyFriday Fun: Castle Game Collection TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Dual Boot Ubuntu and Windows 7 What is HTML5? Default Programs Editor – One great tool for Setting Defaults Convert BMP, TIFF, PCX to Vector files with RasterVect Free Identify Fonts using WhatFontis.com Windows 7’s WordPad is Actually Good

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• Developing for Windows CE platform?

  - by grmbl

  I'm looking in creating some applications for workers to use on the workfloor. They'll be using Psion NEO devices running Windows CE 5.0. My skillset allows for C#, PHP, ASP.Net (+ webservices). Application requirements: should connect to our ERP system running on IBM iSeries (AS400). should be run in fullscreen (effectively hiding the OS). usability touch functionality. I have tried the following: Full winform application ran through RDP session: [+] easy deployment using .rdp file. [+] application can be run on desktop environment too. [+] rdp host can easily access DB2 using IBM drivers. [+] GUI works ok on small screen. [-] environment = terminal server. (which is already under heavy use) Full winform application running on device OS: [+] environment = local. [+] responsive. [-] must use a webservice to access DB2. [-] deployment... [-] fixed platform (no desktop) Console application running on device OS: [+] environment = local. [+] very responsive. [-] must use a webservice to access DB2. [-] no fullscreen or other window options? [-] deployment... [-] fixed platform (no desktop) I'm considering creating a web application but it seems the OS comes with IE 5? I don't want to alter the OS in any way! (install other browsers etc.) I would like to have an application that's responsive, easy to deploy, fullscreen and optionally multiplatform. I have seen handheld devices using terminal (emulation?) with a console like interface. This seems to be native to the device but I'm afraid this requires modest knowledge of C++? It seems that using RDP is the way to go but, I came here for advice and look for people that have been in the same situation willing to share their experience. There does not seem to be many "best practices" on the web that could help me decide the best way of working. Greetings

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• Developer – Cross-Platform: Fact or Fiction?

  - by Pinal Dave

  This is a guest blog post by Jeff McVeigh. Jeff McVeigh is the general manager of Performance Client and Visual Computing within Intel’s Developer Products Division. His team is responsible for the development and delivery of leading software products for performance-centric application developers spanning Android*, Windows*, and OS* X operating systems. During his 17-year career at Intel, Jeff has held various technical and management positions in the fields of media, graphics, and validation. He also served as the technical assistant to Intel’s CTO. He holds 20 patents and a Ph.D. in electrical and computer engineering from Carnegie Mellon University. It’s not a homogenous world. We all know it. I have a Windows* desktop, a MacBook Air*, an Android phone, and my kids are 100% Apple. We used to have 2.5 kids, now we have 2.5 devices. And we all agree that diversity is great, unless you’re a developer trying to prioritize the limited hours in the day. Then it’s a series of trade-offs. Do we become brand loyalists for Google or Apple or Microsoft? Do we specialize on phones and tablets or still consider the 300M+ PC shipments a year when we make our decisions on where to spend our time and resources? We weigh the platform options, monetization opportunities, APIs, and distribution models. Too often, I see developers choose one platform, or write to the lowest common denominator, which limits their reach and market success. But who wants to be ?me too”? Cross-platform coding is possible in some environments, for some applications, for some level of innovation—but it’s not all-inclusive, yet. There are some tricks of the trade to develop cross-platform, including using languages and environments that ?run everywhere.” HTML5 is today’s answer for web-enabled platforms. However, it’s not a panacea, especially if your app requires the ultimate performance or native UI look and feel. There are other cross-platform frameworks that address the presentation layer of your application. But for those apps that have a preponderance of native code (e.g., highly-tuned C/C++ loops), there aren’t tons of solutions today to help with code reuse across these platforms using consistent tools and libraries. As we move forward with interim solutions, they’ll improve and become more robust, based, in no small part, on our input. What’s your answer to the cross-platform challenge? Are you fully invested in HTML5 now? What are your barriers? What’s your vision to navigate the cross-platform landscape?  Here is the link where you can head next and learn more about how to answer the questions I have asked: https://software.intel.com/en-us Republished with permission from here. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL Tagged: Intel

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• changing drive nodes & hdparm

  - by Kalamalka Kid

  I am currently attempting to create a command that works at startup to kill the power on two of my very noisy hard drives. I have edited the etc/rc.local file to include this command: sudo hdparm -y /dev/sdc sudo hdparm -y /dev/sdd exit 0 While I think this should work, it seems the allocated drives keep switching around every time I reboot. I have sda, sdb, sdc, sdd, and sde but they keep getting jumbled around (making the drive I wish to shut different than sdd which is making the task of shutting down the right drive on start-up quite cumbersome. I had a perfectly functioning ftstab file working which disappeard, but I restored it from the back up into the etc/ dir: # <file system> <mount point> <type> <options> <dump> <pass> #Entry for /dev/sda1 : UUID=43c09daf-08a5-44f2-89b0-fc7c6f0d1e67 / ext4 errors=remount-ro 0 1 #Entry for /dev/sdd1 : UUID=443AFBAD7FE50945 /media/DX100 ntfs-3g defaults,nosuid,nodev,locale=en_CA.UTF-8 0 0 #Entry for /dev/sdb1 : UUID=FCE456F5E456B21E /media/GalaxyM83 ntfs-3g defaults,nosuid,nodev,locale=en_CA.UTF-8 0 0 #Entry for /dev/sdf1 : UUID=1CA057FDA057DBB8 /media/Holideck ntfs-3g defaults,nosuid,nodev,locale=en_CA.UTF-8 0 0 #Entry for /dev/sdc1 : UUID=7ABB49654B799D40 /media/JX3P ntfs defaults,nosuid,nodev,locale=en_CA.UTF-8 0 0 it seems every time I boot the order of the drives changes. I do not know how to resolve this. A quick workaround the problem was to go with UUID instead of the DEV letter by editing the etc/rc.local file to include: hdparm -y /dev/disk/by-uuid/443AFBAD7FE50945 hdparm -y /dev/disk/by-uuid/7ABB49654B799D40 So I thought I was in the clear, as I heard both hard drives die down during the boot sequence, BUT, as soon as I log in both drives start up again! so now I have to figure out what is making them start up again after log in, or perhaps another way to get them to turn off. Is there some kind of command i can get to execute after log in? I tried editing the startup applications to include an autossh with: autoshh - sudo hdparm -y /dev/disk/by-uuid/7ABB49654B799D40 autoshh - sudo hdparm -y /dev/disk/by-uuid/443AFBAD7FE50945 but this did not seem to work to turn off the disks after log in.

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• Regular Expression Transformation

  The regular expression transformation exposes the power of regular expression matching within the pipeline. One or more columns can be selected, and for each column an individual expression can be applied. The way multiple columns are handled can be set on the options page. The AND option means all columns must match, whilst the OR option means only one column has to match. If rows pass their tests then rows are passed down the successful match output. Rows that fail are directed down the alternate output. This transformation is ideal for validating data through the use of regular expressions. You can enter any expression you like, or select a pre-configured expression within the editor. You can expand the list of pre-configured expressions yourself. These are stored in a Xml file, %ProgramFiles%\Microsoft SQL Server\nnn\DTS\PipelineComponents\RegExTransform.xml, where nnn represents the folder version, 90 for 2005, 100 for 2008 and 110 for 2012. If you want to use regular expressions to manipulate data, rather than just validating it, try the RegexClean Transformation. The component is provided as an MSI file, however for 2005/200 you will have to add the transformation to the Visual Studio toolbox by hand. This process has been described in detail in the related FAQ entry for How do I install a task or transform component?, just select Regular Expression Transformation in the Choose Toolbox Items window. Downloads The Regular Expression Transformation is available for SQL Server 2005, SQL Server 2008 (includes R2) and SQL Server 2012. Please choose the version to match your SQL Server version, or you can install multiple versions and use them side by side if you have more than one version of SQL Server installed. Regular Expression Transformation for SQL Server 2005 Regular Expression Transformation for SQL Server 2008 Regular Expression Transformation for SQL Server 2012 Version History SQL Server 2012Version 2.0.0.87 - SQL Server 2012 release. Includes upgrade support for both 2005 and 2008 packages to 2012. (5 Jun 2012) SQL Server 2008Version 2.0.0.87 - Release for SQL Server 2008 Integration Services. (10 Oct 2008) SQL Server 2005 Version 1.1.0.93 - Added option for you to choose AND or OR logic when multiple columns have been selected. Previously behaviour was OR only. (31 Jul 2008) Version 1.0.0.76 - Installer update and improved exception handling. (28 Jan 2008) Version 1.0.0.41 - Update for user interface stability fixes. (2 Aug 2006) Version 1.0.0.24 - SQL Server 2005 RTM Refresh. SP1 Compatibility Testing. (12 Jun 2006) Version 1.0.0.9 - Public Release for SQL Server 2005 IDW 15 June CTP (29 Aug 2005) Screenshots  

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• An Epic Question "How to call a method when the page loads"

  - by Arunkumar Ramamoorthy

  Quite often, there comes a question in OTN, with different subjects, all meaning "How to call a method when my ADF page loads?". More often, people tend to take the approach of ADF Phase Listener by overriding before/afterPhase methods.In this blog, we will go through different options in achieving it.1. Method Call Activity as default activity in Taskflow :If the application is built with taskflows, then this is the best suited approach to take. 1.a. Calling a Data Control Method :To call a Data Control method (ex: A method in AMImpl exposed as client interface), simply Drag and Drop the method as Default Method Call Activity, then draw a control flow case from the method to your page. Once after this, drop the taskflow as region in main page. When we run the main page, the Method Call Activity would be called first, and then the page will be rendered.1.b. Calling a Method in Backing Bean: To call a method in the backing bean before pageload, we can follow the similar approach as above. Instead of binding the Method Call Activity to an action/method binding in pagedef, we bind to the method. Insert a Method Call Activity (and make it as default) from the Component Palette. Double click on to select a method to bind. This approach can also be used, to perform some action in backing bean along with calling a method Data Control (just need to add bindings code in backing bean to execute DC method). 2. Using invokeAction Executable :If the application is built with pages and no taskflows are involved, then this option can be taken into consideration.In the page definition of the page, add an invokeAction Executable and bind it to the method needed to be executed. 3. Using combination of Server and Client Listeners : If the page does not have any page definition, then to call a method in backing bean, this approach can be taken. In this, a serverListener would be added at the document level, which would be calling the method in backing bean. Along with this, a clientListener would be added with "load" type (i.e will be triggered when the page loads), which would queue a serverEvent to trigger the method. 4. Using Page Phase Listener :This should be the last resort. Care should be taken when using this approach since the Phase Listener would be called for each request sent by the client.Zeeshan Baig's blog covers this scenario.

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• An Epic Question "How to call a method when the page loads"

  - by Arunkumar Ramamoorthy

  Quite often, there comes a question in OTN, with different subjects, all meaning "How to call a method when my ADF page loads?". More often, people tend to take the approach of ADF Phase Listener by overriding before/afterPhase methods.In this blog, we will go through different options in achieving it.1. Method Call Activity as default activity in Taskflow :If the application is built with taskflows, then this is the best suited approach to take. 1.a. Calling a Data Control Method :To call a Data Control method (ex: A method in AMImpl exposed as client interface), simply Drag and Drop the method as Default Method Call Activity, then draw a control flow case from the method to your page. Once after this, drop the taskflow as region in main page. When we run the main page, the Method Call Activity would be called first, and then the page will be rendered.1.b. Calling a Method in Backing Bean: To call a method in the backing bean before pageload, we can follow the similar approach as above. Instead of binding the Method Call Activity to an action/method binding in pagedef, we bind to the method. Insert a Method Call Activity (and make it as default) from the Component Palette. Double click on to select a method to bind. This approach can also be used, to perform some action in backing bean along with calling a method Data Control (just need to add bindings code in backing bean to execute DC method). 2. Using invokeAction Executable :If the application is built with pages and no taskflows are involved, then this option can be taken into consideration.In the page definition of the page, add an invokeAction Executable and bind it to the method needed to be executed. 3. Using combination of Server and Client Listeners : If the page does not have any page definition, then to call a method in backing bean, this approach can be taken. In this, a serverListener would be added at the document level, which would be calling the method in backing bean. Along with this, a clientListener would be added with "load" type (i.e will be triggered when the page loads), which would queue a serverEvent to trigger the method. 4. Using Page Phase Listener :This should be the last resort. Care should be taken when using this approach since the Phase Listener would be called for each request sent by the client.Zeeshan Baig's blog covers this scenario.

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