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• EPM 11.1.2.2.000 release - considerations

  - by THE

  (guest Article by Nancy) Please be aware with the upcoming release of EPM v11.1.2.2.000, it is highly recommended you first read the"ORACLE® ENTERPRISE PERFORMANCE MANAGEMENT SYSTEM 11.1.2.2.000 Readme" prior to installing this release. We want to highlight the "Installation Information" section which includes the following late-breaking information: Business Rules Migration to Calculation Manager Oracle Hyperion Calculation Manager has replaced Oracle Hyperion Business Rules as the mechanism for designing and managing business rules, therefore, Business Rules is no longer released with EPM System Release 11.1.2.2. If you are applying 11.1.2.2 as a maintenance release, or upgrading to Release 11.1.2.2, and have been using Business Rules in an earlier release, you must migrate to Calculation Manager rules in Release 11.1.2.2. (See Oracle Enterprise Performance Management System Installation and Configuration Guide.) Planning User Interface Enhancements This release of Planning includes a large number of user interface enhancements, as described in Oracle Hyperion Planning New Features. To optimize performance with these new features, you must implement the following recommended configuration. Server: 64-bit, 16 GB physical RAM Client: Optimized for Internet Explorer 9 and Firefox 10 or higher Client-to-Server Connectivity: High-speed internet connection or VPN connection between client and server, client-to-server ping time < 150 milliseconds for best performance The new, improved Planning user interface requires efficient browsers to handle interactivity provided through Web 2.0 like functionality. In our testing, Internet Explorer 7, Internet Explorer 8, and Firefox 3.x are not sufficient to handle such interactivity, and the responsiveness in these versions of browsers is not as fast as the user interface in the previous releases of Planning. For this reason, we strongly recommend that you upgrade your browser to Internet Explorer 9 or Firefox 10 to get responsiveness similar to what you experienced in previous releases. In some instances, the response times in Internet Explorer 7, Internet Explorer 8 and Firefox 3.x could be acceptable. Hence, we suggest that you uptake the new user interface only after you conduct an end user response test and you are satisfied with the results of these tests for these versions of browsers. Please note that it is still possible to leverage the old user interface and features from Planning Release 11.1.2.1. (For more information, see “Using the Planning Release 11.1.2.1 User Interface and Features” in the Oracle Hyperion Planning Administrator's Guide.) IBM HTTP Server and IIS Default Ports Both IBM HTTP Server and IIS Web Server use 80 as their default port. If you are using WebSphere, you must change one of these defaults so that there is no port conflict. If you have further questions, please utilize the  Planning or Essbase MOS Community.

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• SQL SERVER – Backup SQL databases to Box or SkyDrive

  - by Pinal Dave

  To ensure your SQL Server or Azure databases remain safe, you should backup your databases periodically. And it is important to store the backups in a reliable location. Microsoft SkyDrive currently offers 7GB free, Box offers 5GB free – both are reliable and it is simple to send your backups there. SQLBackupAndFTP in it’s latest version 9 added the option to backup to SkyDrive and Box ( in addition to local/network folder, NAS drive, FTP, Dropbox, Google Drive and Amazon S3). Just select the databases that you’d like to backup and select to store the backups in SkyDrive or Box. Below I will show you how to do it in details Select databases to backup First connect to your SQL Server or Azure Sql Database. Then select the databases you’d like to backup. Connect to SkyDrive or Box cloud If you have a free version of SQLBackupAndFTP Box destination is included, but SkyDrive destination will be disabled as it is available in the Standard version or above. Click “Try now” to get 30 days trial on all options On the “SkyDrive Settings” form you’ll need to authorize SQLBackupAndFTP to access your SkyDrive. Click “Authorize…” to open SkyDrive authorization page in your browser, sign in your to SkyDrive account and click at “Allow” . On the next page you will see the field with authorization code. Copy it to the clipboard. Box operation is just the same. After that return to SQLBackupAndFTP, paste the authorization code and click “OK” . After you are authorized, you can enter the path to a backup folder. SQLBackupAndFTP will create the folder if it does not exist. That’s all what has to be done to backup to SkyDrive or Box cloud.  You can now click on “Run Now” button to test this job. Conclusion Whatever is your preference for storing SQL backups, it is easy with SQLBackupAndFTP. Note that at the time of this writing they are running a very rare promotion on volume licenses: 5–9 licenses: 20% off 10–19 licenses: 35% off more than 20 licenses: 50% off Please let me know your favorite options for storing the backups. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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• Launching Agile PLM 9.3.3!

  - by Shane Goodwin

  Ten months ago we announced the availability of Agile PLM 9.3.2. Today I have the great pleasure to announce availability of Agile PLM 9.3.3 and AutoVue for Agile PLM 20.2.2 - both are immediately available on Oracle Software Delivery Cloud. In this same timeframe our team has also published Oracle PLM Mobile 1.0, EC MCAD 3.1, and EC MCAD 3.2. Agile PLM 9.3.3 focuses on improving management business processes, improving management of intellectual property, and overall product improvements based on customer feedback. In this short timeframe, we have made very significant progress on all three fronts. The Agile PLM 9.3.3 What’s New Whitepaper discusses all of the new capabilities. Looking forward, we will continue to deliver new releases with laser focus on solving real business problems and making users more productive. With our release of Innovation Management, you will be seeing dramatic new capability to help manage the innovation funnel and the processes to determine what product projects to fund. You will also see us continue this accelerated cadence in releasing new features for Agile PLM. All Agile PLM 9.3.3 Documentation is now available, including an initial version of the Capacity Planning Guide (CPG). As usual, we will be updating the CPG in a few months when we complete our performance and breakpoint testing. Like with other recent Agile PLM versions, the Product Management team has recorded Transfer of Information (TOI) sessions to educate you about the new features. The TOI sessions can be accessed in My Oracle Support on note 1589164.1. As with all other releases, we have also published new versions (1.7.5) of Averify (Patch ID 17583605) and AUT (Patch ID 17583592) in My Oracle Support. Again this year I look forward to seeing many of you at the Oracle Value Chain Summit (February 3-5, San Jose, CA), to talk more about this new release and all of the fascinating ways our customers and partners are driving business value with Agile PLM. 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-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0in; line-height:107%; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}

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• Redgate ANTS Performance Profiler

  - by Jon Canning

  Seemingly forever I've been working on a business idea, it's a REST API delivering content to mobiles, and I've never really had much idea about its performance. Yes, I have a suite of unit tests and integration tests, but these only tell me that it works, not how well it works. I was also about to embark on a major refactor, swapping the database from MongoDB to RavenDB, and was curious to see if that impacted performance at all, so I needed a profiler that supported IIS Express that I can run my integration tests against, and Google gave me:   http://www.red-gate.com/supportcenter/content/ANTS_Performance_Profiler/help/7.4/app_iise   Excellent. Following the above guide an instance of IIS Express and is launched, as is Internet Explorer. The latter eventually becomes annoying, I would like to decide whether I want a browser opened, but thankfully the guide is wrong in that it can be closed and profiling will continue. So I ran my tests, stopped profiling, and was presented with a call tree listing the endpoints called and allowing me to drill down to the source code beneath.     Although useful and fascinating this wasn't what I was expecting to see, I was after the method timings from the entire test suite. Switching Show to Methods Grid presented me with a list of my methods, with the slowest lit up in red at the top. Marvellous.     I did find that if you switch to Methods Grid before Call tree has loaded, you do not get the red warnings.   StructureMap was very busy, and next on the list was a request filter that I didn't expect to be so overworked. Highlighting it, the source code was presented to me in the bottom window with timings and a nice red indicator to show me where to look. Oh horror, that reflection hack I put in months ago, I'd forgotten all about it. It was calling Validate<T>() which in turn was resolving a validator from StructureMap. Note to self, use //TODO: when leaving smelly code lying around.     Before refactoring, remember to Save Profile Results from the File menu. Annoyingly you are not prompted to save your results when exiting, and using Save Project will only leave you thankful that you have version control and can go back in time to run your tests again.   Having implemented StructureMap’s ForGenericType, I ran my tests again and:     Win, thankyou ANTS (What does ANTS stand for BTW?)   There's definitely room in my toolbox for a profiler; what started out as idle curiosity actually solved a potential problem. When presented with a new codebase I can see enormous benefit from getting an overview of the pipeline from the call tree before drilling into the code, and as a sanity check before release it gives a little more reassurance that you've done your best, and shows you exactly where to look if you haven’t.   Next I’m going to profile a load test.

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• Unexpected results for projection on to plane

  - by ravenspoint

  I want to use this projection matrix: GLfloat shadow[] = { -1,0,0,0, 1,0,-1,1, 0,0,-1,0, 0,0,0,-1 }; It should cast object shadows onto the y = 0 plane from a point light at 1,1,-1. I create a rectangle in the x = 0.5 plane glBegin( GL_QUADS ); glVertex3f( 0.5,0.2,-0.5); glVertex3f( 0.5,0.2,-1.5); glVertex3f( 0.5,0.5,-1.5); glVertex3f( 0.5,0.5,-0.5); glEnd(); Now if I manually multiply these vertices with the matrix, I get. glBegin( GL_QUADS ); glVertex3f( 0.375,0,-0.375); glVertex3f( 0.375,0,-1.625); glVertex3f( 0,0,-2); glVertex3f( 0,0,0); glEnd(); Which produces a reasonable display ( camera at 0,5,0 looking down y axis ) So rather than do the calculation manually, I should be able to use the opengl model transormation. I write this code: glMatrixMode (GL_MODELVIEW); GLfloat shadow[] = { -1,0,0,0, 1,0,-1,1, 0,0,-1,0, 0,0,0,-1 }; glLoadMatrixf( shadow ); glBegin( GL_QUADS ); glVertex3f( 0.5,0.2,-0.5); glVertex3f( 0.5,0.2,-1.5); glVertex3f( 0.5,0.5,-1.5); glVertex3f( 0.5,0.5,-0.5); glEnd(); But this produces a blank screen! What am I doing wrong? Is there some debug mode where I can print out the transformed vertices, so I can see where they are ending up? Note: People have suggested that using glMultMatrixf() might make a difference. It doesn't. Replacing glLoadMatrixf( shadow ); with glLoadIdentity(); glMultMatrixf( shadow ); gives the identical result ( of course! )

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• SCHA API for resource group failover / switchover history

  - by krishna.k.murthy

  The Oracle Solaris Cluster framework keeps an internal log of cluster events, including switchover and failover of resource groups. These logs can be useful to Oracle support engineers for diagnosing cluster behavior. However, till now, there was no external interface to access the event history. Oracle Solaris Cluster 4.2 provides a new API option for viewing the recent history of resource group switchovers in a program-parsable format. Oracle Solaris Cluster 4.2 provides a new option tag argument RG_FAILOVER_LOG for the existing API command scha_cluster_get which can be used to list recent failover / switchover events for resource groups. The command usage is as shown below: # scha_cluster_get -O RG_FAILOVER_LOG number_of_days number_of_days : the number of days to be considered for scanning the historical logs. The command returns a list of events in the following format. Each field is separated by a semi-colon [;]: resource_group_name;source_nodes;target_nodes;time_stamp source_nodes: node_names from which resource group is failed over or was switched manually. target_nodes: node_names to which the resource group failed over or was switched manually. There is a corresponding enhancement in the C API function scha_cluster_get() which uses the SCHA_RG_FAILOVER_LOG query tag. In the example below geo-infrastructure (failover resource group), geo-clusterstate (scalable resource group), oracle-rg (failover resource group), asm-dg-rg (scalable resource group) and asm-inst-rg (scalable resource group) are part of Geographic Edition setup. # /usr/cluster/bin/scha_cluster_get -O RG_FAILOVER_LOG 3 geo-infrastructure;schost1c;;Mon Jul 21 15:51:51 2014 geo-clusterstate;schost2c,schost1c;schost2c;Mon Jul 21 15:52:26 2014 oracle-rg;schost1c;;Mon Jul 21 15:54:31 2014 asm-dg-rg;schost2c,schost1c;schost2c;Mon Jul 21 15:54:58 2014 asm-inst-rg;schost2c,schost1c;schost2c;Mon Jul 21 15:56:11 2014 oracle-rg;;schost2c;Mon Jul 21 15:58:51 2014 geo-infrastructure;;schost2c;Mon Jul 21 15:59:19 2014 geo-clusterstate;schost2c;schost2c,schost1c;Mon Jul 21 16:01:51 2014 asm-inst-rg;schost2c;schost2c,schost1c;Mon Jul 21 16:01:10 2014 asm-dg-rg;schost2c;schost2c,schost1c;Mon Jul 21 16:02:10 2014 oracle-rg;schost2c;;Tue Jul 22 16:58:02 2014 oracle-rg;;schost1c;Tue Jul 22 16:59:05 2014 oracle-rg;schost1c;schost1c;Tue Jul 22 17:05:33 2014 Note that in the output some of the entries might have an empty string in the source_nodes. Such entries correspond to events in which the resource group is switched online manually or during a cluster boot-up. Similarly, an empty destination_nodes list indicates an event in which the resource group went offline. - Arpit Gupta, Harish Mallya

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• Remote Task Flow vs. WSRP Portlets

  - 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 remote task flow is bounded task flow that is deployed as a stand-alone Java EE application on a remote server with its URL Invoke property set to url-invoke-allowed. The remote task flow is accessed either from a direct browser GET request or, when called from another ADF application, through the task flow call activity. For more information about how to invoke remote task flows from a task flow call activity see chapter 15.6.4 How to Call a Bounded Task Flow Using a URL of the Oracle Fusion Middleware Fusion Developer's Guide for Oracle Application Development Framework at http://docs.oracle.com/cd/E23943_01/web.1111/b31974/taskflows_activities.htm#CHDJDJEF Compared to WRSP portlets, remote task flows in Oracle JDeveloper 11g R1 and R2 have a functional limitation in that they cannot be embedded as a region on a page but require the calling ADF application to navigate off to another application and page. The difference between a remote task flow call using the task flow call activity and a simple redirect to a remote Java EE application is that the remote task flow has a state token attached that allows to restore the state of the calling application upon task flow return. A use case for a remote task flow call activity is a "yellow page lookup" scenario in which different ADF applications use an remote task flow to lookup people, products or similar to return a selected value to the calling application. Note that remote task flow calls need to be performed from a bounded or unbounded top level task flow of the calling application. If called from a region (using the parent call activity) in a page, the region state is not recovered upon task flow return. ADF developers recently have identified remote task flows as an architecture pattern to partition their ADF applications into independently deployed Java EE applications. While this sounds like a desirable use of the remote task flow feature, it is not possible to achieve for as long as remote task flows don't render as an ADF region.

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• `make install` fails apparently due to typo, but not in makefile: How to find and fix?

  - by Archelon

  I'm trying to install the fujitsu-usb-touchscreen drivers from here, on Kubuntu 12.04 on my new Fujitsu LifeBook P1630. (See fujitsu-usb-touchscreen on kubuntu 13.04 (64-bit) on P1630: `make` errors.) I downloaded the .zip file, unzipped it, and ran make in the directory thus created; this all worked as expected. However, when I run sudo checkinstall (which invokes make install), things go less well. On the first attempt the installation aborted with the following error: make: execvp: /etc/init.d/fujitsu_touchscreen: Permission denied make: *** [install] Error 127 I eventually resolved this by $ sudo chmod +x /etc/init.d/fujitsu_touchscreen But although a second sudo checkinstall then does not give the execvp error, it still fails at a later stage, and the log (on stdout) shows this dpkg error: dpkg: error processing /home/archelon/fujitsu-touchscreen-driver/cybergene-fujitsu-usb-touchscreen-112fdb75b406/cybergene-fujitsu-usb-touchscreen-112fdb75b406_amd64.deb (--install): unable to create `/sys/module/fujitsu/usb/touchscreen/parameters/touch_maxy.dpkg-new' (while processing `/sys/module/fujitsu/usb/touchscreen/parameters/touch_maxy'): No such file or directory And, indeed, there is no /sys/module/fujitsu/usb/touchscreen/parameters/touch_maxy; there is, however, /sys/module/fujitsu_usb_touchscreen/parameters/touch_maxy, and this is presumably what was intended. But this incorrect filename does not appear in the makefile or any other file in the directory, at least not that I can find. Nor does it appear, as I discovered after running sudo checkinstall --install=no as suggested below, in the .deb package created by checkinstall. Where might such a typographical error be originating, and how would I go about fixing it? Edited to add: I'm viewing the contents of the .deb file with ark, Kubuntu's default tool. It contains only three files: control.tar.gz, data.tar.gz, and debian-binary. data.tar.gz contains the directory tree that appears to match up to the usual root filesystem, with /etc, /lib, /sys, and /usr directories. (Looking at other .deb files on my system, this structure appears to be typical.) Here's a screenshot: . (Full size.) Here's another screenshot showing that control.tar.gz contains three files, one of which is empty: . (Full size.) Here's the actual .deb file: https://www.dropbox.com/s/odwxxez0fhyvg7a/cybergene-fujitsu-usb-touchscreen_112fdb75b406-1_amd64.deb Edited 2013-09-28 to add: After reinstalling Kubuntu 12.04 again, this time recreating the /home partition (which, again, had been generated during an install of 13.04), I can no longer reproduce this error. I am still curious to know how the underscores got changed to slashes, but it looks as though nobody has any idea. It is perhaps also of interest to note that while I have still not successfully run checkinstall against this package, I have done make install; it requires the executabilization of /etc/init.d/fujitsu_touchscreen and the installation of hal, and the GUI freezes shortly after installation completes, and there is no particular new functionality afterwards that I have noticed, and the system can no longer resume from being suspended; however, this will be pursued elsewhere.

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• New Version Demonstration VM BIC2g 2013-04 Partner Edition

  - by Mike.Hallett(at)Oracle-BI&EPM

  Normal 0 false false false EN-GB X-NONE X-NONE MicrosoftInternetExplorer4 This Oracle Business Intelligence Linux VM virtual appliance (“BIC2g”) was developed to support Oracle OBI & BI-Apps sales and Oracle partners in product demonstrations, training activities and POC activities. It is available on ftp.oracle.com (see the deployment guide and “BIC2g 2013-04 Partner Edition Readme” pdf from the link below) and is available for OPN member partners. This BIC2g image is based on OBIEE v. 11.1.1.7. with Essbase and Essbase Studio Server started when starting BI. It also contains: Updated BI-Apps Cross Functional Demo (date advanced from 2011 to 2013), including DAC 11.1.1.6.4, Informatica 9.0.1 and is configured for a load against EBS R12. Both the 7.9.6.3 rpd/catalog and the 7.9.6.4 rpd/catalog versions of BI-Apps are provided. Updated integrated Essbase - BI Apps - EBS Demo (date advanced from 2009 to 2013. Re-configured BI Apps Data Sets to remove VPD (simplification) and greatly improved performance. Note that this image is identical to Oracle’s internal BI demonstration image, except that Endeca has been removed pending Endeca latest version availability on OTN. Once it is available on OTN we will provide a replacement that contains Endeca. Some of the screen shots in the “Readme”.pdf shows Endeca, but it is not on this (2013-04) image. The FTP access details and password are shown at the bottom of the page @ BI Solutions Engineering Partner Portal. /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-fareast-language:EN-US;}

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• How can I attach a model to the bone of another model?

  - by kaykayman

  I am trying to attach one animated model to one of the bones of another animated model in an XNA game. I've found a few questions/forum posts/articles online which explain how to attach a weapon model to the bone of another model (which is analogous to what I'm trying to achieve), but they don't seem to work for me. So as an example: I want to attach Model A to a specific bone in Model B. Question 1. As I understand it, I need to calculate the transforms which are applied to the bone on Model B and apply these same transforms to every bone in Model A. Is this right? Question 2. This is my code for calculating the Transforms on a specific bone. private Matrix GetTransformPaths(ModelBone bone) { Matrix result = Matrix.Identity; while (bone != null) { result = result * bone.Transform; bone = bone.Parent; } return result; } The maths of Matrices is almost entirely lost on me, but my understanding is that the above will work its way up the bone structure to the root bone and my end result will be the transform of the original bone relative to the model. Is this right? Question 3. Assuming that this is correct I then expect that I should either apply this to each bone in Model A, or in my Draw() method: private void DrawModel(SceneModel model, GameTime gametime) { foreach (var component in model.Components) { Matrix[] transforms = new Matrix[component.Model.Bones.Count]; component.Model.CopyAbsoluteBoneTransformsTo(transforms); Matrix parenttransform = Matrix.Identity; if (!string.IsNullOrEmpty(component.ParentBone)) parenttransform = GetTransformPaths(model.GetBone(component.ParentBone)); component.Player.Update(gametime.ElapsedGameTime, true, Matrix.Identity); Matrix[] bones = component.Player.GetSkinTransforms(); foreach (SkinnedEffect effect in mesh.Effects) { effect.SetBoneTransforms(bones); effect.EnableDefaultLighting(); effect.World = transforms[mesh.ParentBone.Index] * Matrix.CreateRotationY(MathHelper.ToRadians(model.Angle)) * Matrix.CreateTranslation(model.Position) * parenttransform; effect.View = getView(); effect.Projection = getProjection(); effect.Alpha = model.Opacity; } } mesh.Draw(); } I feel as though I have tried every conceivable way of incorporating the parenttransform value into the draw method. The above is my most recent attempt. Is what I'm trying to do correct? And if so, is there a reason it doesn't work? The above Draw method seems to transpose the models x/z position - but even at these wrong positions, they do not account for the animation of Model B at all. Note: As will be evident from the code my "model" is comprised of a list of "components". It is these "components" that correspond to a single "Microsoft.Xna.Framework.Graphics.Model"

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• Highlights From Interact '12 - Healthcare Industry User Group

  - by John Webb

  Last week the Oracle team traveled to Orlando for the 18th annual Healthcare Industry User Group (HIUG) conference, Interact '12.   HIUG has over 3,000 members representing 180 organizations.  While we now know the result on the SCOTUS ruling yesterday, the consensus at the conference last week was summed up well in the welcome note from HIUG President, Chris Ryzewski:    "Regardless of the legal ruling on this administration's  Patient Protection and Affordable Care Act we will undoubtedly be called upon to further reduce costs and be more efficient in every aspect of our business processes."    Well put!   Attendance exceeded previous years with several hundred attendees, over 100 sessions, and a trade show that numbered 40 booths.    Most of the HIUG members use PeopleSoft applications and they tend to be full suite customers who use PeopleSoft broadly from HCM to Financials and Supply Chain. For many customers who have licensed PeopleSoft in the last year, it was their first experience with a very strong and collaborative user group.   I had dinner with a provider who is rolling out PeopleSoft HCM and ERP to a nationwide system of forty hospitals.  A key driver for this organization and others is how to leverage PeopleSoft applications to meet the cost reduction goals mentioned above.   In the area of procurement, the topic of Supplier Contract Management attracted a lot of attention.  Contract pricing and adherence to contracts throughout the procure to pay life cycle are key to meeting cost containment objectives.  Customers were excited to see the new faceted search capabilities and usability of  the upcoming PeopleSoft eProcurement release.     The new Work Center concept was discussed in several areas including the Cost Reconciliation Work Center and the Supply Demand Work Center which enables healthcare specific functions around PAR counts and related replenishment activities.  The latest Feature Pack of HCM 9.1 was demonstrated with the Talent Summary and Manager Dashboard.   Customers were excited to see the major advances in self service available today.    The Grants Special Interest Group focused quite a bit on the usage of PeopleSoft's Project Costing "Funds Distribution" feature, which can be used to manage capital projects funded by multiple agencies and sources.  Along with the latest release of the Mobile Inventory solution that several hospitals have now implemented, a preview of new mobile applications for expenses and approvals drew a lot of attention.   The PeopleSoft focus on assisting these companies in their goals to contain costs and create new efficiencies continues forward.   We look foward to Interact '13!     

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• How to host a site in another site - with little or no coding

  - by tunmise fasipe

  SUMMARY: All of these happens on Site A User visits site A User enter username and password User click on Login Button User authenticated on Site B behind the scene User is shown a page on Site A that contains his/her profile from Site B as layout/styled from Site B User can click links in the Profile page that links to other area in Site B Meaning: Session has to be maintained somehow I have web application where I store users' password and username. If you logon to this site, you can login with the password and username to have access to your profile. There is another option that requires you to login to my site from your site and have your profile displayed within your site. This is because you might already have a site that your clients know you with. This link is close to what I want to do: http://aspmessageboard.com/showthread.php?t=235069 A user on Site A login to Site B and have the information on site B showing in site A. He should not know whether Site B exists. It should be as if everything is happening in Site A This latter part is what I don't know to implement. I have these ideas: Have a fixed IFrame within your site to contain my site: but I am concerned about size/layout since different clients have different layout/size for their content section. I am thinking of how to maintain session too A webservice: I don't know how feasible this is since the Password and ID are on my server. You may have to send them back and forth. It means client would have to code with my API. But I am not just returning data, I have to show them a page that contains the profile details OpenID, Single-SignOn: Just guessing - but the authentication and data resides on my server. there is nothing to access on your side in this case Examples: like login into facebook within my site and still be able to do post updates, receive notifications Facebook implement some of these with IFrame e.g. the Like button *NOTE: * I have tested the IFrame option. It worked but I still have to remove my site specific content like my page Banner, Side Navigation etc. I was able to login normally as if I was actually on the site. This show my GUI but - style sheet was missing - content not styled with CSS - Any relative url won't work. It would look for that resource relative to the current server. Unless I change links to absolute - Clicking on the LogIn button produces this error: The state information is invalid for this page and might be corrupted. UPDATE: I was reading about REST webservice few days ago and I got this idea: What about the idea of returning an XML from a webservice [REST or SOAP] and providing an XSLT (that I can provide) to display it. Thus they won't have to do much coding?

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• How to Make Objects Fall Faster in a Physics Simulation

  - by David Dimalanta

  I used the collision physics (i.e. Box2d, Physics Body Editor) and implemented onto the java code. I'm trying to make the fall speed higher according to the examples: It falls slower if light object (i.e. feather). It falls faster depending on the object (i.e. pebble, rock, car). I decided to double its falling speed for more excitement. I tried adding the mass but the speed of falling is constant instead of gaining more speed. check my code that something I put under input processor's touchUp() return method under same roof of the class that implements InputProcessor and Screen: @Override public boolean touchUp(int screenX, int screenY, int pointer, int button) { // TODO Touch Up Event if(is_Next_Fruit_Touched) { BodyEditorLoader Fruit_Loader = new BodyEditorLoader(Gdx.files.internal("Shape_Physics/Fruity Physics.json")); Fruit_BD.type = BodyType.DynamicBody; Fruit_BD.position.set(x, y); FixtureDef Fruit_FD = new FixtureDef(); // --> Allows you to make the object's physics. Fruit_FD.density = 1.0f; Fruit_FD.friction = 0.7f; Fruit_FD.restitution = 0.2f; MassData mass = new MassData(); mass.mass = 5f; Fruit_Body[n] = world.createBody(Fruit_BD); Fruit_Body[n].setActive(true); // --> Let your dragon fall. Fruit_Body[n].setMassData(mass); Fruit_Body[n].setGravityScale(1.0f); System.out.println("Eggs... " + n); Fruit_Loader.attachFixture(Fruit_Body[n], Body, Fruit_FD, Fruit_IMG.getWidth()); Fruit_Origin = Fruit_Loader.getOrigin(Body, Fruit_IMG.getWidth()).cpy(); is_Next_Fruit_Touched = false; up = y; Gdx.app.log("Initial Y-coordinate", "Y at " + up); //Once it's touched, the next fruit will set to drag. if(n < 50) { n++; }else{ System.exit(0); } } return true; } And take note, at show() method , the view size from the camera is at 720x1280: camera_1 = new OrthographicCamera(); camera_1.viewportHeight = 1280; camera_1.viewportWidth = 720; camera_1.position.set(camera_1.viewportWidth * 0.5f, camera_1.viewportHeight * 0.5f, 0f); camera_1.update(); I know it's a good idea to add weight to make the falling object falls faster once I released the finger from the touchUp() after I picked the object from the upper right of the screen but the speed remains either constant or slow. How can I solve this? Can you help?

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• Throwing exception from a property when my object state is invalid

  - by Rumi P.

  Microsoft guidelines say: "Avoid throwing exceptions from property getters", and I normally follow that. But my application uses Linq2SQL, and there is the case where my object can be in invalid state because somebody or something wrote nonsense into the database. Consider this toy example: [Table(Name="Rectangle")] public class Rectangle { [Column(Name="ID", IsPrimaryKey = true, IsDbGenerated = true)] public int ID {get; set;} [Column(Name="firstSide")] public double firstSide {get; set;} [Column(Name="secondSide")] public double secondSide {get; set;} public double sideRatio { get { return firstSide/secondSide; } } } Here, I could write code which ensures that my application never writes a Rectangle with a zero-length side into the database. But no matter how bulletproof I make my own code, somebody could open the database with a different application and create an invalid Rectangle, especially one with a 0 for secondSide. (For this example, please forget that it is possible to design the database in a way such that writing a side length of zero into the rectangle table is impossible; my domain model is very complex and there are constraints on model state which cannot be expressed in a relational database). So, the solution I am gravitating to is to change the getter to: get { if(firstSide > 0 && secondSide > 0) return firstSide/secondSide; else throw new System.InvalidOperationException("All rectangle sides should have a positive length"); } The reasoning behind not throwing exceptions from properties is that programmers should be able to use them without having to make precautions about catching and handling them them. But in this case, I think that it is OK to continue to use this property without such precautions: if the exception is thrown because my application wrote a non-zero rectangle side into the database, then this is a serious bug. It cannot and shouldn't be handled in the application, but there should be code which prevents it. It is good that the exception is visibly thrown, because that way the bug is caught. if the exception is thrown because a different application changed the data in the database, then handling it is outside of the scope of my application. So I can't do anything about it if I catch it. Is this a good enough reasoning to get over the "avoid" part of the guideline and throw the exception? Or should I turn it into a method after all? Note that in the real code, the properties which can have an invalid state feel less like the result of a calculation, so they are "natural" properties, not methods.

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• Need help fixing DPKG errors after update from 12.04 to 12.10

  - by James Wulfe

  So I was doing fine then i upgraded my system to 12.10 and now i cant get my system to update all of its packages properly. no matter what i do, what is happening here and how do i fix this. if i would have thought 12.10 would be this much of a hassle i would have never upgraded..... here is a sampling of the code that returns from "apt-get -f install" It should also be noted that it is just these 6 packages only. no other packages have given me this kind of trouble. well i should say as of now. It was just 5, but them i got an update for unity, and now unity-common is added to the trouble makers. which prevents me from further upgrading the actual unity package as this package is a dependancy. Preparing to replace usb-modeswitch-data 20120120-0ubuntu1 (using .../usb-modeswitch-data_20120815-1_all.deb) ... /var/lib/dpkg/info/usb-modeswitch-data.prerm: 4: /var/lib/dpkg/info/usb-modeswitch-data.prerm: dpkg-maintscript-helper: Input/output error dpkg: warning: subprocess old pre-removal script returned error exit status 2 dpkg: trying script from the new package instead ... /var/lib/dpkg/tmp.ci/prerm: 4: /var/lib/dpkg/tmp.ci/prerm: dpkg-maintscript-helper: Input/output error dpkg: error processing /var/cache/apt/archives/usb-modeswitch-data_20120815-1_all.deb (--unpack): subprocess new pre-removal script returned error exit status 2 /var/lib/dpkg/info/usb-modeswitch-data.postinst: 7: /var/lib/dpkg/info/usb-modeswitch-data.postinst: dpkg-maintscript-helper: Input/output error dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: /var/cache/apt/archives/network-manager_0.9.6.0-0ubuntu7_i386.deb /var/cache/apt/archives/pcmciautils_018-8_i386.deb /var/cache/apt/archives/unity-common_6.10.0-0ubuntu2_all.deb /var/cache/apt/archives/whoopsie_0.2.7_i386.deb /var/cache/apt/archives/usb-modeswitch_1.2.3+repack0-1ubuntu3_i386.deb /var/cache/apt/archives/usb-modeswitch-data_20120815-1_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) I would also like to note i have cleaned apt cashe both through the terminal and manualy, i have tried installing them manually through dpkg from both the /var/cache/apt/archives/ location and from my own manually downloaded .deb files. i have tried using dpkg-reconfigure and i have used bleachbit to clean my system. I have also tested both my HDD and memory and found no significant errors to lead to the input/output errors. Quite frankly i am just out of options and have grown tired of trying to google a solution to this mess but still do not wish to pursue backing up settings and reinstalling the system. Any help would be appreciated. I am only interested in answers, please leave your feeling towards grammar, punctuation, and bias towards how a "post should look" at the door. If you dont have something to contribute towards solving my problem then you are just doing nothing but contributing to it. Thank you.

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• Windows Phone 7 + Azure.and a couple of nuggets

  I recently gave a talk about Windows Phone 7 at a Bizpark Camp in San Francisco.  The camp had two focuses: Azure and Windows Phone 7.  My presentation covered WP7 portion of the camp.  During my presentation I highlighted the phone platform and talked about some of the differentiators from design, technology and a business standpoint.    Whenever I watch presentations or go to tech meet-ups I feel like I get the most value when I can walk away with a few nuggets that I wouldnt necessarily have known about otherwise.  That said, I tried to add a few resources into my presentation that should be helpful when building WP7 apps.      Nuggets Seeing that the camp was focused on Azure and WP7 I decided to augment my presentation with a code sample.  The intention was to give some insight on how to approach building WP7 applications that talk to Azure.  Some colleges of mine here at Clarity have posted a sample on codeplex focused on getting up and running with WP7 and Azure..you can check it out HERE.   The project is not a hello world app, and is targeted at people who have some experience with the platform and a working knowledge of silverlight. Also, during my presentation I mentioned some limitations with the current phone sdk.  Our sample code on contains work-abounds for the following: #1 Panorama Control #2  Tilt effect #3   Animating Frame #4   Sample architecture (leveraging MVVM light)  and coding patterns.  Note: For the sample phone project we used an azure token that will expire in the next couple of months.  When that happensin the downloads section of the codeplex project there a link to a local development fabric that can be used for local development Presentation Admittedly, the slide deck is pretty design heavy, and doesnt contain much text.  This was semi-intentional to encourage people to come out to the camps and hear it first hand.  There is some additional info found the notes of the PPTX.  Dont forget to check out the full presentation at the Chicago Bizspark Camp on May 21st here at the Clarity Office.  Or on June 4th in  Los Angeles. You can DOWNLOAD the Slides here:  PPTX  |  PDF or view it inline below.  View more presentations from eklimcz. Cheers! Erik Klimczak  | [email protected] | twitter.com/eklimczDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Windows Phone 7 + Azure.and a couple of nuggets

  I recently gave a talk about Windows Phone 7 at a Bizpark Camp in San Francisco.  The camp had two focuses: Azure and Windows Phone 7.  My presentation covered WP7 portion of the camp.  During my presentation I highlighted the phone platform and talked about some of the differentiators from design, technology and a business standpoint.    Whenever I watch presentations or go to tech meet-ups I feel like I get the most value when I can walk away with a few nuggets that I wouldnt necessarily have known about otherwise.  That said, I tried to add a few resources into my presentation that should be helpful when building WP7 apps.      Nuggets Seeing that the camp was focused on Azure and WP7 I decided to augment my presentation with a code sample.  The intention was to give some insight on how to approach building WP7 applications that talk to Azure.  Some colleges of mine here at Clarity have posted a sample on codeplex focused on getting up and running with WP7 and Azure..you can check it out HERE.   The project is not a hello world app, and is targeted at people who have some experience with the platform and a working knowledge of silverlight. Also, during my presentation I mentioned some limitations with the current phone sdk.  Our sample code on contains work-abounds for the following: #1 Panorama Control #2  Tilt effect #3   Animating Frame #4   Sample architecture (leveraging MVVM light)  and coding patterns.  Note: For the sample phone project we used an azure token that will expire in the next couple of months.  When that happensin the downloads section of the codeplex project there a link to a local development fabric that can be used for local development Presentation Admittedly, the slide deck is pretty design heavy, and doesnt contain much text.  This was semi-intentional to encourage people to come out to the camps and hear it first hand.  There is some additional info found the notes of the PPTX.  Dont forget to check out the full presentation at the Chicago Bizspark Camp on May 21st here at the Clarity Office.  Or on June 4th in  Los Angeles. You can DOWNLOAD the Slides here:  PPTX  |  PDF or view it inline below.  View more presentations from eklimcz. Cheers! Erik Klimczak  | [email protected] | twitter.com/eklimczDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How Microsoft Market DotNet?

  - by Fendy

  I just read an Joel's article about Microsoft's breaking change (non-backwards compatibility) with dot net's introduction. It is interesting and explicitly reflected the condition during that time. But now almost 10 years has passed. The breaking change It is mainly on how bad is Microsoft introducing non-backwards compatibility development tools, such as dot net, instead of improving the already-widely used asp classic or VB6. As much have known, dot net is not natively embedded in windows XP (yes in vista or 7), so in order to use the .net apps, you need to install the .net framework of over 300mb (it's big that day). However, as we see that nowadays many business use .net as their main development tools, with asp.net or mvc as their web-based applications. C# nowadays be one of tops programming languages (the most questions in stackoverflow). The more interesing part is, win32api still alive even there is newer technology out there (and still widely used). Imagine if microsoft does not introduce the breaking change, there will many corporates still uses asp classic or vb-based applications (there still is, but not that much). There are many corporates use additional services such as azure or sharepoint (beside how expensive is it). Please note that I also know there are many flagships applications (maybe adobe's and blizzard's) still use C-based or older language and not porting to newer high-level language. The question How can Microsoft persuade the users to migrate their old applications into dot net? As we have known it is very hard and give no immediate value when rewrite the applications (netscape story), and it is very risky. I am more interested in Microsoft's way and not opinion such as "because dot net is OOP, or dot net is dll-embedable, etc". This question may be constructive, as the technology is vastly changes over times lately. As we can see, Microsoft changes Asp.Net webform to MVC, winform is legacy now, it is starting to change to use windows store rather than basic-installment, touchscreen and later on we will have see-through applications such as google class. And that will be breaking changes. We will need to account portability as an issue nowadays. We will need other than just mere technology choice, but also migration plans. Even maybe as critical as we might need multiplatform language compiler, as approached by Joel's Wasabi. (hey, I read his articles too much!)

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• Fraud and Anomaly Detection using Oracle Data Mining YouTube-like Video

  - by chberger

  I've created and recorded another YouTube-like presentation and "live" demos of Oracle Advanced Analytics Option, this time focusing on Fraud and Anomaly Detection using Oracle Data Mining.  [Note:  It is a large MP4 file that will open and play in place.  The sound quality is weak so you may need to turn up the volume.] Data is your most valuable asset. It represents the entire history of your organization and its interactions with your customers.  Predictive analytics leverages data to discover patterns, relationships and to help you even make informed predictions.   Oracle Data Mining (ODM) automatically discovers relationships hidden in data.  Predictive models and insights discovered with ODM address business problems such as:  predicting customer behavior, detecting fraud, analyzing market baskets, profiling and loyalty.  Oracle Data Mining, part of the Oracle Advanced Analytics (OAA) Option to the Oracle Database EE, embeds 12 high performance data mining algorithms in the SQL kernel of the Oracle Database. This eliminates data movement, delivers scalability and maintains security.  But, how do you find these very important needles or possibly fraudulent transactions and huge haystacks of data? Oracle Data Mining’s 1 Class Support Vector Machine algorithm is specifically designed to identify rare or anomalous records.  Oracle Data Mining's 1-Class SVM anomaly detection algorithm trains on what it believes to be considered “normal” records, build a descriptive and predictive model which can then be used to flags records that, on a multi-dimensional basis, appear to not fit in--or be different.  Combined with clustering techniques to sort transactions into more homogeneous sub-populations for more focused anomaly detection analysis and Oracle Business Intelligence, Enterprise Applications and/or real-time environments to "deploy" fraud detection, Oracle Data Mining delivers a powerful advanced analytical platform for solving important problems.  With OAA/ODM you can find suspicious expense report submissions, flag non-compliant tax submissions, fight fraud in healthcare claims and save huge amounts of money in fraudulent claims  and abuse.   This presentation and several brief demos will show Oracle Data Mining's fraud and anomaly detection capabilities.  

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• Perl syntax error [closed]

  - by Linny

  I am a beginner taking a Perl programming course. We are trying to write a basic program for counting nucleotides in a DNA string. I'm getting syntax errors on the lines that have a single bracket on lines 28 & 70 and don't know why. It also reads that I have compilation errors. I have no idea where to start figuring that out. # The purpose of this program is to count the number of nucleotides in a strand. Each protein is counted separately # print "/n NOTE: Nucleotide counting /n"; # use strict; # enforce variable declarations use warnings; # enable compiler warnings # Display number of A,a,T,t,G,g,C,c, nucleotides in a word or sequence of letters. # my ($base) = ''; # an extracted letter from a string my ($nuceotide_count) = 0 ; # the current position within the word my ($position) = 0 ; # number of vowels in user-supplied word my ($word) = ''; # word to be processed my ($A_count) = 0 ; # of A nucleotides in the user-supplied sequence my ($a_count) = 0 ; # of A nucleotides in the user-supplied sequence my ($C_count) = 0 ; # of C nucleotides in the user-supplied sequence my ($c_count) = 0 ; # of C nucleotides in the user-supplied sequence my ($G_count) = 0 ; # of G nucleotides in the user-supplied sequence my ($g_count) = 0 ; # of G nucleotides in the user-supplied sequence my ($T_count) = 0 ; # of T nucleotides in the user-supplied sequence my ($t_count) = 0 ; # of T nucleotides in the user-supplied sequence word = (STDIN) for ($position = 0);($position if (($base eq 'a') or ($base eq 'A')) { ++$A_count; } # end if ++$position; if (($base eq 'T') or ($base eq 't')) { ++$T_count; } end if ++$position; if (($base eq 'G') or ($base eq 'g')) { ++$G_count; } # end if ++$position; if (($base eq 'C') or ($base eq 'c')) { ++$C_count; } # end if ++$position; } # end for # Display final results. # print " \n The number of A or a neucleotides is: $A_count"; print " \n The number of T or t neucleotides is: $T_count"; print " \n The number of G or g neucleotides is: $G_count"; print " \n The number of C or c neucleotides is: $C_count"; print " \n\n Program completed successfully. \n" ; exit ;

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• Which is the most practical way to add functionality to this piece of code?

  - by Adam Arold

  I'm writing an open source library which handles hexagonal grids. It mainly revolves around the HexagonalGrid and the Hexagon class. There is a HexagonalGridBuilder class which builds the grid which contains Hexagon objects. What I'm trying to achieve is to enable the user to add arbitrary data to each Hexagon. The interface looks like this: public interface Hexagon extends Serializable { // ... other methods not important in this context <T> void setSatelliteData(T data); <T> T getSatelliteData(); } So far so good. I'm writing another class however named HexagonalGridCalculator which adds some fancy pieces of computation to the library like calculating the shortest path between two Hexagons or calculating the line of sight around a Hexagon. My problem is that for those I need the user to supply some data for the Hexagon objects like the cost of passing through a Hexagon, or a boolean flag indicating whether the object is transparent/passable or not. My question is how should I implement this? My first idea was to write an interface like this: public interface HexagonData { void setTransparent(boolean isTransparent); void setPassable(boolean isPassable); void setPassageCost(int cost); } and make the user implement it but then it came to my mind that if I add any other functionality later all code will break for those who are using the old interface. So my next idea is to add annotations like @PassageCost, @IsTransparent and @IsPassable which can be added to fields and when I'm doing the computation I can look for the annotations in the satelliteData supplied by the user. This looks flexible enough if I take into account the possibility of later changes but it uses reflection. I have no benchmark of the costs of using annotations so I'm a bit in the dark here. I think that in 90-95% of the cases the efficiency is not important since most users wont't use a grid where this is significant but I can imagine someone trying to create a grid with a size of 5.000.000.000 X 5.000.000.000. So which path should I start walking on? Or are there some better alternatives? Note: These ideas are not implemented yet so I did not pay too much attention to good names.

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• Visual studio Real Dark mode (2010,2012,2013)

  - by Anirudha

  Originally posted on: http://geekswithblogs.net/anirugu/archive/2013/11/02/visual-studio-real-dark-mode-201020122013.aspxWhen Visual studio 2010 released back in 3 year ago I soon show a demo to some people that how Dark mode of Visual studio will be great idea. Soon we got some theme plugin  which make us able to modify the look of visual studio.   http://studiostyl.es/ already provide lots of wonderful color scheme that make you able to modify the theme. These themes are also work in webmatrix 2.  Webmatrix 2 have a plugin for themes that is made by Yishai Galatzer that is awesome for webmatrix 2.   In Visual studio 2012 we got a native dark mode. This means we can configure it without any plugin or requirement of anything. In this post I have a demo to show you how to use Dark mode that is part of Windows 7 (and windows 8 too).   Few months ago I show a problem that webmatrix 2 run slow. it’s run better in windows 7 dark mode. Windows 7 dark mode simply refer to right click > personalize > High contrast theme in bottom of windows. This setting make thing a little bit faster.   When you have set this you have seen that Visual studio doesn’t react good anymore because it’s color scheme is broken now. What you need now is import any theme from http://studiostyl.es/ When you import this this will look good as this.   This is the demo look of Windows 7 phone Express 2010. It will react same for future version as 2012, 2013. Now see your VS react look dark. Everything is dark now. Your Firefox and IE will not run totally in blackish mode but you can use chrome. Chrome have less effect of dark. Now if you benchmark it then you will feel that everything that take a long time in loading now run fast.   Note :- This is experiments. Remember to have settings backup before apply new theme. All thing I do is make my VS run faster. If you have any trouble or idea please comment it.   Thanks for read my post

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• Class instance clustering in object reference graph for multi-entries serialization

  - by Juh_

  My question is on the best way to cluster a graph of class instances (i.e. objects, the graph nodes) linked by object references (the -directed- edges of the graph) around specifically marked objects. To explain better my question, let me explain my motivation: I currently use a moderately complex system to serialize the data used in my projects: "marked" objects have a specific attributes which stores a "saving entry": the path to an associated file on disc (but it could be done for any storage type providing the suitable interface) Those object can then be serialized automatically (eg: obj.save()) The serialization of a marked object 'a' contains implicitly all objects 'b' for which 'a' has a reference to, directly s.t: a.b = b, or indirectly s.t.: a.c.b = b for some object 'c' This is very simple and basically define specific storage entries to specific objects. I have then "container" type objects that: can be serialized similarly (in fact their are or can-be "marked") they don't serialize in their storage entries the "marked" objects (with direct reference): if a and a.b are both marked, a.save() calls b.save() and stores a.b = storage_entry(b) So, if I serialize 'a', it will serialize automatically all objects that can be reached from 'a' through the object reference graph, possibly in multiples entries. That is what I want, and is usually provides the functionalities I need. However, it is very ad-hoc and there are some structural limitations to this approach: the multi-entry saving can only works through direct connections in "container" objects, and there are situations with undefined behavior such as if two "marked" objects 'a'and 'b' both have a reference to an unmarked object 'c'. In this case my system will stores 'c' in both 'a' and 'b' making an implicit copy which not only double the storage size, but also change the object reference graph after re-loading. I am thinking of generalizing the process. Apart for the practical questions on implementation (I am coding in python, and use Pickle to serialize my objects), there is a general question on the way to attach (cluster) unmarked objects to marked ones. So, my questions are: What are the important issues that should be considered? Basically why not just use any graph parsing algorithm with the "attach to last marked node" behavior. Is there any work done on this problem, practical or theoretical, that I should be aware of? Note: I added the tag graph-database because I think the answer might come from that fields, even if the question is not.

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• February 2011 Java SE and Java for Business Critical Patch Update Released

  - by eric.maurice

  Hello, this is Eric Maurice again. Oracle released the February 2011 Critical Patch Update for Java SE and Java for Business today. As discussed in a previous blog entry, Oracle currently maintains a separate Critical Patch Update schedule for Java SE and Java for Business because of commitments made prior to the Oracle acquisition in regards to the timing for the publication of Java fixes. Today's Java Critical Patch Update includes fixes for 21 vulnerabilities. The most severe CVSS Base Score for vulnerabilities fixed in this CPU is 10.0, and this Base Score affects 8 vulnerabilities. Out of these 21 vulnerabilities, 13 affect Java client deployments. 12 of these 13 vulnerabilities can be exploited through Untrusted Java Web Start applications and Untrusted Java Applets, which run in the Java sandbox with limited privileges. One of these 13 vulnerabilities can be exploited by running a standalone application. In addition, one of the client vulnerability affects Java Update, a Windows-specific component. 3 of the 21 vulnerabilities affect client and server deployments. These vulnerabilities can be exploited through Untrusted Java Web Start applications and Untrusted Java Applets, as well as be exploited by supplying malicious data to APIs in the specified components, such as, for example, through a web service. 3 vulnerabilities affect Java server deployments only. These vulnerabilities can be exploited by supplying malicious data to APIs in the specified Java components. Note that one of these vulnerabilities (CVE-2010-4476) was the subject of a Security Alert released on February 8th. Finally, one of these vulnerabilities is specific to Java DB, a component in the Java JDK, but not included in the Java Runtime Environment (JRE). As usual, because of the severity of the vulnerabilities fixed in this Critical Patch Update, Oracle recommends that Java customers apply it as soon as possible. The Critical Patch Advisory provides more details about the vulnerabilities addressed in the Critical Patch Update as well as instructions on how to install the fixes and where to get them. Home users should use the Java auto-update mechanism to install the latest version of the Java Runtime Environment 6 update 24 or higher (JRE), which includes the fix for this vulnerability. For More Information: The Critical Patch Updates and Security Alerts page is located at http://www.oracle.com/technetwork/topics/security/alerts-086861.html More information on Oracle Software Security Assurance is located at http://www.oracle.com/us/support/assurance/index.html Consumers can go to http://www.java.com/en/download/installed.jsp to ensure that they have the latest version of Java running on their desktops. More information on Java Update is available at http://www.java.com/en/download/help/java_update.xml

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• 3D terrain map with Hexagon Grids (XNA)

  - by Rob

  I'm working on a hobby project (I'm a web/backend developer by day) and I want to create a 3D Tile (terrain) engine. I'm using XNA, but I can use MonoGame, OpenGL, or straight DirectX, so the answer does not have to be XNA specific. I'm more looking for some high level advice on how to approach this problem. I know about creating height maps and such, there are thousands of references out there on the net for that, this is a bit more specific. I'm more concerned with is the approach to get a 3D hexagon tile grid out of my terrain (since the terrain, and all 3d objects, are basically triangles). The first approach I thought about is to basically draw the triangles on the screen in the following order (blue numbers) to give me the triangles for terrain (black triangles) and then make hexes out of the triangles (red hex). http://screencast.com/t/ebrH2g5V This approach seems complicated to me since i'm basically having to draw 4 different types of triangles. The next approach I thought of was to use the existing triangles like I did for a square grid and get my hexes from 6 triangles as follows http://screencast.com/t/w9b7qKzVJtb8 This seems like the easier approach to me since there are only 2 types of triangles (i would have to play with the heights and widths to get a "perfect" hexagon, but the idea is the same. So I'm looking for: 1) Any suggestions on which approach I should take, and why. 2) How would I translate mouse position to a hexagon grid position (especially when moving the camera around), for example in the second image if the mouse pointer were the green circle, how would I determine to highlight that hexagon and then translating that into grid coordinates (assuming it is 0,0)? 3) Any references, articles, books, etc - to get me going in the right direction. Note: I've done hex grid's and mouse-grid coordinate conversion before in 2d. looking for some pointers on how to do the same in 3d. The result I would like to achieve is something similar to the following: http :// www. youtube .com / watch?v=Ri92YkyC3fw (sorry about the youtube link, but it will only let me post 2 links in this post... same rep problem i mention below...) Thanks for any help! P.S. Sorry for not posting the images inline, I apparently don't have enough rep on this stack exchange site.

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