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• SSIS Tips & Tricks (Presentation)

  This has been a rather well used presentation title but it does allow a certain degree of flexibility, and we covered a good range of topics in my session at the UK SQL Server User Group in Cambridge last night. Thanks to all who attended. Here is the rather limited slide deck and the all important demo packages for download as promised. For reference, high level topics covered were BIDS Helper Inserts and Updates Transactions Script Debugging Data Flow Checkpoints I’ll update the post with a link to the Live Meeting recording when I get it. Presentation & Demo Packages (194KB) SSIS Tips & Tricks - Darren Green.zip

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• 2 New Resources Added to IT Strategies from Oracle Library

  - by Bob Rhubart

  IT Strategies from Oracle, an authorized library of guidelines and reference architectures, has just been updated to include two new documents: A Pragmatic Approach to Cloud Adoption For enterprises that seek to transform their own IT capabilities and avoid adverse disruption in the process, a structured and pragmatic approach to Cloud computing is required. This practitioner guide details a framework that can be used within any organization for developing such an approach to Cloud adoption. Oracle's Approach to Cloud Successful adoption of Cloud computing requires the definition of an approach that aligns with business drivers and operational capabilities. This is why Oracle has developed a pragmatic approach, based on experience with numerous companies, to help customers successfully adopt Cloud. This data sheet provides an executive overview of Oracle's proven approach to Cloud. These two new resources join a collection of dozens of documents covering Service-Oriented Architecture, Event-Driven Architecture, Business Process Management, and Cloud Computing. Registration is required to access the material, but it's all free.

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• How to make custom libraries accessible?

  - by Milen Bilyanov

  I am trying to compile and install every custom module under it's own designated folder. (ex: /myApps/myLinux/compiled_app) I had luck with python so far, where my python is compiled from source and lives in: /myApps/myLinux/python2.5 and "python2.5" - /myApps/myLinux/python2.5.6-gcc463 so I can access this python through a wrapper script that sets the right environment. The question is recently I had to compile and add something called gperf3.0.4. So now it lives: /myApps/myLinux/gperf3.0 and "gperf3.0" - /myApps/myLinux/gperf3.0.4-gcc463 The question is: How will I point to this lib if some other app needs to access it? Is it done through the LD_LIBRARY_PATH variable? Thanks.

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• Book about tcp, http, named pipe, shared memory, wcf and other inter-process communication protocol

  - by Samuel

  Recently, I had to create a program to send messages between two winforms executable. I used a tool with simple built-in functionalities to prevent having to figure out all the ins and outs of this vast quantity of protocols that exist. But now, I'm ready to learn more about the internals difference between each of theses protocols. I googled a couple of them but it would be greatly appreciate to have a good reference book that gives me a clean idea of how each protocol works and what are the pros and cons in a couple of context. Here is a list of nice protocols that I found: Shared memory TCP List item Named Pipe File Mapping Mailslots MSMQ (Microsoft Queue Solution) WCF I know that all of these protocols are not specific to a language, it would be nice if example could be in .net. Thank you very much.

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• tic tac toe game ai as3

  - by David Jones

  I'm looking into creating a simple tic tac toe/noughts and crosses game in actionscript3 and am trying to understand the ideas behind the ai used in a game like this. I've seen some simplistic examples online but from what I've read a game tree or something like minimax is the best way to go about this. Can anyone help explain or reference any good examples of this? I've seen that there is a library called as3ds - data structures for game developers which has a number of classes that might help tie this together? Any info/examples or help is much appreciated

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• Structuring game world entities and their rendering objects

  - by keithjgrant

  I'm putting together a simple 2d tile-based game. I'm finding myself spinning circles on some design decisions, and I think I'm in danger of over-engineering. After all, the game is simple enough that I had a working prototype inside of four hours with fewer than ten classes, it just wasn't scalable or flexible enough for a polished game. My question is about how to structure flow of control between game entity objects and their rendering objects. Should each renderer have a reference to their entity or vice-versa? Or both? Should the entity be in control of calling the render() method, or be completely oblivious? I know there are several valid approaches here, but I'm kind of feeling decision paralysis. What are the pros and cons of each approach?

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• How to set Qwt path to the run-time linker in Xubuntu

  - by Rahul

  I've successfully installed Qwt in Xubuntu 12.04(qmake - make - make install). But now I need to set the Qwt path to run time linker of Xubuntu. In manual it's given like - If you have installed a shared library it's path has to be known to the run-time linker of your operating system. On Linux systems read "man ldconfig" ( or google for it ). Another option is to use the LD_LIBRARY_PATH (on some systems LIBPATH is used instead, on MacOSX it is called DYLD_LIBRARY_PATH) environment variable. But being newbie to Linux environment, I'm not able to proceed further. Please help me with this.

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• Application Composer Series: Where and When to use Groovy

  - by Richard Bingham

  This brief post is really intended as more of a reference than an article. The table below highlights two things, firstly where you can add you own custom logic via groovy code (end column), and secondly (middle column) when you might use each particular feature. Obviously this applies only where Application Composer exists, namely Fusion CRM and Oracle Sales Cloud, and is based on current (release 8) functionality. Feature Most Common Use Case Groovy Field Triggers React to run-time data changes. Only fired when the field is changed and upon submit. Y Object Triggers To extend the standard processing logic for an object, based on record creation, updates and deletes. There is a split between these firing events, with some related to UI/ADF actions and others originating in the database. UI Trigger Points: After Create - fires when a new object record is created. Commonly used to set default values for fields. Before Modify - Fires when the end-user tries to modify a field value. Could be used for generic warnings or extra security logic. Before Invalidate - Fires on the parent object when one of its child object records is created, updated, or deleted. For building in relationship logic. Before Remove - Fires when an attempt is made to delete an object record. Can be used to create conditions that prevent deletes. Database Trigger Points: Before Insert in Database - Fires before a new object is inserted into the database. Can be used to ensure a dependent record exists or check for duplicates. After Insert in Database - Fires after a new object is inserted into the database. Could be used to create a complementary record. Before Update in Database -Fires before an existing object is modified in the database. Could be used to check dependent record values. After Update in Database - Fires after an existing object is modified in the database. Could be used to update a complementary record. Before Delete in Database - Fires before an existing object is deleted from the database. Could be used to check dependent record values. After Delete in Database - Fires after an existing object is deleted from the database. Could be used to remove dependent records. After Commit in Database - Fires after the change pending for the current object (insert, update, delete) is made permanent in the current transaction. Could be used when committed data that has passed all validation is required. After Changes Posted to Database - Fires after all changes have been posted to the database, but before they are permanently committed. Could be used to make additional changes that will be saved as part of the current transaction. Y Field Validation Displays a user entered error message based groovy logic validating the field value. The message is shown only when the validation logic returns false, and the logic is triggered only when tabbing out of the field on the user interface. Y Object Validation Commonly used where validation is needed across multiple related fields on the object. Triggered on the submit UI action. Y Object Workflows All Object Workflows are fired upon either record creation or update, along with the option of adding a custom groovy firing condition. Y Field Updates - change another field when a specified one changes. Intended as an easy way to set different run-time values (e.g. pick values for LOV's) plus the value field permits groovy logic entry. Y E-Mail Notification - sends an email notification to specified users/roles. Templates support using run-time value tokens and rich text. N Task Creation - for adding standard tasks for use in the worklist functionality. N Outbound Message - will create and send an XML payload of the related object SDO to a specified endpoint. N Business Process Flow - intended for approval using the seeded process, however can also trigger custom BPMN flows. N Global Functions Utility functions that can be called from any groovy code in Application Composer (across applications). Y Object Functions Utility functions that are local to the parent object. Usually triggered from within 'Buttons and Actions' definitions in Application Composer, although can be called from other code for that object (e.g. from a trigger). Y Add Custom Fields When adding custom fields there are a few places you can include groovy logic. Y Default Value - to add logic within setting the default value when new records are entered. Y Conditionally Updateable - to add logic to set the field to read-only or not. Y Conditionally Required - to add logic to set the field to required or not. Y Formula Field - Used to provide a new aggregate field that is entirely based on groovy logic and other field values. Y Simplified UI Layouts - Advanced Expressions Used for creating dynamic layouts for simplified UI pages where fields and regions show/hide based on run-time context values and logic. Also includes support for the depends-on feature as a trigger. Y Related References This Blog: Application Composer Series Extending Sales Guide: Using Groovy Scripts Groovy Scripting Reference Guide

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• How are components properly instantiated and used in XNA 4.0?

  - by Christopher Horenstein

  I am creating a simple input component to hold on to actions and key states, and a short history of the last ten or so states. The idea is that everything that is interested in input will ask this component for the latest input, and I am wondering where I should create it. I am also wondering how I should create components that are specific to my game objects - I envision them as variables, but then how do their Update/Draw methods get called? What I'm trying to ask is, what are the best practices for adding components to the proper collections? Right now I've added my input component in the main Game class that XNA creates when everything is first initialized, saying something along the lines of this.Components.Add(new InputComponent(this)), which looks a little odd to me, and I'd still want to hang onto that reference so I can ask it things. An answer to my input component's dilemma is great, but also I'm guessing there is a right way to do this in general in XNA.

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• Group method parameter or individual parameter?

  - by Nassign

  I would like to ask on method parameters design consideration. I am usually deciding between using individual variables as parameters versus grouping them to a class or dictionary as one parameter. Is there such a rule when you should use individual parameter against using a class or a dictionary to group the parameter? Individual parameter - Straight forward, strongly typed Dictionary parameter - Very extensible, like HTTP request but cannot be strongly typed. Class parameter - Extensible by adding member to the class parameter, strongly typed. I am looking for a design reference on when to use which? Note: I am not sure if this question is valid in programmers but I definitely think it would be closed in stackoverflow, If it is still not valid, please point me to the proper page.

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• Render a 3D scene in multiple windows - extended panoramic view

  - by teodron

  Is there any resource location on how to view a 3D scene from an application or a game on multiple windows or monitors? Each window should continue drawing from where the neighbouring one left off (in the end, the result should be a mosaic of the scene). My idea is to use a camera for each window and have a reference position and orientation for a meta-camera object that is used to correctly offset the other camera. Since there are quite some elements to consider (window specs, viewport properties, position-orientation of each render camera), what is the correct way to update the individual cameras considering the position and orientation of the central, meta-camera? I currently cannot make the cameras present the scene contiguously (and I am reluctant in working out the transformations without checking whether this is the actual way of doing things).

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• Interacting with scene cocos2d

  - by cjroebuck

  I'm attempting to make my first cocos2d (for iphone) multiplayer game and having difficulty understanding how to interact with a scene once it is running. The game is a simple turn-based one and so I have a GameController class which co-ordinates the rounds. I also have a GameScene class which is the actual scene that is displayed during a round of the game. The basic interaction I need is for the GameController to be able to pass messages to the GameScene class.. such as StartRound/StopRound etc. The thing that complicates this is that I am loading the GameScene with a LoadingScene class which simply initialises the scene and replaces the current scene with this one, so there is no reference from GameController to GameScene, so passing messages is quite tricky. Does anyone have any ways to get around this, ideally I would still like to use a Loading class as it smooths out the memory hit when replacing scenes.

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• VS2010 crashes when opening a vsp generated using VS 2012

  - by Tarun Arora

  I recently profiled some web applications using Visual Studio 2012, a vsp (Visual Studio Profile) file was generated as a result of the profiling session. I could successfully open the vsp file in Visual Studio 2012 as expected but when I tried to open the vsp file in Visual Studio 2010 the VS2010 IDE crashed. As a responsible citizen I raised bug # 762202 on Microsoft Connect site using the Microsoft Visual Studio 2012 Feedback Client. Note – In case you didn’t already know, VSP generated in Visual Studio 2012 is not backward compatible. Please refer below for the steps to reproduce the issue and the resolution of the connect bug. 1. Behaviour and Steps to Reproduce the Issue Description I have generated a vsp file by using the Visual Studio 2012 Standalone profiler. When I try and open the vsp file in Visual Studio 2010 the IDE crashes. I understand that a vsp generated by using VS 2012 cannot be opened in VS 2010, but the IDE crashing is not the behaviour I would expect to see. Steps to Reproduce the Issue 1. Pick up the Stand lone profiler from the VS 2012 installation media. The folder has both x 64 and x86 installer, since the machine I am using is x64 bit. I have installed the x64 version of the standalone profiler. 2. I have configured the system path by setting the 'environment variable' path to where the profiler is installed. In my case this is, C:\Program Files (x86)\Microsoft Visual Studio 11.0\Team Tools\Performance Tools 3. Created a new environment variable _NT_SYMBOL_PATH and set its value to CACHE*C:\SYMBOLSCACHE;SRV*C:\SYMBOLSCACHE*HTTP://MSDL.MICROSOFT.COM/DOWNLOAD/SYMBOLS;\\FOO\BUILD1234 4. Open up CMD as an administrator and run 'VSPerfASPNETCmd /tip http://localhost:56180/ /o:C:\Temp\SampleEISK.vsp' 5. This generates the following message on the cmd       Microsoft (R) VSPerf ASP.NET Command, Version 11.0.0.0     Copyright (C) Microsoft Corporation. All rights reserved.     Configuring and attaching to ASP.NET process. Please wait.     Setting up profiling environment.     Starting monitor.     Launching ASP.NET service.     Attaching Monitor to process.     Launching Internet Explorer.     The profiler is attached to ASP.net. Please run your application scenario now.     Press Enter to stop data collection...   6. I perform certain actions and then I come back to the cmd and hit enter to shut down the profiling. Once I do this, the following message is written to the cmd, Press Enter to stop data collection... Profiling now shut down. Report file "C:\Temp\SampleEISK.vsp" was generated. Running VsPerfReport, packing symbols into the .VSP. Shutting down profiling and restarting ASP.NET. Please wait. Restarting w3wp.exe.   7. I look in the C:\Temp folder and I can see the SampleEISK.vsp file generated. I can successfully open this file in Visual Studio 2012. 8. When I am trying to open the vsp file in VS 2010 the VS 2010 IDE crashes. Kaboooom! What I would expect to happen I expect to receive a message "VS 2010 does not support the vsp file generated by VS 2012". What actually happened The VS 2010 IDE crashed 2. Resolution This is a valid bug! However, there isn’t much value in releasing a hotfix for this issue. Refer below to the resolution provided by the Visual Studio Profiler Team.  Thank you for taking the time to report this issue. We completely agree that Visual Studio 2010 should not crash. However in this particular case this is not a bug we are going to retroactively release a fix to 2010 for at this point. Given that a fix would not unblock the scenario of opening a 2012 created file on Visual Studio 2010, and there is not an active update channel for Visual Studio 2010 other than manually locating and installing hot fixes, we will not be fixing this particular issue. Best Regards, Visual Studio Profiler Team   Though it would be great to improve the behaviour however, this is not a defect that would stop you from progressing in any way. It’s important to note however that VSP files generated by Visual Studio 2012 are not backward compatible so you should refrain from opening these files in Visual Studio 2010.

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• Retail Link data storage requirements

  - by Randy Walker

  I was asked today about how much data an average Retail Link analyst (Walmart vendor) would consume.  I thought I would write this small post for future reference. Of course this vastly depends on the amount of skus, how long you want to archive data, and if you want store level sales. Most reports take up very little space. Most times when you download a report (total sales per sku for last week), you will overwrite the previous week’s report.  However, most users will take the data inside their downloaded report, and add it to a database or larger excel spreadsheet.  This way, the user has a history of the sales of each item/sku per week over the last 2+ years.  I would estimate 1 user to consume around 1-2 gb of space, at most, over the course of 2 years. If you start archiving store level sales those numbers can drastically increase up to 10gb or more very quickly.

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• Pagination and duplicate content

  - by jazz090

  I have an archive page that displays the number of articles published. Because there were so many, I ran a pagination script: for 127.0.0.1/archive/2/?p=x&pp=y where p is the page number and pp is number of articles to display per page. The pagination looks like this: Prev 1 2 3 4 ... 12 NEXT with each item linking to p like <a href="?p=x">x</a>. I also have the items per page setter: 25 | 50 | 100 (<a href="?pp=y">y</a>). Now I have a PHP script that fixes pp into a session variable. But I am worried about duplicate content (since incrementing pp values will be inclusive) and also content not getting indexed because its not in the pagination link. so in the example above, pages 5-11 will not be indexed. Any ideas on how to fix this?

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• Unable to Call Instantiate in Class Member Function

  - by onguarde

  The following javascript is attached to a gameObject. var instance : GameObject; class eg_class { function eg_func(){ var thePrefab : GameObject; instance = Instantiate(thePrefab); } } Error, Unknown identifier: 'instance'. Unknown identifier: 'Instantiate'. Questions, 1) Why is it that "instance" cannot be accessed within a class? Isn't it supposed to be a public variable? 2) "Instantiate" function works in Start()/Update() root functions. Is there a way to make it work from within member functions? Thanks in advance!

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• How to measure the conversion rate of your Amazon affiliate program?

  - by user359650

  I plan on selling products through the Amazon affiliate program. What I know I can track is: -what products people view on my website (default Google Analytics pageview behaviour). -what affiliate links people click on my website (with GA _trackEvent). What am I missing is: -what products people end up buying after clicking on the affiliate links. Does the Amazon affiliate program offers you any mechanism for linking a purchase with some data from your website? I noticed that I was able to add custom parameters and values to my affiliate links and the link checker was still happy with them, if Amazon gave the links that initiated an order then I would be able to cross reference the orders using custom parameters...

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• Upgrade to Quantal unity top bar, side bar, and window declorations missing

  - by Nicky Bailuc

  I upgraded from 12.04.1 to 12.10 via the Update Manager and the upgrade said it completed successfuly. However after rebooting the unity task bar was missing along with the launch bar and the window declorations. All compiz settings seemed to be purge deleted, and at first bootup it gave me a system error. The desktop exists, and once I remember I messed up the compiz settings and just had to press Ctrl+Alt+F1 and in the virtual terminal type "unity --reset" then "sudo reboot". Everything worked as if i reinstalled the entire operating system. This time it said “Warning no variable set. setting to :0. The reset option is now dupricated”. What am I suppose to do now? I need this fixed as soon as possible because I need a couple of certainly installed programs and the data within them (long story short).

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• How is the terrain generated in Commandos and Commandos game clones/look-alikes?

  - by teodron

  The Commandos series of games and its similar western counterpart, Desperados, use a mix of 2D and 3D elements to achieve a very pleasing and immersive atmosphere. Apart from the concept that alone made the series a best-seller, the graphics eye-candy was also a much appreciated asset of that game. I was very curious on what was the technique used to model and adorn the realistic terrains in those titles? Below are some screenshots that could be relevant as a reference for whomever has a candidate answer: The tiny details and patternless distribution of ornamental textures make me think that these terrains were not generated using a standard heightmap-blendmap method.

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• Share Mulitple Classes as one dll or a lib with Mulitple Projects

  - by JNL

  Currently I have some shared class files(.cpp and .h) which I include them in around 20 Projects. Currently I have to include them in all of the projects. So if I get some business requirments and I change some of the shared(.cpp or .h) files I have to include them in all the 20 Projects which is kind of tedious. Is there a way where I can create a shared dll or library and include it all of my Projects. So if I have to change it, I just have to change it once and then just Add Reference to include that dll or library which contains all the shared(.cpp, .h) files. Any help/recommendations regarding the same, will be highly appreciated. I am using VS2012 for VC++.

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• Silverlight 4 + RIA Services - Ready for Business: Exposing WCF (SOAP\WSDL) Services

  Continuing in our series, I wanted to touch on how a RIA Services can be exposed as a Soap\WSDL service.   This is very useful if you want to enable the exact same business logic\data access logic is available to clients other than Silverlight.    For example to a WinForms application or WPF or even a console application.  SOAP is a particularly good model for interop with the Java\JEE world as well.    First you need to add a reference to Microsoft.ServiceModel.DomainSerivves.Hosting.EndPoints...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Exalogic X3-2 now orderable and shipping

  - by JuergenKress

  At our WebLogic Community Workspace (WebLogic Community membership required) you can find the latest ExaLogic product presentation Exalogic_X3-2_launch.pptx and reference presentation ExaLogic references 2012.ppt & Exalogic Case Studies. Addition to this we recommend to use of the ExaLogic Meter-to-Cash Solution for Utilities Offline Demo Video ExaLogic Demo 10.2012.zip. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. BlogTwitterLinkedInMixForumWiki Technorati Tags: ExaLogic,ExaLogic X3-2,WebLogic Community,Oracle,OPN,Jürgen Kress

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• C++11 support for higher-order list functions

  - by Giorgio

  Most functional programming languages (e.g. Common Lisp, Scheme / Racket, Clojure, Haskell, Scala, Ocaml, SML) support some common higher-order functions on lists, such as map, filter, takeWhile, dropWhile, foldl, foldr (see e.g. Common Lisp, Scheme / Racket, Clojure side-by-side reference sheet, the Haskell, Scala, OCaml, and the SML documentation.) Does C++11 have equivalent standard methods or functions on lists? For example, consider the following Haskell snippet: let xs = [1, 2, 3, 4, 5] let ys = map (\x -> x * x) xs How can I express the second expression in modern standard C++? std::list<int> xs = ... // Initialize the list in some way. std::list<int> ys = ??? // How to translate the Haskell expression? What about the other higher-order functions mentioned above? Can they be directly expressed in C++?

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• Unity3D problem. Bullets fall down instead of flying like they should

  - by user2342080

  I used this tutorial as a reference. http://www.youtube.com/watch?v=3L8eaoyZ0Go My problem is that whenever I play the game, EVERYTHING works but the bullets. It just falls down instead of flying forward. This is the flash version of the game: http://v1k.me/swf/ Can some one help me out? Should I upload the project? This is my "Shoot.js": public var bulletPrefab : Transform; public var bulletSpeed : float = 20; function Update() { if(Input.GetMouseButton(0)) { if(bulletPrefab || bulletSpeed) { var bulletCreate = Instantiate(bulletPrefab, GameObject.Find("SpawnPoint").transform.position, Quaternion.identity); bulletCreate.rigidbody.AddForce(transform.forward * bulletSpeed); } } }

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• Jersey 1.8 - Another GlassFish 3.1.1 component is ready

  - by alexismp

  We now have a new release of the JAX-RS 1.1 reference implementation - Jersey 1.8 is just out! Thisbug-fix release follows the EclipseLink 2.3 release from last week (as part of the Eclipse Indigo train release) and other components such as Woodstox 4.1.1 and Weld 1.1.1 which have already been released and integrated. To get started with Jersey 1.8, begin here and don't forget to visit the Jersey Wiki pages. You can also grab a nightly build of GlassFish 3.1.1 or wait for the next promoted build (#10) due out in a few days. As it currently stands for GlassFish 3.1.1, we have integration of the final bits for Metro 2.1.1 (currently at 2.1.1b7), Mojarra 2.1.3 (currently at 2.1.3b1), and MQ 4.5.1 (currently at 4.5.1b3) still ahead of us.

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