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• How do I get my server to recognise a change in users?

  - by Gareth

  I'm new in post running a small charity. As a result I've inherited a system from the previous manager that was poorly run. In my enthusiasm to change login details etc. I appear to have killed my microsoft outlook account. When trying to access outlook it prompts me for my user name, domain name and password - which I'm obviously not filling in correctly because it's not accepting my answers. Is there a way to determine that information from the server side? I have access to the server and the staff computers.

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• routing wiredness - traceroute 'vanishes' en route

  - by The Journeyman geek

  I'm attempting to set up one of my boxes as a server (again), but i'm having some odd connection issues- the box itself connects fine to the internet, but trying to connect to my external ip address seems to result in the trace getting 'lost' partway. http://pastebin.com/HCQAGbvn - this is a traceroute from another system that's connected to another ISP - starhub is my own one, while i have another system that i have access to on singtel. I'm wondering if my ISP is messing around with routing, or is something very odd going on. As you note, the traceroute dosen't reach me, but if it helps, i use a dd-wrt router.

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• Mutating Programming Language?

  - by MattiasK

  For fun I was thinking about how one could build a programming language that differs from OOP and came up with this concept. I don't have a strong foundation in computer science so it might be common place without me knowing it (more likely it's just a stupid idea :) I apologize in advance for this somewhat rambling question :) Anyways here goes: In normal OOP methods and classes are variant only upon parameters, meaning if two different classes/methods call the same method they get the same output. My, perhaps crazy idea, is that the calling method and class could be an "invisible" part of it's signature and the response could vary depending on who call's an method. Say that we have a Window object with a Break() method, now anyone (who has access) could call this method on Window with the same result. Now say that we have two different objects, Hammer and SledgeHammer. If Break need to produce different results based on these we'd pass them as parameters Break(IBluntObject bluntObject) With a mutating programming language (mpl) the operating objects on the method would be visible to the Break Method without begin explicitly defined and it could adopt itself based on them). So if SledgeHammer calls Window.Break() it would generate vastly different results than if Hammer did so. If OOP classes are black boxes then MPL are black boxes that knows who's (trying) to push it's buttons and can adapt accordingly. You could also have different permission sets on methods depending who's calling them rather than having absolute permissions like public and private. Does this have any advantage over OOP? Or perhaps I should say, would it add anything to it since you should be able to simply add this aspect to methods (just give access to a CallingMethod and CallingClass variable in context) I'm not sure, might be to hard to wrap one's head around, it would be kinda interesting to have classes that adopted themselves to who uses them though. Still it's an interesting concept, what do you think, is it viable?

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• Samba shares won't automount on boot from fstab

  - by kelvin

  This question seems to have been asked a few times, but doesn't seem anybody has really solved it yet, at least not for my specific circumstance. I have FSAT setup to mount a CIFs share, but on boot up the share never gets mounted. However, if i run mount -a after boot up, it mounts everything just fine. Here's what my fstab looks like. Ignore the commented ones... I just did a few for testing purposes right now. //192.168.1.97/media /mnt/samba cifs credentials=/home/xbmc/.smbcredentials,rw,file_mode=0777,dir_mode=0777,sec=ntlm,auto 0 0 #//192.168.1.97/media/TV\040Shows /home/xbmc/TV\040Shows cifs credentials=/home/xbmc/.smbcredentials,rw,file_mode=0777,dir_mode=0777,sec=ntlm,auto //192.168.1.97/media/Movies /home/xbmc/Movies cifs credentials=/home/xbmc/.smbcredentials,rw,file_mode=0777,dir_mode=0777,sec=ntlm,auto 0 0 //192.168.1.97/media/Music /home/xbmc/Music cifs credentials=/home/xbmc/.smbcredentials,rw,file_mode=0777,dir_mode=0777,sec=ntlm,auto 0 0 #//192.168.1.97/media/3\040-\040My\040Pictures /home/xbmc/Pictures cifs credentials=/home/xbmc/.smbcredentials,rw,file_mode=0777,dir_mode=0777,sec=ntlm,auto #//192.168.1.97/media/XBMC /home/xbmc/Admin cifs credentials=/home/xbmc/.smbcredentials,rw,file_mode=0777,dir_mode=0777,sec=ntlm,auto Have seen a few things on the internet where it was believed its because the share isn't available yet (i.e. wifi not connected yet, etc) when it's attempting to mount. 1) Is there anyway to confirm that's the problem, 2) IF so, is there a solution? Is there some way to put a delay in fstab? Or how might i write a script to run mount -a a certain amount of time after boot? Found the option _netdev from a little research, included that in fstab but still the same result. Thanks for your help.

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• Does it actually matter whether you have open applications when installing new software?

  - by Dan

  It seems the norm these days is for installers/setup programs to request that you close all open applications before initiating the install process for a piece of new software. I used to obediently follow these directions without fail, even though it could sometimes be frustrating having to close open documents and stop working on things just to get a new, seemingly unrelated application installed. Then at some point I simply stopped bothering. Nowadays if I have a lot of stuff going on I might even run multiple installers at the same time; I can't even recall a time it has ever posed a problem. Why do setup programs even make this request in the first place, then, when it appears to be unnecessary? Is this just to simplify troubleshooting for companies' support people? Has anyone else ever run into problems as a result of trying to install an app while other apps were open?

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• Installing packages in R path[1]="\file/users/bernard/R/win-library/2.15": Access is denied

  - by user1812210

  I recently attended an R training course and was happily working with a laptop in RStudio. On my return to the office I installed RStudio and I tried to run some scripts I had gathered from the course. However, these scripts required me to install packages and when I tried to install the packages the result was an error. Error in install.packages : path[1]="\file/users/bernard/R/win-library/2.15": Access is denied In my firm we write to a server drive refferred to as the U: drive rather than the hard disk on the desktop for security reasons. Any ideas what is going on? I have checked the properties of the folder in windows and it says I have permission but still it fails. I have tried creating a folder on the C drive and directing R_LIBS_USER to it but no luck.

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• Is it possible to install Windows Server 2012 on a Dell PowerEdge with PERC S100 card?

  - by Warren P

  According to Dell's own website, the Windows Server 2012 media driver "inbox" does not contain drivers for the Perc S100 controller that is in a Dell PowerEdge T110 II server we'd like to evaluate with Server 2012. I have found drivers only for Server 2008 R2, which is what the server is currently running. Is it possible to upgrade this server? (Booting up the Server 2012 DVD image leads to the expected result that it can not locate the system's hard drives or its hard drive controller card, as the drivers for the PERC S100 are not on the installation DVD image.)

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• How to "translate" interdependent object states in code?

  - by Earl Grey

  I have the following problem. My UI interace contains several buttons, labels, and other visual information. I am able to describe every possible workflow scenario that should be be allowed on that UI. That means I can describe it like this - when button A is pressed, the following should follow - In the case of that A button, there are three independent factors that influence the possible result when pushing the A button. The state of the session (blank, single, multi, multi special), the actual work that is being done by the system at the moment of pressing the A button (nothing was happening, work was being done, work was paused) and a separate UI element that has two states (on , off)..This gives me a 3 dimensional cube with 24 possible outcomes. I could write code for this using if cycles, switch cycles etc....but the problem is, I have another 7 buttons on that ui, I can enter this UI from different states..some buttons change the state, some change parameters... To sum up, the combinations are mindbogling and I am not able come up with a methodology that scales and is systematically reliable. I am able to describe EVERY workflow with words, I am sure my description is complete and without logical errors. But I am not able to translate that into code. I was trying to draw flowcharts but it soon became visually too complicated due to too many if "emafors". Can you advice how to proceeed?

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• SharePoint 2010 PowerShell Script to Find All SPShellAdmins with Database Name

  - by Brian Jackett

  Problem     Yesterday on Twitter my friend @cacallahan asked for some help on how she could get all SharePoint 2010 SPShellAdmin users and the associated database name.  I spent a few minutes and wrote up a script that gets this information and decided I’d post it here for others to enjoy.     Background     The Get-SPShellAdmin commandlet returns a listing of SPShellAdmins for the given database Id you pass in, or the farm configuration database by default.  For those unfamiliar, SPShellAdmin access is necessary for non-admin users to run PowerShell commands against a SharePoint 2010 farm (content and configuration databases specifically).  Click here to read an excellent guest post article my friend John Ferringer (twitter) wrote on the Hey Scripting Guy! blog regarding granting SPShellAdmin access.  Solution     Below is the script I wrote (formatted for space and to include comments) to provide the information needed. Click here to download the script.   # declare a hashtable to store results $results = @{}   # fetch databases (only configuration and content DBs are needed) $databasesToQuery = Get-SPDatabase | Where {$_.Type -eq 'Configuration Database' -or $_.Type -eq 'Content Database'}   # for each database get spshelladmins and add db name and username to result $databasesToQuery | ForEach-Object {$dbName = $_.Name; Get-SPShellAdmin -database $_.id | ForEach-Object {$results.Add($dbName, $_.username)}}   # sort results by db name and pipe to table with auto sizing of col width $results.GetEnumerator() | Sort-Object -Property Name | ft -AutoSize     Conclusion     In this post I provided a script that outputs all of the SPShellAdmin users and the associated database names in a SharePoint 2010 farm.  Funny enough it actually took me longer to boot up my dev VM and PowerShell (~3 mins) than it did to write the first working draft of the script (~2 mins).  Feel free to use this script and modify as needed, just be sure to give credit back to the original author.  Let me know if you have any questions or comments.  Enjoy!         -Frog Out   Links PowerShell Hashtables http://technet.microsoft.com/en-us/library/ee692803.aspx SPShellAdmin Access Explained http://blogs.technet.com/b/heyscriptingguy/archive/2010/07/06/hey-scripting-guy-tell-me-about-permissions-for-using-windows-powershell-2-0-cmdlets-with-sharepoint-2010.aspx

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• UML Diagrams of Multi-Threaded Applications

  - by PersonalNexus

  For single-threaded applications I like to use class diagrams to get an overview of the architecture of that application. This type of diagram, however, hasn’t been very helpful when trying to understand heavily multi-threaded/concurrent applications, for instance because different instances of a class "live" on different threads (meaning accessing an instance is save only from the one thread it lives on). Consequently, associations between classes don’t necessarily mean that I can call methods on those objects, but instead I have to make that call on the target object's thread. Most literature I have dug up on the topic such as Designing Concurrent, Distributed, and Real-Time Applications with UML by Hassan Gomaa had some nice ideas, such as drawing thread boundaries into object diagrams, but overall seemed a bit too academic and wordy to be really useful. I don’t want to use these diagrams as a high-level view of the problem domain, but rather as a detailed description of my classes/objects, their interactions and the limitations due to thread-boundaries I mentioned above. I would therefore like to know: What types of diagrams have you found to be most helpful in understanding multi-threaded applications? Are there any extensions to classic UML that take into account the peculiarities of multi-threaded applications, e.g. through annotations illustrating that some objects might live in a certain thread while others have no thread-affinity; some fields of an object may be read from any thread, but written to only from one; some methods are synchronous and return a result while others are asynchronous that get requests queued up and return results for instance via a callback on a different thread.

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• my LaCie 500 Gb not mounted on 11.10

  - by pooo

  My external USB drive was recognized with 10.x versions of Ubuntu but since 11.x I am getting stuck, I had tried everything I read in forums but still the same error: 4956.401052] usb 2-1.4: new high speed USB device number 14 using ehci_hcd [ 4956.539216] scsi14 : uas [ 4956.740955] scsi 14:0:0:0: Direct-Access LaCie Rugged FW USB3 1081 PQ: 0 ANSI: 4 [ 4963.256055] scsi 14:0:0:0: uas_eh_abort_handler tag 0 [ 4963.256076] scsi 14:0:0:0: uas_eh_device_reset_handler tag 0 [ 4963.256085] scsi 14:0:0:0: uas_eh_target_reset_handler tag 0 [ 4963.256091] scsi 14:0:0:0: uas_eh_bus_reset_handler tag 0 [ 4963.328122] usb 2-1.4: reset high speed USB device number 14 using ehci_hcd [ 4963.468743] scsi 14:0:0:0: Device offlined - not ready after error recovery [ 4963.468813] scsi 14:0:0:0: rejecting I/O to offline device [ 4963.468831] scsi 14:0:0:0: rejecting I/O to offline device [ 4963.469204] scsi 14:0:0:1: uas_sense_old: urb length 26 disagrees with IU sense data length 510, using 18 bytes of sense data [ 4963.512104] sd 14:0:0:0: Attached scsi generic sg3 type 0 [ 4994.253779] sd 14:0:0:0: uas_eh_abort_handler tag 0 [ 4994.253802] sd 14:0:0:0: uas_eh_device_reset_handler tag 0 [ 4994.253809] sd 14:0:0:0: uas_eh_target_reset_handler tag 0 [ 4994.253815] sd 14:0:0:0: uas_eh_bus_reset_handler tag 0 [ 4994.325880] usb 2-1.4: reset high speed USB device number 14 using ehci_hcd [ 4994.466488] sd 14:0:0:0: Device offlined - not ready after error recovery [ 4994.466555] sd 14:0:0:0: rejecting I/O to offline device [ 4994.466573] sd 14:0:0:0: rejecting I/O to offline device [ 4994.466582] sd 14:0:0:0: rejecting I/O to offline device [ 4994.466588] sd 14:0:0:0: [sdc] READ CAPACITY failed [ 4994.466593] sd 14:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 4994.466600] sd 14:0:0:0: [sdc] Sense not available. [ 4994.466608] sd 14:0:0:0: rejecting I/O to offline device [ 4994.466616] sd 14:0:0:0: [sdc] Write Protect is off [ 4994.466622] sd 14:0:0:0: [sdc] Mode Sense: 00 00 00 00 [ 4994.466629] sd 14:0:0:0: rejecting I/O to offline device [ 4994.466635] sd 14:0:0:0: [sdc] Asking for cache data failed [ 4994.466640] sd 14:0:0:0: [sdc] Assuming drive cache: write through [ 4994.467003] sd 14:0:0:0: [sdc] Attached SCSI disk if I am trying on an old ubuntu, the drive is mounted,

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• Where are task scheduler event files stored on Windows Server 2008?

  - by MacGyver

  I tried setting up triggers in Task Scheduler Windows Server 2008, but Microsoft needs to fix a bug that I documented on Stack Overflow. So I can't use triggers until they fix this bug. Basically the Task Scheduler doesn't trigger an event that has a Result Code of 2147942402. http://stackoverflow.com/questions/10933033/windows-server-2008-task-scheduler-trigger-xml-syntax-for-email-notification-ta In the mean time, I'd like to write a task that runs .NET code that queries the log/event files programmatically every 15 minutes and sends success/failure emails based on the events that occured for the given tasks in task scheduler. Here's where the XPath is stored for the Task Trigger XML tab (that I can't rely on): C:\Windows\System32\Tasks\ I cannot find where the events (or log files containing the event ids) of each task are stored. Does anyone know where to find these log files? The log name is "Microsoft-Windows-TaskScheduler/Operational".

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• Error instantiating Texture2D in MonoGame for Windows 8 Metro Apps

  - by JimmyBoh

  I have an game which builds for WindowsGL and Windows8. The WindowsGL works fine, but the Windows8 build throws an error when trying to instantiate a new Texture2D. The Code: var texture = new Texture2D(CurrentGame.SpriteBatch.GraphicsDevice, width, 1); // Error thrown here... texture.setData(FunctionThatReturnsColors()); You can find the rest of the code on Github. The Error: SharpDX.SharpDXException was unhandled by user code HResult=-2147024809 Message=HRESULT: [0x80070057], Module: [Unknown], ApiCode: [Unknown/Unknown], Message: The parameter is incorrect. Source=SharpDX StackTrace: at SharpDX.Result.CheckError() at SharpDX.Direct3D11.Device.CreateTexture2D(Texture2DDescription& descRef, DataBox[] initialDataRef, Texture2D texture2DOut) at SharpDX.Direct3D11.Texture2D..ctor(Device device, Texture2DDescription description) at Microsoft.Xna.Framework.Graphics.Texture2D..ctor(GraphicsDevice graphicsDevice, Int32 width, Int32 height, Boolean mipmap, SurfaceFormat format, Boolean renderTarget) at Microsoft.Xna.Framework.Graphics.Texture2D..ctor(GraphicsDevice graphicsDevice, Int32 width, Int32 height) at BrewmasterEngine.Graphics.Content.Gradient.CreateHorizontal(Int32 width, Color left, Color right) in c:\Projects\Personal\GitHub\BrewmasterEngine\BrewmasterEngine\Graphics\Content\Gradient.cs:line 16 at SampleGame.Menu.Widgets.GradientBackground.UpdateBounds(Object sender, EventArgs args) in c:\Projects\Personal\GitHub\BrewmasterEngine\SampleGame\Menu\Widgets\GradientBackground.cs:line 39 at SampleGame.Menu.Widgets.GradientBackground..ctor(Color start, Color stop, Int32 scrollamount, Single scrollspeed, Boolean horizontal) in c:\Projects\Personal\GitHub\BrewmasterEngine\SampleGame\Menu\Widgets\GradientBackground.cs:line 25 at SampleGame.Scenes.IntroScene.Load(Action done) in c:\Projects\Personal\GitHub\BrewmasterEngine\SampleGame\Scenes\IntroScene.cs:line 23 at BrewmasterEngine.Scenes.Scene.LoadScene(Action`1 callback) in c:\Projects\Personal\GitHub\BrewmasterEngine\BrewmasterEngine\Scenes\Scene.cs:line 89 at BrewmasterEngine.Scenes.SceneManager.Load(String sceneName, Action`1 callback) in c:\Projects\Personal\GitHub\BrewmasterEngine\BrewmasterEngine\Scenes\SceneManager.cs:line 69 at BrewmasterEngine.Scenes.SceneManager.LoadDefaultScene(Action`1 callback) in c:\Projects\Personal\GitHub\BrewmasterEngine\BrewmasterEngine\Scenes\SceneManager.cs:line 83 at BrewmasterEngine.Framework.Game2D.LoadContent() in c:\Projects\Personal\GitHub\BrewmasterEngine\BrewmasterEngine\Framework\Game2D.cs:line 117 at Microsoft.Xna.Framework.Game.Initialize() at BrewmasterEngine.Framework.Game2D.Initialize() in c:\Projects\Personal\GitHub\BrewmasterEngine\BrewmasterEngine\Framework\Game2D.cs:line 105 at Microsoft.Xna.Framework.Game.DoInitialize() at Microsoft.Xna.Framework.Game.Run(GameRunBehavior runBehavior) at Microsoft.Xna.Framework.Game.Run() at Microsoft.Xna.Framework.MetroFrameworkView`1.Run() InnerException: Is this an error that needs to be solved in MonoGame, or is there something that I need to do differently in my engine and game?

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• Which one is better offline method for large scale application

  - by Manish Pansiniya

  We've a big data management website used by several property. Some of our customers have downtime (they can't access net for an hour or two). We want our site to support offline data viewing and inventory management (typical data search and add/remove) and when the user goes online we can sync the changes back to our central database. Customers use several platforms like Windows, iOS, etc. We've been looking into several different options, here are the major choices - Develop offline web app supported in HTML5. Develop a 'fallback' mechanism and interact with data from the app cache as explained in here (http://www.htmlgoodies.com/html5/tutorials/introduction-to-offline-web- applications-using-) Develop a desktop based cross platform solution. I remember the old MONO which has been popular. Here's a post (What do you suggest for cross platform apps, including web cross-platform-apps-including-web) and another one (Technology choice for cross platform development (desktop and phone)? platform-development-desktop-and-phone?rq=1) I realize the the desktop solution might be hard to maintain and result in some compatibility issues and demand test environments. Can HTML5 handle moderate to high level complexity and data flow? Or would it be better to rely on a desktop based app for better scalability & performance?

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• Understanding Service Compensation part of Industrial SOA series

  - by JuergenKress

  Some of the most important SOA design patterns that we have successfully applied in projects will be described in this article. These include the Compensation pattern and the UI mediator pattern, the Common Data Format pattern and the Data Access pattern. All of these patterns are included in Thomas Erl's book, "SOA Design Patterns", and are presented here in detail, together with our practical experiences. We begin our "best of" SOA pattern collection with the Compensation pattern. Compensation is required in error situations in an SOA, as multiple atomic service operations cannot generally be linked with classic transactions this would violate the principle of loose coupling. An error situation of this sort will occur, particularly if service operations are combined into processes or new services during orchestration or by applying the Composite pattern, and the transaction bracket has to be expanded as a result. We need mechanisms to undo the effects of individual services (the status changes in the overall system) and to ensure that a consistent system state is maintained at all times, so as to preserve system integrity. For the Compensation pattern, we would like to address the following questions: Why is compensation important in relation to SOA? How is the topic of compensation linked with the topic of transactions? What are the challenges with regard to compensation... Read the full article in the Service Technology Magazine or at OTN. Share your comments and feedback on the Industrial SOA series by using the hashtag #industrialsoa. Missed an article of the Industrial SOA series visit the overview at OTN. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Mix Forum Technorati Tags: Industrial SOA,SOA,SOA Service Compensation,Community,Oracle SOA,Oracle BPM,OPN,Jürgen Kress

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• Which approach would lead to an API that is easier to use?

  - by Clem

  I'm writing a JavaScript API and for a particular case, I'm wondering which approach is the sexiest. Let's take an example: writing a VideoPlayer, I add a getCurrentTime method which gives the elapsed time since the start. The first approach simply declares getCurrentTime as follows: getCurrentTime():number where number is the native number type. This approach includes a CURRENT_TIME_CHANGED event so that API users can add callbacks to be aware of time changes. Listening to this event would look like the following: myVideoPlayer.addEventListener(CURRENT_TIME_CHANGED, function(evt){ console.log ("current time = "+evt.getDispatcher().getCurrentTime()); }); The second approach declares getCurrentTime differently: getCurrentTime():CustomNumber where CustomNumber is a custom number object, not the native one. This custom object dispatches a VALUE_CHANGED event when its value changes, so there is no need for the CURRENT_TIME_CHANGED event! Just listen to the returned object for value changes! Listening to this event would look like the following: myVideoPlayer.getCurrentTime().addEventListener(VALUE_CHANGED, function(evt){ console.log ("current time = "+evt.getDispatcher().valueOf()); }); Note that CustomNumber has a valueOf method which returns a native number that lets the returned CustomNumber object being used as a number, so: var result = myVideoPlayer.getCurrentTime()+5; will work! So in the first approach, we listen to an object for a change in its property's value. In the second one we directly listen to the property for a change on its value. There are multiple pros and cons for each approach, I just want to know which one the developers would prefer to use!

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• What is wrong with my specular phong shading

  - by Thijser

  I'm sorry if this should be placed on stackoverflow instead however seeing as this is graphics related I was hoping you guys could help me: I'm attempting to write a phong shader and currently working on the specular. I came acros the following formula: base*pow(dot(V,R),shininess) and attempted to implement it (V is the posion of the viewer and R the reflective vector). This gave the following result and code: Vec3Df phongSpecular(const Vec3Df & vertexPos, Vec3Df & normal, const Vec3Df & lightPos, const Vec3Df & cameraPos, unsigned int index) { Vec3Df relativeLightPos=(lightPos-vertexPos); relativeLightPos.normalize(); Vec3Df relativeCameraPos= (cameraPos-vertexPos); relativeCameraPos.normalize(); int DotOfNormalAndLight = Vec3Df::dotProduct(normal,relativeLightPos); Vec3Df reflective =(relativeLightPos-(2*DotOfNormalAndLight*normal))*-1; reflective.normalize(); float phongyness= Vec3Df::dotProduct(reflective,relativeCameraPos); if (phongyness<0){ phongyness=0; } float shininess= Shininess[index]; float speculair = powf(phongyness,shininess); return Ks[index]*speculair; } I'm looking for something more like this:

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• TCP Tweaking options and Results: Any suggestions?

  - by krishnakumar

  I first tried with the default windows XP TCP option(It doesn't have TCPWindowSize option and TCP1323 in its Registry setting). I dynamically set those options using TCP optimizer. Here I list out the result with and without TCP Tweaking option. I see no major improvements in TCP after increasing window size optimally too. What value should I set to increase the performance? Results: Without any window size and MTU setting from server to client (receiving) TCPWindowSize : MTU : TTL: Size:586 MB total duration : 03:47 With window size extension from server to client (receiving) Bandwidth :100 Mbps Latency: 100ms BDP :1250000 TCPWindowSize : 1250000 MTU :1500 TTL:128 Size:586MB total duration : 03:44 With window size extension from server to client (receiving) TCPWindowSize :64240 MTU :1500 TTL :112 Size: 586MB total duration : 03:49

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• SQL query. An unusual join. DB implemented in sqlite-3

  - by user02814

  This is essentially a question about constructing an SQL query. The db is implemented with sqlite3. I am a relatively new user of SQL. I have two tables and want to join them in an unusual way. The following is an example to explain the problem. Table 1 (t1): id year name ------------------------- 297 2010 Charles 298 2011 David 300 2010 Peter 301 2011 Richard Table 2 (t2) id year food --------------------------- 296 2009 Bananas 296 2011 Bananas 297 2009 Melon 297 2010 Coffee 297 2012 Cheese 298 2007 Sugar 298 2008 Cereal 298 2012 Chocolate 299 2000 Peas 300 2007 Barley 300 2011 Beans 300 2012 Chickpeas 301 2010 Watermelon I want to join the tables on id and year. The catch is that (1) id must match exactly, but if there is no exact match in Table 2 for the year in Table 1, then I want to choose the year that is the next (lower) available. A selection of the kind that I want to produce would give the following result id year matchyr name food ------------------------------------------------- 297 2010 2010 Charles Coffee 298 2011 2008 David Cereal 300 2010 2007 Peter Barley 301 2011 2010 Richard Watermelon To summarise, id=297 had an exact match for year=2010 given in Table 1, so the corresponding line for id=297, year=2010 is chosen from Table 2. id=298, year=2011 did not have a matching year in Table 2, so the next available year (less than 2011) is chosen. As you can see, I would also like to know what that matched year (whether exactly , or inexactly) actually was. I would very much appreciate (1) an indication (yes/no answer) of whether this is possible to do in SQL alone, or whether I need to look outside SQL, and (2) a solution, if that is not too onerous.

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• SQL SERVER – Get Schema Name from Object ID using OBJECT_SCHEMA_NAME

  - by pinaldave

  Sometime a simple solution have even simpler solutions but we often do not practice it as we do not see value in it or find it useful. Well, today’s blog post is also about something which I have seen not practiced much in codes. We are so much comfortable with alternative usage that we do not feel like switching how we query the data. I was going over forums and I noticed that at one place user has used following code to get Schema Name from ObjectID. USE AdventureWorks2012 GO SELECT s.name AS SchemaName, t.name AS TableName, s.schema_id, t.OBJECT_ID FROM sys.Tables t INNER JOIN sys.schemas s ON s.schema_id = t.schema_id WHERE t.name = OBJECT_NAME(46623209) GO Before I continue let me say I do not see anything wrong with this script. It is just fine and one of the way to get SchemaName from Object ID. However, I have been using function OBJECT_SCHEMA_NAME to get the schema name. If I have to write the same code from the beginning I would have written the same code as following. SELECT OBJECT_SCHEMA_NAME(46623209) AS SchemaName, t.name AS TableName, t.schema_id, t.OBJECT_ID FROM sys.tables t WHERE t.name = OBJECT_NAME(46623209) GO Now, both of the above code give you exact same result. If you remove the WHERE condition it will give you information of all the tables of the database. Now the question is which one is better – honestly – it is not about one is better than other. Use the one which you prefer to use. I prefer to use second one as it requires less typing. Let me ask you the same question to you – which method to get schema name do yo use? and Why? Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL System Table, SQL Tips and Tricks, T SQL, Technology

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• Dividing up spritesheet in Javascript

  - by hustlerinc

  I would like to implement an object for my spritesheets in Javascript. I'm very new to this language and game-developement so I dont really know how to do it. My guess is I set spritesize to 16, use that to divide as many times as it fits on the spritesheet and store this value as "spritesheet". Then a for(i=0;i<spritesheet.length;i++) loop running over the coordinates. Then tile = new Image(); and tile.src = spritesheet[i] to store the individual sprites based on their coordinates on the spritesheet. My problem is how could I loop trough the spritesheet and make an array of that? The result should be similar to: var tile = Array( "img/ground.png", "img/crate.png" ); If possible this would be done with one single object that i only access once, and the tile array would be stored for later reference. I couldn't find anything similar searching for "javascript spritesheet". Edit: I made a small prototype of what I'm after: function Sprite(){ this.size = 16; this.spritesheet = new Image(); this.spritesheet.src = 'img/spritesheet.png'; this.countX = this.spritesheet.width / 16; this.countY = this.spritesheet.height / 16; this.spriteCount = this.countX * this.countY; this.divide = function(){ for(i=0;i<this.spriteCount;i++){ // define spritesheet coordinates and store as tile[i] } } } Am I on the right track?

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• Puppet class inheritance confusion

  - by EMiller

  I've read the documentation on scope, but I'm still having trouble working this out. I've got two environments that are very similar - so I've got: modules/django-env/manifests/init.pp class django-env { package { "python26": ensure => installed } # etc ... } import "er.pp" modules/django-env/manifests/er.pp $venvname = "er" $venvpath = "/home/django/virtualenvs" class er { file { "$venvpath/$venvname" : ensure => directory } # etc ... } class er-dev { include er } class er-bce-dev { $venvname = "er-bce" include er } manifests/modules.pp import "django-env" manifests/nodes.pp node default { # etc ... } node 'centos-dev' imports default { include django-env include er-bce-dev include er-dev } The result here is that the "inheritance" works - but only the first "er-" item under the 'centos-dev' node is acted upon, I either get er-bce-dev or er-dev, but not both. There must be some basic thing I'm misunderstanding here. Is it the difference between import and include ? (not sure I understand that)

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• Write DAX queries in Report Builder #ssrs #dax #ssas #tabular

  - by Marco Russo (SQLBI)

  If you use Report Builder with Reporting Services, you can use DAX queries even if the editor for Analysis Services provider does not support DAX syntax. In fact, the DMX editor that you can use in Visual Studio editor of Reporting Services (see a previous post on that), is not available in Report Builder. However, as Sagar Salvi commented in this Microsoft Connect entry, you can use the DAX query text in the query of a Dataset by using the OLE DB provider instead of the Analysis Services one. I think it’s a good idea to show the steps required. First, create a DataSet using the OLE DB connection type, and provide the connection string the provider (Provider), the server name (Data Source) and the database name (Initial Catalog), such as: Provider=MSOLAP;Data Source=SERVERNAME\\TABULAR;Initial Catalog=AdventureWorks Tabular Model SQL 2012 Then, create a Dataset using the data source previously defined, select the Text query type, and write the DAX code in the Query pane: You can also use the Query Designer window, that doesn’t provide any particular help in writing the DAX query, but at least can show a preview of the result of the query execution. I hope DAX will get better editors in the future… in the meantime, remember you can use DAX Studio to write and test your DAX queries, and DAX Formatter to improve their readability!If you want to learn the DAX Query Language, I suggest you watching my video Data Analysis Expressions as a Query Language on Project Botticelli!

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• What could explain my partitions disappearing on a new SSD with Windows 7?

  - by charlesrandall

  So this morning, I had a fresh install of Windows 7 pro, on a new SSD (Patriot TorqX 128gb), which I just put in to a new Dell Studio XPS 9000. Everything was fine. I booted to windows, no problem. I go to work. 8 hours later, I come home, and I'm greeted by my boot screen complaining about no bootable devices. Windows repair from the Windows 7 pro disk says it can't fix the problem. It doesn't see any windows installs. I boot up GParted, and my SSD is completely unallocated. No space used, no partitions. Perhaps this is related to allowing windows 7 to create a utility partition when I installed? Only thing I can think of. Is there some kind of known hardware issue that can result in an SSD completely wiping itself?

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• Patch msp into msi package

  - by Kvad

  The latest update of Windows Live Messenger is an msp added to the package. I want to patch a msp into an msi. Reference download http://wl.dlservice.microsoft.com/download/8/3/D/83D75746-DF04-45E9-8374-BD31B9419128/en/wlsetup-all.exe I extract all msi and msps from this. (To get the msp and msi's I did the following Use resource hacker to open up wlsetup-all.exe In the left hand tree browse to PACKAGE Right click PACKAGE, save PACKAGE resources Save to a new temp folder Eg. D:\temp\package.rc This will output a whole lot of .bin files These are just cab files so we need to do a mass rename “ren *.bin *.cab” Once done select all cab files and extract to a new sub folder \extracted In \extracted you will see all the msi, msp and 7z files you need) I try to apply the msp directly with no result msiexec /p messenger.msp /a messenger.msi I also try doing a admin install with nothing being extracted.

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