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Frederick .NET User Group March Meeting

- by John Blumenauer

FredNUG is pleased to announce that we have an excellent speaker lined up for March. On March 16th, we’ll start with pizza and social networking at 6:30 PM. Then, starting at 7 PM, Roberto Hernandez will present “Ramp up on ASP.NET MVC2!” The scheduled agenda is: 6:30 PM - 7:00 PM - Pizza/Social Networking/Announcements 7:00 PM - 8:30 PM - Main Topic: Ramp up on ASP.NET MVC2! with Roberto Hernandez Main Topic Description: Learn about the new features in the ASP.NET MVC2 Beta release. Learn how Areas, Templates, Validation, Model Metadata, and Strongly typed URL Helpers will improve the development experience on the ASP.NET MVC stack. Speaker Bio: Roberto Hernandez is currently a senior consultant for Excella Consulting, who has been designing and writing software using Microsoft technology for the past the 10 years. Originally from the Dominican Republic, Roberto is one of the founders of the NetaWeb community, the leading .NET developers community in the region. You can read more about Roberto at his blog at http://www.overridethis.com. 8:30 PM - 8:45 PM – RAFFLE! Please join us and get involved in our .NET developers community!

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hdmi AC-3 audio broke after upgrading from 11.10 to 12.04.3

- by Jim LastName

I just updated my MythBuntu 11.10 to 12.04.3. Now, when I try to play 5.1 content (ripped DVD), my TV (and receiver) plays a "chattering" sound. I check my receiver and the digital dolby light isn't on--it's in PCM mode. So, either the audio is getting sent as AC-3, but the TV and receiver think it's PCM or the AC-3 audio got converted to multichannel PCM and they can't handle it. My setup: hdmi cable from htpc to TV. TV has an s/pdif output to my receiver. I know TV sends AC-3 audio out correctly because I see digital dolby light come on when I view a digital TV channel and PCM come on when I view an old analog channel. I can connect s/pdif from my htpc to my receiver and the digital dolby light comes on and it can decode the audio just fine. It's just not sending it right over hdmi. Now for some hints to the issue: I noticed in MythTV audio setup when I select alsa:hdmi.... the description only lists 2 channel PCM audio capability. speaker-test -Dhdmi:PCH -c6 errors about a bad channel count (only -c2 works). Finally, I tried vlc and it does the same chattering sound. These all make me think this isn't a MythTV issue, it's something lower than that. I think the best way to troubleshoot this is to start at the drivers and check each layer, one at a time all the way to alsa. I just don't know what the layers are and how to do it. So, I need to find some audio troubleshooting guide to assist me. Or, if one doesn't exist, I'd appreciate some steps. Thanks much, Jim

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CodePlex Daily Summary for Monday, October 07, 2013

CodePlex Daily Summary for Monday, October 07, 2013Popular ReleasesGhostscript.NET: Ghostscript.NET v.1.1.0.: v.1.1.0. added GhostscriptViewer state handling (SaveState, RestoreState) GhostscriptRasterizer constructor is extended in order to support usage of the existing GhostscriptViewer instance. fixed problem while using a 32-bit assembly with 32-bit version of Ghostscript on 64-bit Windows: It couldn't find a registry key of installed Ghostscript. Reported and fixed by "r0land". v.1.0.9. implemented EPS (Encapsulated PostScript) support for the GhostscriptViewer. added GhostscriptRasterize...Ghostscript Studio: Ghostscript.Studio v.1.0.2: Ghostscript Studio is easy to use Ghostscript IDE, a tool that facilitates the use of the Ghostscript interpreter by providing you with a graphical interface for postscript editing and file conversions. Ghostscript Studio allows you to preview postscript files, edit the code and execute them in order to convert PDF documents and other formats. The program allows you to convert between PDF, Postscript, EPS, TIFF, JPG and PNG by using the Ghostscript.NET Processor. v.1.0.2. added custom -c s...cmdradio: v0.1.1 binary: Default download in win32. For other OS see here. This is alpha version. Please report all bugs.Media Companion: Media Companion MC3.579b: Fixed IMDB actor scraping for Movies and TV. Note: there are a couple of new functions that are not active, as this release needed to be done due to IMDB change. New* TV - context menu for rescrapeing Poster image/Banner image Fixed* Both - Fixed actor scraping from IMDB * Movie - Fixed Tableview if Movie's movieset was not in MC's list of moviesets * Movie - Rename with mediainfo now lowercase. * Both - added ignore "A " in titles. Separate option in General Preferences. * Tv - Changing ...VidCoder: 1.5.7 Beta: Updated HandBrake core to SVN 4819. About dialog now pulls down HandBrake version from the DLL. Added a confirmation dialog to Stop if the encode has been going on for more than 5 minutes. Fixed handling of unicode characters for input and output filenames. We now encode to UTF-8 before passing to HandBrake. Fixed a crash in the queue multiple titles dialog. Added code to rescue tool windows which get placed outside of the visible screen area.Wsus Package Publisher: Release v1.3.1310.05: Enhance the "Reboot Remote Computers", by adding a timer before the reboot occure. So that remote users can save their documents and close applications. You can also add a message to be display. In 'Tools'->'Settings'-> Misc Tab, you can set a default message. Enhance the "Compare Computers against AD", by choosing OUs to include in the comparison.Event-Based Components AppBuilder: AB3.Iteration.53: Iteration 53 (Feature): Allow drag&drop of existing component (flow, step) from component list to chart. Duplicate names are automatically recognized and solved. By the color of the draged component you can see what kind of component (flow or step) is currently draged. New: AddExistingComponentFlow, PartDragDropEventHandler, ExistingStepPreparerPulse: Pulse 0.6.7.3: Pulse is now accepting donations. To donate by Bitcoin or PayPal see https://pulse.codeplex.com/wikipage?title=Donations Lots of updates in v0.6.7.3: (Feature) New option allows you to disable wallpaper changing when a full screen application is running. This way Pulse doesn't slow down/lag your videos and games :) (Fix) Some users were getting Wallbase errors when logging in. This has been fixed. (Feature) Right click a provider and you can now make a copy of it by selecting the "Dupl...MoreTerra (Terraria World Viewer): MoreTerra 1.11.1: Release 1.11.1 =========== =Bug Fixes= =========== Added more tile blocks (Clouds, crimstone) Added items (binoculars, rope, Pirahna Gun) Added ores (Lead, Tin) Chests now work, I broke them yesterday. =============== =Known Issues= =============== I am having trouble with new background walls. So you will see a red outline for crimson then a pink inside. Same with where I think the queen bee lives.VG-Ripper & PG-Ripper: PG-Ripper 1.4.19: NEW: Added Option to login as Guest NEW: Added Menu Option to delete an Forum Account NEW: Added Support for "ImageTeam.org links FIXED: Fixed Ripping of http://forum.babeunion.com ForumsSingle Line Diagram (Electrical) Control Library: Single Line Diagram (Electrical) Control Lib - 1.2: In this release of SLD (Electrical) Control Lib I have fix code for the following symbols... 1. Switch 2. Isolator 3. Lightening Arrestor 4. Meter A new symbol is added for "Pothead Terminal" You can give it a try. I will keep improving and posting the new features.State of Decay Save Manager: Version 1.0.4: Add version at bottom of formCollection Commander for Configuration Manager 2012: CMCollCtr_1.0.0.2: Windows Installer (MSI) setup;New Ribbon Toolbar implemented; more Powershell commands...Classic WiX Burn Theme: Classic WiX Burn Theme 1.0: Project Description A WiX Burn theme inspired by the classic WiX wizard user interface.QuickConverter: QuickConverter 0.7.3 Beta: Allows access to external variables from inside lambda expressions.DNN® Form and List: DNN Form and List 06.00.07: DotNetNuke Form and List 06.00.06 Changes to 6.0.7•Fixed an error in datatypes.config that caused calculated fields to be missing in 6.0.6 Changes to 6.0.6•Add in Sql to remove 'text on row' setting for UserDefinedTable to make SQL Azure compatible. •Add new azureCompatible element to manifest. •Added a fix for importing templates. Changes to 6.0.2•Fix: MakeThumbnail was broken if the application pool was configured to .Net 4 •Change: Data is now stored in nvarchar(max) instead of ntext C...Trace Reader for Microsoft Dynamics CRM: Trace Reader (1.2013.10.3): Fix a bug when the first caracter of a description line is '[' Add search featureSimpleExcelReportMaker: Serm 0.03: SourceCode and Sample .Net Framework 3.5 AnyCPU compile.Application Architecture Guidelines: App Architecture Guidelines 3.0.8: This document is an overview of software qualities, principles, patterns, practices, tools and libraries.BlackJumboDog: Ver5.9.6: 2013.09.30 Ver5.9.6 (1)SMTP???????、???????????????? (2)WinAPI??????? (3)Web???????CGI???????????????????????New ProjectsASP.NET and ASP.NET MVC Blog Test: As a recent convert from Windows Forms & WPF to ASP.NET and ASP.NET MVC, I've created a simple project and implemented it twice using ASP.NET and ASP.NET MVC.cmdradio: Simple command-line interface internet radio playerDa Nang College Of Technology: Cao Ð?ng Công Ngh?DNN Camera Slideshow: The Camera Slideshow module for DNNFolder Iterator: Folder Iterator is a program I made one night to iterate through a folder and output an ordered list of files contained within the chosen directory.foobarpoc: fooJamendo Search Rest: This project uses the Jamendo REST API to search songs by title.Lab Nhibernate, PRISM, WPF, FLUENT, C#, ServiceStack, JSON: This is a lab for new technology and solving real developer problem Merch ASP.NET: This project is a port of Merch built on Zend framework 2 / PHP 5.MyTest2: This is test project2.Paintbear: Paintbear is a free open-source Paint Program and Image Manipulation Program for Windows based on the .NET Framework(version4). Works on Linux,too ! With Wine RasterConversion (.Net framework): Comparison of variants for working with raster (Bitmap class) at a low level. .Net framework, C#SSIS Custom Connection Manager: Example code for creating a Custom Connection Manager in SSIS 2008 and 2012Web Scripting Project: This is a project related to web application development at the Universtity of HertfordshireWebscripting1: New Scripting Website for University of Herts course Write.NET: Another .NET Blogging Engine: Write.NET is currently under development. Write.NET will be lightweight and highly configurable blogging engine built in MVC4Yoer: ????ASP.NET MVC??，????????????

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Install NPM Packages Automatically for Node.js on Windows Azure Web Site

- by Shaun

In one of my previous post I described and demonstrated how to use NPM packages in Node.js and Windows Azure Web Site (WAWS). In that post I used NPM command to install packages, and then use Git for Windows to commit my changes and sync them to WAWS git repository. Then WAWS will trigger a new deployment to host my Node.js application. Someone may notice that, a NPM package may contains many files and could be a little bit huge. For example, the “azure” package, which is the Windows Azure SDK for Node.js, is about 6MB. Another popular package “express”, which is a rich MVC framework for Node.js, is about 1MB. When I firstly push my codes to Windows Azure, all of them must be uploaded to the cloud. Is that possible to let Windows Azure download and install these packages for us? In this post, I will introduce how to make WAWS install all required packages for us when deploying. Let’s Start with Demo Demo is most straightforward. Let’s create a new WAWS and clone it to my local disk. Drag the folder into Git for Windows so that it can help us commit and push. Please refer to this post if you are not familiar with how to use Windows Azure Web Site, Git deployment, git clone and Git for Windows. And then open a command windows and install a package in our code folder. Let’s say I want to install “express”. And then created a new Node.js file named “server.js” and pasted the code as below. 1: var express = require("express"); 2: var app = express(); 3: 4: app.get("/", function(req, res) { 5: res.send("Hello Node.js and Express."); 6: }); 7: 8: console.log("Web application opened."); 9: app.listen(process.env.PORT); If we switch to Git for Windows right now we will find that it detected the changes we made, which includes the “server.js” and all files under “node_modules” folder. What we need to upload should only be our source code, but the huge package files also have to be uploaded as well. Now I will show you how to exclude them and let Windows Azure install the package on the cloud. First we need to add a special file named “.gitignore”. It seems cannot be done directly from the file explorer since this file only contains extension name. So we need to do it from command line. Navigate to the local repository folder and execute the command below to create an empty file named “.gitignore”. If the command windows asked for input just press Enter. 1: echo > .gitignore Now open this file and copy the content below and save. 1: node_modules Now if we switch to Git for Windows we will found that the packages under the “node_modules” were not in the change list. So now if we commit and push, the “express” packages will not be uploaded to Windows Azure. Second, let’s tell Windows Azure which packages it needs to install when deploying. Create another file named “package.json” and copy the content below into that file and save. 1: { 2: "name": "npmdemo", 3: "version": "1.0.0", 4: "dependencies": { 5: "express": "*" 6: } 7: } Now back to Git for Windows, commit our changes and push it to WAWS. Then let’s open the WAWS in developer portal, we will see that there’s a new deployment finished. Click the arrow right side of this deployment we can see how WAWS handle this deployment. Especially we can find WAWS executed NPM. And if we opened the log we can review what command WAWS executed to install the packages and the installation output messages. As you can see WAWS installed “express” for me from the cloud side, so that I don’t need to upload the whole bunch of the package to Azure. Open this website and we can see the result, which proved the “express” had been installed successfully. What’s Happened Under the Hood Now let’s explain a bit on what the “.gitignore” and “package.json” mean. The “.gitignore” is an ignore configuration file for git repository. All files and folders listed in the “.gitignore” will be skipped from git push. In the example below I copied “node_modules” into this file in my local repository. This means, do not track and upload all files under the “node_modules” folder. So by using “.gitignore” I skipped all packages from uploading to Windows Azure. “.gitignore” can contain files, folders. It can also contain the files and folders that we do NOT want to ignore. In the next section we will see how to use the un-ignore syntax to make the SQL package included. The “package.json” file is the package definition file for Node.js application. We can define the application name, version, description, author, etc. information in it in JSON format. And we can also put the dependent packages as well, to indicate which packages this Node.js application is needed. In WAWS, name and version is necessary. And when a deployment happened, WAWS will look into this file, find the dependent packages, execute the NPM command to install them one by one. So in the demo above I copied “express” into this file so that WAWS will install it for me automatically. I updated the dependencies section of the “package.json” file manually. But this can be done partially automatically. If we have a valid “package.json” in our local repository, then when we are going to install some packages we can specify “--save” parameter in “npm install” command, so that NPM will help us upgrade the dependencies part. For example, when I wanted to install “azure” package I should execute the command as below. Note that I added “--save” with the command. 1: npm install azure --save Once it finished my “package.json” will be updated automatically. Each dependent packages will be presented here. The JSON key is the package name while the value is the version range. Below is a brief list of the version range format. For more information about the “package.json” please refer here. Format Description Example version Must match the version exactly. "azure": "0.6.7" >=version Must be equal or great than the version. "azure": ">0.6.0" 1.2.x The version number must start with the supplied digits, but any digit may be used in place of the x. "azure": "0.6.x" ~version The version must be at least as high as the range, and it must be less than the next major revision above the range. "azure": "~0.6.7" * Matches any version. "azure": "*" And WAWS will install the proper version of the packages based on what you defined here. The process of WAWS git deployment and NPM installation would be like this. But Some Packages… As we know, when we specified the dependencies in “package.json” WAWS will download and install them on the cloud. For most of packages it works very well. But there are some special packages may not work. This means, if the package installation needs some special environment restraints it might be failed. For example, the SQL Server Driver for Node.js package needs “node-gyp”, Python and C++ 2010 installed on the target machine during the NPM installation. If we just put the “msnodesql” in “package.json” file and push it to WAWS, the deployment will be failed since there’s no “node-gyp”, Python and C++ 2010 in the WAWS virtual machine. For example, the “server.js” file. 1: var express = require("express"); 2: var app = express(); 3: 4: app.get("/", function(req, res) { 5: res.send("Hello Node.js and Express."); 6: }); 7: 8: var sql = require("msnodesql"); 9: var connectionString = "Driver={SQL Server Native Client 10.0};Server=tcp:tqy4c0isfr.database.windows.net,1433;Database=msteched2012;Uid=shaunxu@tqy4c0isfr;Pwd=P@ssw0rd123;Encrypt=yes;Connection Timeout=30;"; 10: app.get("/sql", function (req, res) { 11: sql.open(connectionString, function (err, conn) { 12: if (err) { 13: console.log(err); 14: res.send(500, "Cannot open connection."); 15: } 16: else { 17: conn.queryRaw("SELECT * FROM [Resource]", function (err, results) { 18: if (err) { 19: console.log(err); 20: res.send(500, "Cannot retrieve records."); 21: } 22: else { 23: res.json(results); 24: } 25: }); 26: } 27: }); 28: }); 29: 30: console.log("Web application opened."); 31: app.listen(process.env.PORT); The “package.json” file. 1: { 2: "name": "npmdemo", 3: "version": "1.0.0", 4: "dependencies": { 5: "express": "*", 6: "msnodesql": "*" 7: } 8: } And it failed to deploy to WAWS. From the NPM log we can see it’s because “msnodesql” cannot be installed on WAWS. The solution is, in “.gitignore” file we should ignore all packages except the “msnodesql”, and upload the package by ourselves. This can be done by use the content as below. We firstly un-ignored the “node_modules” folder. And then we ignored all sub folders but need git to check each sub folders. And then we un-ignore one of the sub folders named “msnodesql” which is the SQL Server Node.js Driver. 1: !node_modules/ 2: 3: node_modules/* 4: !node_modules/msnodesql For more information about the syntax of “.gitignore” please refer to this thread. Now if we go to Git for Windows we will find the “msnodesql” was included in the uncommitted set while “express” was not. I also need remove the dependency of “msnodesql” from “package.json”. Commit and push to WAWS. Now we can see the deployment successfully done. And then we can use the Windows Azure SQL Database from our Node.js application through the “msnodesql” package we uploaded. Summary In this post I demonstrated how to leverage the deployment process of Windows Azure Web Site to install NPM packages during the publish action. With the “.gitignore” and “package.json” file we can ignore the dependent packages from our Node.js and let Windows Azure Web Site download and install them while deployed. For some special packages that cannot be installed by Windows Azure Web Site, such as “msnodesql”, we can put them into the publish payload as well. With the combination of Windows Azure Web Site, Node.js and NPM it makes even more easy and quick for us to develop and deploy our Node.js application to the cloud. Hope this helps, Shaun All documents and related graphics, codes are provided "AS IS" without warranty of any kind. Copyright © Shaun Ziyan Xu. This work is licensed under the Creative Commons License.

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WSDL-world vs CLR-world – some differences

- by nmarun

A change in mindset is required when switching between a typical CLR application and a web service application. There are some things in a CLR environment that just don’t add-up in a WSDL arena (and vice-versa). I’m listing some of them here. When I say WSDL-world, I’m mostly talking with respect to a WCF Service and / or a Web Service. No (direct) Method Overloading: You definitely can have overloaded methods in a, say, Console application, but when it comes to a WCF / Web Services application, you need to adorn these overloaded methods with a special attribute so the service knows which specific method to invoke. When you’re working with WCF, use the Name property of the OperationContract attribute to provide unique names. 1: [OperationContract(Name = "AddInt")] 2: int Add(int arg1, int arg2); 3: 4: [OperationContract(Name = "AddDouble")] 5: double Add(double arg1, double arg2); By default, the proxy generates the code for this as: 1: [System.ServiceModel.OperationContractAttribute( 2: Action="http://tempuri.org/ILearnWcfService/AddInt", 3: ReplyAction="http://tempuri.org/ILearnWcfService/AddIntResponse")] 4: int AddInt(int arg1, int arg2); 5: 6: [System.ServiceModel.OperationContractAttribute( 7: Action="http://tempuri.org/ILearnWcfServiceExtend/AddDouble", 8: ReplyAction="http://tempuri.org/ILearnWcfServiceExtend/AddDoubleResponse")] 9: double AddDouble(double arg1, double arg2); With Web Services though the story is slightly different. Even after setting the MessageName property of the WebMethod attribute, the proxy does not change the name of the method, but only the underlying soap message changes. 1: [WebMethod] 2: public string HelloGalaxy() 3: { 4: return "Hello Milky Way!"; 5: } 6: 7: [WebMethod(MessageName = "HelloAnyGalaxy")] 8: public string HelloGalaxy(string galaxyName) 9: { 10: return string.Format("Hello {0}!", galaxyName); 11: } The one thing you need to remember is to set the WebServiceBinding accordingly. 1: [WebServiceBinding(ConformsTo = WsiProfiles.None)] The proxy is: 1: [System.Web.Services.Protocols.SoapDocumentMethodAttribute("http://tempuri.org/HelloGalaxy", 2: RequestNamespace="http://tempuri.org/", 3: ResponseNamespace="http://tempuri.org/", 4: Use=System.Web.Services.Description.SoapBindingUse.Literal, 5: ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)] 6: public string HelloGalaxy() 7: 8: [System.Web.Services.WebMethodAttribute(MessageName="HelloGalaxy1")] 9: [System.Web.Services.Protocols.SoapDocumentMethodAttribute("http://tempuri.org/HelloAnyGalaxy", 10: RequestElementName="HelloAnyGalaxy", 11: RequestNamespace="http://tempuri.org/", 12: ResponseElementName="HelloAnyGalaxyResponse", 13: ResponseNamespace="http://tempuri.org/", 14: Use=System.Web.Services.Description.SoapBindingUse.Literal, 15: ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)] 16: [return: System.Xml.Serialization.XmlElementAttribute("HelloAnyGalaxyResult")] 17: public string HelloGalaxy(string galaxyName) 18: You see the calling method name is the same in the proxy, however the soap message that gets generated is different. Using interchangeable data types: See details on this here. Type visibility: In a CLR-based application, if you mark a field as private, well we all know, it’s ‘private’. Coming to a WSDL side of things, in a Web Service, private fields and web methods will not get generated in the proxy. In WCF however, all your operation contracts will be public as they get implemented from an interface. Even in case your ServiceContract interface is declared internal/private, you will see it as a public interface in the proxy. This is because type visibility is a CLR concept and has no bearing on WCF. Also if a private field has the [DataMember] attribute in a data contract, it will get emitted in the proxy class as a public property for the very same reason. 1: [DataContract] 2: public struct Person 3: { 4: [DataMember] 5: private int _x; 6: 7: [DataMember] 8: public int Id { get; set; } 9: 10: [DataMember] 11: public string FirstName { get; set; } 12: 13: [DataMember] 14: public string Header { get; set; } 15: } 16: } See the ‘_x’ field is a private member with the [DataMember] attribute, but the proxy class shows as below: 1: [System.Runtime.Serialization.DataMemberAttribute()] 2: public int _x { 3: get { 4: return this._xField; 5: } 6: set { 7: if ((this._xField.Equals(value) != true)) { 8: this._xField = value; 9: this.RaisePropertyChanged("_x"); 10: } 11: } 12: } Passing derived types to web methods / operation contracts: Once again, in a CLR application, I can have a derived class be passed as a parameter where a base class is expected. I have the following set up for my WCF service. 1: [DataContract] 2: public class Employee 3: { 4: [DataMember(Name = "Id")] 5: public int EmployeeId { get; set; } 6: 7: [DataMember(Name="FirstName")] 8: public string FName { get; set; } 9: 10: [DataMember] 11: public string Header { get; set; } 12: } 13: 14: [DataContract] 15: public class Manager : Employee 16: { 17: [DataMember] 18: private int _x; 19: } 20: 21: // service contract 22: [OperationContract] 23: Manager SaveManager(Employee employee); 24: 25: // in my calling code 26: Manager manager = new Manager {_x = 1, FirstName = "abc"}; 27: manager = LearnWcfServiceClient.SaveManager(manager); The above will throw an exception saying: In short, this is saying, that a Manager type was found where an Employee type was expected! Hierarchy flattening of interfaces in WCF: See details on this here. In CLR world, you’ll see the entire hierarchy as is. That’s another difference. Using ref parameters: * can use ref for parameters, but operation contract should not be one-way (gives an error when you do an update service reference) => bad programming; create a return object that is composed of everything you need! This one kind of stumped me. Not sure why I tried this, but you can pass parameters prefixed with ref keyword* (* terms and conditions apply). The main issue is this, how would we know the changes that were made to a ‘ref’ input parameter are returned back from the service and updated to the local variable? Turns out both Web Services and WCF make this tracking happen by passing the input parameter in the response soap. This way when the deserializer does its magic, it maps all the elements of the response xml thereby updating our local variable. Here’s what I’m talking about. 1: [WebMethod(MessageName = "HelloAnyGalaxy")] 2: public string HelloGalaxy(ref string galaxyName) 3: { 4: string output = string.Format("Hello {0}", galaxyName); 5: if (galaxyName == "Andromeda") 6: { 7: galaxyName = string.Format("{0} (2.5 million light-years away)", galaxyName); 8: } 9: return output; 10: } This is how the request and response look like in soapUI. As I said above, the behavior is quite similar for WCF as well. But the catch comes when you have a one-way web methods / operation contracts. If you have an operation contract whose return type is void, is marked one-way and that has ref parameters then you’ll get an error message when you try to reference such a service. 1: [OperationContract(Name = "Sum", IsOneWay = true)] 2: void Sum(ref double arg1, ref double arg2); 3: 4: public void Sum(ref double arg1, ref double arg2) 5: { 6: arg1 += arg2; 7: } This is what I got when I did an update to my service reference: Makes sense, because a OneWay operation is… one-way – there’s no returning from this operation. You can also have a one-way web method: 1: [SoapDocumentMethod(OneWay = true)] 2: [WebMethod(MessageName = "HelloAnyGalaxy")] 3: public void HelloGalaxy(ref string galaxyName) This will throw an exception message similar to the one above when you try to update your web service reference. In the CLR space, there’s no such concept of a ‘one-way’ street! Yes, there’s void, but you very well can have ref parameters returned through such a method. Just a point here; although the ref/out concept sounds cool, it’s generally is a code-smell. The better approach is to always return an object that is composed of everything you need returned from a method. These are some of the differences that we need to bear when dealing with services that are different from our daily ‘CLR’ life.

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Smart defaults [SSDT]

- by jamiet

I’ve just discovered a new, somewhat hidden, feature in SSDT that I didn’t know about and figured it would be worth highlighting here because I’ll bet not many others know it either; the feature is called Smart Defaults. It gets around the problem of adding a NOT NULLable column to an existing table that has got data in it – previous to SSDT you would need to define a DEFAULT constraint however it does feel rather cumbersome to create an object purely for the purpose of pushing through a deployment – that’s the situation that Smart Defaults is meant to alleviate. The Smart Defaults option exists in the advanced section of a Publish Profile file: The description of the setting is “Automatically provides a default value when updating a table that contains data with a column that does not allow null values”, in other words checking that option will cause SSDT to insert an arbitrary default value into your newly created NON NULLable column. In case you’re wondering how it does it, here’s how: SSDT creates a DEFAULT CONSTRAINT at the same time as the column is created and then immediately removes that constraint: ALTER TABLE [dbo].[T1] ADD [C1] INT NOT NULL, CONSTRAINT [SD_T1_1df7a5f76cf44bb593506d05ff9a1e2b] DEFAULT 0 FOR [C1];ALTER TABLE [dbo].[T1] DROP CONSTRAINT [SD_T1_1df7a5f76cf44bb593506d05ff9a1e2b]; You can then update the value as appropriate in a Post-Deployment script. Pretty cool! On the downside, you can only specify this option for the whole project, not for an individual table or even an individual column – I’m not sure that I’d want to turn this on for an entire project as it could hide problems that a failed deployment would highlight, in other words smart defaults could be seen to be “papering over the cracks”. If you think that should be improved go and vote (and leave a comment) at [SSDT] Allow us to specify Smart defaults per table or even per column. @Jamiet

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Atheros wireless not working

- by Chandru1

I have been struggling hard since i have installed Ubuntu 10.10 but it has been difficult for me to get my wifi working. So here is what i tried. First i checked whether i have the driver using the ifconfig command and it shows the wireless lan driver as wlan0. Next, i tried the command iwlist wlan0 scanning by becoming the root which gave me the output as no scan results. Next, i visited this link https://help.ubuntu.com/community/WifiDocs/Driver/Atheros to see as to what problem my laptop may have. I do own have an ath5k chipset. And as i followed the instructions in the above link in one of the blacklist-ath_pci.conf file had this written in it. For some Atheros 5K RF MACs, the madwifi driver loads buts fails to correctly initialize the hardware, leaving it in a state from which ath5k cannot recover. To prevent this condition, stop madwifi from loading by default. Use Jockey to select one driver or the other. (Ubuntu: #315056, #323830 I am not that good at Linux but i have given it a try. I am desperate to have my wifi working and i would be glad if this community could help. ADDED: If anyone would like to know as to what drivers i am using this is the output. network description: Wireless interface product: AR2413 802.11bg NIC vendor: Atheros Communications Inc. physical id: 3 bus info: pci@0000:0a:03.0 logical name: wlan0 version: 01 serial: 00:19:7d:d3:0c:fd width: 32 bits clock: 33MHz capabilities: pm bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath5k driverversion=2.6.35-24-generic firmware=N/A latency=168 link=no maxlatency=28 mingnt=10 multicast=yes wireless=IEEE 802.11bg resources: irq:18 memory:d0000000-d000ffff Some more information and output as to what i have done. lsmod | grep ath ath5k 130083 0 mac80211 231541 1 ath5k ath 8153 1 ath5k cfg80211 144470 3 ath5k,mac80211,ath led_class 2633 1 ath5k

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Is there a distributed project management software like Redmine?

- by Tobias Kienzler

I am quite familiar with and love using git, among other reasons due to its distributed nature. Now I'd like to set up some similarly distributed (FOSS) Project Management software with features similar to what Redmine offers, such as Issue & time tracking, milestones Gantt charts, calendar git integration, maybe some automatic linking of commits and issues Wiki (preferably with Mathjax support) Forum, news, notifications Multiple Projects However, I am looking for a solution that does not require a permanently accesible server, i.e. like in git, each user should have their own copy which can be easily synchronized with others. However it should be possible to not have a copy of every Project on every machine. Since trac uses multiple instances for multiple projects anyway, I was considering using that, but I neither know how well it adapts to simply giting the database itself (which would be be easiest way to handle the distribution due to git being used anyway), nor does it include all of Redmine's feature. So, can you recommend me a distributed project management software? If your suggestion is a software that usually runs on a server please include a description of the distribution method (e.g. whether simply putting the data in a git repository would do the trick), and if it's e.g. trac, please mention plugins required to include the features mentioned.

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Search Work Items for TFS 2010 - New Extension

- by MikeParks

A few months ago I was constantly using Visual Studio 2008 with Team Foundation Server 2008. Searching for work items with queries inside Visual Studio became a pain until I found an add in that simplifed it into one little search box in the IDE. It allowed me to enter some text in, hit the enter key, and it would bring back a list (aka open a .wiq file) of work items that matched the text entered. I became a huge fan of Noah Coad's Search Work Item Add In. He wrote a pretty good blog on how to use it as well. Of course when we upgraded to Visual Studio 2010 and Team Foundation Server 2010, the 2008 add in no longer worked. I didn't see any updates for it on codeplex to be 2010 compatible. Cory Cissell and I have published a few Visual Studio Extensions already so I figured I'd take a shot at making this tool 2010 compatible by turning it into an extension. Sure enough, it worked. We used it locally for a while and recently decided to publish it to the Visual Studio Gallery. If you are currently looking for an easy way to search work items in Visual Studio 2010, this is worth checking out. Big thanks goes out to Noah for originally creating this on codeplex. The extension we created can be downloaded here: http://visualstudiogallery.msdn.microsoft.com/en-us/3f31bfff-5ecb-4e05-8356-04815851b8e7 * Additional note: The default search fields are Title, History, and Description. If you want to modify which work item fields are searchable, type in "--template" (no quotes) into the search box and hit enter. This will open the search template. Just add another "Or" statement, pick the field name, select an operator, type "[search]" (no quotes) in the value field, and hit ctrl + s to save. The next time you run a search it will use the modified search template. That's all for now. Thanks! - Mike

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Hot to get website/product reviews reflected in Google's search results using review-aggregate format

- by BasP

I am managing a website called Rent A Boat Amsterdam. We have a system that gathers reviews from people that have used our services and that publishes these customer reviews making them available for all website visitors. When these customer reviews are published we have placed them within the appropriate tags according to the guidelines set by Google, which you can find here. An example looks like this: <li class="" style="clear:both;"> <div class="hreview"> <div class="item" style="display:none;"><span class="fn">Boatname</span></div> <div style="border:1px solid #DEDEDE; background-color:#D9FFD4; margin:0 10px 10px 0; float:left; text-align:center; padding:10px; height:50px; width:70px;"><h1><span class="rating">10</span></h1>9-Jun-2010</div> <div> <div class="description"><p>Great canal Cruise!</p></div> <p class="reviewer vcard"><strong><span class="fn">First name Last name</span></strong></p> </div> </div> We have implemented these tags a couple of months ago, but there are no visible results in the Google SERP's. This whilst I had expected to find the reviews / ratings displayed similar to: Is anyone familiar with this topic and able to help me find the answer to the question why the review-aggregate format doesn't seem to have the desired effect?

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What could be my path? Networking, programming, or something else?

- by momong

Well first and foremost, I would like to give my brief description: I was an aviation student but I didn't pursue that path because I lost my interest. Now I'm an I.T. student and currently stopped schooling because of confusion. I don't know which path I should choose: could it be programming or networking? Someone told me that on networking the money is easy, the job is easy. Others told me that programming is best suited for me because I'm very skilled and excellent at figures. I want to chose networking, but I can't find my passion for it, my mind tells me but my heart doesn't... and on programming, I don't know which language I should pick or if I like it or not. A good mentor, even if only online, would be a very big plus to me, but I don't think if there are many who could spent their time on teaching a nobody... but I'm very eager to learn. My real passion is gaming! I want to work in the gaming industry, I want to be a man behind those games! I've been a gamer freak since birth. But I don't know how to get in to that industry. I don't know what to do. I don't know which path would really suit me. Sorry if some of you find this a pointless question, but please bear with me, this could be the turn of my life.

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Speaking at MK Code Camp 2012

- by hajan

This year same as the previous one, Macedonian .NET User Group is organizing the biggest event for developers and coders, event that is focusing on Microsoft technologies, Macedonian CODE CAMP 2012! The Code Camp 2012 will be held at 24th of November at FON University. In the first few hours we have more than 500 registered attendees and the number is increasing rapidly! At this year’s Code Camp, I will be speaking on topic “Modern Web Development Principles”, an interesting topic that will focus mainly on updating all the developer with the latest development trends. Here is the whole session description: “Through lot of code and demonstrations, this presentation aims to update you with the latest web development trends by clearly showing what has changed in web development today comparing with the previous years, what are the newest trends and how you can leverage the Microsoft ASP.NET platform together with all client-side centric development libraries to build the next generation of web apps following the standards and the modern web development principles. This is session for everyone who is involved into Web development in this way or another!” Quick links for those who want to learn more about this event: Code Camp 2012 Sessions (25 Sessions) Code Camp 2012 Speakers (More than 25 Speakers, 5 Microsoft MVPs, 1 MSFT, Many known Experts) Registration Link If you are somewhere around and interested to join the event, you are welcome! Hajan

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Integrating different branches from external sources into a single Mercurial repository

- by dukeofgaming

I'm currently working in a company using Perforce and am making way for distributed version control with Mercurial. I've had success importing Perforce history using the perfarce (quite a suitable name, I laugh every time I see/say it) however, this only works with a single branch at a time. Here's how my P4 integration setup works: In perforce, create a "client", which is kind of a description of what you will be constantly updating/checking-out. This can only address one branch at a time (trunk or other). Once you do this, run hg clone p4://<server>/<client_name> Go to .hg/hgrc and put the perforce path line: perforce = p4://<server>/<client_name> Work normally with the code under mercurial, do hg pull perforce to sync up, hg push to export a changelist What I'd like to be able to do is have a perforce path per branch and have everything work in the same repository. Now, pushing is not a problem, however, if I pull the history from another branch it would end up at the default branch. I'd like to be able to do something like hg pull perforce-R5 and have it land in mercurial's R5 branch. Even if I have no merging history, it would be sweet enough to be able to preserve it. There are also other plugins for CVCSs that let you integrate mercurial, but AFAIK the subversion one has the same problem. I don't think there is a straight-through way of doing this, but as long as I could automate the process with some hooks and scripts in a single Mercurial machine, that would be good enough.

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How to list all my packages from command line which can show package name, license, source url, etc?

- by YumYumYum

How to get all the installed package list with there license, source url? Such as following only shows name of the package only. $ dpkg --get-selections acpi-support install acpid install adduser install adium-theme-ubuntu install aisleriot install alacarte install For example in Fedora/CentOS (RED HAT LINUX BRANCH), you can see that: $ yum info busybox Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit Available Packages Name : busybox Arch : i686 Epoch : 1 Version : 1.18.2 Release : 5.fc15 Size : 615 k Repo : updates Summary : Statically linked binary providing simplified versions of system commands URL : http://www.busybox.net License : GPLv2 Description : Busybox is a single binary which includes versions of a large number : of system commands, including a shell. This package can be very : useful for recovering from certain types of system failures, : particularly those involving broken shared libraries. Follow up: /var/lib/apt/lists$ ls extras.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages extras.ubuntu.com_ubuntu_dists_natty_main_source_Sources extras.ubuntu.com_ubuntu_dists_natty_Release extras.ubuntu.com_ubuntu_dists_natty_Release.gpg lock partial security.ubuntu.com_ubuntu_dists_natty-security_main_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_main_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_multiverse_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_multiverse_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_Release security.ubuntu.com_ubuntu_dists_natty-security_Release.gpg security.ubuntu.com_ubuntu_dists_natty-security_restricted_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_restricted_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_universe_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_universe_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_main_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_multiverse_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_multiverse_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_Release us.archive.ubuntu.com_ubuntu_dists_natty_Release.gpg us.archive.ubuntu.com_ubuntu_dists_natty_restricted_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_restricted_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_universe_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_universe_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_main_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_main_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_multiverse_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_multiverse_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_Release us.archive.ubuntu.com_ubuntu_dists_natty-updates_Release.gpg us.archive.ubuntu.com_ubuntu_dists_natty-updates_restricted_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_restricted_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_universe_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_universe_source_Sources

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Encrypting a non-linux partition with LUKS.

- by linuxn00b

I have a non-Linux partition I want to encrypt with LUKS. The goal is to be able to store it by itself on a device without Linux and access it from the device when needed with an Ubuntu Live CD. I know LUKS can't encrypt partitions in place, so I created another, unformatted partition of the EXACT same size (using GParted's "Round to MiB" option) and ran this command: sudo cryptsetup luksFormat /dev/xxx Where xxx is the partition's device name. Then I typed in my new passphrase and confirmed it. Oddly, the command exited immediately after, so I guess it doesn't encrypt the entire partition right away? Anyway, then I ran this command: sudo cryptsetup luksOpen /dev/xxx xxx Then I tried copying the contents of the existing partition (call it yyy) to the encrypted one like this: sudo dd if=/dev/yyy of=/dev/mapper/xxx bs=1MB and it ran for a while, but exited with this: dd: writing `/dev/mapper/xxx': No space left on device just before writing the last MB. I take this to mean the contents of yyy was truncated when it was copied to xxx, because I have dd'd it before, and whenever I have dd'd to a partition of the exact same size, I never get that error. (and fdisk reports they are the same size in blocks). After a little Googling I discovered all luksFormat'ted partitions have a custom header followed by the encrypted contents. So it appears I need to create a partition exactly the size of the old one + however many bytes a LUKS header is. What size should the destination partition be, no. 1, and no. 2, am I even on the right track here? UPDATE I found this in the LUKS FAQ: I think this is overly complicated. Is there an alternative? Yes, you can use plain dm-crypt. It does not allow multiple passphrases, but on the plus side, it has zero on disk description and if you overwrite some part of a plain dm-crypt partition, exactly the overwritten parts are lost (rounded up to sector borders). So perhaps I shouldn't be using LUKS at all?

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New training on Power Pivot with recorded video courses

- by Marco Russo (SQLBI)

I and Alberto Ferrari started delivering training on Power Pivot in 2010, initially in classrooms and then also online. We also recorded videos for Project Botticelli, where you can find content about Microsoft tools and services for Business Intelligence. In the last months, we produced a recorded video course for people that want to learn Power Pivot without attending a scheduled course. We split the entire Power Pivot course training in three editions, offering at a lower price the more introductive modules: Beginner: introduces Power Pivot to any user who knows Excel and want to create reports with more complex and large data structures than a single table. Intermediate: improves skills on Power Pivot for Excel, introducing the DAX language and important features such as CALCULATE and Time Intelligence functions. Advanced: includes a depth coverage of the DAX language, which is required for writing complex calculations, and other advanced features of both Excel and Power Pivot. There are also two bundles, that includes two or three editions at a lower price. Most important, we have a special 40% launch discount on all published video courses using the coupon SQLBI-FRNDS-14 valid until August 31, 2014. Just follow the link to see a more complete description of the editions available and their discounted prices. Regular prices start at $29, which means that you can start a training with less than $18 using the special promotion. P.S.: we recently launched a new responsive version of the SQLBI web site, and now we also have a page dedicated to all videos available about our sessions in conferences around the world. You can find more than 30 hours of free videos here: http://www.sqlbi.com/tv.

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Manage ClickOnce releases for different parties

- by Dirk Beckmann

I'm struggling with release management of a piece of software. First some general information: It is a ClickOnce application I follow the release often practice There are about 30 parties served with this software I need full control which update will be delivered to which party Not each party is allowed to get the latest update/release Each party has multiple clients that are all allowed to get the latest update, served for the specific party So that's what my requirements are in a rough description. So let me explain what I was thinking about how to solve this. I would like to create a "deployment" website (asp.net) that will handle all the requests There are two endpoints one for download the client and one where the client checks for updates So each party has a separate endpoint like DeploymentSite/party1 and another for DeploymentSite/party2 The Application Files should still be stored centralized So I thought it would be manageable with mage.exe with the following steps Build application and store new release into Application Files Repository/Folder Get parties that should be updated (config file, database what ever) Run mage.exe to create a new application and deployment manifest for each party in the update list with new Application File Location (1.0.2) Actually I'm really struggling with this mage.exe staff. I can't create the appropriate files with the needed codebase. How to handle thes requirements?

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WPA2 authentication fails on Ubuntu 12.04 using Rosewill RNX-N1

- by user94156

Decided to reduce the clutter in the house and replace a wired connection with a wireless one on my wife's system using USB network device Rosewill RNX-X1. I can see and connect to unprotected network, but WPA2 authentication repeatedly fails. RNX-X1 works on other systems (including TV); also have 2 of 'em and tried each. Worth noting that I recently switched from Comcast to CenturyLink and so switched routers. The system connected successfully to previous router (Linksys EA4500) using WPA2. Would think it is the router (Actiontec C1000A) but all other devices (TV, iPad, Windows, Blackberry, and Squeezebox) connect ok. Would appreciate some diagnostic guidance and insight (phrased for a newbie!) Tests to date: sudo lshw -class network *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 01 serial: 00:e0:4d:30:40:a1 size: 10Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=N/A latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:47 ioport:ac00(size=256) memory:fdcff000-fdcfffff memory:fdb00000-fdb1ffff *-network description: Wireless interface physical id: 1 bus info: usb@1:2 logical name: wlan1 serial: 00:02:6f:bd:30:a0 capabilities: ethernet physical wireless configuration: broadcast=yes driver=rt2800usb driverversion=3.2.0-31-generic firmware=0.29 link=no multicast=yes wireless=IEEE 802.11bgn sudo lspci -v 00:00.0 RAM memory: NVIDIA Corporation MCP67 Memory Controller (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 Capabilities: [44] HyperTransport: Slave or Primary Interface Capabilities: [dc] HyperTransport: MSI Mapping Enable+ Fixed- 00:01.0 ISA bridge: NVIDIA Corporation MCP67 ISA Bridge (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 00:01.1 SMBus: NVIDIA Corporation MCP67 SMBus (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: 66MHz, fast devsel, IRQ 11 I/O ports at fc00 [size=64] I/O ports at 1c00 [size=64] I/O ports at 1c40 [size=64] Capabilities: [44] Power Management version 2 Kernel driver in use: nForce2_smbus Kernel modules: i2c-nforce2 00:01.2 RAM memory: NVIDIA Corporation MCP67 Memory Controller (rev a2) Flags: 66MHz, fast devsel 00:02.0 USB controller: NVIDIA Corporation MCP67 OHCI USB 1.1 Controller (rev a2) (prog-if 10 [OHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23 Memory at fe02f000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: ohci_hcd 00:02.1 USB controller: NVIDIA Corporation MCP67 EHCI USB 2.0 Controller (rev a2) (prog-if 20 [EHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22 Memory at fe02e000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port: BAR=1 offset=0098 Capabilities: [80] Power Management version 2 Kernel driver in use: ehci_hcd 00:04.0 USB controller: NVIDIA Corporation MCP67 OHCI USB 1.1 Controller (rev a2) (prog-if 10 [OHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21 Memory at fe02d000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: ohci_hcd 00:04.1 USB controller: NVIDIA Corporation MCP67 EHCI USB 2.0 Controller (rev a2) (prog-if 20 [EHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 20 Memory at fe02c000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port: BAR=1 offset=0098 Capabilities: [80] Power Management version 2 Kernel driver in use: ehci_hcd 00:06.0 IDE interface: NVIDIA Corporation MCP67 IDE Controller (rev a1) (prog-if 8a [Master SecP PriP]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8] [virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1] [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8] [virtual] Memory at 00000370 (type 3, non-prefetchable) [size=1] I/O ports at f000 [size=16] Capabilities: [44] Power Management version 2 Kernel driver in use: pata_amd Kernel modules: pata_amd 00:07.0 Audio device: NVIDIA Corporation MCP67 High Definition Audio (rev a1) Subsystem: Biostar Microtech Int'l Corp Device 820c Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22 Memory at fe024000 (32-bit, non-prefetchable) [size=16K] Capabilities: [44] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [6c] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:08.0 PCI bridge: NVIDIA Corporation MCP67 PCI Bridge (rev a2) (prog-if 01 [Subtractive decode]) Flags: bus master, 66MHz, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=32 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: fdf00000-fdffffff Prefetchable memory behind bridge: fd000000-fd0fffff Capabilities: [b8] Subsystem: NVIDIA Corporation Device cb84 Capabilities: [8c] HyperTransport: MSI Mapping Enable- Fixed- 00:09.0 IDE interface: NVIDIA Corporation MCP67 AHCI Controller (rev a2) (prog-if 85 [Master SecO PriO]) Subsystem: Biostar Microtech Int'l Corp Device 5407 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23 I/O ports at 09f0 [size=8] I/O ports at 0bf0 [size=4] I/O ports at 0970 [size=8] I/O ports at 0b70 [size=4] I/O ports at dc00 [size=16] Memory at fe02a000 (32-bit, non-prefetchable) [size=8K] Capabilities: [44] Power Management version 2 Capabilities: [8c] SATA HBA v1.0 Capabilities: [b0] MSI: Enable- Count=1/8 Maskable- 64bit+ Capabilities: [cc] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: ahci 00:0b.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 0000b000-0000bfff Memory behind bridge: fde00000-fdefffff Prefetchable memory behind bridge: 00000000fdd00000-00000000fddfffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0c.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000a000-0000afff Memory behind bridge: fdc00000-fdcfffff Prefetchable memory behind bridge: 00000000fdb00000-00000000fdbfffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0d.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=04, subordinate=04, sec-latency=0 I/O behind bridge: 00009000-00009fff Memory behind bridge: fda00000-fdafffff Prefetchable memory behind bridge: 00000000fd900000-00000000fd9fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0e.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=05, subordinate=05, sec-latency=0 I/O behind bridge: 00008000-00008fff Memory behind bridge: fd800000-fd8fffff Prefetchable memory behind bridge: 00000000fd700000-00000000fd7fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0f.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=06, subordinate=06, sec-latency=0 I/O behind bridge: 00007000-00007fff Memory behind bridge: fd600000-fd6fffff Prefetchable memory behind bridge: 00000000fd500000-00000000fd5fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:10.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=07, subordinate=07, sec-latency=0 I/O behind bridge: 00006000-00006fff Memory behind bridge: fd400000-fd4fffff Prefetchable memory behind bridge: 00000000fd300000-00000000fd3fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:11.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=08, subordinate=08, sec-latency=0 I/O behind bridge: 00005000-00005fff Memory behind bridge: fd200000-fd2fffff Prefetchable memory behind bridge: 00000000fd100000-00000000fd1fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:12.0 VGA compatible controller: NVIDIA Corporation C68 [GeForce 7050 PV / nForce 630a] (rev a2) (prog-if 00 [VGA controller]) Subsystem: Biostar Microtech Int'l Corp Device 1406 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21 Memory at fb000000 (32-bit, non-prefetchable) [size=16M] Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at fc000000 (64-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at 80000000 [disabled] [size=128K] Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Kernel driver in use: nvidia Kernel modules: nvidia_current, nouveau, nvidiafb 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration Flags: fast devsel Capabilities: [80] HyperTransport: Host or Secondary Interface 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map Flags: fast devsel 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller Flags: fast devsel 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control Flags: fast devsel Capabilities: [f0] Secure device <?> Kernel driver in use: k8temp Kernel modules: k8temp 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: Biostar Microtech Int'l Corp Device 2305 Flags: bus master, fast devsel, latency 0, IRQ 47 I/O ports at ac00 [size=256] Memory at fdcff000 (64-bit, non-prefetchable) [size=4K] [virtual] Expansion ROM at fdb00000 [disabled] [size=128K] Capabilities: [40] Power Management version 2 Capabilities: [48] Vital Product Data Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] Express Endpoint, MSI 00 Capabilities: [84] Vendor Specific Information: Len=4c <?> Capabilities: [100] Advanced Error Reporting Capabilities: [12c] Virtual Channel Capabilities: [148] Device Serial Number 32-00-00-00-10-ec-81-68 Capabilities: [154] Power Budgeting <?> Kernel driver in use: r8169 Kernel modules: r8169 sudo rfkill list all 2: phy2: Wireless LAN Soft blocked: no Hard blocked: no

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Can't add to panel nor delete panel

- by david

Hello everybody! I cannot add any applet to any (top or bottom) panel, cannot delete any panel nor create a new panel. When I right-click on the panel the only options available are: Properties, Help or About panels. [I cannot post an image because of spam prevention, so I'll do my best] I can see when I right-click (bold means clickable): Add to panel Properties Delete this panel New panel Help About Panels Trying to solve this I did what is usually suggested: gconftool-2 –-recursive-unset /apps/panel # might be optional rm -rf ~/.gconf/apps/panel pkill gnome-panel but I only got a nice empty panel (no Applications Places System, no clock, no shutdown button...) to which I couldn't add any applet, so I decided to take the default profiles in .gconf and .gconfd from a live CD and overwrite mines. Now we are back to the beginning. I also have tried to lock completely the panel (with both gconf-editor and pessulus) and later unlock it completely but it didn't work. Here is the system information: $ lsb_release Distributor ID: Ubuntu Description: Ubuntu 10.04.2 LTS Release: 10.04 Codename: lucid Thank you very much.

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Enabling XML-documentation for code contracts

- by DigiMortal

One nice feature that code contracts offer is updating of code documentation. If you are using source code documenting features of Visual Studio then code contracts may automate some tasks you otherwise have to implement manually. In this posting I will show you some XML documentation files with documented contracts. I will also explain how this feature works. Enabling XML-documentation in project settings As a first thing let’s enable generating of code documentation under project settings. Open project properties, move to Build page and make check to checkbox called “XML documentation file”. Save project settings and rebuild project. When project is built go to bin/Debug folder and open the XML-file. Here is my XML. <?xml version="1.0"?> <doc> <assembly> <name>Eneta.Examples.CodeContracts.Testable</name> </assembly> <members> <member name="T:Eneta.Examples.CodeContracts.Testable.Randomizer"> <summary> Class for generating random integers in user specified range. </summary> </member> <member name="M:Eneta.Examples.CodeContracts.Testable.Randomizer.#ctor(Eneta.Examples.CodeContracts.Testable.IRandomGenerator)"> <summary> Constructor of Randomizer. Initializes Randomizer class. </summary> <param name="generator">Instance of random number generator.</param> </member> <member name="M:Eneta.Examples.CodeContracts.Testable.Randomizer.GetRandomFromRangeContracted(System.Int32,System.Int32)"> <summary> Returns random integer in given range. </summary> <param name="min">Minimum value of random integer.</param> <param name="max">Maximum value of random integer.</param> </member> </members> </doc> You can see nothing about code contracts here. Enabling code contracts documentation Code contracts have their own settings and conditions for documentation. Open project properties and move to Code Contracts tab. From “Contract Reference Assembly” dropdown check Build and make check to checkbox “Emit contracts into XML doc file”. And again – save project setting, build the project and move to bin/Debug folder. Now you can see that there are two files for XML-documentation: <assembly name>.XML <assembly name>.old.XML First files is documentation with contracts, second file is original documentation without contracts. Let’s see now what is inside our new XML-documentation file. <?xml version="1.0"?> <doc> <assembly> <name>Eneta.Examples.CodeContracts.Testable</name> </assembly> <members> <member name="T:Eneta.Examples.CodeContracts.Testable.Randomizer"> <summary> Class for generating random integers in user specified range. </summary> </member> <member name="M:Eneta.Examples.CodeContracts.Testable.Randomizer.#ctor(Eneta.Examples.CodeContracts.Testable.IRandomGenerator)"> <summary> Constructor of Randomizer. Initializes Randomizer class. </summary> <param name="generator">Instance of random number generator.</param> </member> <member name="M:Eneta.Examples.CodeContracts.Testable.Randomizer.GetRandomFromRangeContracted(System.Int32,System.Int32)"> <summary> Returns random integer in given range. </summary> <param name="min">Minimum value of random integer.</param> <param name="max">Maximum value of random integer.</param> <requires description="Min must be less than max" exception="T:System.ArgumentOutOfRangeException"> min < max</requires> <exception cref="T:System.ArgumentOutOfRangeException"> min >= max</exception> <ensures description="Return value is out of range"> Contract.Result<int>() >= min && Contract.Result<int>() <= max</ensures> </member> </members> </doc> As you can see then code contracts are pretty well documented. Messages that I provided with code contracts are also available in documentation. If I wrote very good and informative messages then these messages are very useful also in contracts documentation. Code contracts and Sandcastle Sandcastle knows nothing about code contracts by default. There is separate package of file for Sandcastle that is provided you by code contracts installation. You can read from code contracts manual: “Sandcastle (http://www.codeplex.com/Sandcastle) is a freely available tool that generates help les and web sites describing your APIs, based on the XML doc comments in your source code. The CodeContracts install contains a set of les that can be copied over a Sandcastle installation to take advantage of the additional contract information. The produced documentation adds a contract section to methods with declared requires and/or ensures. In order for Sandcastle to produce Contract sections, you need to patch a number of files in its installation. Please refer to the Sandcastle Readme.txt found under Start Menu/CodeContracts/Sandcastle for instructions. A future release of Sandcastle will hopefully support contract sections without the need for this patching step.” Integrating code contracts documentation to Sandcastle will be one of my next postings about code contracts. Conclusion if you are using code documentation then documentation about code contracts can be added to documentation very easily. All you have to do is to enable XML-documentation for contracts and build your project. Later you can use Sandcastle files provided by code contracts installer to integrate contracts documentation to your output documentation package.

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What is the kd tree intersection logic?

- by bobobobo

I'm trying to figure out how to implement a KD tree. On page 322 of "Real time collision detection" by Ericson The text section is included below in case Google book preview doesn't let you see it the time you click the link text section Relevant section: The basic idea behind intersecting a ray or directed line segment with a k-d tree is straightforward. The line is intersected against the node's splitting plane, and the t value of intersection is computed. If t is within the interval of the line, 0 <= t <= tmax, the line straddles the plane and both children of the tree are recursively descended. If not, only the side containing the segment origin is recursively visited. So here's what I have: (open image in new tab if you can't see the lettering) The logical tree Here the orange ray is going thru the 3d scene. The x's represent intersection with a plane. From the LEFT, the ray hits: The front face of the scene's enclosing cube, The (1) splitting plane The (2.2) splitting plane The right side of the scene's enclosing cube But here's what would happen, naively following Ericson's basic description above: Test against splitting plane (1). Ray hits splitting plane (1), so left and right children of splitting plane (1) are included in next test. Test against splitting plane (2.1). Ray actually hits that plane, (way off to the right) so both children are included in next level of tests. (This is counter-intuitive - shouldn't only the bottom node be included in subsequent tests) Can some one describe what happens when the orange ray goes through the scene correctly?

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Clusterware 11gR2 – Setting up an Active/Passive failover configuration

- by Gilles Haro

Oracle is providing a large range of interesting solutions to ensure High Availability of the database. Dataguard, RAC or even both configurations (as recommended by Oracle for a Maximum Available Architecture - MAA) are the most frequently found and used solutions. But, when it comes to protecting a system with an Active/Passive architecture with failover capabilities, people often thinks to other expensive third party cluster systems. Oracle Clusterware technology, which comes along at no extra-cost with Oracle Database or Oracle Unbreakable Linux, is - in the knowing of most people - often linked to Oracle RAC and therefore, is seldom used to implement failover solutions. Oracle Clusterware 11gR2 (a part of Oracle 11gR2 Grid Infrastructure) provides a comprehensive framework to setup automatic failover configurations. It is actually possible to make "failover-able'", and then to protect, almost any kind of application (from the simple xclock to the most complex Application Server). Quoting Oracle: “Oracle Clusterware is a portable cluster software that allows clustering of single servers so that they cooperate as a single system. Oracle Clusterware also provides the required infrastructure for Oracle Real Application Clusters (RAC). In addition Oracle Clusterware enables the protection of any Oracle application or any other kind of application within a cluster.” In the next couple of lines, I will try to present the different steps to achieve this goal : Have a fully operational 11gR2 database protected by automatic failover capabilities. I assume you are fluent in installing Oracle Database 11gR2, Oracle Grid Infrastructure 11gR2 on a Linux system and that ASM is not a problem for you (as I am using it as a shared storage). If not, please have a look at Oracle Documentation. As often, I made my tests using an Oracle VirtualBox environment. The scripts are tested and functional on my system. Unfortunately, there can always be a typo or a mistake. This blog entry does not replace a course around the Clusterware Framework. I just hope it will let you see how powerful it is and that it will give you the whilst to go further with it... Note : This entry has been revised (rev.2) following comments from Philip Newlan. Prerequisite 2 Linux boxes (OELCluster01 and OELCluster02) at the same OS level. I used OEL 5 Update 5 with an Enterprise Kernel. Shared Storage (SAN). On my VirtualBox system, I used Openfiler to simulate the SAN Oracle 11gR2 Database (11.2.0.1) Oracle 11gR2 Grid Infrastructure (11.2.0.1) Step 1 - Install the software Using asmlib, create 3 ASM disks (ASM_CRS, ASM_DTA and ASM_FRA) Install Grid Infrastructure for a cluster (OELCluster01 and OELCluster02 are the 2 nodes of the cluster) Use ASM_CRS to store Voting Disk and OCR. Use SCAN. Install Oracle Database Standalone binaries on both nodes. Use asmca to check/mount the disk groups on 2 nodes Use dbca to create and configure a database on the primary node Let's name it DB11G. Copy the pfile, password file to the second node. Create adump directoty on the second node. Step 2 - Setup the resource to be protected After its creation with dbca, the database is automatically protected by the Oracle Restart technology available with Grid Infrastructure. Consequently, it restarts automatically (if possible) after a crash (ex: kill -9 smon). A database resource has been created for that in the Cluster Registry. We can observe this with the command : crsctl status resource that shows and ora.dba11g.db entry. Let's save the definition of this resource, for future use : mkdir -p /crs/11.2.0/HA_scripts chown oracle:oinstall /crs/11.2.0/HA_scripts crsctl status resource ora.db11g.db -p > /crs/11.2.0/HA_scripts/myResource.txt Although very interesting, Oracle Restart is not cluster aware and cannot restart the database on any other node of the cluster. So, let's remove it from the OCR definitions, we don't need it ! srvctl stop database -d DB11G srvctl remove database -d DB11G Instead of it, we need to create a new resource of a more general type : cluster_resource. Here are the steps to achieve this : Create an action script : /crs/11.2.0/HA_scripts/my_ActivePassive_Cluster.sh #!/bin/bash export ORACLE_HOME=/oracle/product/11.2.0/dbhome_1 export ORACLE_SID=DB11G case $1 in 'start') $ORACLE_HOME/bin/sqlplus /nolog <<EOF connect / as sysdba startup EOF RET=0 ;; 'stop') $ORACLE_HOME/bin/sqlplus /nolog <<EOF connect / as sysdba shutdown immediate EOF RET=0 ;; 'clean') $ORACLE_HOME/bin/sqlplus /nolog <<EOF connect / as sysdba shutdown abort ##for i in `ps -ef | grep -i $ORACLE_SID | awk '{print $2}' ` ;do kill -9 $i; done EOF RET=0 ;; 'check') ok=`ps -ef | grep smon | grep $ORACLE_SID | wc -l` if [ $ok = 0 ]; then RET=1 else RET=0 fi ;; '*') RET=0 ;; esac if [ $RET -eq 0 ]; then exit 0 else exit 1 fi This script must provide, at least, methods to start, stop, clean and check the database. It is self-explaining and contains nothing special. Just be aware that it must be runnable (+x), it runs as Oracle user (because of the ACL property - see later) and needs to know about the environment. Also make sure it exists on every node of the cluster. Moreover, as of 11.2, the clean method is mandatory. It must provide the “last gasp clean up”, for example, a shutdown abort or a kill –9 of all the remaining processes. chmod +x /crs/11.2.0/HA_scripts/my_ActivePassive_Cluster.sh scp /crs/11.2.0/HA_scripts/my_ActivePassive_Cluster.sh oracle@OELCluster02:/crs/11.2.0/HA_scripts Create a new resource file, based on the information we got from previous myResource.txt . Name it myNewResource.txt. myResource.txt is shown below. As we can see, it defines an ora.database.type resource, named ora.db11g.db. A lot of properties are related to this type of resource and do not need to be used for a cluster_resource. NAME=ora.db11g.db TYPE=ora.database.type ACL=owner:oracle:rwx,pgrp:oinstall:rwx,other::r-- ACTION_FAILURE_TEMPLATE= ACTION_SCRIPT= ACTIVE_PLACEMENT=1 AGENT_FILENAME=%CRS_HOME%/bin/oraagent%CRS_EXE_SUFFIX% AUTO_START=restore CARDINALITY=1 CHECK_INTERVAL=1 CHECK_TIMEOUT=600 CLUSTER_DATABASE=false DB_UNIQUE_NAME=DB11G DEFAULT_TEMPLATE=PROPERTY(RESOURCE_CLASS=database) PROPERTY(DB_UNIQUE_NAME= CONCAT(PARSE(%NAME%, ., 2), %USR_ORA_DOMAIN%, .)) ELEMENT(INSTANCE_NAME= %GEN_USR_ORA_INST_NAME%) DEGREE=1 DESCRIPTION=Oracle Database resource ENABLED=1 FAILOVER_DELAY=0 FAILURE_INTERVAL=60 FAILURE_THRESHOLD=1 GEN_AUDIT_FILE_DEST=/oracle/admin/DB11G/adump GEN_USR_ORA_INST_NAME= GEN_USR_ORA_INST_NAME@SERVERNAME(oelcluster01)=DB11G HOSTING_MEMBERS= INSTANCE_FAILOVER=0 LOAD=1 LOGGING_LEVEL=1 MANAGEMENT_POLICY=AUTOMATIC NLS_LANG= NOT_RESTARTING_TEMPLATE= OFFLINE_CHECK_INTERVAL=0 ORACLE_HOME=/oracle/product/11.2.0/dbhome_1 PLACEMENT=restricted PROFILE_CHANGE_TEMPLATE= RESTART_ATTEMPTS=2 ROLE=PRIMARY SCRIPT_TIMEOUT=60 SERVER_POOLS=ora.DB11G SPFILE=+DTA/DB11G/spfileDB11G.ora START_DEPENDENCIES=hard(ora.DTA.dg,ora.FRA.dg) weak(type:ora.listener.type,uniform:ora.ons,uniform:ora.eons) pullup(ora.DTA.dg,ora.FRA.dg) START_TIMEOUT=600 STATE_CHANGE_TEMPLATE= STOP_DEPENDENCIES=hard(intermediate:ora.asm,shutdown:ora.DTA.dg,shutdown:ora.FRA.dg) STOP_TIMEOUT=600 UPTIME_THRESHOLD=1h USR_ORA_DB_NAME=DB11G USR_ORA_DOMAIN=haroland USR_ORA_ENV= USR_ORA_FLAGS= USR_ORA_INST_NAME=DB11G USR_ORA_OPEN_MODE=open USR_ORA_OPI=false USR_ORA_STOP_MODE=immediate VERSION=11.2.0.1.0 I removed database type related entries from myResource.txt and modified some other to produce the following myNewResource.txt. Notice the NAME property that should not have the ora. prefix Notice the TYPE property that is not ora.database.type but cluster_resource. Notice the definition of ACTION_SCRIPT. Notice the HOSTING_MEMBERS that enumerates the members of the cluster (as returned by the olsnodes command). NAME=DB11G.db TYPE=cluster_resource DESCRIPTION=Oracle Database resource ACL=owner:oracle:rwx,pgrp:oinstall:rwx,other::r-- ACTION_SCRIPT=/crs/11.2.0/HA_scripts/my_ActivePassive_Cluster.sh PLACEMENT=restricted ACTIVE_PLACEMENT=0 AUTO_START=restore CARDINALITY=1 CHECK_INTERVAL=10 DEGREE=1 ENABLED=1 HOSTING_MEMBERS=oelcluster01 oelcluster02 LOGGING_LEVEL=1 RESTART_ATTEMPTS=1 START_DEPENDENCIES=hard(ora.DTA.dg,ora.FRA.dg) weak(type:ora.listener.type,uniform:ora.ons,uniform:ora.eons) pullup(ora.DTA.dg,ora.FRA.dg) START_TIMEOUT=600 STOP_DEPENDENCIES=hard(intermediate:ora.asm,shutdown:ora.DTA.dg,shutdown:ora.FRA.dg) STOP_TIMEOUT=600 UPTIME_THRESHOLD=1h Register the resource. Take care of the resource type. It needs to be a cluster_resource and not a ora.database.type resource (Oracle recommendation) . crsctl add resource DB11G.db -type cluster_resource -file /crs/11.2.0/HA_scripts/myNewResource.txt Step 3 - Start the resource crsctl start resource DB11G.db This command launches the ACTION_SCRIPT with a start and a check parameter on the primary node of the cluster. Step 4 - Test this We will test the setup using 2 methods. crsctl relocate resource DB11G.db This command calls the ACTION_SCRIPT (on the two nodes) to stop the database on the active node and start it on the other node. Once done, we can revert back to the original node, but, this time we can use a more "MS$ like" method :Turn off the server on which the database is running. After short delay, you should observe that the database is relocated on node 1. Conclusion Once the software installed and the standalone database created (which is a rather common and usual task), the steps to reach the objective are quite easy : Create an executable action script on every node of the cluster. Create a resource file. Create/Register the resource with OCR using the resource file. Start the resource. This solution is a very interesting alternative to licensable third party solutions. References Clusterware 11gR2 documentation Oracle Clusterware Resource Reference Clusterware for Unbreakable Linux Using Oracle Clusterware to Protect A Single Instance Oracle Database 11gR1 (to have an idea of complexity) Oracle Clusterware on OTN Gilles Haro Technical Expert - Core Technology, Oracle Consulting

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BizTalk 2009 - Pipeline Component Wizard Error

- by Stuart Brierley

When attempting to run the BizTalk Server Pipeline Component Wizard for the first time I encountered an error that prevented the creation of the pipeline component project: System.ArgumentException : Value does not fall withing the expected range I found the solution for this error in a couple of places, first a reference to the issue on the Codeplex Project and then a fuller description on a blog referring to the BizTalk 2006 implementation. To resolve this issue you need to make a change to the downloaded wizard solution code, by changing the file BizTalkPipelineComponentWizard.cs around line 304 From // get a handle to the project. using mySolution will not work. pipelineComponentProject = this._Application.Solution.Projects.Item(Path.Combine(Path.GetFileNameWithoutExtension(projectFileName), projectFileName)); To // get a handle to the project. using mySolution will not work. if (this._Application.Solution.Projects.Count == 1) pipelineComponentProject = this._Application.Solution.Projects.Item(1); else { // In Doubt: Which project is the target? pipelineComponentProject = this._Application.Solution.Projects.Item(projectFileName); } Following this you need to uninstall the the wizard, rebuild the solution and re-install the wizard again.

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SharePoint 2007 Parser Error after updating master page

- by Kelly Jones

A few weeks ago I was updating the master page for a SharePoint 2007 (WSS) site. The client wanted the site updated to reflect the new look and feel that is being applied to another set of sites in the organization. I created a new theme and master page, which I already wrote about here and here. It worked well, except for a few pages on a subsite. On those pages, I got the following error: Server Error in '/' Application. Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Code blocks are not allowed in this file. I decided to go comb through my new master page and compare it to the existing master page that was already working. After going through them line by line several times, I had no clue what would be causing the error because they were basically the same! It turns out, it was a combination of two things. First, on a few of the pages in the site, there was some include code (basically an <% EVAL()%> snippet). This was the code that was triggering my error “Code blocks are not allowed in this file”. However, this code was working fine with the previous master page. I decided to then try doing a full deployment of the site with the new master page, and it worked fine! Apparently, if the master page is deployed using a Feature, then it is granted permission to allow code blocks, but if you upload pages either using web UI or SharePoint Designer, then the pages won’t be able to use code blocks. I haven’t been able to pin down the rules or official info about this, but I thought others might find it useful anyway.

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Firefox 12's hardware acceleration on Ubuntu 12.04 LTS

- by user64943

After I have installed Ubuntu 12.04 LTS (32 bits), Firefox 12 works fine but without hardware acceleration. Needless to say I have the latest nVidia's proprietary drivers installed and my Firefox Preferences, on "Advanced" tab, "Browsing" section, have the option "Use hardware acceleration when available" checked. I have tried the following things before asking this question: Creating a boolean key "webgl.force-enabled" and set it to true on Firefox's page about:config; Starting a new profile like commented on thread Mozilla Firefox 12 is very slow on Ubuntu 12.04 LTS; I have updated my nVidia driver to version 295.53. And none of this have worked. As you can see below in my Firefox's page about:support report, "Graphics" section shows no "GPU Accelerated Windows": Adapter Description NVIDIA Corporation -- GeForce GTX 460/PCIe/SSE2 Vendor ID NVIDIA Corporation Device ID GeForce GTX 460/PCIe/SSE2 Driver Version 4.2.0 NVIDIA 295.53 WebGL Renderer NVIDIA Corporation -- GeForce GTX 460/PCIe/SSE2 -- 4.2.0 NVIDIA 295.53 GPU Accelerated Windows 0 AzureBackend skia I use the following site to test hardware acceleration: http://ie.microsoft.com/testdrive/Performance/FishBowl/ On Windows 7 I get 60 fps even with 1,750 fishes on browser's Full Screen Mode (1680x1050x32bit-color). On Ubuntu 12.04 LTS, same nVidia drivers (as shown in report), won't go faster than 15 fps with only 1,000 fishes. Can anybody help me? Best Regards,

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