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  • Where is a good open source python project to be used as example? [closed]

    - by Andrea Francia
    I'm looking for a python project to use as example to learning python. The project should have these features: is almost fully unit tested use consistently the code convention recommended by PEP 8 it's elements are almost fully documented Extra point features are: building, assembling, and release automation EDIT: The Question is too generic. I prepared a more specific question about the unit-test part.

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  • Integrating JavaScript Unit Tests with Visual Studio

    - by Stephen Walther
    Modern ASP.NET web applications take full advantage of client-side JavaScript to provide better interactivity and responsiveness. If you are building an ASP.NET application in the right way, you quickly end up with lots and lots of JavaScript code. When writing server code, you should be writing unit tests. One big advantage of unit tests is that they provide you with a safety net that enable you to safely modify your existing code – for example, fix bugs, add new features, and make performance enhancements -- without breaking your existing code. Every time you modify your code, you can execute your unit tests to verify that you have not broken anything. For the same reason that you should write unit tests for your server code, you should write unit tests for your client code. JavaScript is just as susceptible to bugs as C#. There is no shortage of unit testing frameworks for JavaScript. Each of the major JavaScript libraries has its own unit testing framework. For example, jQuery has QUnit, Prototype has UnitTestJS, YUI has YUI Test, and Dojo has Dojo Objective Harness (DOH). The challenge is integrating a JavaScript unit testing framework with Visual Studio. Visual Studio and Visual Studio ALM provide fantastic support for server-side unit tests. You can easily view the results of running your unit tests in the Visual Studio Test Results window. You can set up a check-in policy which requires that all unit tests pass before your source code can be committed to the source code repository. In addition, you can set up Team Build to execute your unit tests automatically. Unfortunately, Visual Studio does not provide “out-of-the-box” support for JavaScript unit tests. MS Test, the unit testing framework included in Visual Studio, does not support JavaScript unit tests. As soon as you leave the server world, you are left on your own. The goal of this blog entry is to describe one approach to integrating JavaScript unit tests with MS Test so that you can execute your JavaScript unit tests side-by-side with your C# unit tests. The goal is to enable you to execute JavaScript unit tests in exactly the same way as server-side unit tests. You can download the source code described by this project by scrolling to the end of this blog entry. Rejected Approach: Browser Launchers One popular approach to executing JavaScript unit tests is to use a browser as a test-driver. When you use a browser as a test-driver, you open up a browser window to execute and view the results of executing your JavaScript unit tests. For example, QUnit – the unit testing framework for jQuery – takes this approach. The following HTML page illustrates how you can use QUnit to create a unit test for a function named addNumbers(). <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>Using QUnit</title> <link rel="stylesheet" href="http://github.com/jquery/qunit/raw/master/qunit/qunit.css" type="text/css" /> </head> <body> <h1 id="qunit-header">QUnit example</h1> <h2 id="qunit-banner"></h2> <div id="qunit-testrunner-toolbar"></div> <h2 id="qunit-userAgent"></h2> <ol id="qunit-tests"></ol> <div id="qunit-fixture">test markup, will be hidden</div> <script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript" src="http://github.com/jquery/qunit/raw/master/qunit/qunit.js"></script> <script type="text/javascript"> // The function to test function addNumbers(a, b) { return a+b; } // The unit test test("Test of addNumbers", function () { equals(4, addNumbers(1,3), "1+3 should be 4"); }); </script> </body> </html> This test verifies that calling addNumbers(1,3) returns the expected value 4. When you open this page in a browser, you can see that this test does, in fact, pass. The idea is that you can quickly refresh this QUnit HTML JavaScript test driver page in your browser whenever you modify your JavaScript code. In other words, you can keep a browser window open and keep refreshing it over and over while you are developing your application. That way, you can know very quickly whenever you have broken your JavaScript code. While easy to setup, there are several big disadvantages to this approach to executing JavaScript unit tests: You must view your JavaScript unit test results in a different location than your server unit test results. The JavaScript unit test results appear in the browser and the server unit test results appear in the Visual Studio Test Results window. Because all of your unit test results don’t appear in a single location, you are more likely to introduce bugs into your code without noticing it. Because your unit tests are not integrated with Visual Studio – in particular, MS Test -- you cannot easily include your JavaScript unit tests when setting up check-in policies or when performing automated builds with Team Build. A more sophisticated approach to using a browser as a test-driver is to automate the web browser. Instead of launching the browser and loading the test code yourself, you use a framework to automate this process. There are several different testing frameworks that support this approach: · Selenium – Selenium is a very powerful framework for automating browser tests. You can create your tests by recording a Firefox session or by writing the test driver code in server code such as C#. You can learn more about Selenium at http://seleniumhq.org/. LTAF – The ASP.NET team uses the Lightweight Test Automation Framework to test JavaScript code in the ASP.NET framework. You can learn more about LTAF by visiting the project home at CodePlex: http://aspnet.codeplex.com/releases/view/35501 jsTestDriver – This framework uses Java to automate the browser. jsTestDriver creates a server which can be used to automate multiple browsers simultaneously. This project is located at http://code.google.com/p/js-test-driver/ TestSwam – This framework, created by John Resig, uses PHP to automate the browser. Like jsTestDriver, the framework creates a test server. You can open multiple browsers that are automated by the test server. Learn more about TestSwarm by visiting the following address: https://github.com/jeresig/testswarm/wiki Yeti – This is the framework introduced by Yahoo for automating browser tests. Yeti uses server-side JavaScript and depends on Node.js. Learn more about Yeti at http://www.yuiblog.com/blog/2010/08/25/introducing-yeti-the-yui-easy-testing-interface/ All of these frameworks are great for integration tests – however, they are not the best frameworks to use for unit tests. In one way or another, all of these frameworks depend on executing tests within the context of a “living and breathing” browser. If you create an ASP.NET Unit Test then Visual Studio will launch a web server before executing the unit test. Why is launching a web server so bad? It is not the worst thing in the world. However, it does introduce dependencies that prevent your code from being tested in isolation. One of the defining features of a unit test -- versus an integration test – is that a unit test tests code in isolation. Another problem with launching a web server when performing unit tests is that launching a web server can be slow. If you cannot execute your unit tests quickly, you are less likely to execute your unit tests each and every time you make a code change. You are much more likely to fall into the pit of failure. Launching a browser when performing a JavaScript unit test has all of the same disadvantages as launching a web server when performing an ASP.NET unit test. Instead of testing a unit of JavaScript code in isolation, you are testing JavaScript code within the context of a particular browser. Using the frameworks listed above for integration tests makes perfect sense. However, I want to consider a different approach for creating unit tests for JavaScript code. Using Server-Side JavaScript for JavaScript Unit Tests A completely different approach to executing JavaScript unit tests is to perform the tests outside of any browser. If you really want to test JavaScript then you should test JavaScript and leave the browser out of the testing process. There are several ways that you can execute JavaScript on the server outside the context of any browser: Rhino – Rhino is an implementation of JavaScript written in Java. The Rhino project is maintained by the Mozilla project. Learn more about Rhino at http://www.mozilla.org/rhino/ V8 – V8 is the open-source Google JavaScript engine written in C++. This is the JavaScript engine used by the Chrome web browser. You can download V8 and embed it in your project by visiting http://code.google.com/p/v8/ JScript – JScript is the JavaScript Script Engine used by Internet Explorer (up to but not including Internet Explorer 9), Windows Script Host, and Active Server Pages. Internet Explorer is still the most popular web browser. Therefore, I decided to focus on using the JScript Script Engine to execute JavaScript unit tests. Using the Microsoft Script Control There are two basic ways that you can pass JavaScript to the JScript Script Engine and execute the code: use the Microsoft Windows Script Interfaces or use the Microsoft Script Control. The difficult and proper way to execute JavaScript using the JScript Script Engine is to use the Microsoft Windows Script Interfaces. You can learn more about the Script Interfaces by visiting http://msdn.microsoft.com/en-us/library/t9d4xf28(VS.85).aspx The main disadvantage of using the Script Interfaces is that they are difficult to use from .NET. There is a great series of articles on using the Script Interfaces from C# located at http://www.drdobbs.com/184406028. I picked the easier alternative and used the Microsoft Script Control. The Microsoft Script Control is an ActiveX control that provides a higher level abstraction over the Window Script Interfaces. You can download the Microsoft Script Control from here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=d7e31492-2595-49e6-8c02-1426fec693ac After you download the Microsoft Script Control, you need to add a reference to it to your project. Select the Visual Studio menu option Project, Add Reference to open the Add Reference dialog. Select the COM tab and add the Microsoft Script Control 1.0. Using the Script Control is easy. You call the Script Control AddCode() method to add JavaScript code to the Script Engine. Next, you call the Script Control Run() method to run a particular JavaScript function. The reference documentation for the Microsoft Script Control is located at the MSDN website: http://msdn.microsoft.com/en-us/library/aa227633%28v=vs.60%29.aspx Creating the JavaScript Code to Test To keep things simple, let’s imagine that you want to test the following JavaScript function named addNumbers() which simply adds two numbers together: MvcApplication1\Scripts\Math.js function addNumbers(a, b) { return 5; } Notice that the addNumbers() method always returns the value 5. Right-now, it will not pass a good unit test. Create this file and save it in your project with the name Math.js in your MVC project’s Scripts folder (Save the file in your actual MVC application and not your MVC test application). Creating the JavaScript Test Helper Class To make it easier to use the Microsoft Script Control in unit tests, we can create a helper class. This class contains two methods: LoadFile() – Loads a JavaScript file. Use this method to load the JavaScript file being tested or the JavaScript file containing the unit tests. ExecuteTest() – Executes the JavaScript code. Use this method to execute a JavaScript unit test. Here’s the code for the JavaScriptTestHelper class: JavaScriptTestHelper.cs   using System; using System.IO; using Microsoft.VisualStudio.TestTools.UnitTesting; using MSScriptControl; namespace MvcApplication1.Tests { public class JavaScriptTestHelper : IDisposable { private ScriptControl _sc; private TestContext _context; /// <summary> /// You need to use this helper with Unit Tests and not /// Basic Unit Tests because you need a Test Context /// </summary> /// <param name="testContext">Unit Test Test Context</param> public JavaScriptTestHelper(TestContext testContext) { if (testContext == null) { throw new ArgumentNullException("TestContext"); } _context = testContext; _sc = new ScriptControl(); _sc.Language = "JScript"; _sc.AllowUI = false; } /// <summary> /// Load the contents of a JavaScript file into the /// Script Engine. /// </summary> /// <param name="path">Path to JavaScript file</param> public void LoadFile(string path) { var fileContents = File.ReadAllText(path); _sc.AddCode(fileContents); } /// <summary> /// Pass the path of the test that you want to execute. /// </summary> /// <param name="testMethodName">JavaScript function name</param> public void ExecuteTest(string testMethodName) { dynamic result = null; try { result = _sc.Run(testMethodName, new object[] { }); } catch { var error = ((IScriptControl)_sc).Error; if (error != null) { var description = error.Description; var line = error.Line; var column = error.Column; var text = error.Text; var source = error.Source; if (_context != null) { var details = String.Format("{0} \r\nLine: {1} Column: {2}", source, line, column); _context.WriteLine(details); } } throw new AssertFailedException(error.Description); } } public void Dispose() { _sc = null; } } }     Notice that the JavaScriptTestHelper class requires a Test Context to be instantiated. For this reason, you can use the JavaScriptTestHelper only with a Visual Studio Unit Test and not a Basic Unit Test (These are two different types of Visual Studio project items). Add the JavaScriptTestHelper file to your MVC test application (for example, MvcApplication1.Tests). Creating the JavaScript Unit Test Next, we need to create the JavaScript unit test function that we will use to test the addNumbers() function. Create a folder in your MVC test project named JavaScriptTests and add the following JavaScript file to this folder: MvcApplication1.Tests\JavaScriptTests\MathTest.js /// <reference path="JavaScriptUnitTestFramework.js"/> function testAddNumbers() { // Act var result = addNumbers(1, 3); // Assert assert.areEqual(4, result, "addNumbers did not return right value!"); }   The testAddNumbers() function takes advantage of another JavaScript library named JavaScriptUnitTestFramework.js. This library contains all of the code necessary to make assertions. Add the following JavaScriptnitTestFramework.js to the same folder as the MathTest.js file: MvcApplication1.Tests\JavaScriptTests\JavaScriptUnitTestFramework.js var assert = { areEqual: function (expected, actual, message) { if (expected !== actual) { throw new Error("Expected value " + expected + " is not equal to " + actual + ". " + message); } } }; There is only one type of assertion supported by this file: the areEqual() assertion. Most likely, you would want to add additional types of assertions to this file to make it easier to write your JavaScript unit tests. Deploying the JavaScript Test Files This step is non-intuitive. When you use Visual Studio to run unit tests, Visual Studio creates a new folder and executes a copy of the files in your project. After you run your unit tests, your Visual Studio Solution will contain a new folder named TestResults that includes a subfolder for each test run. You need to configure Visual Studio to deploy your JavaScript files to the test run folder or Visual Studio won’t be able to find your JavaScript files when you execute your unit tests. You will get an error that looks something like this when you attempt to execute your unit tests: You can configure Visual Studio to deploy your JavaScript files by adding a Test Settings file to your Visual Studio Solution. It is important to understand that you need to add this file to your Visual Studio Solution and not a particular Visual Studio project. Right-click your Solution in the Solution Explorer window and select the menu option Add, New Item. Select the Test Settings item and click the Add button. After you create a Test Settings file for your solution, you can indicate that you want a particular folder to be deployed whenever you perform a test run. Select the menu option Test, Edit Test Settings to edit your test configuration file. Select the Deployment tab and select your MVC test project’s JavaScriptTest folder to deploy. Click the Apply button and the Close button to save the changes and close the dialog. Creating the Visual Studio Unit Test The very last step is to create the Visual Studio unit test (the MS Test unit test). Add a new unit test to your MVC test project by selecting the menu option Add New Item and selecting the Unit Test project item (Do not select the Basic Unit Test project item): The difference between a Basic Unit Test and a Unit Test is that a Unit Test includes a Test Context. We need this Test Context to use the JavaScriptTestHelper class that we created earlier. Enter the following test method for the new unit test: [TestMethod] public void TestAddNumbers() { var jsHelper = new JavaScriptTestHelper(this.TestContext); // Load JavaScript files jsHelper.LoadFile("JavaScriptUnitTestFramework.js"); jsHelper.LoadFile(@"..\..\..\MvcApplication1\Scripts\Math.js"); jsHelper.LoadFile("MathTest.js"); // Execute JavaScript Test jsHelper.ExecuteTest("testAddNumbers"); } This code uses the JavaScriptTestHelper to load three files: JavaScripUnitTestFramework.js – Contains the assert functions. Math.js – Contains the addNumbers() function from your MVC application which is being tested. MathTest.js – Contains the JavaScript unit test function. Next, the test method calls the JavaScriptTestHelper ExecuteTest() method to execute the testAddNumbers() JavaScript function. Running the Visual Studio JavaScript Unit Test After you complete all of the steps described above, you can execute the JavaScript unit test just like any other unit test. You can use the keyboard combination CTRL-R, CTRL-A to run all of the tests in the current Visual Studio Solution. Alternatively, you can use the buttons in the Visual Studio toolbar to run the tests: (Unfortunately, the Run All Impacted Tests button won’t work correctly because Visual Studio won’t detect that your JavaScript code has changed. Therefore, you should use either the Run Tests in Current Context or Run All Tests in Solution options instead.) The results of running the JavaScript tests appear side-by-side with the results of running the server tests in the Test Results window. For example, if you Run All Tests in Solution then you will get the following results: Notice that the TestAddNumbers() JavaScript test has failed. That is good because our addNumbers() function is hard-coded to always return the value 5. If you double-click the failing JavaScript test, you can view additional details such as the JavaScript error message and the line number of the JavaScript code that failed: Summary The goal of this blog entry was to explain an approach to creating JavaScript unit tests that can be easily integrated with Visual Studio and Visual Studio ALM. I described how you can use the Microsoft Script Control to execute JavaScript on the server. By taking advantage of the Microsoft Script Control, we were able to execute our JavaScript unit tests side-by-side with all of our other unit tests and view the results in the standard Visual Studio Test Results window. You can download the code discussed in this blog entry from here: http://StephenWalther.com/downloads/Blog/JavaScriptUnitTesting/JavaScriptUnitTests.zip Before running this code, you need to first install the Microsoft Script Control which you can download from here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=d7e31492-2595-49e6-8c02-1426fec693ac

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  • I can't install using Wubi due to permission denied error

    - by Taksh Sharma
    I can't install ubuntu 11.10 inside my windows 7. It shows permission denied while installation. It gave a log file having the following data: 03-29 20:19 DEBUG TaskList: # Running tasklist... 03-29 20:19 DEBUG TaskList: ## Running select_target_dir... 03-29 20:19 INFO WindowsBackend: Installing into D:\ubuntu 03-29 20:19 DEBUG TaskList: ## Finished select_target_dir 03-29 20:19 DEBUG TaskList: ## Running create_dir_structure... 03-29 20:19 DEBUG CommonBackend: Creating dir D:\ubuntu 03-29 20:19 DEBUG CommonBackend: Creating dir D:\ubuntu\disks 03-29 20:19 DEBUG CommonBackend: Creating dir D:\ubuntu\install 03-29 20:19 DEBUG CommonBackend: Creating dir D:\ubuntu\install\boot 03-29 20:19 DEBUG CommonBackend: Creating dir D:\ubuntu\disks\boot 03-29 20:19 DEBUG CommonBackend: Creating dir D:\ubuntu\disks\boot\grub 03-29 20:19 DEBUG CommonBackend: Creating dir D:\ubuntu\install\boot\grub 03-29 20:19 DEBUG TaskList: ## Finished create_dir_structure 03-29 20:19 DEBUG TaskList: ## Running uncompress_target_dir... 03-29 20:19 DEBUG TaskList: ## Finished uncompress_target_dir 03-29 20:19 DEBUG TaskList: ## Running create_uninstaller... 03-29 20:19 DEBUG WindowsBackend: Copying uninstaller E:\wubi.exe -> D:\ubuntu\uninstall-wubi.exe 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi UninstallString D:\ubuntu\uninstall-wubi.exe 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi InstallationDir D:\ubuntu 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi DisplayName Ubuntu 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi DisplayIcon D:\ubuntu\Ubuntu.ico 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi DisplayVersion 11.10-rev241 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi Publisher Ubuntu 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi URLInfoAbout http://www.ubuntu.com 03-29 20:19 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi HelpLink http://www.ubuntu.com/support 03-29 20:19 DEBUG TaskList: ## Finished create_uninstaller 03-29 20:19 DEBUG TaskList: ## Running copy_installation_files... 03-29 20:19 DEBUG WindowsBackend: Copying C:\Users\Home\AppData\Local\Temp\pylB911.tmp\data\custom-installation -> D:\ubuntu\install\custom-installation 03-29 20:19 DEBUG WindowsBackend: Copying C:\Users\Home\AppData\Local\Temp\pylB911.tmp\winboot -> D:\ubuntu\winboot 03-29 20:19 DEBUG WindowsBackend: Copying C:\Users\Home\AppData\Local\Temp\pylB911.tmp\data\images\Ubuntu.ico -> D:\ubuntu\Ubuntu.ico 03-29 20:19 DEBUG TaskList: ## Finished copy_installation_files 03-29 20:19 DEBUG TaskList: ## Running get_iso... 03-29 20:19 DEBUG TaskList: New task copy_file 03-29 20:19 DEBUG TaskList: ### Running copy_file... 03-29 20:23 ERROR TaskList: [Errno 13] Permission denied Traceback (most recent call last): File "\lib\wubi\backends\common\tasklist.py", line 197, in __call__ File "\lib\wubi\backends\common\utils.py", line 202, in copy_file IOError: [Errno 13] Permission denied 03-29 20:23 DEBUG TaskList: # Cancelling tasklist 03-29 20:23 DEBUG TaskList: New task check_iso 03-29 20:23 ERROR root: [Errno 13] Permission denied Traceback (most recent call last): File "\lib\wubi\application.py", line 58, in run File "\lib\wubi\application.py", line 130, in select_task File "\lib\wubi\application.py", line 205, in run_cd_menu File "\lib\wubi\application.py", line 120, in select_task File "\lib\wubi\application.py", line 158, in run_installer File "\lib\wubi\backends\common\tasklist.py", line 197, in __call__ File "\lib\wubi\backends\common\utils.py", line 202, in copy_file IOError: [Errno 13] Permission denied 03-29 20:23 ERROR TaskList: 'WindowsBackend' object has no attribute 'iso_path' Traceback (most recent call last): File "\lib\wubi\backends\common\tasklist.py", line 197, in __call__ File "\lib\wubi\backends\common\backend.py", line 579, in get_iso File "\lib\wubi\backends\common\backend.py", line 565, in use_iso AttributeError: 'WindowsBackend' object has no attribute 'iso_path' 03-29 20:23 DEBUG TaskList: # Cancelling tasklist 03-29 20:23 DEBUG TaskList: # Finished tasklist 03-29 20:29 INFO root: === wubi 11.10 rev241 === 03-29 20:29 DEBUG root: Logfile is c:\users\home\appdata\local\temp\wubi-11.10-rev241.log 03-29 20:29 DEBUG root: sys.argv = ['main.pyo', '--exefile="E:\\wubi.exe"'] 03-29 20:29 DEBUG CommonBackend: data_dir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\data 03-29 20:29 DEBUG WindowsBackend: 7z=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\bin\7z.exe 03-29 20:29 DEBUG WindowsBackend: startup_folder=C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup 03-29 20:29 DEBUG CommonBackend: Fetching basic info... 03-29 20:29 DEBUG CommonBackend: original_exe=E:\wubi.exe 03-29 20:29 DEBUG CommonBackend: platform=win32 03-29 20:29 DEBUG CommonBackend: osname=nt 03-29 20:29 DEBUG CommonBackend: language=en_IN 03-29 20:29 DEBUG CommonBackend: encoding=cp1252 03-29 20:29 DEBUG WindowsBackend: arch=amd64 03-29 20:29 DEBUG CommonBackend: Parsing isolist=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\data\isolist.ini 03-29 20:29 DEBUG CommonBackend: Adding distro Xubuntu-i386 03-29 20:29 DEBUG CommonBackend: Adding distro Xubuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Kubuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Mythbuntu-i386 03-29 20:29 DEBUG CommonBackend: Adding distro Ubuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Ubuntu-i386 03-29 20:29 DEBUG CommonBackend: Adding distro Mythbuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Kubuntu-i386 03-29 20:29 DEBUG WindowsBackend: Fetching host info... 03-29 20:29 DEBUG WindowsBackend: registry_key=Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi 03-29 20:29 DEBUG WindowsBackend: windows version=vista 03-29 20:29 DEBUG WindowsBackend: windows_version2=Windows 7 Home Basic 03-29 20:29 DEBUG WindowsBackend: windows_sp=None 03-29 20:29 DEBUG WindowsBackend: windows_build=7601 03-29 20:29 DEBUG WindowsBackend: gmt=5 03-29 20:29 DEBUG WindowsBackend: country=IN 03-29 20:29 DEBUG WindowsBackend: timezone=Asia/Calcutta 03-29 20:29 DEBUG WindowsBackend: windows_username=Home 03-29 20:29 DEBUG WindowsBackend: user_full_name=Home 03-29 20:29 DEBUG WindowsBackend: user_directory=C:\Users\Home 03-29 20:29 DEBUG WindowsBackend: windows_language_code=1033 03-29 20:29 DEBUG WindowsBackend: windows_language=English 03-29 20:29 DEBUG WindowsBackend: processor_name=Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz 03-29 20:29 DEBUG WindowsBackend: bootloader=vista 03-29 20:29 DEBUG WindowsBackend: system_drive=Drive(C: hd 61135.1523438 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(C: hd 61135.1523438 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(D: hd 12742.5507813 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(E: cd 0.0 mb free cdfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(F: cd 0.0 mb free ) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(G: hd 93.22265625 mb free fat32) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(Q: hd 0.0 mb free ) 03-29 20:29 DEBUG WindowsBackend: uninstaller_path=D:\ubuntu\uninstall-wubi.exe 03-29 20:29 DEBUG WindowsBackend: previous_target_dir=D:\ubuntu 03-29 20:29 DEBUG WindowsBackend: previous_distro_name=Ubuntu 03-29 20:29 DEBUG WindowsBackend: keyboard_id=67699721 03-29 20:29 DEBUG WindowsBackend: keyboard_layout=us 03-29 20:29 DEBUG WindowsBackend: keyboard_variant= 03-29 20:29 DEBUG CommonBackend: python locale=('en_IN', 'cp1252') 03-29 20:29 DEBUG CommonBackend: locale=en_IN 03-29 20:29 DEBUG WindowsBackend: total_memory_mb=3893.859375 03-29 20:29 DEBUG CommonBackend: Searching ISOs on USB devices 03-29 20:29 DEBUG CommonBackend: Searching for local CDs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether E:\ is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: parsing info from str=Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) 03-29 20:29 DEBUG Distro: parsed info={'name': 'Ubuntu', 'subversion': 'Release', 'version': '11.10', 'build': '20111012', 'codename': 'Oneiric Ocelot', 'arch': 'i386'} 03-29 20:29 INFO Distro: Found a valid CD for Ubuntu: E:\ 03-29 20:29 INFO root: Running the CD menu... 03-29 20:29 DEBUG WindowsFrontend: __init__... 03-29 20:29 DEBUG WindowsFrontend: on_init... 03-29 20:29 INFO WinuiPage: appname=wubi, localedir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\translations, languages=['en_IN', 'en'] 03-29 20:29 INFO WinuiPage: appname=wubi, localedir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\translations, languages=['en_IN', 'en'] 03-29 20:29 INFO root: CD menu finished 03-29 20:29 INFO root: Already installed, running the uninstaller... 03-29 20:29 INFO root: Running the uninstaller... 03-29 20:29 INFO CommonBackend: This is the uninstaller running 03-29 20:29 INFO WinuiPage: appname=wubi, localedir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\translations, languages=['en_IN', 'en'] 03-29 20:29 INFO root: Received settings 03-29 20:29 INFO WinuiPage: appname=wubi, localedir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\translations, languages=['en_IN', 'en'] 03-29 20:29 DEBUG TaskList: # Running tasklist... 03-29 20:29 DEBUG TaskList: ## Running Remove bootloader entry... 03-29 20:29 DEBUG WindowsBackend: Could not find bcd id 03-29 20:29 DEBUG WindowsBackend: undo_bootini C: 03-29 20:29 DEBUG WindowsBackend: undo_configsys Drive(C: hd 61135.1523438 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: undo_bootini D: 03-29 20:29 DEBUG WindowsBackend: undo_configsys Drive(D: hd 12742.5507813 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: undo_bootini G: 03-29 20:29 DEBUG WindowsBackend: undo_configsys Drive(G: hd 93.22265625 mb free fat32) 03-29 20:29 DEBUG WindowsBackend: undo_bootini Q: 03-29 20:29 DEBUG WindowsBackend: undo_configsys Drive(Q: hd 0.0 mb free ) 03-29 20:29 DEBUG TaskList: ## Finished Remove bootloader entry 03-29 20:29 DEBUG TaskList: ## Running Remove target dir... 03-29 20:29 DEBUG CommonBackend: Deleting D:\ubuntu 03-29 20:29 DEBUG TaskList: ## Finished Remove target dir 03-29 20:29 DEBUG TaskList: ## Running Remove registry key... 03-29 20:29 DEBUG TaskList: ## Finished Remove registry key 03-29 20:29 DEBUG TaskList: # Finished tasklist 03-29 20:29 INFO root: Almost finished uninstalling 03-29 20:29 INFO root: Finished uninstallation 03-29 20:29 DEBUG CommonBackend: Fetching basic info... 03-29 20:29 DEBUG CommonBackend: original_exe=E:\wubi.exe 03-29 20:29 DEBUG CommonBackend: platform=win32 03-29 20:29 DEBUG CommonBackend: osname=nt 03-29 20:29 DEBUG WindowsBackend: arch=amd64 03-29 20:29 DEBUG CommonBackend: Parsing isolist=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\data\isolist.ini 03-29 20:29 DEBUG CommonBackend: Adding distro Xubuntu-i386 03-29 20:29 DEBUG CommonBackend: Adding distro Xubuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Kubuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Mythbuntu-i386 03-29 20:29 DEBUG CommonBackend: Adding distro Ubuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Ubuntu-i386 03-29 20:29 DEBUG CommonBackend: Adding distro Mythbuntu-amd64 03-29 20:29 DEBUG CommonBackend: Adding distro Kubuntu-i386 03-29 20:29 DEBUG WindowsBackend: Fetching host info... 03-29 20:29 DEBUG WindowsBackend: registry_key=Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi 03-29 20:29 DEBUG WindowsBackend: windows version=vista 03-29 20:29 DEBUG WindowsBackend: windows_version2=Windows 7 Home Basic 03-29 20:29 DEBUG WindowsBackend: windows_sp=None 03-29 20:29 DEBUG WindowsBackend: windows_build=7601 03-29 20:29 DEBUG WindowsBackend: gmt=5 03-29 20:29 DEBUG WindowsBackend: country=IN 03-29 20:29 DEBUG WindowsBackend: timezone=Asia/Calcutta 03-29 20:29 DEBUG WindowsBackend: windows_username=Home 03-29 20:29 DEBUG WindowsBackend: user_full_name=Home 03-29 20:29 DEBUG WindowsBackend: user_directory=C:\Users\Home 03-29 20:29 DEBUG WindowsBackend: windows_language_code=1033 03-29 20:29 DEBUG WindowsBackend: windows_language=English 03-29 20:29 DEBUG WindowsBackend: processor_name=Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz 03-29 20:29 DEBUG WindowsBackend: bootloader=vista 03-29 20:29 DEBUG WindowsBackend: system_drive=Drive(C: hd 61134.8632813 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(C: hd 61134.8632813 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(D: hd 12953.140625 mb free ntfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(E: cd 0.0 mb free cdfs) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(F: cd 0.0 mb free ) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(G: hd 93.22265625 mb free fat32) 03-29 20:29 DEBUG WindowsBackend: drive=Drive(Q: hd 0.0 mb free ) 03-29 20:29 DEBUG WindowsBackend: uninstaller_path=None 03-29 20:29 DEBUG WindowsBackend: previous_target_dir=None 03-29 20:29 DEBUG WindowsBackend: previous_distro_name=None 03-29 20:29 DEBUG WindowsBackend: keyboard_id=67699721 03-29 20:29 DEBUG WindowsBackend: keyboard_layout=us 03-29 20:29 DEBUG WindowsBackend: keyboard_variant= 03-29 20:29 DEBUG WindowsBackend: total_memory_mb=3893.859375 03-29 20:29 DEBUG CommonBackend: Searching ISOs on USB devices 03-29 20:29 DEBUG CommonBackend: Searching for local CDs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether C:\Users\Home\AppData\Local\Temp\pyl3487.tmp is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Ubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Kubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Xubuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether D:\ is a valid Mythbuntu CD 03-29 20:29 DEBUG Distro: does not contain D:\casper\filesystem.squashfs 03-29 20:29 DEBUG Distro: checking whether E:\ is a valid Ubuntu CD 03-29 20:29 INFO Distro: Found a valid CD for Ubuntu: E:\ 03-29 20:29 INFO root: Running the installer... 03-29 20:29 INFO WinuiPage: appname=wubi, localedir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\translations, languages=['en_IN', 'en'] 03-29 20:29 INFO WinuiPage: appname=wubi, localedir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\translations, languages=['en_IN', 'en'] 03-29 20:30 DEBUG WinuiInstallationPage: target_drive=C:, installation_size=8000MB, distro_name=Ubuntu, language=en_US, locale=en_US.UTF-8, username=taksh 03-29 20:30 INFO root: Received settings 03-29 20:30 INFO WinuiPage: appname=wubi, localedir=C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\translations, languages=['en_US', 'en'] 03-29 20:30 DEBUG TaskList: # Running tasklist... 03-29 20:30 DEBUG TaskList: ## Running select_target_dir... 03-29 20:30 INFO WindowsBackend: Installing into C:\ubuntu 03-29 20:30 DEBUG TaskList: ## Finished select_target_dir 03-29 20:30 DEBUG TaskList: ## Running create_dir_structure... 03-29 20:30 DEBUG CommonBackend: Creating dir C:\ubuntu 03-29 20:30 DEBUG CommonBackend: Creating dir C:\ubuntu\disks 03-29 20:30 DEBUG CommonBackend: Creating dir C:\ubuntu\install 03-29 20:30 DEBUG CommonBackend: Creating dir C:\ubuntu\install\boot 03-29 20:30 DEBUG CommonBackend: Creating dir C:\ubuntu\disks\boot 03-29 20:30 DEBUG CommonBackend: Creating dir C:\ubuntu\disks\boot\grub 03-29 20:30 DEBUG CommonBackend: Creating dir C:\ubuntu\install\boot\grub 03-29 20:30 DEBUG TaskList: ## Finished create_dir_structure 03-29 20:30 DEBUG TaskList: ## Running uncompress_target_dir... 03-29 20:30 DEBUG TaskList: ## Finished uncompress_target_dir 03-29 20:30 DEBUG TaskList: ## Running create_uninstaller... 03-29 20:30 DEBUG WindowsBackend: Copying uninstaller E:\wubi.exe -> C:\ubuntu\uninstall-wubi.exe 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi UninstallString C:\ubuntu\uninstall-wubi.exe 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi InstallationDir C:\ubuntu 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi DisplayName Ubuntu 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi DisplayIcon C:\ubuntu\Ubuntu.ico 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi DisplayVersion 11.10-rev241 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi Publisher Ubuntu 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi URLInfoAbout http://www.ubuntu.com 03-29 20:30 DEBUG registry: Setting registry key -2147483646 Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi HelpLink http://www.ubuntu.com/support 03-29 20:30 DEBUG TaskList: ## Finished create_uninstaller 03-29 20:30 DEBUG TaskList: ## Running copy_installation_files... 03-29 20:30 DEBUG WindowsBackend: Copying C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\data\custom-installation -> C:\ubuntu\install\custom-installation 03-29 20:30 DEBUG WindowsBackend: Copying C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\winboot -> C:\ubuntu\winboot 03-29 20:30 DEBUG WindowsBackend: Copying C:\Users\Home\AppData\Local\Temp\pyl3487.tmp\data\images\Ubuntu.ico -> C:\ubuntu\Ubuntu.ico 03-29 20:30 DEBUG TaskList: ## Finished copy_installation_files 03-29 20:30 DEBUG TaskList: ## Running get_iso... 03-29 20:30 DEBUG TaskList: New task copy_file 03-29 20:30 DEBUG TaskList: ### Running copy_file... 03-29 20:34 ERROR TaskList: [Errno 13] Permission denied Traceback (most recent call last): File "\lib\wubi\backends\common\tasklist.py", line 197, in __call__ File "\lib\wubi\backends\common\utils.py", line 202, in copy_file IOError: [Errno 13] Permission denied 03-29 20:34 DEBUG TaskList: # Cancelling tasklist 03-29 20:34 DEBUG TaskList: New task check_iso 03-29 20:34 ERROR root: [Errno 13] Permission denied Traceback (most recent call last): File "\lib\wubi\application.py", line 58, in run File "\lib\wubi\application.py", line 130, in select_task File "\lib\wubi\application.py", line 205, in run_cd_menu File "\lib\wubi\application.py", line 120, in select_task File "\lib\wubi\application.py", line 158, in run_installer File "\lib\wubi\backends\common\tasklist.py", line 197, in __call__ File "\lib\wubi\backends\common\utils.py", line 202, in copy_file IOError: [Errno 13] Permission denied 03-29 20:34 ERROR TaskList: 'WindowsBackend' object has no attribute 'iso_path' Traceback (most recent call last): File "\lib\wubi\backends\common\tasklist.py", line 197, in __call__ File "\lib\wubi\backends\common\backend.py", line 579, in get_iso File "\lib\wubi\backends\common\backend.py", line 565, in use_iso AttributeError: 'WindowsBackend' object has no attribute 'iso_path' 03-29 20:34 DEBUG TaskList: # Cancelling tasklist 03-29 20:34 DEBUG TaskList: # Finished tasklist I have no idea what's the problem is. I'm a kind of newbie. I'm using win7 64bit, and installing as an administrator. Please help me out!

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  • How to avoid "The name 'ConfigurationManager' does not exist in the current context" error?

    - by 5YrsLaterDBA
    I am using VS2008. I have a project connect with a database and the connection string is read from App.config via ConfigurationManager. We are using L2E. Now I added a helper project, AndeDataViewer, to have a simple UI to display data from the database for testing/verification purpose. I don't want to create another set of Entity Data Model in the helper project. I just added all related files as a link in the new helper project. When I compile, I got the following error: Error 15 The name 'ConfigurationManager' does not exist in the current context C:\workspace\SystemSoftware\SystemSoftware\src\systeminfo\RuntimeInfo.cs 24 40 AndeDataViewer I think I may need to add another project setting/config related file's link to the helper project from the main project? There is no App.config file in the new helper project. But it looks I cannot add that file's link to the helper project. Any ideas?

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  • How to get --detect-branches to work with git-p4?

    - by Michael Brennan
    My p4 repository has a structure similar to: //depot/project/branch1 //depot/project/branch2 //depot/project/branch3 ... etc However, when I use git-p4 to clone "project", all 3 branches are not considered as branches and all get cloned into the single master branch. This is how I'm invoking git-p4: git-p4 clone --detect-branches //depot/project I was expecting git-p4 to create a git database for "project" with three branches, and the root of the project would be mapped to the portion of the path after the branch name (for example: if //depot/project/branch1 has a subdirectory called "lib" (//depot/project/branch1/lib) then my local file system should be something like /git_project/lib with 3 git branches). Is what I'm expecting wrong? Am I invoking git-p4 incorrectly?

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  • Using the ASP.NET Cache to cache data in a Model or Business Object layer, without a dependency on System.Web in the layer - Part One.

    - by Rhames
    ASP.NET applications can make use of the System.Web.Caching.Cache object to cache data and prevent repeated expensive calls to a database or other store. However, ideally an application should make use of caching at the point where data is retrieved from the database, which typically is inside a Business Objects or Model layer. One of the key features of using a UI pattern such as Model-View-Presenter (MVP) or Model-View-Controller (MVC) is that the Model and Presenter (or Controller) layers are developed without any knowledge of the UI layer. Introducing a dependency on System.Web into the Model layer would break this independence of the Model from the View. This article gives a solution to this problem, using dependency injection to inject the caching implementation into the Model layer at runtime. This allows caching to be used within the Model layer, without any knowledge of the actual caching mechanism that will be used. Create a sample application to use the caching solution Create a test SQL Server database This solution uses a SQL Server database with the same Sales data used in my previous post on calculating running totals. The advantage of using this data is that it gives nice slow queries that will exaggerate the effect of using caching! To create the data, first create a new SQL database called CacheSample. Next run the following script to create the Sale table and populate it: USE CacheSample GO   CREATE TABLE Sale(DayCount smallint, Sales money) CREATE CLUSTERED INDEX ndx_DayCount ON Sale(DayCount) go INSERT Sale VALUES (1,120) INSERT Sale VALUES (2,60) INSERT Sale VALUES (3,125) INSERT Sale VALUES (4,40)   DECLARE @DayCount smallint, @Sales money SET @DayCount = 5 SET @Sales = 10   WHILE @DayCount < 5000  BEGIN  INSERT Sale VALUES (@DayCount,@Sales)  SET @DayCount = @DayCount + 1  SET @Sales = @Sales + 15  END Next create a stored procedure to calculate the running total, and return a specified number of rows from the Sale table, using the following script: USE [CacheSample] GO   SET ANSI_NULLS ON GO   SET QUOTED_IDENTIFIER ON GO   -- ============================================= -- Author:        Robin -- Create date: -- Description:   -- ============================================= CREATE PROCEDURE [dbo].[spGetRunningTotals]       -- Add the parameters for the stored procedure here       @HighestDayCount smallint = null AS BEGIN       -- SET NOCOUNT ON added to prevent extra result sets from       -- interfering with SELECT statements.       SET NOCOUNT ON;         IF @HighestDayCount IS NULL             SELECT @HighestDayCount = MAX(DayCount) FROM dbo.Sale                   DECLARE @SaleTbl TABLE (DayCount smallint, Sales money, RunningTotal money)         DECLARE @DayCount smallint,                   @Sales money,                   @RunningTotal money         SET @RunningTotal = 0       SET @DayCount = 0         DECLARE rt_cursor CURSOR       FOR       SELECT DayCount, Sales       FROM Sale       ORDER BY DayCount         OPEN rt_cursor         FETCH NEXT FROM rt_cursor INTO @DayCount,@Sales         WHILE @@FETCH_STATUS = 0 AND @DayCount <= @HighestDayCount        BEGIN        SET @RunningTotal = @RunningTotal + @Sales        INSERT @SaleTbl VALUES (@DayCount,@Sales,@RunningTotal)        FETCH NEXT FROM rt_cursor INTO @DayCount,@Sales        END         CLOSE rt_cursor       DEALLOCATE rt_cursor         SELECT DayCount, Sales, RunningTotal       FROM @SaleTbl   END   GO   Create the Sample ASP.NET application In Visual Studio create a new solution and add a class library project called CacheSample.BusinessObjects and an ASP.NET web application called CacheSample.UI. The CacheSample.BusinessObjects project will contain a single class to represent a Sale data item, with all the code to retrieve the sales from the database included in it for simplicity (normally I would at least have a separate Repository or other object that is responsible for retrieving data, and probably a data access layer as well, but for this sample I want to keep it simple). The C# code for the Sale class is shown below: using System; using System.Collections.Generic; using System.Data; using System.Data.SqlClient;   namespace CacheSample.BusinessObjects {     public class Sale     {         public Int16 DayCount { get; set; }         public decimal Sales { get; set; }         public decimal RunningTotal { get; set; }           public static IEnumerable<Sale> GetSales(int? highestDayCount)         {             List<Sale> sales = new List<Sale>();               SqlParameter highestDayCountParameter = new SqlParameter("@HighestDayCount", SqlDbType.SmallInt);             if (highestDayCount.HasValue)                 highestDayCountParameter.Value = highestDayCount;             else                 highestDayCountParameter.Value = DBNull.Value;               string connectionStr = System.Configuration.ConfigurationManager .ConnectionStrings["CacheSample"].ConnectionString;               using(SqlConnection sqlConn = new SqlConnection(connectionStr))             using (SqlCommand sqlCmd = sqlConn.CreateCommand())             {                 sqlCmd.CommandText = "spGetRunningTotals";                 sqlCmd.CommandType = CommandType.StoredProcedure;                 sqlCmd.Parameters.Add(highestDayCountParameter);                   sqlConn.Open();                   using (SqlDataReader dr = sqlCmd.ExecuteReader())                 {                     while (dr.Read())                     {                         Sale newSale = new Sale();                         newSale.DayCount = dr.GetInt16(0);                         newSale.Sales = dr.GetDecimal(1);                         newSale.RunningTotal = dr.GetDecimal(2);                           sales.Add(newSale);                     }                 }             }               return sales;         }     } }   The static GetSale() method makes a call to the spGetRunningTotals stored procedure and then reads each row from the returned SqlDataReader into an instance of the Sale class, it then returns a List of the Sale objects, as IEnnumerable<Sale>. A reference to System.Configuration needs to be added to the CacheSample.BusinessObjects project so that the connection string can be read from the web.config file. In the CacheSample.UI ASP.NET project, create a single web page called ShowSales.aspx, and make this the default start up page. This page will contain a single button to call the GetSales() method and a label to display the results. The html mark up and the C# code behind are shown below: ShowSales.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ShowSales.aspx.cs" Inherits="CacheSample.UI.ShowSales" %>   <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">   <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server">     <title>Cache Sample - Show All Sales</title> </head> <body>     <form id="form1" runat="server">     <div>         <asp:Button ID="btnTest1" runat="server" onclick="btnTest1_Click"             Text="Get All Sales" />         &nbsp;&nbsp;&nbsp;         <asp:Label ID="lblResults" runat="server"></asp:Label>         </div>     </form> </body> </html>   ShowSales.aspx.cs using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls;   using CacheSample.BusinessObjects;   namespace CacheSample.UI {     public partial class ShowSales : System.Web.UI.Page     {         protected void Page_Load(object sender, EventArgs e)         {         }           protected void btnTest1_Click(object sender, EventArgs e)         {             System.Diagnostics.Stopwatch stopWatch = new System.Diagnostics.Stopwatch();             stopWatch.Start();               var sales = Sale.GetSales(null);               var lastSales = sales.Last();               stopWatch.Stop();               lblResults.Text = string.Format( "Count of Sales: {0}, Last DayCount: {1}, Total Sales: {2}. Query took {3} ms", sales.Count(), lastSales.DayCount, lastSales.RunningTotal, stopWatch.ElapsedMilliseconds);         }       } }   Finally we need to add a connection string to the CacheSample SQL Server database, called CacheSample, to the web.config file: <?xmlversion="1.0"?>   <configuration>    <connectionStrings>     <addname="CacheSample"          connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;Initial Catalog=CacheSample"          providerName="System.Data.SqlClient" />  </connectionStrings>    <system.web>     <compilationdebug="true"targetFramework="4.0" />  </system.web>   </configuration>   Run the application and click the button a few times to see how long each call to the database takes. On my system, each query takes about 450ms. Next I shall look at a solution to use the ASP.NET caching to cache the data returned by the query, so that subsequent requests to the GetSales() method are much faster. Adding Data Caching Support I am going to create my caching support in a separate project called CacheSample.Caching, so the next step is to add a class library to the solution. We shall be using the application configuration to define the implementation of our caching system, so we need a reference to System.Configuration adding to the project. ICacheProvider<T> Interface The first step in adding caching to our application is to define an interface, called ICacheProvider, in the CacheSample.Caching project, with methods to retrieve any data from the cache or to retrieve the data from the data source if it is not present in the cache. Dependency Injection will then be used to inject an implementation of this interface at runtime, allowing the users of the interface (i.e. the CacheSample.BusinessObjects project) to be completely unaware of how the caching is actually implemented. As data of any type maybe retrieved from the data source, it makes sense to use generics in the interface, with a generic type parameter defining the data type associated with a particular instance of the cache interface implementation. The C# code for the ICacheProvider interface is shown below: using System; using System.Collections.Generic;   namespace CacheSample.Caching {     public interface ICacheProvider     {     }       public interface ICacheProvider<T> : ICacheProvider     {         T Fetch(string key, Func<T> retrieveData, DateTime? absoluteExpiry, TimeSpan? relativeExpiry);           IEnumerable<T> Fetch(string key, Func<IEnumerable<T>> retrieveData, DateTime? absoluteExpiry, TimeSpan? relativeExpiry);     } }   The empty non-generic interface will be used as a type in a Dictionary generic collection later to store instances of the ICacheProvider<T> implementation for reuse, I prefer to use a base interface when doing this, as I think the alternative of using object makes for less clear code. The ICacheProvider<T> interface defines two overloaded Fetch methods, the difference between these is that one will return a single instance of the type T and the other will return an IEnumerable<T>, providing support for easy caching of collections of data items. Both methods will take a key parameter, which will uniquely identify the cached data, a delegate of type Func<T> or Func<IEnumerable<T>> which will provide the code to retrieve the data from the store if it is not present in the cache, and absolute or relative expiry policies to define when a cached item should expire. Note that at present there is no support for cache dependencies, but I shall be showing a method of adding this in part two of this article. CacheProviderFactory Class We need a mechanism of creating instances of our ICacheProvider<T> interface, using Dependency Injection to get the implementation of the interface. To do this we shall create a CacheProviderFactory static class in the CacheSample.Caching project. This factory will provide a generic static method called GetCacheProvider<T>(), which shall return instances of ICacheProvider<T>. We can then call this factory method with the relevant data type (for example the Sale class in the CacheSample.BusinessObject project) to get a instance of ICacheProvider for that type (e.g. call CacheProviderFactory.GetCacheProvider<Sale>() to get the ICacheProvider<Sale> implementation). The C# code for the CacheProviderFactory is shown below: using System; using System.Collections.Generic;   using CacheSample.Caching.Configuration;   namespace CacheSample.Caching {     public static class CacheProviderFactory     {         private static Dictionary<Type, ICacheProvider> cacheProviders = new Dictionary<Type, ICacheProvider>();         private static object syncRoot = new object();           ///<summary>         /// Factory method to create or retrieve an implementation of the  /// ICacheProvider interface for type <typeparamref name="T"/>.         ///</summary>         ///<typeparam name="T">  /// The type that this cache provider instance will work with  ///</typeparam>         ///<returns>An instance of the implementation of ICacheProvider for type  ///<typeparamref name="T"/>, as specified by the application  /// configuration</returns>         public static ICacheProvider<T> GetCacheProvider<T>()         {             ICacheProvider<T> cacheProvider = null;             // Get the Type reference for the type parameter T             Type typeOfT = typeof(T);               // Lock the access to the cacheProviders dictionary             // so multiple threads can work with it             lock (syncRoot)             {                 // First check if an instance of the ICacheProvider implementation  // already exists in the cacheProviders dictionary for the type T                 if (cacheProviders.ContainsKey(typeOfT))                     cacheProvider = (ICacheProvider<T>)cacheProviders[typeOfT];                 else                 {                     // There is not already an instance of the ICacheProvider in       // cacheProviders for the type T                     // so we need to create one                       // Get the Type reference for the application's implementation of       // ICacheProvider from the configuration                     Type cacheProviderType = Type.GetType(CacheProviderConfigurationSection.Current. CacheProviderType);                     if (cacheProviderType != null)                     {                         // Now get a Type reference for the Cache Provider with the                         // type T generic parameter                         Type typeOfCacheProviderTypeForT = cacheProviderType.MakeGenericType(new Type[] { typeOfT });                         if (typeOfCacheProviderTypeForT != null)                         {                             // Create the instance of the Cache Provider and add it to // the cacheProviders dictionary for future use                             cacheProvider = (ICacheProvider<T>)Activator. CreateInstance(typeOfCacheProviderTypeForT);                             cacheProviders.Add(typeOfT, cacheProvider);                         }                     }                 }             }               return cacheProvider;                 }     } }   As this code uses Activator.CreateInstance() to create instances of the ICacheProvider<T> implementation, which is a slow process, the factory class maintains a Dictionary of the previously created instances so that a cache provider needs to be created only once for each type. The type of the implementation of ICacheProvider<T> is read from a custom configuration section in the application configuration file, via the CacheProviderConfigurationSection class, which is described below. CacheProviderConfigurationSection Class The implementation of ICacheProvider<T> will be specified in a custom configuration section in the application’s configuration. To handle this create a folder in the CacheSample.Caching project called Configuration, and add a class called CacheProviderConfigurationSection to this folder. This class will extend the System.Configuration.ConfigurationSection class, and will contain a single string property called CacheProviderType. The C# code for this class is shown below: using System; using System.Configuration;   namespace CacheSample.Caching.Configuration {     internal class CacheProviderConfigurationSection : ConfigurationSection     {         public static CacheProviderConfigurationSection Current         {             get             {                 return (CacheProviderConfigurationSection) ConfigurationManager.GetSection("cacheProvider");             }         }           [ConfigurationProperty("type", IsRequired=true)]         public string CacheProviderType         {             get             {                 return (string)this["type"];             }         }     } }   Adding Data Caching to the Sales Class We now have enough code in place to add caching to the GetSales() method in the CacheSample.BusinessObjects.Sale class, even though we do not yet have an implementation of the ICacheProvider<T> interface. We need to add a reference to the CacheSample.Caching project to CacheSample.BusinessObjects so that we can use the ICacheProvider<T> interface within the GetSales() method. Once the reference is added, we can first create a unique string key based on the method name and the parameter value, so that the same cache key is used for repeated calls to the method with the same parameter values. Then we get an instance of the cache provider for the Sales type, using the CacheProviderFactory, and pass the existing code to retrieve the data from the database as the retrievalMethod delegate in a call to the Cache Provider Fetch() method. The C# code for the modified GetSales() method is shown below: public static IEnumerable<Sale> GetSales(int? highestDayCount) {     string cacheKey = string.Format("CacheSample.BusinessObjects.GetSalesWithCache({0})", highestDayCount);       return CacheSample.Caching.CacheProviderFactory. GetCacheProvider<Sale>().Fetch(cacheKey,         delegate()         {             List<Sale> sales = new List<Sale>();               SqlParameter highestDayCountParameter = new SqlParameter("@HighestDayCount", SqlDbType.SmallInt);             if (highestDayCount.HasValue)                 highestDayCountParameter.Value = highestDayCount;             else                 highestDayCountParameter.Value = DBNull.Value;               string connectionStr = System.Configuration.ConfigurationManager. ConnectionStrings["CacheSample"].ConnectionString;               using (SqlConnection sqlConn = new SqlConnection(connectionStr))             using (SqlCommand sqlCmd = sqlConn.CreateCommand())             {                 sqlCmd.CommandText = "spGetRunningTotals";                 sqlCmd.CommandType = CommandType.StoredProcedure;                 sqlCmd.Parameters.Add(highestDayCountParameter);                   sqlConn.Open();                   using (SqlDataReader dr = sqlCmd.ExecuteReader())                 {                     while (dr.Read())                     {                         Sale newSale = new Sale();                         newSale.DayCount = dr.GetInt16(0);                         newSale.Sales = dr.GetDecimal(1);                         newSale.RunningTotal = dr.GetDecimal(2);                           sales.Add(newSale);                     }                 }             }               return sales;         },         null,         new TimeSpan(0, 10, 0)); }     This example passes the code to retrieve the Sales data from the database to the Cache Provider as an anonymous method, however it could also be written as a lambda. The main advantage of using an anonymous function (method or lambda) is that the code inside the anonymous function can access the parameters passed to the GetSales() method. Finally the absolute expiry is set to null, and the relative expiry set to 10 minutes, to indicate that the cache entry should be removed 10 minutes after the last request for the data. As the ICacheProvider<T> has a Fetch() method that returns IEnumerable<T>, we can simply return the results of the Fetch() method to the caller of the GetSales() method. This should be all that is needed for the GetSales() method to now retrieve data from a cache after the first time the data has be retrieved from the database. Implementing a ASP.NET Cache Provider The final step is to actually implement the ICacheProvider<T> interface, and add the implementation details to the web.config file for the dependency injection. The cache provider implementation needs to have access to System.Web. Therefore it could be placed in the CacheSample.UI project, or in its own project that has a reference to System.Web. Implementing the Cache Provider in a separate project is my favoured approach. Create a new project inside the solution called CacheSample.CacheProvider, and add references to System.Web and CacheSample.Caching to this project. Add a class to the project called AspNetCacheProvider. Make the class a generic class by adding the generic parameter <T> and indicate that the class implements ICacheProvider<T>. The C# code for the AspNetCacheProvider class is shown below: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Caching;   using CacheSample.Caching;   namespace CacheSample.CacheProvider {     public class AspNetCacheProvider<T> : ICacheProvider<T>     {         #region ICacheProvider<T> Members           public T Fetch(string key, Func<T> retrieveData, DateTime? absoluteExpiry, TimeSpan? relativeExpiry)         {             return FetchAndCache<T>(key, retrieveData, absoluteExpiry, relativeExpiry);         }           public IEnumerable<T> Fetch(string key, Func<IEnumerable<T>> retrieveData, DateTime? absoluteExpiry, TimeSpan? relativeExpiry)         {             return FetchAndCache<IEnumerable<T>>(key, retrieveData, absoluteExpiry, relativeExpiry);         }           #endregion           #region Helper Methods           private U FetchAndCache<U>(string key, Func<U> retrieveData, DateTime? absoluteExpiry, TimeSpan? relativeExpiry)         {             U value;             if (!TryGetValue<U>(key, out value))             {                 value = retrieveData();                 if (!absoluteExpiry.HasValue)                     absoluteExpiry = Cache.NoAbsoluteExpiration;                   if (!relativeExpiry.HasValue)                     relativeExpiry = Cache.NoSlidingExpiration;                   HttpContext.Current.Cache.Insert(key, value, null, absoluteExpiry.Value, relativeExpiry.Value);             }             return value;         }           private bool TryGetValue<U>(string key, out U value)         {             object cachedValue = HttpContext.Current.Cache.Get(key);             if (cachedValue == null)             {                 value = default(U);                 return false;             }             else             {                 try                 {                     value = (U)cachedValue;                     return true;                 }                 catch                 {                     value = default(U);                     return false;                 }             }         }           #endregion       } }   The two interface Fetch() methods call a private method called FetchAndCache(). This method first checks for a element in the HttpContext.Current.Cache with the specified cache key, and if so tries to cast this to the specified type (either T or IEnumerable<T>). If the cached element is found, the FetchAndCache() method simply returns it. If it is not found in the cache, the method calls the retrievalMethod delegate to get the data from the data source, and then adds this to the HttpContext.Current.Cache. The final step is to add the AspNetCacheProvider class to the relevant custom configuration section in the CacheSample.UI.Web.Config file. To do this there needs to be a <configSections> element added as the first element in <configuration>. This will match a custom section called <cacheProvider> with the CacheProviderConfigurationSection. Then we add a <cacheProvider> element, with a type property set to the fully qualified assembly name of the AspNetCacheProvider class, as shown below: <?xmlversion="1.0"?>   <configuration>  <configSections>     <sectionname="cacheProvider" type="CacheSample.Base.Configuration.CacheProviderConfigurationSection, CacheSample.Base" />  </configSections>    <connectionStrings>     <addname="CacheSample"          connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;Initial Catalog=CacheSample"          providerName="System.Data.SqlClient" />  </connectionStrings>    <cacheProvidertype="CacheSample.CacheProvider.AspNetCacheProvider`1, CacheSample.CacheProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null">  </cacheProvider>    <system.web>     <compilationdebug="true"targetFramework="4.0" />  </system.web>   </configuration>   One point to note is that the fully qualified assembly name of the AspNetCacheProvider class includes the notation `1 after the class name, which indicates that it is a generic class with a single generic type parameter. The CacheSample.UI project needs to have references added to CacheSample.Caching and CacheSample.CacheProvider so that the actual application is aware of the relevant cache provider implementation. Conclusion After implementing this solution, you should have a working cache provider mechanism, that will allow the middle and data access layers to implement caching support when retrieving data, without any knowledge of the actually caching implementation. If the UI is not ASP.NET based, if for example it is Winforms or WPF, the implementation of ICacheProvider<T> would be written around whatever technology is available. It could even be a standalone caching system that takes full responsibility for adding and removing items from a global store. The next part of this article will show how this caching mechanism may be extended to provide support for cache dependencies, such as the System.Web.Caching.SqlCacheDependency. Another possible extension would be to cache the cache provider implementations instead of storing them in a static Dictionary in the CacheProviderFactory. This would prevent a build up of seldom used cache providers in the application memory, as they could be removed from the cache if not used often enough, although in reality there are probably unlikely to be vast numbers of cache provider implementation instances, as most applications do not have a massive number of business object or model types.

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  • Django and mod_python config

    - by Peter
    My Django project is placed in /www/host1/htdocs/my/project, www and my are links to other actual folders. Apache has mod_python enabled. I have a .htaccess in project folder: SetHandler python-program PythonHandler django.core.handlers.modpython SetEnv DJANGO_SETTINGS_MODULE project.settings PythonDebug On PythonOption django.root /my/project PythonPath "['/www/host1/htdocs/my/project'] + sys.path" I suppose my site should be accessible from http://host1/my/project, but I see the following error: ImportError: Could not import settings 'project.settings' (Is it on sys.path? Does it have syntax errors?): No module named project.settings Can somebody give any suggestions?

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  • Platform configuration for projects in VS 2010

    - by Thomas Wanner
    I have a third-party project type in Visual Studio which for some reason only supports the .NET Platform configuration for the build, for all other (standard C#) projects in the solution I only have AnyCPU. Unfortunately, ever since upgrading to VS 2010 it produces following error when built : Error 39 The OutputPath property is not set for project 'ReferencedBusinessProject.csproj'. Please check to make sure that you have specified a valid combination of Configuration and Platform for this project. Configuration='Debug' Platform='.NET'. This error may also appear if some other project is trying to follow a project-to-project reference to this project, this project has been unloaded or is not included in the solution, and the referencing project does not build using the same or an equivalent Configuration or Platform. C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets 483 10 CustomTypeProject It's pretty much descriptive in what is missing but I haven't found any way to fix it so far. Do you have any idea how this can be resolved or what can be the problem ?

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  • t-sql recursive query

    - by stackoverflowuser
    Based on an existing table I used CTE recursive query to come up with following data. But failing to apply it a level further. Data is as below id name parentid -------------------------- 1 project 0 2 structure 1 3 path_1 2 4 path_2 2 5 path_3 2 6 path_4 3 7 path_5 4 8 path_6 5 I want to recursively form full paths from the above data. Means the recursion will give the following output. FullPaths ------------- Project Project\Structure Project\Structure\Path_1 Project\Structure\Path_2 Project\Structure\Path_3 Project\Structure\Path_1\path_4 Project\Structure\Path_2\path_5 Project\Structure\Path_3\path_6 Thanks

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  • Clojure load files

    - by Nate
    I'm trying to set up a simple clojure project, and I'm not sure how to load files between the project. I'm sure that the answer is in the documentation, but I can't find a simple answer any where and I'm not sure where to look. Essentially, my directory looks like this: Clojure/ clojure/ clojure.jar other clojure files clojure-contrib/ clojure-contrib.jar other contrib files project/ main.clj utils.clj And I want main.clj to be something like this: (ns project.main (:require project.utils)) (greet) and utils.clj to be something like this: (ns project.utils) (defn greet [] (println "Hello, World!")) But that fails with: Exception in thread "main" java.io.FileNotFoundException: Could not locate project/utils__init.class or project/utils.clj on classpath: (main.clj:1) When I attempt to run it. How do you set up a simple clojure project?

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  • Why doesn't this list comprehension do what I expect it to do?

    - by Az
    The original list project_keys = sorted(projects.keys()) is [101, 102, 103, 104, 105, 106, 107, 108, 109, 110] where the following projects were deemed invalid this year: 108, 109, 110. Thus: for project in projects.itervalues(): # The projects dictionary is mapped to the Project class if project.invalid: # Where invalid is a Bool parameter in the Project class project_keys.remove(project.proj_id) print project_keys This will return a list of integers (which are project id's) as such: [101, 102, 103, 104, 105, 106, 107] Sweet. Now, I wanted it try the same thing using a list comprehension. project_keys = [project_keys.remove(project.proj_id) for project in projects.itervalues() if project.invalid print project_keys This returns: [None, None, None] So I'm populating a list with the same number as the removed elements but they're Nones? Can someone point out what I'm doing wrong? Additionally, why would I use a list comprehension over the for-if block at the top? Conciseness? Looks nicer?

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  • java.lang.NoClassDefFoundError when the file is there

    - by tsOverflow
    I've tried to look around for postings that might help me, cant find any. I am deploying an ear to JBoss4 server, and I started having this problem since I added a new project. this new project is defined as Java project in eclipse, and the EAR project has an EJB project that has the new Java project as one of the projects as its dependent upon - if deployed on JBoss locally through eclipse, there's no problem and everything goes smoothly But when being deployed to JBoss in test environment (outside eclipse), kept getting java.lang.NoClassDefFoundError on one of the classes that are defined in the new Java project. I looked inside the EAR file to get to the jar (EJB project), and then inside the jar, I can see the directory structure and all the class files from the new Java project - ie. The class that it complains about is right there inside the EAR-JAR and matching the exact structure that it's looking for. I am at lost to what else I can look at. Any pointers are greatly appreciated! Thanks

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  • Silverlight, MSBuild, VS and some shared files. How?

    - by asgerhallas
    I have a VS project used for my .NET WCF host with some simple DTOs in it. I then have another project targeted for Silverlight with links to the files from the .NET-project. What's the best way automate the build, so that all files from the .NET project are automatically built to a Silverlight assembly too? I have tried the following in the Silverlight-library project: <Compile Include="..\KSLog.Core.Services.Shared\**\*.cs" Exclude="..\KSLog.Core.Services.Shared\Properties\AssemblyInfo.cs"></Compile> But when I do a build or a rebuild of the solution new files in the .NET project are not automatically added to the Silverlight project, and if I have deleted files in the .NET project, I get a compile error, saying the file is not found in the Silverlight project. Can I make it automatically update it self in some way? Or am I doing it all wrong?

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  • How to copy referenced assembly's dependecies to ASP.NET output bin folder?

    - by LD2008
    Hi all, In Visual Studio 2010, I have project A (asp.net application). Project A references project B (class library). Project B references assembly C (direct reference to a DLL). When building project A, only project A and project B binaries are present in the /bin directory of project A, but not the assembly C. Why is that? If project B depends on assembly C, why is assembly C not copied together to the output folder? "Copy local" is already set to "true" for assembly C. Any information would be appreciated. Thanks!

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  • “I could use a little help here” or “I can do it myself, thank you” for Cloud Projects

    - by BuckWoody
    Windows Azure allows you to write code in languages within the .NET stack, you can use Java, C++, PHP, NodeJS and others. Code is code - other than keeping things stateless, using a Web or Worker Role in Azure is not all that different from working with an on-premises system. However…. Working in a scalable, component-based stateless architecture that can use federated security is not all that common for many developers. Some are used to owning the server, scaling up, and state-full paradigms that have a single security domain. Making the transition whilst trying to create a new software application or even port a previous one can be daunting. Sure, we have absolutely tons of free training, kits, videos, online books and more to learn on your own, but some things like architecture can be pivotal as you move along. So the question is, should you just strike out on your own for a Cloud project, or get Microsoft Consulting Services or another partner to work with you on your first one? I use a few decision points to help guide the projects I assist in. Note: I’m a huge fan of having help that ends up giving you training and leaves you in charge. If you do engage with someone to help you, make sure you keep this clear and take more and more ownership yourself as the project progresses. How much time do you have? Usually the first thing I ask is about the timeline for the project. It doesn’t matter how skilled you are, if you have a short window to get things done it’s better to get help - especially if this is your first cloud project. Having someone that knows the platform well can save you amazing amounts of time. If you have longer, then start with the training in the link above and once you feel confident, jump in. How complex is the project? If there are a lot of moving parts, it’s best to engage a partner. The reason is that certain interactions - particularly things like Service Bus or Data Integration  - can be quite different than what you may have encountered before. How many people do you have? I have a “pizza rule” about projects I’ve used in my career - if it takes over two pizzas to feed everyone on the project, it’s too big and will fail. That being said, one developer and a one-week deadline does not a good project make, usually. It’s best to have at least one architect (or someone in that role) guiding the project along, and at least two developers to work on a cloud project. That’s a generalization of course, since I’ve seen great software on Azure with one developer writing code all by herself, but for more complex projects, more (to a point) is better. The nice thing about bringing on a partner is that you don’t have to hire them full time - they help you and then they go away. How critical is the project? There’s no shame in using some help. If the platform is new, if the project is large and complex, and if it is critical to the business, you should engage a partner. That’s regardless of Cloud or anything else - get some help. You don’t want to hit your company’s bottom line in a negative way, but you have to innovate and get them a competitive advantage. Do your research, make sure the partner is qualified to help you, and get it done. Don’t let these questions scare you off. There are lots of projects you can implement on Windows and SQL Azure with nothing other than the Software Development Kit (SDK) that you get for free with Windows Azure. And assistance comes in many forms - sometimes just phone support, a friend you can ask. Microsoft Consulting Services or any of our great partners. You can get help on just the architecture piece or have them show you how to write the code. They’ll get involved as little or as much as you like.

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  • F# WPF Form &ndash; the basics

    - by MarkPearl
    I was listening to Dot Net Rocks show #560 about F# and during the podcast Richard Campbell brought up a good point with regards to F# and a GUI. In essence what I understood his point to be was that until one could write an end to end application in F#, it would be a hard sell to developers to take it on. In part I agree with him, while I am beginning to really enjoy learning F#, I can’t but help feel that I would be a lot further into the language if I could do my Windows Forms like I do in C# or VB.NET for the simple reason that in “playing” applications I spend the majority of the time in the UI layer… So I have been keeping my eye out for some examples of creating a WPF form in a F# project and came across Tim’s F# Twitter Stream Sample, which had exactly this…. of course he actually had a bit more than a basic form… but it was enough for me to scrap the insides and glean what I needed. So today I am going to make just the very basic WPF form with all the goodness of a XAML window. Getting Started First thing we need to do is create a new solution with a blank F# application project – I have made mine called FSharpWPF. Once you have the project created you will need to change the project type from a Console Application to a Windows Application. You do this by right clicking on the project file and going to its properties… Once that is done you will need to add the appropriate references. You do this by right clicking on the References in the Solution Explorer and clicking “Add Reference'”. You should add the appropriate .Net references below for WPF & XAMl to work. Once these references are added you then need to add your XAML file to the project. You can do this by adding a new item to the project of type xml and simply changing the file extension from xml to xaml. Once the xaml file has been added to the project you will need to add valid window XAML. Example of a very basic xaml file is shown below… <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="F# WPF WPF Form" Height="350" Width="525"> <Grid> </Grid> </Window> Once your xaml file is done… you need to set the build action of the xaml file from “None” to “Resource” as depicted in the picture below. If you do not set this you will get an IOException error when running the completed project with a message along the lines of “Cannot locate resource ‘window.xaml’ You then need to tie everything up by putting the correct F# code in the Program.fs to load the xaml window. In the Program.fs put the following code… module Program open System open System.Collections.ObjectModel open System.IO open System.Windows open System.Windows.Controls open System.Windows.Markup [<STAThread>] [<EntryPoint>] let main(_) = let w = Application.LoadComponent(new System.Uri("/FSharpWPF;component/Window.xaml", System.UriKind.Relative)) :?> Window (new Application()).Run(w) Once all this is done you should be able to build and run your project. What you have done is created a WPF based window inside a FSharp project. It should look something like below…   Nothing to exciting, but sufficient to illustrate the very basic WPF form in F#. Hopefully in future posts I will build on this to expose button events etc.

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  • We’ve Got 10 Free Copies of Microsoft’s Networking Windows 7 eBook to Give Away. Get Yours!

    - by The Geek
    Last month, we reviewed our friend Ciprian’s new book by Microsoft Press, Network Your Computers & Devices: Step by Step—and we’ve twisted his arm until he decided to give away 10 free copies for our readers. First, the book: It’s a great book that covers networking between computers running Windows 7, XP, Vista, Linux, and even Mac OS X. Just as the title suggests, he’s got step-by-step tutorials that explain how to get your network up and running with a minimum of fuss. Want to see for yourself? You can grab a copy of the free sample chapter if you’d like, or you can look through the chapter outline: Chapter 1: Setting Up a Router and Devices Chapter 2: Setting User Accounts on All Computers Chapter 3: Setting Up Your Libraries on All Windows 7 Computers Chapter 4: Creating the Network Chapter 5: Customizing Network Sharing Settings in Windows 7 Chapter 6: Creating the Homegroup and Joining Windows 7 Computers Chapter 7: Sharing Libraries and Folders Chapter 8: Sharing and Working with Devices Chapter 9: Streaming Media Over the Network and the Internet Chapter 10: Sharing Between Windows XP, Windows Vista, and Windows 7 Computers Chapter 11: Sharing Between Mac OS X and Windows 7 Computers Chapter 12: Sharing Between Ubuntu Linux and Windows 7 Computers Chapter 13: Keeping the Network Secure Chapter 14: Setting Up Parental Controls Chapter 15: Troubleshooting Network and Internet Problems Whether you believe it’s the perfect book or not, we’re giving away one for free, so keep reading. Giveaway Details: Or What You Need to Do Since we’ve got an awful lot of subscribers, and we’ve only got 10 ebooks to give away, we need a few rules. So here’s how you can put your name into the hat for the giveaway: Method 1: Leave a comment on the giveaway post over on our Facebook Fan page. Obviously you’ll need to Like us before you can leave a comment. Method 2: If you don’t use Facebook, you can tweet this post using the Tweet button at the top of the article. Winners: We’ll randomly pick 10 winners from those who participate. Expiration: This giveaway expires in 3 days, give or take a day. We’ll announce the winners and contact them directly. So go forth, and get yourself a free ebook! Of course, if you want the print version, you can get that for a discount over on Amazon at the moment. Latest Features How-To Geek ETC Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines MyPaint is an Open-Source Graphics App for Digital Painters Can the Birds and Pigs Really Be Friends in the End? [Angry Birds Video] Add the 2D Version of the New Unity Interface to Ubuntu 10.10 and 11.04 MightyMintyBoost Is a 3-in-1 Gadget Charger Watson Ties Against Human Jeopardy Opponents Peaceful Tropical Cavern Wallpaper

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  • You do not need a separate SQL Server license for a Standby or Passive server - this Microsoft White Paper explains all

    - by tonyrogerson
    If you were in any doubt at all that you need to license Standby / Passive Failover servers then the White Paper “Do Not Pay Too Much for Your Database Licensing” will settle those doubts. I’ve had debate before people thinking you can only have a single instance as a standby machine, that’s just wrong; it would mean you could have a scenario where you had a 2 node active/passive cluster with database mirroring and log shipping (a total of 4 SQL Server instances) – in that set up you only need to buy one physical license so long as the standby nodes have the same or less physical processors (cores are irrelevant). So next time your supplier suggests you need a license for your standby box tell them you don’t and educate them by pointing them to the white paper. For clarity I’ve copied the extract below from the White Paper. Extract from “Do Not Pay Too Much for Your Database Licensing” Standby Server Customers often implement standby server to make sure the application continues to function in case primary server fails. Standby server continuously receives updates from the primary server and will take over the role of primary server in case of failure in the primary server. Following are comparisons of how each vendor supports standby server licensing. SQL Server Customers does not need to license standby (or passive) server provided that the number of processors in the standby server is equal or less than those in the active server. Oracle DB Oracle requires customer to fully license both active and standby servers even though the standby server is essentially idle most of the time. IBM DB2 IBM licensing on standby server is quite complicated and is different for every editions of DB2. For Enterprise Edition, a minimum of 100 PVUs or 25 Authorized User is needed to license standby server.   The following graph compares prices based on a database application with two processors (dual-core) and 25 users with one standby server. [chart snipped]  Note   All prices are based on newest Intel Xeon Nehalem processor database pricing for purchases within the United States and are in United States dollars. Pricing is based on information available on vendor Web sites for Enterprise Edition. Microsoft SQL Server Enterprise Edition 25 users (CALs) x $164 / CAL + $8,592 / Server = $12,692 (no need to license standby server) Oracle Enterprise Edition (base license without options) Named User Plus minimum (25 Named Users Plus per Core) = 25 x 2 = 50 Named Users Plus x $950 / Named Users Plus x 2 servers = $95,000 IBM DB2 Enterprise Edition (base license without feature pack) Need to purchase 125 Authorized User (400 PVUs/100 PVUs = 4 X 25 = 100 Authorized User + 25 Authorized Users for standby server) = 125 Authorized Users x $1,040 / Authorized Users = $130,000  

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  • The busy developers guide to the Kinect SDK Beta

    - by mbcrump
    The Kinect is awesome. From day one, I’ve said this thing has got potential. After playing with several open-source Kinect projects, I am please to announce that Microsoft has released the official SDK beta on 6/16/2011. I’ve created this quick start guide to get you up to speed in no time flat. Let’s begin: What is it? The Kinect for Windows SDK beta is a starter kit for applications developers that includes APIs, sample code, and drivers. This SDK enables the academic research and enthusiast communities to create rich experiences by using Microsoft Xbox 360 Kinect sensor technology on computers running Windows 7. (defined by Microsoft) Links worth checking out: Download Kinect for Windows SDK beta – You can either download a 32 or 64 bit SDK depending on your OS. Readme for Kinect for Windows SDK Beta from Microsoft Research  Programming Guide: Getting Started with the Kinect for Windows SDK Beta Code Walkthroughs of the samples that ship with the Kinect for Windows SDK beta (Found in \Samples Folder) Coding4Fun Kinect Toolkit – Lots of extension methods and controls for WPF and WinForms. Kinect Mouse Cursor – Use your hands to control things like a mouse created by Brian Peek. Kinect Paint – Basically MS Paint but use your hands! Kinect for Windows SDK Quickstarts Installing and Using the Kinect Sensor Getting it installed: After downloading the Kinect SDK Beta, double click the installer to get the ball rolling. Hit the next button a few times and it should complete installing. Once you have everything installed then simply plug in your Kinect device into the USB Port on your computer and hopefully you will get the following screen: Once installed, you are going to want to check out the following folders: C:\Program Files (x86)\Microsoft Research KinectSDK – This contains the actual Kinect Sample Executables along with the documentation as a CHM file. Also check out the C:\Users\Public\Documents\Microsoft Research KinectSDK Samples directory: The main thing to note here is that these folders contain the source code to the applications where you can compile/build them yourself. Audio NUI DEMO Time Let’s get started with some demos. Navigate to the C:\Program Files (x86)\Microsoft Research KinectSDK folder and double click on ShapeGame.exe. Next up is SkeletalViewer.exe (image taken from http://www.i-programmer.info/news/91-hardware/2619-microsoft-launch-kinect-sdk-beta.html as I could not get a good image using SnagIt) At this point, you will have to download Kinect Mouse Cursor – This is really cool because you can use your hands to control the mouse cursor. I actually used this to resize itself. Last up is Kinect Paint – This is very cool, just make sure you read the instructions! MS Paint on steroids! A few tips for getting started building Kinect Applications. It appears WPF is the way to go with building Kinect Applications. You must also use a version of Visual Studio 2010.  Your going to need to reference Microsoft.Research.Kinect.dll when building a Kinect Application. Right click on References and then goto Browse and navigate to C:\Program Files (x86)\Microsoft Research KinectSDK and select Microsoft.Research.Kinect.dll. You are going to want to make sure your project has the Platform target set to x86. The Coding4Fun Kinect Toolkit really makes things easier with extension methods and controls. Just note that this is for WinForms or WPF. Conclusion It looks like we have a lot of fun in store with the Kinect SDK. I’m very excited about the release and have already been thinking about all the applications that I can begin building. It seems that development will be easier now that we have an official SDK and the great work from Coding4Fun. Please subscribe to my blog or follow me on twitter for more information about Kinect, Silverlight and other great technology.  Subscribe to my feed

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  • Columbus Regional Airport Authority Cuts Unbudgeted Carryover Costs for Capital Projects by 88% in One Year

    - by Melissa Centurio Lopes
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} The Columbus Regional Airport Authority (CRAA) is a public entity that works to connect Central Ohio with the world. It oversees operations at three airports?Port Columbus International Airport, Rickenbacker International Airport, and Bolton Field Airport?and manages the Rickenbacker Inland Port and Foreign Trade Zone # 138. It was created in 2002 through the merger of the Columbus Airport Authority and Rickenbacker Port Authority. CRAA manages approximately 100 projects annually, including initiatives as diverse as road and runway construction and maintenance, terminal improvements, construction of a new air traffic control tower, technology infrastructure development, customer service projects, and energy conservation programs. CRAA deployed Oracle’s Primavera P6 Enterprise Project Portfolio Management to create a unified methodology for scheduling and capital cash flow management. Today, the organization manages schedules and costs for all of its capital projects by using Primavera to provide enterprise wide visibility. As a result, CRAA cut unbudgeted carryover costs from US$24.4 million in 2010 to US$3.5 million in 2011?an 88% improvement. "Oracle’s Primavera P6 and Primavera Contract Management are transforming project management at CRAA. We have enabled resource-loaded scheduling and expanded visibility into cash flow, which allowed us to reduce unbudgeted carryover by 88% in a single year.” – Alex Beaver, Manager, Project Controls Office, Columbus Regional Airport Authority Challenges Standardize project planning and management for the approximately 100 projects?including airport terminal upgrades to road and runway creation and rehabilitation?that the airport authority undertakes annually Improve control over project scheduling and budgets to reduce unplanned carryover costs from one fiscal year to the next Ensure on-time, on-budget completion of critical infrastructure projects that support the organization’s mission to connect Central Ohio with the world through its three airports and inland port Solutions · Used Primavera P6 Enterprise Project Portfolio Management to develop a unified methodology for scheduling and managing capital projects for the airport authority, including the organization’s largest capital project ever?a five-year runway construction project · Gained a single, consolidated view into the organization’s capital projects and the ability to drill down into resource-loaded schedules and cash flow, enabling CRAA to take action earlier to avert the impact of emerging issues?including budget overages and project delays · Cut unbudgeted carryover costs from US$24.4 million in 2010 to US$3.5 million in 2011?an 88% improvement Click here to view all of the solutions. “Oracle’s Primavera solutions are the industry standard for project management. They provide robust and proven functionality that give us the power to effectively schedule and manage budgets for a wide range of projects, from terminal maintenance, to runway work, to golf course redesign,” said Alex Beaver, manager, project controls office, Columbus Regional Airport Authority. Click here to read the full version of the customer success story.

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  • Web Platform Installer bundles for Visual Studio 2010 SP1 - and how you can build your own WebPI bundles

    - by Jon Galloway
    Visual Studio SP1 is  now available via the Web Platform Installer, which means you've got three options: Download the 1.5 GB ISO image Run the 750KB Web Installer (which figures out what you need to download) Install via Web PI Note: I covered some tips for installing VS2010 SP1 last week - including some that apply to all of these, such as removing options you don't use prior to installing the service pack to decrease the installation time and download size. Two Visual Studio 2010 SP1 Web PI packages There are actually two WebPI packages for VS2010 SP1. There's the standard Visual Studio 2010 SP1 package [Web PI link], which includes (quoting ScottGu's post): VS2010 2010 SP1 ASP.NET MVC 3 (runtime + tools support) IIS 7.5 Express SQL Server Compact Edition 4.0 (runtime + tools support) Web Deployment 2.0 The notes on that package sum it up pretty well: Looking for the latest everything? Look no further. This will get you Visual Studio 2010 Service Pack 1 and the RTM releases of ASP.NET MVC 3, IIS 7.5 Express, SQL Server Compact 4.0 with tooling, and Web Deploy 2.0. It's the value meal of Microsoft products. Tell your friends! Note: This bundle includes the Visual Studio 2010 SP1 web installer, which will dynamically determine the appropriate service pack components to download and install. This is typically in the range of 200-500 MB and will take 30-60 minutes to install, depending on your machine configuration. There is also a Visual Studio 2010 SP1 Core package [Web PI link], which only includes only the SP without any of the other goodies (MVC3, IIS Express, etc.). If you're doing any web development, I'd highly recommend the main pack since it the other installs are small, simple installs, but if you're working in another space, you might want the core package. Installing via the Web Platform Installer I generally like to go with the Web PI when possible since it simplifies most software installations due to things like: Smart dependency management - installing apps or tools which have software dependencies will automatically figure out which dependencies you don't have and add them to the list (which you can review before install) Simultaneous download and install - if your install includes more than one package, it will automatically pull the dependencies first and begin installing them while downloading the others Lists the latest downloads - no need to search around, as they're all listed based on a live feed Includes open source applications - a lot of popular open source applications are included as well as Microsoft software and tools No worries about reinstallation - WebPI installations detect what you've got installed, so for instance if you've got MVC 3 installed you don't need to worry about the VS2010 SP1 package install messing anything up In addition to the links I included above, you can install the WebPI from http://www.microsoft.com/web/downloads/platform.aspx, and if you have Web PI installed you can just tap the Windows key and type "Web Platform" to bring it up in the Start search list. You'll see Visual Studio SP1 listed in the spotlight list as shown below. That's the standard package, which includes MVC 3 / IIS 7.5 Express / SQL Compact / Web Deploy. If you just want the core install, you can use the search box in the upper right corner, typing in "Visual Studio SP1" as shown. Core Install: Use Web PI or the Visual Studio Web Installer? I think the big advantage of using Web PI to install VS 2010 SP1 is that it includes the other new bits. If you're going to install the SP1 core, I don't think there's as much advantage to using Web PI, as the Web PI Core install just downloads the Visual Studio Web Installer anyways. I think Web PI makes it a little easier to find the download, but not a lot. The Visual Studio Web Installer checks dependencies, so there's no big advantage there. If you do happen to hit any problems installing Visual Studio SP1 via Web PI, I'd recommend running the Visual Studio Web Installer, then running the Web PI VS 2010 SP1 package to get all the other goodies. I talked to one person who hit some random snag, recommended that, and it worked out. Custom Web Platform Installer bundles You can create links that will launch the Web Platform Installer with a custom list of tools. You can see an example of this by clicking through on the install button at http://asp.net/downloads (cancelling the installation dialog). You'll see this in the address bar: http://www.microsoft.com/web/gallery/install.aspx?appsxml=&appid=MVC3;ASPNET;NETFramework4;SQLExpress;VWD Notice that the appid querystring parameter includes a semicolon delimited list, and you can make your own custom Web PI links with your own desired app list. I can think of a lot of cases where that would be handy: linking to a recommended software configuration from a software project or product, setting up a recommended / documented / supported install list for a software development team or IT shop, etc. For instance, here's a link that installs just VS2010 SP1 Core and the SQL CE tools: http://www.microsoft.com/web/gallery/install.aspx?appsxml=&appid=VS2010SP1Core;SQLCETools Note: If you've already got all or some of the products installed, the display will reflect that. On my dev box which has the full SP1 package, here's what the above link gives me: Here's another example - on a fresh box I created a link to install MVC 3 and the Web Farm Framework (http://www.microsoft.com/web/gallery/install.aspx?appsxml=&appid=MVC3;WebFarmFramework) and got the following items added to the cart: But where do I get the App ID's? Aha, that's the trick. You can link to a list of cool packages, but you need to know the App ID's to link to them. To figure that out, I turned on tracing in Web Platform Installer  (also handy if you're ever having trouble with a WebPI install) and from the trace logs saw that the list of packages is pulled from an XML file: DownloadManager Information: 0 : Loading product xml from: https://go.microsoft.com/?linkid=9763242 DownloadManager Verbose: 0 : Connecting to https://go.microsoft.com/?linkid=9763242 with (partial) headers: Referer: wpi://2.1.0.0/Microsoft Windows NT 6.1.7601 Service Pack 1 If-Modified-Since: Wed, 09 Mar 2011 14:15:27 GMT User-Agent:Platform-Installer/3.0.3.0(Microsoft Windows NT 6.1.7601 Service Pack 1) DownloadManager Information: 0 : https://go.microsoft.com/?linkid=9763242 responded with 302 DownloadManager Information: 0 : Response headers: HTTP/1.1 302 Found Cache-Control: private Content-Length: 175 Content-Type: text/html; charset=utf-8 Expires: Wed, 09 Mar 2011 22:52:28 GMT Location: https://www.microsoft.com/web/webpi/3.0/webproductlist.xml Server: Microsoft-IIS/7.5 X-AspNet-Version: 2.0.50727 X-Powered-By: ASP.NET Date: Wed, 09 Mar 2011 22:53:27 GMT Browsing to https://www.microsoft.com/web/webpi/3.0/webproductlist.xml shows the full list. You can search through that in your browser / text editor if you'd like, open it in Excel as an XML table, etc. Here's a list of the App ID's as of today: SMO SMO32 PHP52ForIISExpress PHP53ForIISExpress StaticContent DefaultDocument DirectoryBrowse HTTPErrors HTTPRedirection ASPNET NETExtensibility ASP CGI ISAPIExtensions ISAPIFilters ServerSideIncludes HTTPLogging LoggingTools RequestMonitor Tracing CustomLogging ODBCLogging BasicAuthentication WindowsAuthentication DigestAuthentication ClientCertificateMappingAuthentication IISClientCertificateMappingAuthentication URLAuthorization RequestFiltering IPSecurity StaticContentCompression DynamicContentCompression IISManagementConsole IISManagementScriptsAndTools ManagementService MetabaseAndIIS6Compatibility WASProcessModel WASNetFxEnvironment WASConfigurationAPI IIS6WPICompatibility IIS6ScriptingTools IIS6ManagementConsole LegacyFTPServer FTPServer WebDAV LegacyFTPManagementConsole FTPExtensibility AdminPack AdvancedLogging WebFarmFrameworkNonLoc ExternalCacheNonLoc WebFarmFramework WebFarmFrameworkv2 WebFarmFrameworkv2_beta ExternalCache ECacheUpdate ARRv1 ARRv2Beta1 ARRv2Beta2 ARRv2RC ARRv2NonLoc ARRv2 ARRv2Update MVC MVCBeta MVCRC1 MVCRC2 DBManager DbManagerUpdate DynamicIPRestrictions DynamicIPRestrictionsUpdate DynamicIPRestrictionsLegacy DynamicIPRestrictionsBeta2 FTPOOB IISPowershellSnapin RemoteManager SEOToolkit VS2008RTM MySQL SQLDriverPHP52IIS SQLDriverPHP53IIS SQLDriverPHP52IISExpress SQLDriverPHP53IISExpress SQLExpress SQLManagementStudio SQLExpressAdv SQLExpressTools UrlRewrite UrlRewrite2 UrlRewrite2NonLoc UrlRewrite2RC UrlRewrite2Beta UrlRewrite10 UrlScan MVC3Installer MVC3 MVC3LocInstaller MVC3Loc MVC2 VWD VWD2010SP1Pack NETFramework4 WebMatrix WebMatrix_v1Refresh IISExpress IISExpress_v1 IIS7 AspWebPagesVS AspWebPagesVS_1_0 Plan9 Plan9Loc WebMatrix_WHP SQLCE SQLCETools SQLCEVSTools SQLCEVSTools_4_0 SQLCEVSToolsInstaller_4_0 SQLCEVSToolsInstallerNew_4_0 SQLCEVSToolsInstallerRepair_EN_4_0 SQLCEVSToolsInstallerRepair_JA_4_0 SQLCEVSToolsInstallerRepair_FR_4_0 SQLCEVSToolsInstallerRepair_DE_4_0 SQLCEVSToolsInstallerRepair_ES_4_0 SQLCEVSToolsInstallerRepair_IT_4_0 SQLCEVSToolsInstallerRepair_RU_4_0 SQLCEVSToolsInstallerRepair_KO_4_0 SQLCEVSToolsInstallerRepair_ZH_CN_4_0 SQLCEVSToolsInstallerRepair_ZH_TW_4_0 VWD2008 WebDAVOOB WDeploy WDeploy_v2 WDeployNoSMO WDeploy11 WinCache52 WinCache53 NETFramework35 WindowsImagingComponent VC9Redist NETFramework20SP2 WindowsInstaller31 PowerShell PowerShellMsu PowerShell2 WindowsInstaller45 FastCGIUpdate FastCGIBackport FastCGIIIS6 IIS51 IIS60 SQLNativeClient SQLNativeClient2008 SQLNativeClient2005 SQLCLRTypes SQLCLRTypes32 SMO_10_1 MySQLConnector PHP52 PHP53 PHPManager VSVWD2010Feature VWD2010WebFeature_0 VWD2010WebFeature_1 VWD2010WebFeature_2 VS2010SP1Prerequisite RIAServicesToolkitMay2010 Silverlight4Toolkit Silverlight4Tools VSLS SSMAMySQL WebsitePanel VS2010SP1Core VS2010SP1Installer VS2010SP1Pack MissingVWDOrVSVWD2010Feature VB2010Beta2Express VCS2010Beta2Express VC2010Beta2Express RIAServicesToolkitApr2010 VS2010Beta1 VS2010RC VS2010Beta2 VS2010Beta2Express VS2k8RTM VSCPP2k8RTM VSVB2k8RTM VSCS2k8RTM VSVWDFeature LegacyWinCache SQLExpress2005 SSMS2005

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  • Windows 8.1 Will Start Encrypting Hard Drives By Default: Everything You Need to Know

    - by Chris Hoffman
    Windows 8.1 will automatically encrypt the storage on modern Windows PCs. This will help protect your files in case someone steals your laptop and tries to get at them, but it has important ramifications for data recovery. Previously, “BitLocker” was available on Professional and Enterprise editions of Windows, while “Device Encryption” was available on Windows RT and Windows Phone. Device encryption is included with all editions of Windows 8.1 — and it’s on by default. When Your Hard Drive Will Be Encrypted Windows 8.1 includes “Pervasive Device Encryption.” This works a bit differently from the standard BitLocker feature that has been included in Professional, Enterprise, and Ultimate editions of Windows for the past few versions. Before Windows 8.1 automatically enables Device Encryption, the following must be true: The Windows device “must support connected standby and meet the Windows Hardware Certification Kit (HCK) requirements for TPM and SecureBoot on ConnectedStandby systems.”  (Source) Older Windows PCs won’t support this feature, while new Windows 8.1 devices you pick up will have this feature enabled by default. When Windows 8.1 installs cleanly and the computer is prepared, device encryption is “initialized” on the system drive and other internal drives. Windows uses a clear key at this point, which is removed later when the recovery key is successfully backed up. The PC’s user must log in with a Microsoft account with administrator privileges or join the PC to a domain. If a Microsoft account is used, a recovery key will be backed up to Microsoft’s servers and encryption will be enabled. If a domain account is used, a recovery key will be backed up to Active Directory Domain Services and encryption will be enabled. If you have an older Windows computer that you’ve upgraded to Windows 8.1, it may not support Device Encryption. If you log in with a local user account, Device Encryption won’t be enabled. If you upgrade your Windows 8 device to Windows 8.1, you’ll need to enable device encryption, as it’s off by default when upgrading. Recovering An Encrypted Hard Drive Device encryption means that a thief can’t just pick up your laptop, insert a Linux live CD or Windows installer disc, and boot the alternate operating system to view your files without knowing your Windows password. It means that no one can just pull the hard drive from your device, connect the hard drive to another computer, and view the files. We’ve previously explained that your Windows password doesn’t actually secure your files. With Windows 8.1, average Windows users will finally be protected with encryption by default. However, there’s a problem — if you forget your password and are unable to log in, you’d also be unable to recover your files. This is likely why encryption is only enabled when a user logs in with a Microsoft account (or connects to a domain). Microsoft holds a recovery key, so you can gain access to your files by going through a recovery process. As long as you’re able to authenticate using your Microsoft account credentials — for example, by receiving an SMS message on the cell phone number connected to your Microsoft account — you’ll be able to recover your encrypted data. With Windows 8.1, it’s more important than ever to configure your Microsoft account’s security settings and recovery methods so you’ll be able to recover your files if you ever get locked out of your Microsoft account. Microsoft does hold the recovery key and would be capable of providing it to law enforcement if it was requested, which is certainly a legitimate concern in the age of PRISM. However, this encryption still provides protection from thieves picking up your hard drive and digging through your personal or business files. If you’re worried about a government or a determined thief who’s capable of gaining access to your Microsoft account, you’ll want to encrypt your hard drive with software that doesn’t upload a copy of your recovery key to the Internet, such as TrueCrypt. How to Disable Device Encryption There should be no real reason to disable device encryption. If nothing else, it’s a useful feature that will hopefully protect sensitive data in the real world where people — and even businesses — don’t enable encryption on their own. As encryption is only enabled on devices with the appropriate hardware and will be enabled by default, Microsoft has hopefully ensured that users won’t see noticeable slow-downs in performance. Encryption adds some overhead, but the overhead can hopefully be handled by dedicated hardware. If you’d like to enable a different encryption solution or just disable encryption entirely, you can control this yourself. To do so, open the PC settings app — swipe in from the right edge of the screen or press Windows Key + C, click the Settings icon, and select Change PC settings. Navigate to PC and devices -> PC info. At the bottom of the PC info pane, you’ll see a Device Encryption section. Select Turn Off if you want to disable device encryption, or select Turn On if you want to enable it — users upgrading from Windows 8 will have to enable it manually in this way. Note that Device Encryption can’t be disabled on Windows RT devices, such as Microsoft’s Surface RT and Surface 2. If you don’t see the Device Encryption section in this window, you’re likely using an older device that doesn’t meet the requirements and thus doesn’t support Device Encryption. For example, our Windows 8.1 virtual machine doesn’t offer Device Encryption configuration options. This is the new normal for Windows PCs, tablets, and devices in general. Where files on typical PCs were once ripe for easy access by thieves, Windows PCs are now encrypted by default and recovery keys are sent to Microsoft’s servers for safe keeping. This last part may be a bit creepy, but it’s easy to imagine average users forgetting their passwords — they’d be very upset if they lost all their files because they had to reset their passwords. It’s also an improvement over Windows PCs being completely unprotected by default.     

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  • IntelliSense for Razor Hosting in non-Web Applications

    - by Rick Strahl
    When I posted my Razor Hosting article a couple of weeks ago I got a number of questions on how to get IntelliSense to work inside of Visual Studio while editing your templates. The answer to this question is mainly dependent on how Visual Studio recognizes assemblies, so a little background is required. If you open a template just on its own as a standalone file by clicking on it say in Explorer, Visual Studio will open up with the template in the editor, but you won’t get any IntelliSense on any of your related assemblies that you might be using by default. It’ll give Intellisense on base System namespace, but not on your imported assembly types. This makes sense: Visual Studio has no idea what the assembly associations for the single file are. There are two options available to you to make IntelliSense work for templates: Add the templates as included files to your non-Web project Add a BIN folder to your template’s folder and add all assemblies required there Including Templates in your Host Project By including templates into your Razor hosting project, Visual Studio will pick up the project’s assembly references and make IntelliSense available for any of the custom types in your project and on your templates. To see this work I moved the \Templates folder from the samples from the Debug\Bin folder into the project root and included the templates in the WinForm sample project. Here’s what this looks like in Visual Studio after the templates have been included:   Notice that I take my original example and type cast the Context object to the specific type that it actually represents – namely CustomContext – by using a simple code block: @{ CustomContext Model = Context as CustomContext; } After that assignment my Model local variable is in scope and IntelliSense works as expected. Note that you also will need to add any namespaces with the using command in this case: @using RazorHostingWinForm which has to be defined at the very top of a Razor document. BTW, while you can only pass in a single Context 'parameter’ to the template with the default template I’ve provided realize that you can also assign a complex object to Context. For example you could have a container object that references a variety of other objects which you can then cast to the appropriate types as needed: @{ ContextContainer container = Context as ContextContainer; CustomContext Model = container.Model; CustomDAO DAO = container.DAO; } and so forth. IntelliSense for your Custom Template Notice also that you can get IntelliSense for the top level template by specifying an inherits tag at the top of the document: @inherits RazorHosting.RazorTemplateFolderHost By specifying the above you can then get IntelliSense on your base template’s properties. For example, in my base template there are Request and Response objects. This is very useful especially if you end up creating custom templates that include your custom business objects as you can get effectively see full IntelliSense from the ‘page’ level down. For Html Help Builder for example, I’d have a Help object on the page and assuming I have the references available I can see all the way into that Help object without even having to do anything fancy. Note that the @inherits key is a GREAT and easy way to override the base template you normally specify as the default template. It allows you to create a custom template and as long as it inherits from the base template it’ll work properly. Since the last post I’ve also made some changes in the base template that allow hooking up some simple initialization logic so it gets much more easy to create custom templates and hook up custom objects with an IntializeTemplate() hook function that gets called with the Context and a Configuration object. These objects are objects you can pass in at runtime from your host application and then assign to custom properties on your template. For example the default implementation for RazorTemplateFolderHost does this: public override void InitializeTemplate(object context, object configurationData) { // Pick up configuration data and stuff into Request object RazorFolderHostTemplateConfiguration config = configurationData as RazorFolderHostTemplateConfiguration; this.Request.TemplatePath = config.TemplatePath; this.Request.TemplateRelativePath = config.TemplateRelativePath; // Just use the entire ConfigData as the model, but in theory // configData could contain many objects or values to set on // template properties this.Model = config.ConfigData as TModel; } to set up a strongly typed Model and the Request object. You can do much more complex hookups here of course and create complex base template pages that contain all the objects that you need in your code with strong typing. Adding a Bin folder to your Template’s Root Path Including templates in your host project works if you own the project and you’re the only one modifying the templates. However, if you are distributing the Razor engine as a templating/scripting solution as part of your application or development tool the original project is likely not available and so that approach is not practical. Another option you have is to add a Bin folder and add all the related assemblies into it. You can also add a Web.Config file with assembly references for any GAC’d assembly references that need to be associated with the templates. Between the web.config and bin folder Visual Studio can figure out how to provide IntelliSense. The Bin folder should contain: The RazorHosting.dll Your host project’s EXE or DLL – renamed to .dll if it’s an .exe Any external (bin folder) dependent assemblies Note that you most likely also want a reference to the host project if it contains references that are going to be used in templates. Visual Studio doesn’t recognize an EXE reference so you have to rename the EXE to DLL to make it work. Apparently the binary signature of EXE and DLL files are identical and it just works – learn something new everyday… For GAC assembly references you can add a web.config file to your template root. The Web.config file then should contain any full assembly references to GAC components: <configuration> <system.web> <compilation debug="true"> <assemblies> <add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" /> <add assembly="System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /> <add assembly="System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" /> </assemblies> </compilation> </system.web> </configuration> And with that you should get full IntelliSense. Note that if you add a BIN folder and you also have the templates in your Visual Studio project Visual Studio will complain about reference conflicts as it’s effectively seeing both the project references and the ones in the bin folder. So it’s probably a good idea to use one or the other but not both at the same time :-) Seeing IntelliSense in your Razor templates is a big help for users of your templates. If you’re shipping an application level scripting solution especially it’ll be real useful for your template consumers/users to be able to get some quick help on creating customized templates – after all that’s what templates are all about – easy customization. Making sure that everything is referenced in your bin folder and web.config is a good idea and it’s great to see that Visual Studio (and presumably WebMatrix/Visual Web Developer as well) will be able to pick up your custom IntelliSense in Razor templates.© Rick Strahl, West Wind Technologies, 2005-2011Posted in Razor  

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