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• How to get rid of multiple linux versions in grub boot menu

  - by Silver Light

  I've been using dual boot on my PC for some time now, to use Ubuntu along side with Windows 7. One very disturbing thing happens, when Ubuntu linux core gets updated (this happens once in a while). They are added as options to the grub menu so, my boot menu now looks like this: Ubuntu, with linux 2.6.35-27 generic Ubuntu, with linux 2.6.35-27 generic (recovery mode) Ubuntu, with linux 2.6.35-25 generic Ubuntu, with linux 2.6.35-25 generic (recovery mode) Ubuntu, with linux 2.6.35-24 generic Ubuntu, with linux 2.6.35-24 generic (recovery mode) Ubuntu, with linux 2.6.35-22 generic Ubuntu, with linux 2.6.35-22 generic (recovery mode) Memory test Windows 7 This gets very annoying, because I want to load windows by default, but after every update it shifts down and I have to go to grub config and change the default option. My question: How to get rid of older versions of linux in the grub menu and leave only the newest one?

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• Ordered Tests in Visual Studio 2008

  - by AngryHacker

  I created an Ordered Test in Visual Studio 2008, which includes a subset of unit tests in the project. How do I now run this Ordered Test (without running every other test).

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• Yeoman 'grunt test' fails on clean project with 'port already in use'

  - by XMLilley

  With: Mac OS 10.8.4 Node 0.10.12 npm 1.3.1 grunt-cli 0.1.9 yo 1.0.0-rc.1 bower 0.9.2 [email protected] I encounter the following error with a clean yo angular project, followed by grunt server then grunt test: Running "connect:test" (connect) task Fatal error: Port 9000 is already in use by another process. I'm new to Yeoman and am stumped. I've deleted my original project and created a new one in a fresh folder just to make sure I wasn't overlooking any invisible configs. I restarted the machine to make sure I wasn't running any temporary server processes I had forgotten about. After all attempts, the basic server starts fine, attaches to Chrome, and the watcher updates the browser on any changes. (Notably, the server is running on 9000, which seems odd for the test-runner to also be trying to use 9000.) But I get that same error on attempting to start the test runner. Is this something I can fix, or an issue I should report to the Yeoman team? Thanks.

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• Need Insight - What is the best practice for syncing up a production database that will be used on a

  - by james

  I have a site set up using CakePHP and MySQL and I want to work on a test database without disrupting my live site in case something goes wrong. I have another busy site, but my test site runs off the live database which can be occasionally nerve wracking. What do I do if I change a table name in the test db and I want it changed in the live database? Or if I remove a record from the test database. Is there a way to diff the changes? How do I even merge those changes? How does this interfere with live user edits and things of that nature? Hopefully some of you working devs can share some insight!

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• Running unittest with typical test directory structure.

  - by Major Major

  The very common directory structure for even a simple Python module seems to be to separate the unit tests into their own test directory: new_project/ antigravity/ antigravity.py test/ test_antigravity.py setup.py etc. for example see this Python project howto. My question is simply What's the usual way of actually running the tests? I suspect this is obvious to everyone except me, but you can't just run python test_antigravity.py from the test directory as its import antigravity will fail as the module is not on the path. I know I could modify PYTHONPATH and other search path related tricks, but I can't believe that's the simplest way - it's fine if you're the developer but not realistic to expect your users to use if they just want to check the tests are passing. The other alternative is just to copy the test file into the other directory, but it seems a bit dumb and misses the point of having them in a separate directory to start with. So, if you had just downloaded the source to my new project how would you run the unit tests? I'd prefer an answer that would let me say to my users: "To run the unit tests do X."

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• No class def found error for JUnit Test on android

  - by J Bellamy

  I am having some very bizarre behaviour. I have a large number of test cases for my Android application, and they all work except for one. When I run this one I get a java.lang.NoClassDefFoundError: org.JUnit.test Yes, I have the JUnit 4 library imported into the project, and my other JUnit tests are running without any problems. What is particularly bizarre is that before I hit this problem I had an error in my code- basically, I tried writing a file to a read only folder. When that occurred, the JUnitTest would execute up to the point where it would hit an IO exception for accessing a part of memory it cannot access. I fix this problem, and suddenly the Android emulator doesn't seem to know what org.JUnit.test is. I have examined the run configuration for this test class, and it is the same as my others. It is in the same folder as the other tests as well. It also uses the same import statements. Any idea on what is going on? I am using the Android 10 emulator, and eclipse version 3.7.2. Edit: To clarify, the error I get appears on Logcat and not in my Eclipse project.

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• Ensure that all getter methods were called in a JUnit test

  - by Freiheit

  I have a class that uses XStream and is used as a transfer format for my application. I am writing tests for other classes that map this transfer format to and from a different messaging standard. I would like to ensure that all getters on my class are called within a test to ensure that if a new field is added, my test properly checks for it. A rough outline of the XStream class @XStreamAlias("thing") public class Thing implements Serializable { private int id; private int someField; public int getId(){ ... } public int someField() { ... } } So now if I update that class to be: @XStreamAlias("thing") public class Thing implements Serializable { private int id; private int someField; private String newField; public int getId(){ ... } public int getSomeField() { ... } public String getNewField(){ ... } } I would want my test to fail because the old tests are not calling getNewField(). The goal is to ensure that if new getters are added, that we have some way of ensuring that the tests check them. Ideally, this would be contained entirely in the test and not require modifying the underlying Thing class. Any ideas? Thanks for looking!

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• Integration test for H1 text failing when it should be passing (Rspec and Capybara)

  - by rebec

  Below you can see my test for what happens when a user tries to access the page to edit a profile photo that they don't own. I've used the same test on the NEW action, where it worked fine, but it surprised me by failing when I copied it down to the EDIT action tests. I've used save_and_open_page to test what Capybara's seeing (as you can see below); the resulting page definitely has an h1 with the specified text in it. No spelling errors, and case is all the same as in the test. I've tried using both have_css and have_selector. Both fail. I'm still learning Ruby, Rails, Rspec and especially Capybara (was using webrat previously and recently switched over), and wonder if I'm misconceiving of something that's making me expect this to pass when it doesn't. Any thoughts? Thanks! describe "EDIT" do let(:user) { FactoryGirl.create(:user) } let(:different_user) { FactoryGirl.create(:user) } let(:admin_user) { FactoryGirl.create(:user, role: "admin") } let(:profile_photo1) { FactoryGirl.create(:profile_photo, user: user) } subject { page } context "when signed in as any member" do before { login different_user visit edit_user_profile_photo_path(:id => profile_photo1, :user_id => profile_photo1.user_id) save_and_open_page } # It should deny access with an Unauthorised/Forbidden message. it { should have_css('h1', text: "Unauthorised/Forbidden.") } end

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• junit test error - ClassCastException

  - by Josepth Vodary

  When trying to run a junit test I get the following error - java.lang.ClassCastException: business.Factory cannot be cast to services.itemservice.IItemsService at business.ItemManager.get(ItemManager.java:56) at business.ItemMgrTest.testGet(ItemMgrTest.java:49) The specific test that is causing the problem is @Test public void testGet() { Assert.assertTrue(itemmgr.get(items)); } The code it is testing is... public boolean get(Items item) { boolean gotItems = false; Factory factory = Factory.getInstance(); @SuppressWarnings("static-access") IItemsService getItem = (IItemsService)factory.getInstance(); try { getItem.getItems("pens", 15, "red", "gel"); gotItems = true; } catch (ItemNotFoundException e) { // catch e.printStackTrace(); System.out.println("Error - Item Not Found"); } return gotItems; } The test to store items, which is nearly identical, works just fine... The factory class is.. public class Factory { private Factory() {} private static Factory Factory = new Factory(); public static Factory getInstance() {return Factory;} public static IService getService(String serviceName) throws ServiceLoadException { try { Class<?> c = Class.forName(getImplName(serviceName)); return (IService)c.newInstance(); } catch (Exception e) { throw new ServiceLoadException(serviceName + "not loaded"); } } private static String getImplName (String serviceName) throws Exception { java.util.Properties props = new java.util.Properties(); java.io.FileInputStream fis = new java.io.FileInputStream("config\\application.properties"); props.load(fis); fis.close(); return props.getProperty(serviceName); } }

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• Credit card validation with regexp using test()

  - by Matt

  I'm trying to complete some homework and it appears the book might have gotten it wrong. I have a simple html page that allows user to pick a credit card in our case american express. The user then enters a number and evalutes that number based on a regular expression. My question ends up being when test() evaluates the number it returns a boolean or a string? I should then compare that string or boolean? True == true should fire off the code in a nested if statement. Heres what the book gives me as valid code: if(document.forms[0].cardName.value == "American Express") { var cardProtocol = new RegExp("^3[47][0-9]{13}$"); //REGEX ENTRY HERE if(cardProtocol.test(document.forms[0].cardNumber.value)) document.forms[0].ccResult.value = "Valid credit card number"; } The above code doesn't work in firefox. I've tried modifying it with 2 alerts to make sure the number is good and the boolean is good...and still no luck: if(document.forms[0].cardName.value == "American Express") { var cardProtocol = new RegExp("^3[47][0-9]{13}$"); //REGEX ENTRY HERE <------ alert(document.forms[0].cardNumber.value) alert(cardProtocol.test(document.forms[0].cardNumber.value)) if((cardProtocol.test(document.forms[0].cardNumber.value)) == true ) // <--Problem { document.forms[0].ccResult.value = "Valid credit card number"; } else { document.forms[0].ccResult.value = "Invalid credit card number"; } } Any ideas? the if loop is the culprit but I'm not figuring out why it is not working. Please throw up the code for the if loop! Thanks for the help!

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• J2EE Applications, SPARC T4, Solaris Containers, and Resource Pools

  - by user12620111

  I've obtained a substantial performance improvement on a SPARC T4-2 Server running a J2EE Application Server Cluster by deploying the cluster members into Oracle Solaris Containers and binding those containers to cores of the SPARC T4 Processor. This is not a surprising result, in fact, it is consistent with other results that are available on the Internet. See the "references", below, for some examples. Nonetheless, here is a summary of my configuration and results. (1.0) Before deploying a J2EE Application Server Cluster into a virtualized environment, many decisions need to be made. I'm not claiming that all of the decisions that I have a made will work well for every environment. In fact, I'm not even claiming that all of the decisions are the best possible for my environment. I'm only claiming that of the small sample of configurations that I've tested, this is the one that is working best for me. Here are some of the decisions that needed to be made: (1.1) Which virtualization option? There are several virtualization options and isolation levels that are available. Options include: Hard partitions:  Dynamic Domains on Sun SPARC Enterprise M-Series Servers Hypervisor based virtualization such as Oracle VM Server for SPARC (LDOMs) on SPARC T-Series Servers OS Virtualization using Oracle Solaris Containers Resource management tools in the Oracle Solaris OS to control the amount of resources an application receives, such as CPU cycles, physical memory, and network bandwidth. Oracle Solaris Containers provide the right level of isolation and flexibility for my environment. To borrow some words from my friends in marketing, "The SPARC T4 processor leverages the unique, no-cost virtualization capabilities of Oracle Solaris Zones"  (1.2) How to associate Oracle Solaris Containers with resources? There are several options available to associate containers with resources, including (a) resource pool association (b) dedicated-cpu resources and (c) capped-cpu resources. I chose to create resource pools and associate them with the containers because I wanted explicit control over the cores and virtual processors.  (1.3) Cluster Topology? Is it best to deploy (a) multiple application servers on one node, (b) one application server on multiple nodes, or (c) multiple application servers on multiple nodes? After a few quick tests, it appears that one application server per Oracle Solaris Container is a good solution. (1.4) Number of cluster members to deploy? I chose to deploy four big 64-bit application servers. I would like go back a test many 32-bit application servers, but that is left for another day. (2.0) Configuration tested. (2.1) I was using a SPARC T4-2 Server which has 2 CPU and 128 virtual processors. To understand the physical layout of the hardware on Solaris 10, I used the OpenSolaris psrinfo perl script available at http://hub.opensolaris.org/bin/download/Community+Group+performance/files/psrinfo.pl: test# ./psrinfo.pl -pv The physical processor has 8 cores and 64 virtual processors (0-63) The core has 8 virtual processors (0-7)   The core has 8 virtual processors (8-15)   The core has 8 virtual processors (16-23)   The core has 8 virtual processors (24-31)   The core has 8 virtual processors (32-39)   The core has 8 virtual processors (40-47)   The core has 8 virtual processors (48-55)   The core has 8 virtual processors (56-63)     SPARC-T4 (chipid 0, clock 2848 MHz) The physical processor has 8 cores and 64 virtual processors (64-127)   The core has 8 virtual processors (64-71)   The core has 8 virtual processors (72-79)   The core has 8 virtual processors (80-87)   The core has 8 virtual processors (88-95)   The core has 8 virtual processors (96-103)   The core has 8 virtual processors (104-111)   The core has 8 virtual processors (112-119)   The core has 8 virtual processors (120-127)     SPARC-T4 (chipid 1, clock 2848 MHz) (2.2) The "before" test: without processor binding. I started with a 4-member cluster deployed into 4 Oracle Solaris Containers. Each container used a unique gigabit Ethernet port for HTTP traffic. The containers shared a 10 gigabit Ethernet port for JDBC traffic. (2.3) The "after" test: with processor binding. I ran one application server in the Global Zone and another application server in each of the three non-global zones (NGZ):  (3.0) Configuration steps. The following steps need to be repeated for all three Oracle Solaris Containers. (3.1) Stop AppServers from the BUI. (3.2) Stop the NGZ. test# ssh test-z2 init 5 (3.3) Enable resource pools: test# svcadm enable pools (3.4) Create the resource pool: test# poolcfg -dc 'create pool pool-test-z2' (3.5) Create the processor set: test# poolcfg -dc 'create pset pset-test-z2' (3.6) Specify the maximum number of CPU's that may be addd to the processor set: test# poolcfg -dc 'modify pset pset-test-z2 (uint pset.max=32)' (3.7) bash syntax to add Virtual CPUs to the processor set: test# (( i = 64 )); while (( i < 96 )); do poolcfg -dc "transfer to pset pset-test-z2 (cpu $i)"; (( i = i + 1 )) ; done (3.8) Associate the resource pool with the processor set: test# poolcfg -dc 'associate pool pool-test-z2 (pset pset-test-z2)' (3.9) Tell the zone to use the resource pool that has been created: test# zonecfg -z test-z1 set pool=pool-test-z2 (3.10) Boot the Oracle Solaris Container test# zoneadm -z test-z2 boot (3.11) Save the configuration to /etc/pooladm.conf test# pooladm -s (4.0) Results. Using the resource pools improves both throughput and response time: (5.0) References: System Administration Guide: Oracle Solaris Containers-Resource Management and Oracle Solaris Zones Capitalizing on large numbers of processors with WebSphere Portal on Solaris WebSphere Application Server and T5440 (Dileep Kumar's Weblog)  http://www.brendangregg.com/zones.html Reuters Market Data System, RMDS 6 Multiple Instances (Consolidated), Performance Test Results in Solaris, Containers/Zones Environment on Sun Blade X6270 by Amjad Khan, 2009.

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• C# Access the Properties of a Generic Object

  - by Jimbo

  I have a method that counts the number of Contacts each Supplier, Customer and Manufacturer has (this is a scenario to try make explaining easier!) The models are all created by Linq to SQL classes. Each Supplier, Customer and Manufacturer may have one or more Contacts public int CountContacts<TModel>(TModel entity) where TModel : class { return entity.Contacts.Count(); } The above of course doesnt work, because the 'entity' is generic and doesnt know whether it has the property 'Contacts'. Can someone help with how to achieve this?

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• How to unit test C# Web Service with Visual Studio 2008

  - by Steven Behnke

  How are you supposed to unit test a web service in C# with Visual Studio 2008? When I generate a unit test it adds an actual reference to the web service class instead of a web reference. It sets the attributes specified in: http://msdn.microsoft.com/en-us/library/ms243399(VS.80).aspx#TestingWebServiceLocally Yet, it will complete without executing the test. I attempted to add the call to WebServiceHelper.TryUrlRedirection(...) but the call does not like the target since it inherits from WebService not WebClientProtocol. Thanks, Steven

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• Generic method to create deep copy of all elements in a collection

  - by bwarner

  I have various ObservableCollections of different object types. I'd like to write a single method that will take a collection of any of these object types and return a new collection where each element is a deep copy of elements in the given collection. Here is an example for a specifc class private static ObservableCollection<PropertyValueRow> DeepCopy(ObservableCollection<PropertyValueRow> list) { ObservableCollection<PropertyValueRow> newList = new ObservableCollection<PropertyValueRow>(); foreach (PropertyValueRow rec in list) { newList.Add((PropertyValueRow)rec.Clone()); } return newList; } How can I make this method generic for any class which implements ICloneable?

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• First Test Crashes using MSTEST with ASP.NET MVC 1

  - by Trey Carroll

  I'm trying to start using Unit Testing and I want to test the following Controller: public class AjaxController : Controller { ... public JsonResult RateVideo( int userRating, long videoId ) { string userName = User.Identity.Name; ... } } I have a created a TestClass with the following method: [ TestMethod public void TestRateVideo() { //Arrange AjaxController c = new AjaxController(); //Act JsonResult jr = c.RateVideo(1, 1); //Assert //Not implemented yet } I select debug and run the test. When the code reaches the 1st statement: string username = User.Identity.Name; Debugging stops and I am presented with a message that says that the test failed. Any guidance you can offer would be appreciated.

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• How to test localized winforms application?

  - by Sun

  Background: I have created sample windows application for learning to implement localization. My each form has two RESX file. One for Bulgaria and one for French(Belgium). It has default culture English(XX) To test locally currently I am programmatically changing UICulture i.e. Thread.CurrentThread.CurrentUICulture = new CultureInfo("fr-BE"); And it works fine. Problem: How can I test without forcing the UI Culture programatically? I have tried changing Control Panel Regional Options Standard and Formats to French(Belgium). That made changes to DatePickerControl and now it display the dates French. However I can still see the Button text in English, where as if I test by injecting CultureInfo programmatically it changes to french. If I am able to change the standard and formats to French do I still need to Install Multilingual User Interface Pack (MUI)?

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• Use Google Test from Qt in Windows

  - by Dave

  I have a simple test file, TestMe.cpp: #include <gtest/gtest.h> TEST(MyTest, SomeTest) { EXPECT_EQ(1, 1); } int main(int argc, char **argv) { ::testing::InitGoogleTest(&argc, argv); return RUN_ALL_TESTS(); } I have Google Test built as a static library. (I can provide the makefile if it's relevant.) I can compile TestMe.cpp from a command-line with no problem: g++ TestMe.cpp -IC:\gtest-1.5.0\gtest-1.5.0\include -L../gtest/staticlib -lgtest -o TestMe.exe It runs as expected. However, I cannot get this to compile in Qt. My Qt project file, in the same directory: SOURCES += TestMe.cpp INCLUDEPATH += C:\gtest-1.5.0\gtest-1.5.0\include LIBS += -L../gtest/staticlib -lgtest This results in 17 "unresolved external symbol" errors related to gtest functions. I'm pulling my hair out here, as I'm sure it's something simple. Any ideas?

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• Generic Data Structure Description Language

  - by Jon Purdy

  I am wondering whether there exists any declarative language for arbitrarily describing the format and semantics of a data structure, that can be compiled to a specific implementation of that structure in any of a set of target languages. That is, something like a generic data definition language but geared toward describing arbitrary data structures such as vectors, lists, trees, etc., and the semantics of operations on those structures. I ask because I had an idea for a feasible implementation of this concept, and I'm just wondering whether it's worth it, and, consequently, whether it's been done before. Another, slightly more abstract question: is there any real difference between the normative specification of a data structure (what it does) and its implementation (how it does it)?

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• Why is my test not running

  - by Gandalf StormCrow

  Strangest thing happened my test was running ok and now its not anymore I didn't change the code at all here is the exception : Class not found com.example.test java.lang.ClassNotFoundException: com.example.test at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClass(RemoteTestRunner.java:693) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClasses(RemoteTestRunner.java:429) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

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• WebTest Visual Studio Test problems with amf call

  - by Lieven Cardoen

  If I browse to a flex application when recording with VS Test, I can see the calls to WebORB (amf calls). However, when stopping the recording this is what happens: First, Visual Studio detects dynamic parameters, but stays around 20%, and never gets through it. Second, if I cancel the detecting dynamic parameters, and run the web test, the calls to WebORB (amf calls) do not work. In fact, in VS2010, the call to WebORB stays on Submitting... Now, this web test, does it only record url's and query string variables, or does it record the whole request? If it records the whole request, the call to WebORB should work, but it doesn't.

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• Calling generic method in spring.net application context

  - by Bert Vandamme

  Hi, I'm trying to invoke this method in spring.net, but i'm having trouble getting the configuration right. Method: public void AddRepository(IRepository repository) where TEntity : IEntity { Repositories.Add(repository.GetType().Name, repository); } Config: <object type="Spring.Objects.Factory.Config.MethodInvokingFactoryObject, Spring.Core"> <property name="TargetObject"> <ref local="RepositoryFactory" /> </property> <property name="TargetMethod" value="AddRepository"/> <property name="Arguments"> <list> <ref object="BinaryAssetFileRepository"/> </list> </property> </object>" Is it possible to address generic methods in this way? Thx, Bert

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• Is generic Money<T_amount> a good idea?

  - by jdk

  I have a Money Type that allows math operations and is sensitive to exchange rates so it will reduce one currency to another if rate is available to calculate in a given currency, rounds by various methods. It has other features that are sensitive to money, but I need to ask if the basic data type used should be made generic in nature. I've realized that the basic data type to hold an amount may differ for financial situations, for example: retail money might be expressed as all cents using int or long where fractions of cents do not matter, decimal is commonly used for its fixed behaviour, sometimes double seems to be used for big finance and large values sometimes a special BigInteger or 3rd-party type is used. I want to know if it would be considered good form to turn Money into Money<T_amount> so it can be used in any one of the above chosen scenarios?

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• Suggest me solution to track the change in test DB and replicate in Another DB

  - by Parth

  Suggest me solution to track the change in test DB and replicate in Another DB... My Client need a script or any solution, if he has two Database, One Test DB in which he tests his data on test portal and if he find it appropriate he can use those changes to be done in main DB to display on Live site.. Fior this he needs the solution to record or track all updation/deletion/insertion, so that he can do the same in main DB if found appropriate, ** NOTE: ** we hav only on server, no separate server, hence binary log replication doesnt seems to be working for my case...

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• ASP.NET MVC unit test controller with HttpContext

  - by user299592

  I am trying to write a unit test for my one controller to verify if a view was returned properly, but this controller has a basecontroller that accesses the HttpContext.Current.Session. Everytime I create a new instance of my controller is calls the basecontroller constructor and the test fails with a null pointer exception on the HttpContext.Current.Session. Here is the code: public class BaseController : Controller { protected BaseController() { ViewData["UserID"] = HttpContext.Current.Session["UserID"]; } } public class IndexController : BaseController { public ActionResult Index() { return View("Index.aspx"); } } [TestMethod] public void Retrieve_IndexTest() { // Arrange const string expectedViewName = "Index"; IndexController controller = new IndexController(); // Act var result = controller.Index() as ViewResult; // Assert Assert.IsNotNull(result, "Should have returned a ViewResult"); Assert.AreEqual(expectedViewName, result.ViewName, "View name should have been {0}", expectedViewName); } Any ideas on how to mock the Session that is accessed in the base controller so the test in the descendant controller will run?

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• Generic type parameters using out

  - by Mikael

  Im trying to make a universal parser using generic type parameters, but i can't grasp the concept 100% private bool TryParse<T>(XElement element, string attributeName, out T value) where T : struct { if (element.Attribute(attributeName) != null && !string.IsNullOrEmpty(element.Attribute(attributeName).Value)) { string valueString = element.Attribute(attributeName).Value; if (typeof(T) == typeof(int)) { int valueInt; if (int.TryParse(valueString, out valueInt)) { value = valueInt; return true; } } else if (typeof(T) == typeof(bool)) { bool valueBool; if (bool.TryParse(valueString, out valueBool)) { value = valueBool; return true; } } else { value = valueString; return true; } } return false; } As you might guess, the code doesn't compile, since i can't convert int|bool|string to T (eg. value = valueInt). Thankful for feedback, it might not even be possible to way i'm doing it. Using .NET 3.5

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