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• Drag and drop onto Python script in Windows Explorer

  - by grok

  I would like to drag and drop my data file onto a Python script and have it process the file and generate output. The Python script accepts the name of the data file as a command-line parameter, but Windows Explorer doesn't allow the script to be a drop target. Is there some kind of configuration that needs to be done somewhere for this work?

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• Android Custom View to Activity communication

  - by Blumer

  I have a custom control/view that observes the direction of a gesture within its bounds. I would like to send a different message back to the Activity hosting the View depending on the direction of the gesture. I'm having a hard time determine what the right way to do this is. I would think I could raise a custom event in the control and then stick a listener on the control in the activity, but I cannot find any information on custom events in Android. Any help would be appreciated. Thanks.

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• Notify a service from a PhoneStateListener

  - by LucaB

  Hi I have built an application that listen to call state changes, and I want to notify a service when the call_state became IDLE. All the components I have are functional, I just need to notify (not start) a service for this. What's the correct practice, maybe using AIDL? Because, in a PhoneStateListener, I can't bind to a service. Do I have to start an activity for that?

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• Spring MVC handle button event in list

  - by GigaPr

  Hi, i created a list of Users <div class="usersList"> <c:forEach items="${users}" var="user"> <div class="listElementAction"> <c:out value="${user.id}"/> </div> <div class="listElement"> <c:out value="${user.firstName}"/> </div> <div class="listElement"> <c:out value="${user.lastName}"/> </div> <div class="listElement"> <c:out value="${user.username}"/> </div> <div class="listElementAction"> <input type="button" name="Edit" title="Edit" value="Edit" /> </div> <div class="listElementAction"> <input type="image" src="images/delete.png" name="image" value="${user.id}" alt="Delete" onclick="return confirm('Do you want to delete ${user.username}?')" > </div> <br /> </c:forEach> </div> and my controler looks like this public class UsersController implements Controller { private UserServiceImplementation userServiceImplementation; public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ModelAndView modelAndView = new ModelAndView("users"); modelAndView.addObject("users", this.userServiceImplementation.get()); return modelAndView; } public UserServiceImplementation getUserServiceImplementation() { return userServiceImplementation; } public void setUserServiceImplementation(UserServiceImplementation userServiceImplementation) { this.userServiceImplementation = userServiceImplementation; } } How can i handle the delete and edit button event?

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• PDO prepare silently fails

  - by Wabbitseason

  I'm experimenting with PHP's session_set_save_handler and I'd like to use a PDO connection to store session data. I have this function as a callback for write actions: function _write($id, $data) { logger('_WRITE ' . $id . ' ' . $data); try { $access = time(); $sql = 'REPLACE INTO sessions SET id=:id, access=:access, data=:data'; logger('This is the last line in this function that appears in the log.'); $stmt = $GLOBALS['db']->prepare($sql); logger('This never gets logged! :('); $stmt->bindParam(':id', $id, PDO::PARAM_STR); $stmt->bindParam(':access', $access, PDO::PARAM_INT); $stmt->bindParam(':data', $data, PDO::PARAM_STR); $stmt->execute(); $stmt->closeCursor(); return true; } catch (PDOException $e) { logger('This is never executed.'); logger($e->getTraceAsString()); } } The first two log messages always show up, but the third one right after $stmt = $GLOBALS['db']->prepare($sql) never makes it to the log file and there's no trace of an exception either. The sessions db table remains empty. The log message from the _close callback is always present. Here's how I connect to the database: $db = new PDO('mysql:host=' . DBHOST . ';dbname=' . DBNAME, DBUSER, DBPASS); $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); I have PHP 5.2.10. I tried to simply run $GLOBALS['db']->exec($sql) with a "manually prepared" $sql content, but it still failed silently. The query itself is all right I was able to execute it via the db console.

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• The submitHandler is not binded to the form after loading. why?

  - by Alex

  $(".normalform").click( function() { var hrf = $(this).attr("href"); var typ = $(this).attr("frm_type"); var cls = $(this).attr("class"); var nam = $(this).attr("frm_nam"); var url = $(this).attr("url"); //alert("href:"+hrf+", "+"type:"+typ+", "+"class:"+cls+", "+"name:"+nam+", "+"url:"+url+", "); $("#contentContainer").load(url, null, function() { //start validate : normalform jQuery("#normalform").validate({ submitHandler: function(form) { $('#submitbutton').attr('disabled', 'disabled'); jQuery("#normalform").ajaxSubmit({ target: "#result", error: function () { $('#submitbutton').removeAttr('disabled'); alert('Submission Error ! Try again.'); }, success: function (data) { $('#submitbutton').removeAttr('disabled'); }, clearForm: true }); } }); //end validate : normalform }); });

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• email tracking image duplicate requests

  - by DEH

  I am embedding tracking images within emails that are being sent from a custom-built opt-in CRM system. The image src is an encoded .gif, such as src="12_34_675.gif". The image is served by an ASP.NET httphandler that decodes the src encoding and serves a transparent image. Everything works fine, but some email clients request the image multiple times, creating duplicate entries. Some clients make three calls all within one second, and some seem to make tens of calls over a day or so. Mostly email clients make single calls, but these few duplicates are very perplexing. I know I can code around them, but I'd really like to understand what's going on. I've checked the IIS log files, which show that the duplicate requests are coming from the client machines. I can't think what might be causing these duplicate http requests. Help!

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• Call Javascript method from .ashx file

  - by Prasad Jadhav

  From my previous question(Create json using JavaScriptSerializer), In .ashx file I am printing the json object using: context.Response.ContentType = "application/json"; context.Response.Write(json); I am calling this .ashx file from default.aspx which has some javascript function inside its <head> tag. My question is : How will I be able to call the javascript function from .ashx file after context.Response.Write(json);?

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• javascript error listener

  - by John Doe

  hi all i try using window.attachEvent (or addEventListener) to capture js errors my callback function gets only one event parameter my question is: how do i get line number and source file of the error from this event? the alternative usage window.onerror=callback; works but an event listener has other benefits thus im giving it a try

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• applescript click every element via gui scripting

  - by user141146

  Hi, I'd like to iterate through every element on an iTunes window and try to click on each element. I'd also like to write to a text file showing each element that I've clicked. The code that I wrote below isn't working. Specifically, I get the error process "iTunes" doesn’t understand the click_an_element message. Thoughts on what I'm doing wrong? Thanks!! tell application "iTunes" to activate tell application "System Events" tell process "iTunes" set elements to get entire contents of window "iTunes" repeat with i from 1 to (length of elements) set ele to item i of elements click_an_element(ele) show_what_you_clicked(ele) end repeat end tell end tell -------handlers------------ to click_an_element(an_element) tell application "iTunes" to activate tell application "System Events" tell process "iTunes" try click an_element end try end tell end tell end click_an_element to show_what_you_clicked(thing_to_type) tell application "TextEdit" to activate tell application "System Events" tell process "TextEdit" keystroke thing_to_type key code 36 end tell end tell end show_what_you_clicked

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• jqGrid - how do I resize not just the TD but also TD inner DIV when TH (column) is resized?

  - by Brandon

  I need to catch the event where the columns are resized. How do I do that?

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• catching erros and exiting

  - by apple pie

  In python, is there a way to exit a class after testing a condition, without exiting out of python? say i have the class class test(): def __init__(self): self.a = 2 def create_b(self): self.b = 3 def does_b_exist(self): if <self.b doesnt exist>: #terminate self.b += 1 try/except` doesnt work since the rest of the program doesnt terminate after failing. im basically trying to catch an error, and do what python does when it shows you errors, but i cant figure out how to do it

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• GAE app.yaml appears to be inconsistently routing requests

  - by kamens

  I have the following in app.yaml: - url: /gae_mini_profiler/static static_dir: gae_mini_profiler/static - url: /gae_mini_profiler/.* script: gae_mini_profiler/main.py - url: .* script: main.py and the following in gae_mini_profiler/main.py: def main(): logging.critical("gae_mini_profiler request!") run_wsgi_app(application) However, when I fire requests to, say, /gae_mini_profiler/request?request=ABC, and repeatedly reload the page, sometimes I will get the proper response (as well as a "gae_mini_profiler request!" log entry, and sometimes I get a blank response and nothing in the App Engine logs other than a 200 with an empty response body. This is completely reproducible, only happens in the live environment, and I'd say ~50% of the refreshes work while 50% do not. This only happens in production. Any ideas?

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• iTextSharp error - cannot convert type 'Collections.Generic.List' to 'iTextSharp.text.Element'

  - by mike

  I am trying to export pdf file using aspx and c#. I got the following error. Cannot implicitly convert type 'System.Collections.Generic.List'' to 'iTextSharp.text.Element' I have the following code using iTextSharp.text; using iTextSharp.text.pdf; using iTextSharp.text.html.simpleparser; StringBuilder strB = new StringBuilder(); document.Open(); if (text.Length.Equals(0))//export the text { GridView1.DataBind(); using (StringWriter sWriter = new StringWriter(strB)) { using (HtmlTextWriter htWriter = new HtmlTextWriter(sWriter)) { GridView1.RenderControl(htWriter); } } } else //export the grid { strB.Append(text); } using (TextReader sReader = new StringReader(strB.ToString())) { StyleSheet styles = new StyleSheet(); List<Element> list = new List<Element>(); list = HTMLWorker.ParseToList(sReader, styles); foreach (IElement elm in list) { document.Add(elm); } } I got the error in this line: list = HTMLWorker.ParseToList(sReader, styles); It's the first time that I am trying to export pdf files. I tried to cast the list element , however this did not solve my error. Any advice would be helpful!!!

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• Spring 3 DI using generic DAO interface

  - by Peders

  I'm trying to use @Autowired annotation with my generic Dao interface like this: public interface DaoContainer<E extends DomainObject> { public int numberOfItems(); // Other methods omitted for brevity } I use this interface in my Controller in following fashion: @Configurable public class HelloWorld { @Autowired private DaoContainer<Notification> notificationContainer; @Autowired private DaoContainer<User> userContainer; // Implementation omitted for brevity } I've configured my application context with following configuration <context:spring-configured /> <context:component-scan base-package="com.organization.sample"> <context:exclude-filter expression="org.springframework.stereotype.Controller" type="annotation" /> </context:component-scan> <tx:annotation-driven /> This works only partially, since Spring creates and injects only one instance of my DaoContainer, namely DaoContainer. In other words, if I ask userContainer.numberOfItems(); I get the number of notificationContainer.numberOfItems() I've tried to use strongly typed interfaces to mark the correct implementation like this: public interface NotificationContainer extends DaoContainer<Notification> { } public interface UserContainer extends DaoContainer<User> { } And then used these interfaces like this: @Configurable public class HelloWorld { @Autowired private NotificationContainer notificationContainer; @Autowired private UserContainer userContainer; // Implementation omitted... } Sadly this fails to BeanCreationException: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.organization.sample.dao.NotificationContainer com.organization.sample.HelloWorld.notificationContainer; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [com.organization.sample.NotificationContainer] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} Now, I'm a little confused how should I proceed or is using multiple Dao's even possible. Any help would be greatly appreciated :)

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• Help me understand these generic method warnings

  - by Raj

  Folks, I have a base class, say: public class BaseType { private String id; ... } and then three subclasses: public class TypeA extends BaseType { ... } public class TypeB extends BaseType { ... } public class TypeC extends BaseType { ... } I have a container class that maintains lists of objects of these types: public class Container { private List<TypeA> aList; private List<TypeB> bList; private List<TypeC> cList; // finder method goes here } And now I want to add a finder method to container that will find an object from one of the lists. The finder method is written as follows: public <T extends BaseType> T find( String id, Class<T> clazz ) { final List<T> collection; if( clazz == TypeA.class ) { collection = (List<T>)aList; } else if( clazz == TypeB.class ) { collection = (List<T>)bList; } else if( clazz == TypeC.class ) { collection = (List<T>)cList; } else return null; for( final BaseType value : collection ) { if( value.getId().equals( id ) ) { return (T)value; } } return null; } My question is this: If I don't add all the casts to T in my finder above, I get compile errors. I think the compile should be able to infer the types based on parametrization of the generic method (). Can anyone explain this? Thanks. -Raj

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• Performance penalty of typecasting and boxing/unboxing types in C# when storing generic values

  - by kitsune

  I have a set-up similar to WPF's DependencyProperty and DependencyObject system. My properties however are generic. A BucketProperty has a static GlobalIndex (defined in BucketPropertyBase) which tracks all BucketProperties. A Bucket can have many BucketProperties of any type. A Bucket saves and gets the actual values of these BucketProperties... now my question is, how to deal with the storage of these values, and what is the penalty of using a typecasting when retrieving them? I currently use an array of BucketEntries that save the property values as simple objects. Is there any better way of saving and returning these values? Beneath is a simpliefied version: public class BucketProperty<T> : BucketPropertyBase { } public class Bucket { private BucketEntry[] _bucketEntries; public void SaveValue<T>(BucketProperty<T> property, T value) { SaveBucketEntry(property.GlobalIndex, value) } public T GetValue<T>(BucketProperty<T> property) { return (T)FindBucketEntry(property.GlobalIndex).Value; } } public class BucketEntry { private object _value; private uint _index; public BucketEntry(uint globalIndex, object value) { ... } }

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• Structuremap and generic types

  - by James D

  Hi I have a situation which seems a bit different from others I've seen. For clarrification, this isn't the normal question eg; something like IAClass maps to AClass etc - that involves using basically a single concrete classes per interface. This involves having a single generic class, but I want to be able to load ALL possible usages of it. Eg - the main class is of public class MyClass<TDomainObject> : IMyClass<TDomainObject> where TDomainObject : DomainObject So example usages would be IMyClass<Person> p = new MyClass<Person>; IMyClass<Employer> p = new MyClass<Employer>; I.e. for all DomainObjects I would like to be able to load a MyClass< for. So you can see I don't use a specific class for each declaration, they all use the same one. How would I get this loaded into StructureMap?

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• A generic error in GDI+ with ToolStrip in ManagerRenderMode

  - by volody

  I have a vb.net form with ToolStrip menu RenderMode - ManagerRenderMode LayoutStyle - HorizontalStackWithOverflow My development environment is .net 4.0, VS2010, windows 7 x64; but occasionally I am getting next error A generic error occurred in GDI+. Stacktrace: at System.Drawing.Graphics.CheckErrorStatus(Int32 status) at System.Drawing.Graphics.FillRectangle(Brush brush, Int32 x, Int32 y, Int32 width, Int32 height) at System.Drawing.Graphics.FillRectangle(Brush brush, Rectangle rect) at System.Windows.Forms.ToolStripProfessionalRenderer.FillWithDoubleGradient(Color beginColor, Color middleColor, Color endColor, Graphics g, Rectangle bounds, Int32 firstGradientWidth, Int32 secondGradientWidth, LinearGradientMode mode, Boolean flipHorizontal) at System.Windows.Forms.ToolStripProfessionalRenderer.RenderToolStripBackgroundInternal(ToolStripRenderEventArgs e) at System.Windows.Forms.ToolStripProfessionalRenderer.OnRenderToolStripBackground(ToolStripRenderEventArgs e) at System.Windows.Forms.ToolStripRenderer.DrawToolStripBackground(ToolStripRenderEventArgs e) at System.Windows.Forms.ToolStrip.OnPaintBackground(PaintEventArgs e) at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer) at System.Windows.Forms.Control.WmPaint(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ToolStrip.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

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• Formula parsing / evaluation routine or library with generic DLookup functionality

  - by tbone

  I am writing a .Net application where I must support user-defined formulas that can perform basic mathematics, as well as accessing data from any arbitrary table in the database. I have the math part working, using JScript Eval(). What I haven't decided on is what a nice way is to do the generic table lookups. For example, I may have a formula something like: Column: BonusAmount Formula: {CurrentSalary} * 1.5 * {[SystemSettings][Value][SettingName=CorpBonus AND Year={Year}]} So, in this example I would replace {xxx} and {Year} with the value of Column xxx from the current table, and I would replace the second part with the value of (select Value from SystemSettings WHERE SettingName='CorpBonus' AND Year=2008) So, basically, I am looking for something very much like the MS Access DLookup function: DLookup ( expression, domain, [criteria] ) DLookup("[UnitPrice]", "Order Details", "OrderID = 10248") But, I also need to overall parsing routine that can tell whether to just look up in the current row, or to look into another table. Would also be nice to support aggregate functions (ie: DAvg, DMax, etc), as well as all the weird edge cases handled. So I wonder if anyone knows of any sort of an existing library, or has a nice routine that can handle this formula parsing and database lookup / aggregate function resolution requirements.

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• Generic allocator class without variadic templates?

  - by rainer

  I am trying to write a generic allocator class that does not really release an object's memory when it is free()'d but holds it in a queue and returns a previously allocated object if a new one is requested. Now, what I can't wrap my head around is how to pass arguments to the object's constructor when using my allocator (at least without resorting to variadic templates, that is). The alloc() function i came up with looks like this: template <typename... T> inline T *alloc(const &T... args) { T *p; if (_free.empty()) { p = new T(args...); } else { p = _free.front(); _free.pop(); // to call the ctor of T, we need to first call its DTor p->~T(); p = new( p ) T(args...); } return p; } Still, I need the code to be compatible with today's C++ (and older versions of GCC that do not support variadic templates). Is there any other way to go about passing an arbitrary amount of arguments to the objects constructor?

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• WPF Designer has bug with parsing generic control with overrided property

  - by Ivan Laktyunkin

  I've created a generic lookless control with virtual property: public abstract class TestControlBase<TValue> : Control { public static readonly DependencyProperty ValueProperty; static TestControlBase() { ValueProperty = DependencyProperty.Register("Value", typeof(TValue), typeof(TestControlBase<TValue>)); } protected TestControlBase() { Focusable = false; Value = default(TValue); } public virtual TValue Value { get { return (TValue)GetValue(ValueProperty); } set { SetValue(ValueProperty, value); } } } Then I've made a control derived from it and overrided Value property: public class TestControl : TestControlBase<int> { public override int Value { get { return base.Value; } set { base.Value = value; } } } So I use it in a Window XAML: <TestControls:TestControl /> When I open window in designer all is OK, but when I put mouse cursor to this line, or to this control in designer I receive exception: Exception has been thrown by the target of an invocation. at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) at System.Delegate.DynamicInvokeImpl(Object[] args) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler) Ambiguous match found. at System.RuntimeType.GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) at System.Type.GetProperty(String name) at MS.Internal.ComponentModel.DependencyPropertyKind.get_IsDirect() at MS.Internal.ComponentModel.DependencyPropertyKind.get_IsAttached() at MS.Internal.ComponentModel.APCustomTypeDescriptor.GetProperties(Attribute[] attributes) at MS.Internal.ComponentModel.APCustomTypeDescriptor.GetProperties() at System.ComponentModel.TypeDescriptor.TypeDescriptionNode.DefaultExtendedTypeDescriptor.System.ComponentModel.ICustomTypeDescriptor.GetProperties() at System.ComponentModel.TypeDescriptor.GetPropertiesImpl(Object component, Attribute[] attributes, Boolean noCustomTypeDesc, Boolean noAttributes) at System.ComponentModel.TypeDescriptor.GetProperties(Object component) at MS.Internal.Model.ModelPropertyCollectionImpl.GetProperties(String propertyNameHint) at MS.Internal.Model.ModelPropertyCollectionImpl.<GetEnumerator>d__0.MoveNext() at MS.Internal.Designer.PropertyEditing.Model.ModelPropertyMerger.<GetFirstProperties>d__0.MoveNext() at MS.Internal.Designer.PropertyEditing.PropertyInspector.UpdateCategories(Selection selection) at MS.Internal.Designer.PropertyEditing.PropertyInspector.OnSelectionChangedIdle() Who know this problem? Please explain :) I have no ideas except that WPF Designer doesn't like generics. If I replace generics by Object all is OK.

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• Using LINQ in generic collections

  - by Hugo S Ferreira

  Hi, Please consider the following snippet from an implementation of the Interpreter pattern: public override object Execute(Interpreter interpreter, object ctx) { var list = ctx as IEnumerable<string>; return (list != null) ? list.FirstOrDefault() : null; } What about if I want to use the same function for integers? public override object Execute(Interpreter interpreter, object ctx) { var list = ctx as IEnumerable<string>; if (list != null) return list.FirstOrDefault(); var list = ctx as IEnumerable<int>; return (list != null) ? list.FirstOrDefault() : null; } What I wanted was something like: public override object Execute(Interpreter interpreter, object ctx) { var list = ctx as IEnumerable; return (list != null) ? list.FirstOrDefault() : null; } But Linq doesn't act on IEnumerables. Instead, to get to this solution, I would be forced to write something like: public override object Execute(Interpreter interpreter, object ctx) { var list = ctx as IEnumerable; if (list != null) foreach(var i in list) { yield return i; return; } return null; } Or use a generic method: public override T Execute<T>(Interpreter interpreter, object ctx) { var list = ctx as IEnumerable<T>; return (list != null) ? list.FirstOrDefault() : null; } Which would break the Interpreter pattern (as it was implemented in this system). Covariance would also fail (at least in C#3), though would it work, it would be the exact behavior I wanted: public override object Execute(Interpreter interpreter, object ctx) { var list = ctx as IEnumerable<object>; return (list != null) ? list.FirstOrDefault() : null; } So, my question is: what's the best way to achieve the intended behavior? Thanks :-)

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• How to simply a foreach iteration using reflection

  - by Priya

  Consider that I have to get the overall performance of X. X has Y elements and Y in turn has Z elements which inturn has some N elements. To get the performance of X I do this: List<double> XQ = new List<double>(); foreach (Elem Y in X.Y){ List<double> YQ = new List<double>(); foreach (Elem Z in Y.Z){ List<double> ZQ = new List<double>(); foreach (Elem N in Z.N){ ZQ.Add(GetPerformance(N)); } YQ.Add(AVG(ZQ)); } XQ.Add(AVG(YQ)); } AVG of XQ list gives the performance of X. The performance can be calculated for either X or Y or for Z. X, Y and Z share the same base class. So depending on the item given the foreach loop has to be executed. Currently I have a switch case to determine each item (X or Y or Z) and the foreach loop is repeated in the code pertaining to the item (eg. If Y foreach starts from Y.Z). Is is possible to convert this whole code generic using reflection instead of having to repeat it in each switch case? Thanks

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• Create Generic method constraining T to an Enum

  - by johnc

  I'm building a function to extend the Enum.Parse concept that allows a default value to be parsed in case that an Enum value is not found Is case insensitive So I wrote the following public static T GetEnumFromString<T>(string value, T defaultValue) where T : Enum { if (string.IsNullOrEmpty(value)) return defaultValue; foreach (T item in Enum.GetValues(typeof(T))) { if (item.ToString().ToLower().Equals(value.Trim().ToLower())) return item; } return defaultValue; } I am getting a Error Constraint cannot be special class 'System.Enum' Fair enough, but is there a workaround to allow a Generic Enum, or am I going to have to mimic the Parse function and pass a type as an attribute, which forces the ugly boxing requirement to your code. EDIT All suggestions below have been greatly appreciated, thanks Have settled on (I've left the loop to maintain case insensitivity - I am usng this when parsing XML) public static class EnumUtils { public static T ParseEnum<T>(string value, T defaultValue) where T : struct, IConvertible { if (!typeof(T).IsEnum) throw new ArgumentException("T must be an enumerated type"); if (string.IsNullOrEmpty(value)) return defaultValue; foreach (T item in Enum.GetValues(typeof(T))) { if (item.ToString().ToLower().Equals(value.Trim().ToLower())) return item; } return defaultValue; } }

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