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• Faces on WAS 6.1

  - by Nisse

  Hello, I'm running Java Facets on a IBM WebSphere 6.1. I'm getting this strange error message when I start the server: [2009-07-21 15:49:35:784 CEST] 00000015 ServletWrappe E SRVE0100E: Did not realize init() exception thrown by servlet Faces Servlet: java.lang.IllegalStateException: ApplicationAssociate ctor not called in same callstack as FacesConfigParser.contextInitialized(). Does anyone have an idea what's wrong?

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• C# 4: how to in-line detect for nulls?

  - by Dr. Zim

  In C# 4, wasn't there a short cut for checking for null values like so: if( myobject?.myproperty?.myotherproperty?.value != null ) The value would return null and not throw an exception. Anyone have a link to how to use it or at least the syntax?

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• Inline in aspx, stripping date off of datetime

  - by DJGray

  I think if I just show you the following what I'm asking will make sense. In a link in my aspx, this works: ' title='<%# Container.DataItem["EventTime"].ToString() But the above contains the date portion of the string. This does not work (nor does any variant of it): ' title='<%# Container.DataItem["EventTime"].ToString("hh:mm:ss tt", CultureInfo.InvariantCulture) % Evantually, we want the title/hover for the link to read something like "4:30 PM : @Forbes Field" Everything is working with the exception of the 1/1/1900 being in front of the 4:30 How do I get the date off that EventTime datetime field?

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• Unauthorisedaccessexception - how to gain access?

  - by cfan

  I have a winform application to compress and move some files. When I try to access a path on my desktop, I get an unauthorisedaccess exception. I am running visual studio as administrator (says that in the program bar) and I am a full admin on my machine (can access other accounts, etc). How can I acess this path (folder)? One of the problems I have is the folder keeps setting itself to readonly. Thanks

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• Determining if an Activity exists on the current device?

  - by stormin986

  Is there a way to check and see if an Activity exists on your device? If I have a youtube video link I want to specify it open in the YouTube PlayerActivity. However, I don't want to crash if for some reason they don't have it. Is there a way to check and see if the activity exists? I don't think I can catch the runtime exception since startActivity() doesn't throw it.

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• SDWebImage : setImageWithURL fails when used to set image of a UITableViewCell

  - by Chim

  When call setImageWithURL, it fails with following, [UIImageView setImageWithURL:placeholderImage:]: unrecognized selector sent to instance 0x149a20 2011-12-14 18:11:38.060 [781:707] Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIImageView setImageWithURL:placeholderImage:]: unrecognized selector sent to instance 0x149a20' I can confirm I have included SDWebImage project and required headers correctly as I can use the SDWebImageManager successfully. Following is the code where I called the UIImageView category method setImageWithURL NSURL* url = [NSURL URLWithString:@"www.abc.com/abc.png"]; [cell.imageView setImageWithURL:url placeholderImage:[UIImage imageNamed:@"abc.png"]];

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• Why doesn't HashTable.Contains() just simply return false if it is passed a null?

  - by Nate Pinchot

  I understand why passing a null to HashTable.Contains() doesn't work, but I don't understand what the point of it throwing an ArgumentNullException is - instead of just simply returning false? What is the benefit of throwing the exception (other than to make me do null checks before calling .Contains())? Caused By [System.ArgumentNullException] Key cannot be null. Parameter name: key at System.Collections.Hashtable.ContainsKey(Object key) at System.Collections.Hashtable.Contains(Object key)

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• Serializing and Deserializing External Assembly in C#

  - by Heka

  I wrote a plugin system and I want to save/load their properties so that if the program is restarted they can continue working. I use binary serialization. The problem is they can be serialized but not deserialized. During the deserialization "Unable to find assembly" exception is thrown. How can I restore serialized data?

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• In C# ,how do I terminate a thread that has had its call stack corrupted?

  - by Emil D

  I have a thread in my application that is running code that can potentially cause call stack corruption ( my application is a testing tool for dlls ). Assuming that I have a method of detecting if the child thread is misbehaving, how would I terminate it? From what I read, calling Thread.Abort() on the misbehaving thread would be equivalent to raising an exception inside it.I fear that that not be a good idea, provided the call stack of the thread might be corrupted.Any suggestions?

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• Hibernate Native Query problem with named parameters

  - by dime

  I have a problem with Hibernate Native Query. I have one SELECT that selects array slice (PostgreSQL database). The problem is that hibernate recognizes the following part: ":300" from "SELECT my_array[1:300]..." as named parameter and I get the following exception: Not all named parameters have been set. I tried to escape the colon (:) with '\:' , '::' but with no success. The Hibernate version is 3.2

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• embedding dll requirement in program

  - by JGC

  hi I am writing a C# Windows application program and I'm using an add-on for creating chart in it,but when I run this program on another windows which has .net framework but not that package it does not work and give me exception. I want to know how can I correct this problem even with setup file? and if the answer is setup file then how should I do that? thank you

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• What exactly this error is?

  - by user144842

  Database i am using is MySQL 5.1. I specified, i believe, right connectionstring in my web.config. but when i run my web app. it throws this exception:- MySql.Data.MySqlClient.MySqlException: The user specified as a definer ('root'@'%') does not exist Any help. Why am i getting this?

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• WPF User Control loading twice

  - by deepak

  Hai am having a WPF user control, when i use that control in another window it loading twice, so its throwing exception for me, coz am having some function in usercontrol_loaded event, when it loading twice it throwing error, is there any other way to check if the usercontrol is loaded like that, else how to solve this issue.

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• How do I check whether the table has a record with a primary key values?

  - by KIM

  I have a exception to prevent inserting same records on my oracle. I've haerd that COUNT(*) has lots of cost which I don't want to use. Is there any alternative way to make it at least cost?

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• How do I set a resource file to non-embedded

  - by themaninthesuitcase

  In Visual studio 2008 is it possible to have a resource file that is included as a separate file after compilation rather than as an embedded resource. This is to enable small changes to be rolled out more easily. I have tried build options of Resource, None, Compile and also copy local on and off for most of these. However when ever I try access the resource at run time I get a cannot find resource exception. Is this actually possible or am I wasting my time?

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• Actual use of finally block

  - by Jibu P C_Adoor

  I asked to my friend about this question, he said that it is used for destroying the object created during the exception handling. But in c# GC is there for destroying such kinds of unused objects, then what is the actual use of finally block. Tell me with a scenario related to that.

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• How to list available instances of SQL Servers using SMO in C#?

  - by Cute

  Hi Can anybody explain me what I wrong I am doing in the following piece of code: DataTable dt=SmoApplication.EnumAvailableSqlServer(true); Server sr = new Server("Test"); foreach(DataBase db in sr.DataBases) { Console.WriteLine(db["name"]); } It gives an exception in sr.Databases that can not be connected.

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• How Can I Remove The 'file:\\' From the Return Value of Path.GetDirectoryName() in C#

  - by Nano HE

  string path = Path.GetDirectoryName( Assembly.GetAssembly(typeof(MyClass)).CodeBase); output: file:\d:\learning\cs\test\test.xml What's the best way to return only d:\learning\cs\test\test.xml file:\\ will throw exception when I call doc.Save(returnPath) ,however doc.Load(returnPath); works well. Thank you.

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• scala 2.8 implict java collections conversions

  - by nablik

  I have problem with JavaConversions with 2.8 beta: import scala.collection.JavaConversions._ class Utils(dbFile : File, sep: String) extends IUtils { (...) def getFeatures() : java.util.List[String] = csv.attributes.toList } And then exception: [INFO] Utils.scala:20: error: type mismatch; [INFO] found : List[String] [INFO] required: java.util.List[String] [INFO] def getFeatures() : java.util.List[String] = csv.attributes.toList [INFO]

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• python print end=' '

  - by Hath

  i have this python script where i need to run 'gdal_retile.py' but i get this an exception on this line: if Verbose: print(Building internam Index for %d tile(s) ..." % len(inputTiles), end=' ') the end='' is invalid syntax just curious as to why.. and what the author probably meant to do. I'm new to python if you haven't already guessed.

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• Adding elements to dropdownlist through javascript

  - by rocksolid

  Am unable to add elements to a dropdown list via Javascript. The below piece of code works in IE and Chrome, but not in firefox. ddlId.add(new Option("",0)); In firefox, I keep getting an 'Not enough arguments' exception. Any idea on how to resolve it? Thanks

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• C# Reflection: How to call method of interface without creating instance?

  - by jitm

  Hello, I have situation where I have to call method of interface using reflection, like this object x = null; MethodInfo method = interfaceExists.GetMethod("ShutDown"); method.Invoke(x, new object[] { 4 }) As you can see I do not create instance of object! And, as I can supposed, I receive exception Non-static method requires a target And Question, Can I call method of interface using reflection without creating instance of interface and if YES, How I can do it ? Thank you.

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• Connection reset SQLException with jetty

  - by robinmag

  Hi, I've switched my webserver from tomcat to jetty and encounter a "java.sql.SQLException: Io exception: Connection reset" when back from idle time (eg. i go out for a while) :( This issue doesn't appear when i use tomcat. Does it come from jetty or i've done something wrong ? Thank you!

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• Is the following array really multidimensional?

  - by flockofcode

  Book I’ learning from claims that intArray has two dimensions. But since calling intArray.GetLength(1) will result in an IndexoutOfRange exception, couldn’t we claim that unlike rectangular arrays, intArray isn’t really multidimensional and thus has only one dimension? int[][] intArray=new int[3][]; thank you

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• java oracle cusor is closed where cursor is not return to jdbc

  - by optimus

  I am executing a stored procedure which has 2 cusors within the stored procedure. The 1st cursor which is not return to the jdbc as a resultset is closed within the stored procedure. The 2nd cursor which returns the resultset to the jdbc is not closed within the stored procedure. Upon executing I encounter cursor is closed exception which is puzzling. Since the ResultSet will close all underlying cursor upon invoking the close() method

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