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  • How to implement wait(); to wait for a notifyAll(); from enter button?

    - by Dakota Miller
    Sorry for the confusion I posted the Worng Logcat info. I updated the question. I want to click Start to start a thread then when enter is clicked i want the thad to continue and get the message and handle the message in the thread then output it to the main thread and update the text view. How would i start a thread to wait for enter to be pressed and get the bundle for the Handler? Here is my Code: public class MainActivity extends Activity implements OnClickListener { Handler mHandler; Button enter; Button start; TextView display; String dateString; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); enter = (Button) findViewById(R.id.enter); start = (Button) findViewById(R.id.start); display = (TextView) findViewById(R.id.Display); enter.setOnClickListener(this); start.setOnClickListener(this); mHandler = new Handler() { <=============================This is Line 31 public void handleMessage(Message msg) { // TODO Auto-generated method stub super.handleMessage(msg); Bundle bundle = msg.getData(); String string = bundle.getString("outKey"); display.setText(string); } }; } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.enter: Message msgin = Message.obtain(); Bundle bundlein = new Bundle(); String in = "It Works!"; bundlein.putString("inKey", in); msgin.setData(bundlein); notifyAll(); break; case R.id.start: new myThread().hello.start(); break; } } public class myThread extends Thread { Thread hello = new Thread() { @Override public void run() { // TODO Auto-generated method stub super.run(); Looper.prepare(); try { wait(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } Handler Mhandler = new Handler() { @Override public void handleMessage(Message msg) { // TODO Auto-generated method stub super.handleMessage(msg); Bundle bundle = msg.getData(); dateString = bundle.getString("inKey"); } }; Looper.loop(); Message msg = Message.obtain(); Bundle bundle = new Bundle(); bundle.putString("outKey", dateString); msg.setData(bundle); mHandler.sendMessage(msg); } }; } } Here is the logcat info: 06-27 00:00:24.832: E/AndroidRuntime(18513): FATAL EXCEPTION: Thread-1210 06-27 00:00:24.832: E/AndroidRuntime(18513): java.lang.IllegalMonitorStateException: object not locked by thread before wait() 06-27 00:00:24.832: E/AndroidRuntime(18513): at java.lang.Object.wait(Native Method) 06-27 00:00:24.832: E/AndroidRuntime(18513): at java.lang.Object.wait(Object.java:364) 06-27 00:00:24.832: E/AndroidRuntime(18513): at com .example.learninghandlers.MainActivity$myThread$1.run(MainActivity.java:77)

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  • Drupal 6: Drupal Themer gives same candidate name for different type of content types

    - by artmania
    Hi friends, I'm a drupal newbie... I have different type of contents like News, Events, etc. and their content is different. News detail page has title-content text-date. but Events detail page has title-date-content text-location-speaker-etc. So I need different layout page for these different types. So, I enabled Drupal Themer to get a candidate name. for events page, it gave me page-node.tpl.php and it gives same for News page as well :( how can I separate these pages? I expected sth like page-event-node.tpl , but no... :/ Drupal Themer also give unique candidate name for event page like page-node-18.tpl.php but it doesnt mean anything since I can not create a general layout for all events by this node name. :( Appreciate helps so much!! Thanks a lot!!!

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  • Michael Hartl's rails tutorial: reusing sessions resource for multiple User types

    - by ntaj
    I'm learning Ruby on Rails through Micheal Hartl's tutorial. In my web application, I require two types of Users, called publishers and subscribers. Currently I have a publishers resource and a subscribers resource. I'd like both of them to be able to use the sessions resource for signin/signout. I'm looking for some direction on how to implement this. Should my publisher and subscriber resource inherit from the User resource, so that, for example, the following code works through polymorphism? def create user = User.find_by_email(params[:session][:email]) if user && user.authenticate(params[:session][:password]) # Sign the user in and redirect to the user's show page. else # Create an error message and re-render the signin form. end end The publisher and subscriber do not have many common fields and different capabilities, so I think they should be modeled as two separate resources, but how to have them share the Sessions resource?

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  • BlackBerry - waiting screen

    - by Pankaj Pareek
    Hello , i am developing one application in blackberry java development. I am requesting to http means i am connecting to web service .response of web service taking some time .That time i want to display some waiting screen. Could you tell me how can i do that.... Regards Pankaj Pareek

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  • N processes and M types of processes - enter and exit cs

    - by sarit
    i was asked to write: enter function and exit function for the following case: there are N processes and M types of processes (NM) tere is a critical section in which all processes with the same type can enter. for example: if type A is in cs, type B cannot enter cs. but all processes with type A can enter. i can use only mutex and "type" which is the type of the process. deadlock is not allowed. do you think this is ok? shared: this.type = -1; mutex m, m1=1; enter{ down(m) if (this.type == process.type) up(m1) down(m1) this.type= process.type up(m) } exit { this.type = -1 up(m1) } thanks! (by the way, this is not HW... i have an exam and im solvig tests from previous years)

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  • Checking existence of file types via extensions bash.

    - by Tommy
    Hi, I need to test if various file types exist in a directory. I've tried $ [ -f *.$fileext] where fileext is the file extension but that does not seem to work. Both of these methods work function checkext() { fileext=$1 ls *.$fileext>/dev/null 2>&1 if [ $? -eq 0 ] then echo "We have $fileext files!" else echo "We don't have any $fileext files!" fi } and function checkext2() { extention=$1 filescheck=(`ls *.$1`) len=${#filescheck[*]} if [ $len -gt 0 ] then echo "We have $extention files!" else if [ $len -eq 0 ] then echo "We don't have any $extention files!" else echo "Error" fi fi } The second method is less tidy as any ls error is shown so I prefer method 1. Could people please suggest any improvements, more elegant solutions e.t.c

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  • WPF DataGrid default column types

    - by Trindaz
    Hi, I'm using a DataGrid to display 2 possible types of DataRow in a DataTable. One type has the column Parent = NULL and the other has Parent set to another DataRow in the same DataTable. The list of column in the DataTable is always different, so explicitly describing each column is not possible. I want to display a UserControl in every cell of the Parent = DataRow rows, and default Text / Check boxes for the Parent = NULL rows. My first strategy is to try and set the default Column type for all automatically generated columns to be a DataGridTemplateColumn, regardless of datatype, so that I can use styles to then use either my UserControl or CheckBox or TextBox where required. How can I do this? More importantly, though, is there a better strategy than this? Cheers, Dave

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  • Simple way to return anonymous types (to make MVC using LINQ possible)

    - by BlueRaja The Green Unicorn
    I'd like to implement MVC while using LINQ (specifically, LINQ-to-entities). The way I would do this is have the Controller generate (or call something which generates) the result-set using LINQ, then return that to the View to display the data. The problem is, if I do: return (from o in myTable select o); All the columns are read from the database, even the ones (potentially dozens) I don't want. And - more importantly - I can't do something like this: return (from o in myTable select new { o.column }); because there is no way to make anonymous types type-safe! I know for sure there is no nice, clean way of doing this in 3.5 (this is not clean...), but what about 4.0? Is there anything planned, or even proposed? Without something like duck-typing-for-LINQ, or type-safe anonymous return values (it seems to me the compiler should certainly be capable of that), it appears to be nearly impossible to cleanly separate the Controller from the View.

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  • MVC using LINQ? - Can't return anonymous types

    - by BlueRaja
    I'd like to implement MVC while using LINQ (specifically, LINQ-to-entities). The way I would do this is have the Controller generate (or call something which generates) the result-set using LINQ, then return that to the View to display the data. The problem is, if I do: return (from o in myTable select o); All the columns are read from the database, even the ones (potentially dozens) I don't want. And - more importantly - I can't do something like this: return (from o in myTable select new { o.column }); because there is no way to make anonymous types type-safe! I know for sure there is no nice, clean way of doing this in 3.5 (this is not clean...), but what about 4.0? Is there anything planned, or even proposed? Without something like duck-typing-for-LINQ, or type-safe anonymous return values (it seems to me the compiler should certainly be capable of that), it appears to be nearly impossible to cleanly separate the Controller from the View.

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  • CA1034: Nested types should not be visible

    - by George
    Here's an explanation of the rule that that I am trying to understand. Here's the simplified code that the Code Analyzer was complaining about: Public Class CustomerSpeed Public Enum ProfitTypeEnum As Integer NotSpecified = 0 FlatAmount = 1 PercentOfProfit = 2 End Enum Private _ProfitTypeEnum As ProfitTypeEnum Public Sub New(ByVal profitType As ProfitTypeEnum) _ProfitTypeEnum = profitType End Sub End Class If the enum pertains only to the class, why is it a bad thing to make it a contained type within the class? Seems neater to me... Does anyone know what is meant by the following line?: Nested types include the notion of member accessibility, which some programmers do not understand clearly Using Namespaces to group the Class and Enum doesn't seem like a useful way to resolve this warning, since I would like both the enum to belong to the same parent level as the class name.

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  • Declaring data types in SQLite

    - by dan04
    I'm familiar with how type affinity works in SQLite: You can declare column types as anything you want, and all that matters is whether the type name contains "INT", "CHAR", "FLOA", etc. But is there a commonly-used convention on what type names to use? For example, if you have an integer column, is it better to distinguish between TINYINT, SMALLINT, MEDIUMINT, and BIGINT, or just declare everything as INTEGER? So far, I've been using the following: INTEGER REAL CHAR(n) -- for strings with a known fixed with VARCHAR(n) -- for strings with a known maximum width TEXT -- for all other strings BLOB BOOLEAN DATE -- string in "YYYY-MM-DD" format TIME -- string in "HH:MM:SS" format TIMESTAMP -- string in "YYYY-MM-DD HH:MM:SS" format (Note that the last three are contrary to the type affinity.)

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  • NuGet: "Unable to load one or more of the requested types"

    - by Joe White
    I installed NuGet into Visual Web Developer 2010 Express, but when I go to Solution Explorer, right-click on a project's "References" folder, and select "Add Library Package Reference", I immediately get this error: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information. There's just an OK button, and no way for me to retrieve the additional information it's telling me about. This is a fresh install of NuGet; I've never installed it on this computer before. How can I fix and/or diagnose this error so I can get NuGet to work?

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  • How To Test if Type is Primitive

    - by DaveDev
    Hi Guys I have a block of code that serializes a type into a Html tag. Type t = typeof(T); // I pass <T> in as a paramter, where myObj is of type T tagBuilder.Attributes.Add("class", t.Name); foreach (PropertyInfo prop in t.GetProperties()) { object propValue = prop.GetValue(myObj, null); string stringValue = propValue != null ? propValue.ToString() : String.Empty; tagBuilder.Attributes.Add(prop.Name, stringValue); } This works great, except I want it to only do this for primitive types, like string, int, double, bool etc. I want it to ignore everything else. Can anyone suggest how I do this? Or do I need to specify the types I want to allow somewhere and switch on the property's type to see if it's allowed? That's a little messy, so it'd be nice if I there was a tidier way.

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  • Tuples of unknown size/parameter types

    - by myahya
    I need to create a map, from integers to sets of tuples, the tuples in a single set have the same size. The problem is that the size of a tuple and its parameter types can be determined at runtime, not compile time. I am imagining something like: std::map<int, std::set<boost::tuple> > but not exctly sure how to exactly do this, bossibly using pointers. The purpose of this is to create temporary relations (tables), each with a unique identifier (key), maybe you have another approach.

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  • Best solution for a comment table for multiple content types

    - by KRTac
    I'm currently designing a comments table for a site I'm building. Users will be able to upload images, link videos and add audio files to the profile. Each of these types of content must be commentable. Now I'm wondering what's the best approach to this. My current options are: 1. to have one big comments table and a link tables for every content type (comments_videos, ...) with comment_id and _id. 2. to have comments separated by the type of content their for. So each type of content would have his own comments table with the comments for that type.

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  • Custom Types in WCF Rest

    - by user316341
    I am using the Rest Singleton WCF Service temple from the Rest Starter Kit. The temples uses sample item as its sample Item. i am attempting to replace that sample ITem with a custom type from web reference in my ASP.Net project .dll. The types and name spaces are found and i can replace the sample item in the code. when i run the application i get this error: "Exception has been thrown by the target of an invocation." when this line is executed "return new SingletonServiceHost(serviceType, baseAddresses);" <%@ ServiceHost Language="C#" Debug="true" Service="SAUDServices.Service" Factory="SAUDServices.AppServiceHostFactory"%> using System; using System.ServiceModel; using System.ServiceModel.Activation; using Microsoft.ServiceModel.Web.SpecializedServices; using Stretchatyourdesk; namespace SAUDServices { class AppServiceHostFactory : ServiceHostFactory { protected override ServiceHost CreateServiceHost(Type serviceType, Uri[] baseAddresses) { return new SingletonServiceHost(serviceType, baseAddresses); } } }

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  • Using Mapped Memory Files in C# to store reference types

    - by Khash
    I need to store a dictionary to a file as fast as possible. Both key and value are objects and not guaranteed to be marked as Serializable. Also I prefer a method faster than serializing thousands of objects. So I looked into Mapped Memory Files support in .NET 4. However, it seems MemoryMappedViewAccessor only allows storage of structs and not reference types. Is there a way of storing the memory used by a reference type of a file and reconstructing the object from that blob of memory (without binary serialization)?

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  • InApp Purchase supported content types

    - by Chandan Shetty SP
    In InApp purchase guide i saw these are the supported content types - Digital Books,Virtual poker chips current games, In-game tool or accessory, etc... And non-supported - Physical books, Virtual poker chips for other games, In-game credits for virtual goods, etc... I didn't understand "In-game credits for virtual goods" what is this? In my game i am using some credits to skip certain levels, if credits are not available user can buy credits through inApp purchase then he can skip level... Is it valid supported content type for In-App purchase?

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  • Which types use a FileNameEditor in a PropertyGrid?

    - by Wolfgang
    I need to change the editor for a property attached to a .net PropertyGrid, but I cannot set the Editor attribute of that property, because the property was generated by a tool, including all attributes. The desired editor is System.Windows.Forms.Design.FileNameEditor I can find many tutorials on the web to assign this editor to string properties by setting the editor attribute, but I cannot set the editor attribute in this case. However, I can advise the code generation tool to behave such that the string property which I want to be edited with the FileNameEditor becomes converted to another property with different type. In order to do so, I would need to know which type is edited by the FileNameEditor as default. I didn't find any list on the web which would tell me for a given editor which types employ this editor automatically when displayed in a PropertyGrid.

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  • Perl Parallel::ForkManager wait_all_children() takes excessively long time

    - by zhang18
    I have a script that uses Parallel::ForkManager. However, the wait_all_children() process takes incredibly long time even after all child-processes are completed. The way I know is by printing out some timestamps (see below). Does anyone have any idea what might be causing this (I have 16 CPU cores on my machine)? my $pm = Parallel::ForkManager->new(16) for my $i (1..16) { $pm->start($i) and next; ... do something within the child-process ... print (scalar localtime), " Process $i completed.\n"; $pm->finish(); } print (scalar localtime), " Waiting for some child process to finish.\n"; $pm->wait_all_children(); print (scalar localtime), " All processes finished.\n"; Clearly, I'll get the Waiting for some child process to finish message first, with a timestamp of, say, 7:08:35. Then I'll get a list of Process i completed messages, with the last one at 7:10:30. However, I do not receive the message All Processes finished until 7:16:33(!). Why is that 6-minute delay between 7:10:30 and 7:16:33? Thx!

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  • Constrain generic extension method to base types and string

    - by hitch
    I want to have an extension method for XElement/XAttribute that allows me to apply a "ValueOrDefault" logic - perhaps with various slightly different implementations: ValueOrNull, ValueOrDefault, NumericValueOrDefault (which validates if the value is numeric), but I want to constrain these methods so that they can only work with ValueTypes or String (i.e. it does not really make sense to use any other reference types. Is it possible to do this with one implementation of each method, or will I have to have one where the constraint is "Structure" and one where the constraint is "String" - if I combine Structure and String in the generic constraint, I get the error : 'Structure' constraint and a specific class type constraint cannot be combined. An example of the current method implementation is as follows: <Extension()> _ Public Function ValueOrDefault(Of T As {Structure})(ByVal xe As XElement, ByVal defaultValue As T) As T If xe Is Nothing or xe.Value = "" Then Return defaultValue End If Return CType(Convert.ChangeType(xe.Value, GetType(T)), T) End Function

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  • Inserting multiple types into an SQLite database with Python

    - by mankoff
    I'm trying to create an SQLite 3 database from Python. I have a few types I'd like to insert into each record: A float, and then 3 groups of n floats, currently a tuple but could be an array or list.. I'm not well-enough versed in Python to understand all the differences. My problem is the INSERT statement. DAS = 12345 lats = (42,43,44,45) lons = (10,11,12,13) times = (1,2,3,4,5,6,7,8,9) import sqlite3 connection = sqlite3.connect("test.db") cursor = connection.cursor() cursor.execute( "create table foo(DAS LONG PRIMARY KEY,lats real(4),lons real(4), times real(9) )" ) I'm not sure what comes next. Something along the lines of: cmd = 'INSERT into foo values (?,?,?,?), ..." cursor.execute(cmd) How should I best build the SQL insert command given this data?

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  • Nhibernate Exception - Return types of SQL query were not specified

    - by Muhammad Akhtar
    I am executing SQL in hibernate and getting exception Return types of SQL query were not specified public ArrayList get(string Release, int DocId) { string query = string.Format("select ti.Id, (' Defect ' + cast(ti.onTimeId as varchar) + ' - ' + ti.Name) as Name from TrackingItems ti inner join DocumentTrackingItems dti on ti.Id = dti.ItemStepId inner join Documents doc on dti.DocumentId = doc.Id where ti.ReleaseId = '{0}' AND doc.TypeId = {1} and Doc.Name is null AND ti.Type = 'Defect'", Release, DocId); ISession session = NHibernateHelper.GetCurrentSession(); ArrayList arList = (ArrayList)session.CreateSQLQuery(query).List(); return arList; } When I run this query in SQL, it working fine. any idea what could be the issue? -------- Thanks.........

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  • Available message types in JMS?

    - by Caylem
    This is based on a past exam question. The question is asking to describe the four types of message available using JMS. The problem is it says the four, not just four. So it assumes their is only four, no more no less. However according to this site their seems to be five; streams maps text objects bytes *Another book states that XML is another potential type in future versions of JMS. Is XML already available? Am I missing something or is the question just wrong? Thanks.

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  • WCF reuse types in referenced assemblies does not reuse the ServiceContract Interface

    - by Matt
    I have three seperate projects: -MyUserControl (Needs a reference to a service implementing IMyService) -MyService (Implements IMyService) -MySharedInterfaces (IMyUserControl and IMyService) -MyWebApp The user control needs to be dynamically loaded at runtime. This implements IMyUserControl and has a property of type IMyService which will be set at runtime. The trouble is even with the option to reuse types the WebApp isn't reusing the IMyServiceType, it always generates it again from the Service Reference. This wouldn't be an issue if I could cast it to MySharedInterfaces.IMyService (which I can't understand, since it should be exactly the same). The user control is expecting something of type IMyService, is there anyway to either cast the WebServiceReference.IMyService back to MySharedInterface.IMyServiceReference or force the WebServiceReference to reuse the MySharedInterface.IMyServiceReference? Thanks

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