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  • Invoke target throwing invalid cross-thread operate exception

    - by sqwerty
    MethodInfo mi = typeof(NotifyIcon).GetMethod("ShowContextMenu", BindingFlags.Instance | BindingFlags.NonPublic); mi.Invoke(notify, null); This throws the following exception: {"Exception has been thrown by the target of an invocation."} With the following inner exception: "Cross-thread operation not valid: Control '' accessed from a thread other than the thread it was created on." If I comment out a line of code that sets the images for the context menu entries then it stops throwing the exception. Any ideas?

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  • patterns in case statement in bash scripting

    - by Ramiro Rela
    The man says that case statements use "filename expansion pattern matching". I usually want to have short names for some parameters, so I go: case $1 in req|reqs|requirements) TASK="Functional Requirements";; met|meet|meetings) TASK="Meetings with the client";; esac logTimeSpentIn "$TASK" I tried patterns like "req*" or "me{e,}t" which I understand would expand correctly to match those values in the context of filename expansion, but it doesn't work. Thanks.

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  • Printing a file to a printer in Ruby

    - by Shreyans
    I need help with sending a formatted text to a printer using Ruby on Ruby on Rails OR sending a pdf file to a printer from Ruby program. I can write the code to create a pdf file from Rails app but don't know how to print that pdf file to a default printer. I am trying to write a small ticketing application with Ruby on Rails. Please help. Shreyans

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  • I cannot get mlocManager.removeUpdates(mlocListener); to work

    - by Colin
    I have an app that uses the LocationManage functions which works well until the app is stopped or paused. The location listener function is still carrying on in the background. Relevant bits of code follow. When I click home or back the onstop() function is being triggered correctly. package uk.cr.anchor; import android.app.Activity; import android.content.Context; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.media.MediaPlayer; import android.media.RingtoneManager; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.widget.EditText; import android.widget.TableRow; import android.widget.Toast; import android.widget.ToggleButton; import android.content.SharedPreferences; import android.graphics.Color; public class main extends Activity { /** Called when the activity is first created. */ private LocationManager mlocManager; private LocationListener mlocListener; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); LocationManager mlocManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE); LocationListener mlocListener = new MyLocationListener(); mlocManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, mlocListener); } @Override protected void onStop(){ stoplistening(); super.onStop(); } /* Class My Location Listener */ public class MyLocationListener implements LocationListener { @Override public void onLocationChanged(Location loc) { loc.getLatitude(); loc.getLongitude(); etc etc etc } private void stoplistening() { if (mlocManager != null) { Toast.makeText( getApplicationContext(), "kill", Toast.LENGTH_SHORT ).show(); mlocManager.removeUpdates(mlocListener); } else { Toast.makeText( getApplicationContext(), " not kill", Toast.LENGTH_SHORT ).show(); } } } I always get the "not kill" message. Can anyone help me!

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  • Abstract over X

    - by Bruno Bieth
    Sorry for this english related question but I only came across that expression in the context of IT. What does abstracting over something mean ? For example abstracting over objects or abstracting over classes. Thanks

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  • MySQL Search (Sort by Relevance)

    - by atif089
    Hi guys, Can any one help me how to sort rows by relevance for the following criterion ? tbluser First Name Last Name tbleduc School College University On the search form the user has following fields Name School College University Where School College and University are Optional.. And Name is split into 2 words (other words in middle are omitted), first word is taken as first anme and last word as last name.. Now I would like to implement search based on relevance. Thanks for the help :)

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  • Can't login to Windows server 2008 (as any user, not even locally, not in safe mode but I have right credentials)

    - by Saix
    Just from nowhere I can't login to my Windows server 2008 machine. All the services like FTP server or webserver (which I'm actually not using, just remote desktop and FTP) are running. Whatever credentials I try (even/especialy administrator), it always says Unknown Username or bad password. I have already tried hard turn off/on and safe mode without luck. Also I already tried type in login name as SERVER NAME\user or Workgroup\user (every case sensitive scenario), still says I have wrong login. Usually we are using remote desktop to access the machine but local access over KVM doesn't work either. Now I'm lock out of any control or any way to do something. There's just logon screen preceding by ctrl+alt+del to login alert. Without me able to login I can't actually try to fix anything. Can't find much more on Internet except the SERVER NAME\user thing. Reinstall would be the last resort but I can't let things this way for much longer anyway. This server is vital. If it would be any help, I think automatic Windows updates are turned off and there were no updates or newly installed software for last couple years and just few soft restarts, non of them recently. It happened during it's runtime while all other services were still up and running, so this couldn't be just some Windows nasty screw up during boot or something. What could have possibly changed? What are my options now?

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  • Which Cassandra API provides the highest level of abstraction?

    - by knorv
    There are a lot of Cassandra API:s available and usually the programming language preference determines the choice of API. However, if we take the programming language component out of the equation, what Cassandra API provides the highest level of abstraction? Definition of "level of abstraction" in this context: An API providing a lot of extra goodies such as index handling, etc would be considered being at a higher abstraction layer than a bare bones "close to Thrift" API.

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  • Change the default Open With

    - by emptyheaded
    How can I change the program a file is opened with by default (or at least add that program in the list of programs from Open With... ) using C# or VB.NET ? What I mean is, I would like to have programs with the extension abc open by default by the program abc.exe. Or, have the program abc.exe in the list of programs that will be shown in the context menu on the "Open With" option, for files with extension "xls".

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  • Is there any plugin available for integrating WSAD 5.1 and VSS?

    - by ria
    I am looking for a plugin that could integrate VSS- the CM tool I am using and WSAD 5.1. I tried downloading the version 1.6.0 of VSS plugin from http://sourceforge.net/projects/vssplugin/ , but that did not help as it seems this version of the plugin does not support WSAD 5.1 as it uses eclipse 2.1 Any help would be appreciated.

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  • Route Values for Area (MVC3)

    - by Jim
    Hi, I am using areas in MVC version 3. My logoff and logon action methods are routing to the area, and I need them to route to the normal controller that is not in an area. I have tried the following host://AREA/CONTROLLER/METHOD instead of host://CONTROLLER/METHOD. @if(Request.IsAuthenticated) { <text>Welcome <b>@Context.User.Identity.Name</b> [ @Html.ActionLink("Log Off", "LogOff", "Account", new { area = "" }) ]</text> } else { @:[ @Html.ActionLink("Log On", "LogOn", "Account", new { area = "" }) ] }

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  • logic question about factorials

    - by Syom
    I have a problem and can't solve it alone. My teacher gives me one logic task today, and i'm sure you can help me. How can I count the number of zeroes at the end of factorial(41). (on paper) I understand that it has nothing to do with programing, but I'm sure programers can help me. Thanks in advance.

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  • What's the purpose of the unnamed namespace?

    - by bbazso
    In a .cpp file, if I decare a constant as follows: namespace { const int UDP_PORT_MIN = 1024; const int UDP_PORT_MAX = 65535; } vs. just: const int UDP_PORT_MIN = 1024; const int UDP_PORT_MAX = 65535; What's the difference between these two? I often see constant definitions declared in an unnamed namespace, so I was wondering what's the purpose of the unnamed namespace in this context?

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  • Sorting a C# Dictionary

    - by SoulReaver
    I have a dictionary in C# like Dictionary<Person, int> and I want to sort that dictionary in place with respect to keys (a field in class Person). How can I do it? Every available help on the internet is that of lists with no particular example of in place sorting of Dictionary. Any help would be highly appreciated!

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  • Nullpointerexception getSystemService

    - by moppel
    Following line will only not result in a nullpointer exception if I'm connected to a WLAN: ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); Otherwise I get a nullpointer-exception straight ahead? How can I fix this? I want my background service to only work, when it is connected to wlan. But that Nullpointerexception just kills the whole app...

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  • JFileChooser select directory but show files

    - by Jeff Storey
    I feel like there should be a simple way to do this but I can't figure it out. I have a JFileChooser that allows the user to select directories. I want to show all the files in the directories to give the user some context, but only directories should be accepted as selections (maybe the Open button would be disabled when a file is selected). Is there an easy way of doing this?

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  • passing a parameter from an other model on ruby

    - by MAGE
    I'm very newbie in ruby and need your help. I must save a "Topic" and make it like this : @topic = Topic.new(params[:topic]) But I would like to pass an other information to this topic. It has a field "community_id" that link it to a community. The logged user has this information on his table. How can I pass the "community_id" from the logged user to the "community_id" of the "topic" created ? thx for your help

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  • Problem with the Blackberry browser

    - by vatsalit
    i am working on a application where i have image onwhich when u click it gets navigated to browser with a link but it dont display web page. now i need a code for just displaying a simple web page in blackberry.. is it something to do with simulator and device as i am working with simulator.So kindly help me with it....I am newbie to blackberry.. thank you in advance for help..

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