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• ObservableCollection DataGrid

  - by grid-wpf-architect

  I bound the ObservableCollection to the dataGrid itemssource. the collectionChangedEvent of the observable Collection is getting called only when we add, delete, remove. But not firing when we update the record. how to fire the event for Update too?

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• winforms - datagridview row height doesn't resize when defaultcellstyle is set to wrapmode

  - by BhejaFry

  Hi folks, i have a datagrid that displays long text on couple columns. I have set the cells defaultcellstyle to wrap. This works but now the row height doesn't change to compensate for the wrapped text & the text is getting cut-off. What am i missing? TIA

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• PHP Date Manipulations

  - by Ajith

  I need to get previous 30 days from a specific date which is available from database(eg: 2010-05-23 12:36:29).I am try it by using date('d', strtotime("-30 days")) Which is getting the currect answer what i looking for but it is not help me to enter date from database.Please help me to solve the issue.

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• query about pdf file

  - by sukhada

  hi How can i append 2nd page of a pdf file to the first page. in my case the page is getting overwritten..plz reply soon

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• Wide Character Errors in Perl When Inserting into Berkeley DB

  - by syker

  I'm running an experiment on Berkeley DBs. I'm simply removing the contents from DB a and reinserting the key-value pairs into DB b. However, I am getting Wide character errors when inserting key-value pairs into this DB b. Help?

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• Mathematica: get number of arguments passed to a function?

  - by dbjohn

  How do I get the number of arguments passed to a function, such as Plus[2,3,4,5] has 4 arguments passed to it. I was thinking it may involve the use of the function Length and getting the arguments into a list. The intention is to iterate an operation based on the number of arguments for a function. There is probably a simple solution or function but I haven't come across it yet. Any other ways or suggestions are welcome as well?

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• Dealing with wacky encodings in Python

  - by Tyson

  I have a Python script that pulls in data from many sources (databases, files, etc.). Supposedly, all the strings are unicode, but what I end up getting is any variation on the following theme (as returned by repr()): u'D\\xc3\\xa9cor' u'D\xc3\xa9cor' 'D\\xc3\\xa9cor' 'D\xc3\xa9cor' Is there a reliable way to take any four of the above strings and return the proper unicode string? u'D\xe9cor' # --> Décor The only way I can think of right now uses eval(), replace(), and a deep, burning shame that will never wash away.

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• Facebook JS SDK FB.logout() doesn't terminate user session

  - by Casey Flynn

  I'm attempting to log a user out of facebook with the Facebook JS SDK, however calling: FB.logout(function(response){ console.log(response); }); returns: response.status == "connected" And only after refreshing the page does the SDK realize that the session has ended. Anyone know what could be causing this behavior? This code previously worked in my application and has recently started behaving this way. Another example using FireBug:

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• Page Redirect when session end in ASP.Net MVC

  - by Kaung Sitt Thu

  I would like to do redirect to login when current session end and that config must be working at any View and Controller. ///My current code in Global.asax protected void Session_End(object sender, EventArgs e) { Session.Abandon(); //GetPath() is getting currently path // eg. http://localhost/mymvcproject Response.Redirect(PATH.GetPath() + "User/LogOn"); }

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• How to solve following issue in java?

  - by lakshmi

  Im getting following error while running the query. org.hibernate.hql.ast.QuerySyntaxException: expecting CLOSE, found 'LIMIT' near line 1, column 194 [from com.claystone.db.Gpsdata where id.mobileunitid = '2090818044' and gpsdate in (select id.gpsdate from com.claystone.db.Gpsdata where id.mobileunitid = '2090818044' ORDER BY id.gpsdate DESC LIMIT 1 ) and gpsstatus='true'] This is my Query.Please give the suggession what is the mistake in this query? data=session.createQuery[from com.claystone.db.Gpsdata where id.mobileunitid = '2090818044' and gpsdate in (select id.gpsdate from com.claystone.db.Gpsdata where id.mobileunitid = '2090818044' ORDER BY id.gpsdate DESC LIMIT 1 ) and gpsstatus='true']

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• How to properly use the .animate() function -- top

  - by sadmicrowave

  Is this the proper way to use the .animate(top) function? Positive number (animate down)-- $("div#container div#history-menu").animate({top:'180px'}, 600); Negative number (animate up)-- $("div#container div#history-menu").animate({top:'-180px'}, 600); Because I'm getting a java error in my error console that says: "error in parsing value for property 'top'. Declaration Dropped."

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• use viewengine only within certain area

  - by Daniel Powell

  Is it possible to use a custom view engine for a specific area only? I have tried public override void RegisterArea(AreaRegistrationContext context) { context.MapRoute( "Forms_default", "Forms/{client}/{controller}/{action}/{id}", new { client="Generic",action = "Index", id = UrlParameter.Optional } ); ViewEngines.Engines.Clear(); ViewEngines.Engines.Add(new ClientSpecificViewEngine()); } Within my area but this seems to be a site wide affect as I'm getting errors specific to the custom view engine when visiting pages outside the area.

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• How to handle duplicate symbol error from 3rd party libraries?

  - by brettr

  I have two 3rd party libraries that seem to use the same class. That should be fine but I'm getting this type of error when building: ld: duplicate symbol .objc_class_name_CJSONScanner in /Users/myappOne/TapjoyConnect/Frameworks/libTapjoyConnectSimulatorRewardInstall_Ads_Pinch.a(CJSONScanner.o) and /Developer/Projects/BuildOutput/Debug-iphonesimulator/OtherLibrary_d.a(CJSONScanner.o) How can I handle this issue?

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• MySQL LEFT JOIN error

  - by Alex

  Hello, I've got some SQL that used to work with an older MySQL version, but after upgrading to a newer MySQL 5 version, I'm getting an error. Here's the SQL: SELECT portfolio.*, projects.*, types.* FROM projects, types LEFT JOIN portfolio ON portfolio.pfProjectID = projects.projectID WHERE projects.projectType = types.typeID AND types.typeID = #URL.a# ORDER BY types.typeSort, projects.projectPriority ASC and the new error I'm receiving: Unknown column 'projects.projectID' in 'on clause' How can I convert this to compatible SQL for the newer MySQL version? Thanks very much!

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• How to get notification iPhone device orientation when MPMoviePlayer is palying?

  - by SKG

  I have added notification observers for UIDeviceOrientationDidChangeNotification in my appDelegate. But it is not getting called when movieplayer is visisble. But works fine with other views.

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• Visual Basic 9 with Visual Studio 2010

  - by jaraics

  I'm working on a project started in VB9 (VS 2008) and now I've migrated to VS2010 (VB10) but on the production server the IDE is still VS 2008. On my developement enviroment the code compiles fine, but sometimes, - let's say - I forget an _ at the end of the line which causes the VB9 compiler to throw an error. So the question is, how could I build a project with the VS 2010 IDE but VB9 compiler? Or to force the VB10 compiler into VB9 mode?

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• Transformation of records 1 column 3 row -> 1 row 3 column

  - by Nehal Rupani

  First look at below query SELECT count(id) as total_record, id, modeller, MONTHNAME(completed_date) as current_month, Quarter(completed_date) as current_quarter, Difficulty, YEAR(completed_date) as current_year FROM model WHERE modeller != '' AND completed_date BETWEEN '2010-04-01' AND '2010-05-31' AND Difficulty != '' Group by Difficulty, Month(completed_date) Order by Month(completed_date) ASC Results I am getting is Modeller Month Year Difficulty ------------------------------------- XYZ Jan 2010 23 XYZ Jan 2010 14 XYZ Jan 2010 15 ABC Feb 2010 5 ABC Feb 2010 14 ABC Feb 2010 6 I want result like Modeller Month Year Difficulty -------------------------------------- XYZ Jan 2010 23, 14, 15 ABC Feb 2010 5, 14, 6 My database is Mysql for application i am developing so any help would be greatly appericated.

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• Suppress Xcode warning? 'weak_import' attribute ignored

  - by MT

  Hi, I've got quite a large Xcode project that since an Xcode upgrade is giving me loads of "'weak_import' attribute ignored" warnings, they are coming from WebKit, and a bit of research suggests it's a compiler bug. Is there anyway to suppress them, I'm getting thousands, making the 'real' warnings impossible to find. Cheers MT

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• VS 2010 Doesn't recognize Middleware DLLs

  - by Amit

  Hi I have VS 2010 Ultimate installed on Win 7 Enterprise (32 bit). In my middleware I have some DLLS referred. If i try to build the solution, some of the DLLs are not getting recogninized and the solution will not build. The same solution builds fine on VS 2008. Any Idea why this happens?

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• How to override old design with new design(using master pages)?

  - by arun

  Hi, iam migrating the site from asp.net1.1 to asp.net3.5, iam using new design layout with masterpage concept,in previeous site some pages are having usercontrols,these are mixed with old design, if i convert it using masterpage, iam getting old design combining with new design...pls can any one will help?iam fresher to development. Thanks in advance.

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• Java enums, static class variables - why can't I do this?

  - by drozzy

  I am getting a "cannot be resolved" error when I try to do this: class Tag{ public static final int blah = 1231; } enum Things{ COOL (Tag.blah, "blah"); //error here } the compiler complains that it cannot find the Tag class on the line above.

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• In php, Prepare string and create XML/RSS Feed

  - by Bill

  I want to create my own RSS/XML feed. I fetch data from the database to display, but keep getting invalid character errors. If the string has an ampersand or other strange characters in it, the XML will be invalid. I tried using urlencode and htmlentities, but these don't capture all possible characters which need to be escaped. Does anyone know of a PHP function which will prepare a string for XML output?

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• Which framework exceptions should every programmer know about ?

  - by Thibault Falise

  I've recently started a new project in C#, and, as I was coding some exception throw in a function, I figured out I didn't really know which exception I should use. Here are common exceptions that are often thrown in many programs : ArgumentException ArgumentNullException InvalidOperationException Are there any framework exceptions you often use in your programs ? Which exceptions should every .net programmer know about ? When do you use custom exception ?

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• drupal views module error

  - by peter

  hey guys.. i installed drupal views module and am getting this error Fatal error: require_once() [function.require]: Failed opening required './sites/all/modules/views/includes/admin.inc' (include_path='.:/usr/lib64/php:/usr/lib/php') how can i solve this problem? thanks

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• google oauth callback

  - by Ben None

  Setting oauth with some providers is always kind of weird; currently hitting a problem concerning the callback, i had made everything work very nicely with google, getting redirected back specifying the callback url in both the get_request_token and redirect url param oauth_callback= but it then for some reason stopped redirecting, i'm currently stuck with the pin to specify over at google. I seeking explanations about this, if anybody went through the same kind of problem. thx

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