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• Python Tkinter - Edit external object within event handler?

  - by M3RPHY

  Hey all, As the title says, I'm grabbing the cursor location within a motion triggered event handler in Tkinter. I'd like to update an existing label widget with the location, however I cannot for the life of me figure out how to edit the label's text field (or any external object for that matter) within the event handler. From what I understand, event is the only argument passed to the handler, which means I can't pass the label object. How do I access objects outside of the handler? Apologize for the noobish question as I'm a C programmer new to Python. Thanks!

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• Webkit and Safari fire mousemove even when mouse doesn't move

  - by Roel

  I've read about issues where the mousemove event is fired twice in Safari/Webkit, but the problem I'm facing is that mousemove fires even when the mouse is not moved. That is: it already fires when the mouse cursor is positioned above the context that the event is attached to when the page is loaded/refreshed. And because I'm attaching it to 'document' (entire viewport of the browser), it fires right away in Safari. I've tried to attach it to to html element, to the body and to a wrapper div. No change. $(document).bind('mousemove', function() { alert('Mouse moved!'); $(document).unbind('mousemove'); }); Is does work ok in other browsers. Anyone seeing what I'm doing wrong? Thanks.

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• Maintain set of local commits working with git-svn

  - by benizi

  I am using git to develop against a project hosted in subversion, using git-svn: git svn clone svn://project/ My general workflow has been to repeatedly edit-and-commit on the master branch, then commit to the svn repository via: git stash git svn dcommit git stash apply One of the local modifications that 'stash' command is preserving, that I don't want to commit to the svn repository, is a changed database connection string. What's the most convenient way to keep this local change without the extra 'stash' steps? I suspect that something like 'stash' or 'quilt' is what I'm looking for, but I'm still new enough to git that I think I'm missing some terminology that would lead to the exact incantation. Update: The only solution I found that seems to avoid the git stash + git-svn action + git stash apply series was to update the git-svn ref manually: (check in local-only change to 'master', then...) $ cat .git/refs/master > .git/refs/remote/git-svn $ git svn fetch (with at least one new SVN revision) And that leaves the local-only commit as a weird (probably unsafe) commit between two svn revisions.

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• javascript: how to make input selected

  - by Syom

  i have to use the following function, to change the input's type <input class="input" id="pas" type="text" name="password" style="color: #797272;" value= "<?php if ($_POST[password] != '') {echo '';} else {echo '????????';}?>" onclick="if (this.value =='????????') { this.value=''; this.style.color='black'; change(); }" /> <script type="text/javascript"> function change() { var input=document.getElementById('pas'); var input2= input.cloneNode(false); input2.type='password'; input.parentNode.replaceChild(input2,input); } </script> it works fine, but i have to reclick on input, because it creates a new input. so what can i do, if i want it to create a new input with cursor in it? thanks

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• Performance: use a BinaryReader on a MemoryStream to read a byte array, or read directly?

  - by Virtlink

  I would like to know whether using a BinaryReader on a MemoryStream created from a byte array (byte[]) would reduce performance significantly. There is binary data I want to read, and I get that data as an array of bytes. I am currently deciding between two approaches to read the data, and have to implement many reading methods accordingly. After each reading action, I need the position right after the read data, and therefor I am considering using a BinaryReader. The first, non-BinaryReader approach: object Read(byte[] data, ref int offset); The second approach: object Read(BinaryReader reader); Such Read() methods will be called very often, in succession on the same data until all data has been read. So, using a BinaryReader feels more natural, but has it much impact on the performance?

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• Make list from two database items

  - by unnamet

  I want to make a list from some data that I have in my database. The first two sets of data in my database are first name and last name. I want my list to show both first and last name instead of now where it only shows the first name. How do I do that? My code looks like this: private void fillData() { Cursor contactCursor = mDbHelper.fetchAllReminders(); startManagingCursor(contactCursor); String[] from = new String[]{DbAdapter.KEY_FIRST}; int[] to = new int[]{R.id.contactlist}; SimpleCursorAdapter contacts = new SimpleCursorAdapter(this, R.layout.list, contactCursor, from, to); setListAdapter(contacts); }

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• converting between struct and byte array

  - by chonch

  his question is about converting between a struct and a byte array. Many solutions are based around GCHandle.Alloc() and Marshal.StructureToPtr(). The problem is these calls generate garbage. For example, under Windows CE 6 R3 about 400 bytes of garbarge is made with a small structure. If the code below could be made to work the solution could be considered cleaner. It appears the sizeof() happens too late in the compile to work. public struct Data { public double a; public int b; public double c; } [StructLayout(LayoutKind.Explicit)] public unsafe struct DataWrapper { private static readonly int val = sizeof(Data); [FieldOffset(0)] public fixed byte Arr[val]; // "fixed" is to embed array instead of ref [FieldOffset(0)] public Data; // based on a C++ union }

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• Resharper and Custom Live Template Not Working

  - by Bryce Fischer

  Working with Unity, I thought it would be a good idea to create some LiveTemplates to help out with creating configuration entries. For example, I want to create some typeAlias elements in a file called "unity.config": <typeAlias alias="QueryService" type="type,QueryAssembly"/> So, I created a live template: Shortcut: typeAlias Available "in all files" <typeAlias alias="$ALIAS$" type="$TYPE$,$ASSEMBLY$"/> the unity.config file is an XML file. I put the cursor in an empty spot and type "typeAlias" and then the tab key. Nothing happens. Any ideas?

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• Spring-Security with X509?

  - by jschoen

  I am new to spring-security in general and am a bit confused. The project I am trying to integrate this with uses X509 certificates to identify users for signing in to the application. There are no usernames or passwords. We validate the certificates are good, and that they have been given access to our app. The question is how do I integrate spring in to this to get their roles using the X509 certificates? I have seen this: <http> ... <x509 subject-principal-regex="CN=(.*?)," user-service-ref="userService"/> ... </http> But I don't understand how this works. Will it still require something for a password? Or is the subject all it needs?

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• Namespace Orginization and Conventions

  - by Bob Dylan

  So I have a little bit of a problem. I working on a project in C# using The StackOveflow API. You can send it a request like so: http://stackoverflow.com/users/rep/126196/2010-01-01/2010-03-13 And get back something like this JSON response: [{"PostUrl":"1167342", "PostTitle":"Are ref and out in C# the same a pointers in C++?", "Rep":10}, {"PostUrl":"1290595", "PostTitle":"Where can I find a good tutorial on bubbling?", "Rep":10} ... So my problem is that I have some methods like GetJsonResponse() which return the above JSON and SaveTempFile() which saves that JSON response to a temporary file for later use. I not sure if I should create a class for them, or what namespace to put them under. Right now my current namespace hierarchy is like so: StackOverflow.Api.Json. So how should I organize these methods/classes/namespaces?

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• How can I tell if a user came to a page via a Google Adwords PPC campaign?

  - by Mike Crittenden

  I have a form with a hidden "Came from Adwords" field that will be marked true (via javascript) if the user came from a PPC campaign and will stay false if not. That way, when the user submits the form, we will have each submission stored with info about whether that submission came from adwords or not, all without the user knowing. How can I fetch this info? I know that Google sets a cookie called Conversion whenever you click a PPC link to a page, but the cookie's content is just random alphanumeric characters. Is there something in the Analytics/Adwords API that will let me test for this? Do I have to resort to adding ?ref=adwords or something onto the PPC URLs so that I can test that way?

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• Django - How to do CSFR on public pages? Or, better yet, how should it be used period?

  - by orokusaki

  After reading this: http://docs.djangoproject.com/en/dev/ref/contrib/csrf/#how-to-use-it I came to the conclusion that it is not valid to use this except for when you trust the person who is using the page which enlists it. Is this correct? I guess I don't really understand when it's safe to use this because of this statement: This should not be done for POST forms that target external URLs, since that would cause the CSRF token to be leaked, leading to a vulnerability. The reason it's confusing is that to me an "external URL" would be on that isn't part of my domain (ie, I own www.example.com and put a form that posts to www.spamfoo.com. This obviously can't be the case since people wouldn't use Django for generating forms that post to other people's websites, but how could it be true that you can't use CSRF protection on public forms (like a login form)?

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• Equivalents to Z80 DJNZ instruction on other architectures?

  - by Justin Ethier

  First a little background. The z80 CPU has an instruction called DJNZ which can be used in a similar manner as a for loop. Basically DJNZ decrements the B register and jumps to a label if not zero. For example: ld b,96 ; erase all of the line disp_version_erase_loop: call _vputblank ; erase pixels at cursor (uses b reg) djnz disp_version_erase_loop ; loop Of course you can do the same thing using regular comparison and jump instructions, but often it is handy to use the single instruction. With that out of the way, my question is, do other CPU architectures include a similar control instruction?

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• How to create a UDF that takes a query string and returns the query's resultset

  - by Martin

  I want to create a stored procedure that takes a simple SELECT statement and return the resultset as a CSV string. So the basic idea is get the sql statement from user input, run it using EXEC(@stmt) and convert the resultset to text using cursors. However, as SQLServer doesn't allow: select * from storedprocedure(@sqlStmt) UDF with EXEC(@sqlStmt) so I tried Insert into #tempTable EXEC(@sqlStmt), but this doesn't work (error = "invalid object name #tempTable"). I'm stuck. Could you please shed some light on this matter? Many thanks EDIT: Actually the output (e.g CSV string) is not important. The problem is I don't know how to assign a cursor to the resultset returned by EXEC. SP and UDF do not work with Exec() while creating a temp table before inserting values is impossible without knowing the input statement. I thought of OPENQUERY but it does not accept variables as its parameters.

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• CompliationLock throws HttpException when registering areas for ASP.NET MVC unit tests

  - by patridge

  The moment I added a unit test to my ASP.NET MVC application to test some of the area routing, I got an HttpException coming out of the System.Web.Complication.CompilationLock type initializer with the following stack trace. System.Web.HttpException : The type initializer for 'System.Web.Compilation.CompilationLock' threw an exception. ----> System.TypeInitializationException : The type initializer for 'System.Web.Compilation.CompilationLock' threw an exception. ----> System.NullReferenceException : Object reference not set to an instance of an object. at System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() at System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() at System.Web.Compilation.BuildManager.GetReferencedAssemblies() at System.Web.Mvc.BuildManagerWrapper.System.Web.Mvc.IBuildManager.GetReferencedAssemblies() at System.Web.Mvc.TypeCacheUtil.FilterTypesInAssemblies(IBuildManager buildManager, Predicate`1 predicate) at System.Web.Mvc.TypeCacheUtil.GetFilteredTypesFromAssemblies(String cacheName, Predicate`1 predicate, IBuildManager buildManager) at System.Web.Mvc.AreaRegistration.RegisterAllAreas(RouteCollection routes, IBuildManager buildManager, Object state) at System.Web.Mvc.AreaRegistration.RegisterAllAreas(Object state) at System.Web.Mvc.AreaRegistration.RegisterAllAreas() at StpWeb.MvcApplication.RegisterRoutes(RouteCollection routes) in Global.asax.cs: line 16 at StpWeb.Tests.RoutesTest.TestFixtureSetUp() in RoutesTest.cs: line 11 --TypeInitializationException at System.Web.Compilation.CompilationLock.GetLock(ref Boolean gotLock) at System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() --NullReferenceException at System.Web.Compilation.CompilationLock..cctor()

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• Winforms - a strange problem a with simple binding

  - by Adi Barda

  Hi Guys, It's hard for me to clearly describe my problem but I'll try. I have a UserControl1 which contains UserControl2 which contains several WinForms controls (most of them DevExpress). I do simple binding to these controls to my datatable fields. So far everything works fine. When I move the focus to a record in the table (by navigating in a grid rows for example) the binding works great, the concurrenmcy manager moves the cursor and everything reflects right in the bounded controls. The problem starts when I add new user UserControl3 above UserControl2 and make UserControl2.Visible = false. Now UserControl3 is shown and UserControl2 exists but not shown. Now when I set UserControl2.Visible = true to show it again the simple binding stops working! I navigate in the grid but either the ConcurrencyManager stops working or the simple binding becomes disconnected. My question: Are there any known issues/ best practices with the binding & concurrency manager? Thanks a lot, Adi Barda

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• How to add a hyperlink column to a TcxGrid (Developer express grid)

  - by Brian Frost

  Hi In Delphi I've managed (!) to add a column to a TcxGrid table view that appears as a hyperlink (instead of a simple string). To do this, you simply edit 'properties' of the column and choose 'hyperlink'. The cell now shows a hyperlink style (underlined) but I canot for the life of me see how to: Get the cursor to change to the 'hand' when over the link. Add an event that is fired when I click the link. Can anyone help? Thanks.

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• Adobe AIR: touch screen doesn't trigger mouse down event correctly

  - by Saariko

  i have designed a gaming kiosk app in as3 i am using it on a Sony vaio l pc (like hp's touchsmarts) in windows 7 the app doesn't need any multi-touch gestures (only single touch clicks and drags) so i am using mouse events everything is fine (including mouse click and move events) except that a single touch to the screen (with no move) doesn't fire a mouse down. it is fired only after a small move of the finger outside the app, on my desktop, i see that the small windows 7 cursor jumps immediately to where a finger is placed, meaning this issue isn't a hardware or a windows problem but rather how internally the flash app receives "translated" touch-to-mouse events from the os. for example, in a windows Solitaire game, a simple touch to the screen immediately highlights the touched card. in my app, a button will change to the down state only if i touch it and also move my finger slightly (click events - down and up - are triggered fine) shouldn't the MOUSE_DOWN event trigger exactly like how a TOUCH_BEGIN would in the new touchevent class? any ideas?

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• mutating, trigger/function may not see it- error during execution of trigger

  - by mahesh soni

  CREATE OR REPLACE TRIGGER UPDATE_TEST_280510 AFTER insert on TEST_TRNCOMPVISIT declare V_TRNCOMPNO NUMBER(10); CURSOR C1 IS SELECT B.COMPNO FROM TEST_TRNCOMPVISIT A, TEST_TRNCOMPMST B, TEST_MEMMAST C WHERE A.COMPNO=B.COMPNO AND B.TRNMEMID=C.MEMID AND C.MEMOS=1000; begin open c1; fetch c1 into V_TRNCOMPNO; UPDATE TEST_TRNCOMPMST SET COMPSTATUS='P', remark='comp is pending due to O/S1000' WHERE COMPNO=V_TRNCOMPNO AND COMPSTATUS='C'; CLOSE C1; end; I have made this trigger and while insert the row in table- TEST_TRNCOMPVISIT it gives following error- The following error has occurred: ORA-04091: table TEST.TEST_TRNCOMPVISIT is mutating, trigger/function may not see it ORA-06512: at "TEST.UPDATE_TEST_280510", line 4 ORA-06512: at "TEST.UPDATE_TEST_280510", line 10 ORA-04088: error during execution of trigger 'TEST.UPDATE_TEST_280510' Kindly suggest over this. MaheshA.....

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• Double-byte characters in querystring using PHP

  - by Jeffrey Berthiaume

  I'm trying to figure out how to create personalized urls for double-byte languages. For example, this url from Amazon Japan has Japanese characters within the querystring (specifically, the path): http://www.amazon.co.jp/????????-DVD-???/dp/B00005R5J3/ref=sr_1_3?ie=UTF8&s=dvd&qid=1269891925&sr=8-3 What I would like to do is have: http://www.mysite.com/???????? or even http://www.mysite.com/index.php?name=???????? be able to properly decode the $GET[name] string. I think I have tried all of the urldecode and utf8_decode possibilities, but I just get gibberish in response. This all works fine in a form $_POST, but I need these urls to be emailable...

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• How do I insert a row with Perl's Net::Cassandra::Easy?

  - by knorv

  When using the Perl module Net::Cassandra::Easy to interface with Cassandra I use the following code to read colums col[123] from rows row[123] in column-family Standard1: my $cassandra = Net::Cassandra::Easy->new(keyspace => 'Keyspace1', server => 'localhost'); $cassandra->connect(); my $result = $cassandra->get(['row1', 'row2', 'row3'], family => 'Standard1', byname => ['col1', 'col2', 'col3']); This works as expected. However, when trying to insert row row1 with .. $result = $cassandra->mutate(['row1'], family => 'Standard1', insertions => { "col1" => "Value to set." }); .. I get the error message Can't use string ("0") as a SCALAR ref while "strict refs" in use at .../Net/GenThrift/Thrift/BinaryProtocol.pm line 376. What am I doing wrong?

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• Proper indentation in array initialization, PDT/Zend Studio

  - by Sergei Stolyarov

  I'm using the following style of array initialization in the code: $a = array( 'one' => 123, 'two' => 456 ); But PDT/Zend Studio doesn't work properly in this case; after pressing [Return] key it places cursor under the $a (in my example) and ignores indentation. If array keys are numbers (at least not start with quotation marks) everything is working fine. This is how it works currently (| — is a position where edtitor places caret after pressing [Return]) $a = array( 'one' => 123,[RETURN] | ); This is expected result: $a = array( 'one' => 123,[RETURN] | ); So is it possible to force editor follow my indentation rules?

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• Python equivalent of mysql_real_escape_string, for getting strings safely into MySQL?

  - by AP257

  Hi all Is there a Python equivalent of PHP's mysql_real_escape_string? I'm trying to insert some strings into a MySQL db direct from Python, and keep getting tripped up by quotes in the strings. mysql_string = "INSERT INTO candidate (name, address) VALUES " for k, v in v_dict.iteritems(): mysql_string += " ('" + v_dict['name'] + "', '" + v_dict['address'] + "'), " mysql_string += ";" cursor.execute(mysql_string) I've tried re.escape() but that escapes every non-alphanumeric character in the strings, which isn't what I need - I just need to escape single quotes in this instance (plus more generally anything else that might trip up MySQL). Could do this manually I guess, but is there a smarter way to do it in Python?

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• Visual Studio DTE2: how to get text content of the current document

  - by Sylvain

  I developped a package to extend Visual Studio. As part of it, I have a context menu that must process the whole text content of the active document (HTML editor). I understand how to get the current selection : TextSelection txtSelection = (TextSelection)_bllManager.CurrentDocument.Selection; But I dont't understand how to get the whole content of the code window in case nothing is selected. Currently I use a work-around doing txtSelection.SelectAll() but it moves the cursor and I don't want that. Any suggestion ? Thanks.

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• Permission denial to read from emailprovider in android

  - by Ambika

  Hello Everyone, I've the problem when I want to read "com.android.email.provider" to get email accounts. Here is my code to retrieve the account : Cursor c = null; Uri CONTENT_URI = Uri.parse("content://com.android.email.provider/account"); String RECORD_ID = "_id"; String[] ID_PROJECTION = new String[] {RECORD_ID }; c = getContentResolver().query(CONTENT_URI,ID_PROJECTION,null, null, null); I get a security exception: java.lang.SecurityException: Permission Denial: reading com.android.email.provider.EmailProvider uri content://com.android.email.provider/account from pid=278, uid=10003 requires com.android.email.permission.ACCESS_PROVIDER I want to know the account is created or not in some other app. Is there any other way to resolve this so that I can read from the provider. I have also tried by adding the permission in manifest: That dint not help. Any solution would be greatly appreciated. Thanks in advance

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