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• Pylons importing Psycopg2 error

  - by resopollution

  Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Library/Python/2.6/site-packages/psycopg2/__init__.py", line 60, in <module> from _psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID ImportError: dlopen(/Library/Python/2.6/site-packages/psycopg2/_psycopg.so, 2): Symbol not found: _PQbackendPID Referenced from: /Library/Python/2.6/site-packages/psycopg2/_psycopg.so Expected in: flat namespace in /Library/Python/2.6/site-packages/psycopg2/_psycopg.so Psycopg2 was working fine before, but now I get this error. Any ideas on this issue much appreciated. EDIT: so after dealing with so many psycopg2 errors everytime I set up my mac, I've decided to use VMWareFusion running Ubuntu instead.

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• Pylons/Routes Did url_for() change within templates?

  - by Charles Merram

  I'm getting an error: GenerationException: url_for could not generate URL. Called with args: () {} from this line of a mako template: <p>Your url is ${h.url_for()}</p> Over in my helpers.py, I do have: from routes import url_for Looking at the Routes-1.12.1-py2.6.egg/routes/util.py, I seem to go wrong about line it calls _screenargs(). This is simple functionality from the Pylons book. What silly thing am I doing wrong? Was there a new url_current()? Where?

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• Subclassing Satchmo's Category model, but then getting the error "'Manager' object has no attribute 'root_categories'"

  - by hellsgate

  I'm using Satchmo as part of a website I'm currently building. At the moment I'm trying add more functions to the Satchmo Category class, but obviously I'm not going to make any changes to the Satchmo files. So, I thought that subclassing the Category class would give me a new class which contains all the Satchmo Category properties and methods while allowing me to add my own. However, either Python subclassing doesn't work like that, or I am doing it wrong. Here is the code I'm using to subclass Category: from product.models import Category class MyCategory(Category): """ additional functions to pull data from the Satchmo store app """ One of the methods I can normally use from the Category class is: Category.objects.root_categories() however, when I try to access MyCategory.objects.root_categories() I get the following error: AttributeError: 'Manager' object has no attribute 'root_categories' Can anyone point me in the right direction for solving this?

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• How to generate SSH key pairs with Python

  - by Lee

  Hello, I'm attempting to write a script to generate SSH Identity key pairs for me. from M2Crypto import RSA key = RSA.gen_key(1024, 65337) key.save_key("/tmp/my.key", cipher=None) The file /tmp/my.key looks great now. By running ssh-keygen -y -f /tmp/my.key > /tmp/my.key.pub I can extract the public key. My question is how can I extract the public key from python? Using key.save_pub_key("/tmp/my.key.pub") saves something like: -----BEGIN PUBLIC KEY----- MFwwDQYJKoZIhvcNAQEBBQADASDASDASDASDBarYRsmMazM1hd7a+u3QeMP ... FZQ7Ic+BmmeWHvvVP4Yjyu1t6vAut7mKkaDeKbT3yiGVUgAEUaWMXqECAwEAAQ== -----END PUBLIC KEY----- When I'm looking for something like: ssh-rsa AAAABCASDDBM$%3WEAv/3%$F ..... OSDFKJSL43$%^DFg==

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• How to force PyYAML to load strings as unicode objects?

  - by Petr Viktorin

  The PyYAML package loads unmarked strings as either unicode or str objects, depending on their content. I would like to use unicode objects throughout my program (and, unfortunately, can't switch to Python 3 just yet). Is there an easy way to force PyYAML to always strings load unicode objects? I do not want to clutter my YAML with !!python/unicode tags. # Encoding: UTF-8 import yaml menu= u"""--- - spam - eggs - bacon - crème brûlée - spam """ print yaml.load(menu) Output: ['spam', 'eggs', 'bacon', u'cr\xe8me br\xfbl\xe9e', 'spam'] I would like: [u'spam', u'eggs', u'bacon', u'cr\xe8me br\xfbl\xe9e', u'spam']

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• batch update SharePoint data

  - by Faiz

  Hi, I need to import user profile information to a sharepoint list. Also, the user profile information will be periodically updated to the list , therefore i think i should use a timer job to update the information. Importing for the first time works without any issues. But can you suggest what can be the best way to update information. The update should take care of updating existing records in profile , mark as orphaned for the records that are deleted from user profile and add new records in user profile to the list. Thanks

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• Ambiguous reference when getter/setter have different visibilities

  - by Warren Seine

  The following code raises an ambiguous reference to value at compile time: import flash.display.Sprite; public class Main extends Sprite { private var _value : Number = 0.; public function get value() : Number { return _value; } private function set value(v : Number) : void { _value = v; } public function Main() : void { value = 42.; } } I suspect some kind of bug in the compiler, though I didn't actually read the ECMA standard. Before someone asks those questions: Private setters do make sense. The ambiguity also exists with custom namespaces (which is the problem I'm facing).

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• Why is Django reverse() failing with unicode?

  - by JeffS

  Here is a django models file that is not working as I would expect. I would expect the to_url method to do the reverse lookup in the urls.py file, and get a url that would correspond to calling that view with arguments supplied by the Arguments model. from django.db import models class Element(models.Model): viewname = models.CharField(max_length = 200) arguments = models.ManyToManyField('Argument', null = True, blank = True ) @models.permalink def to_url(self): d = dict( self.arguments.values_list('key', 'value') ) return (self.viewname, (), d) class Argument(models.Model): key = models.CharField(max_length=200) value = models.CharField(max_length=200) The value d ends up as a dictionary from a unicode string to another unicode string, which I believe, should work fine with the reverse() method that would be called by the permalink decorator, however, it results in: TypeError: reverse() keywords must be strings

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• How to use Obj-C classes in MacRuby

  - by beno1604

  I am trying to use an external Obj-C class in my MacRuby project, but I can't figure out how to import it. Specifically, I want to use ObjectiveResource inside a MacRuby 0.5 project (since ActiveResource doesn't work - yet). I have gotten as far as the 'framework' command in MacRuby, but it only seems to apply to actual frameworks. Questions: where should I install the objective-resource directory? how do I pull these classes inside my ruby code? Thanks for any help!

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• BlackBerry - Programmatically fetching data in calendar

  - by SWATI

  i have invoked blackberry calender from my application can anyone tell me how to fetch : date duration notes from the selected date my code : MenuItem importCalender = new MenuItem("Import from Calender",100,11) { public void run() { UiApplication.getUiApplication().invokeAndWait(new Runnable() { public void run() { try { EventList list = (EventList)PIM.getInstance().openPIMList(PIM.EVENT_LIST, PIM.READ_WRITE); Enumeration events = list.items(); BlackBerryEvent e = (BlackBerryEvent) events.nextElement(); Invoke.invokeApplication(Invoke.APP_TYPE_CALENDAR, new CalendarArguments( CalendarArguments.ARG_VIEW_DEFAULT,e) ); } catch (PIMException e) { //e.printStackTrace(); } } }); } }; protected void makeMenu(Menu menu, int instance) { menu.add(importCalender); }

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• django sending emails

  - by dotty

  Hay, i can't seem to send emails using send_mail(), and I'm not sure why. Here's my details settins.py EMAIL_HOST = 'localhost', EMAIL_PORT = 25 My view from django.core.mail import send_mail send_mail('Subject here', 'Here is the message.', '[email protected]', ['[email protected]'], fail_silently=False) This fails with the error getaddrinfo() argument 1 must be string or None Anyone have any ideas? I'm developing on OS X Leopard Heres the last traceback /System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/smtplib.py in connect for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM): ... ? Local vars Variable Value host ('localhost',) msg 'getaddrinfo returns an empty list' port 25 self <smtplib.SMTP instance at 0x153b1e8>

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• Enable intellisense for imported tlb in VC++ 6

  - by Kevin Day

  We have a library for a complex COM object that we are importing using the following: #import "library.tlb" this works fine, VC++ compiles a tli file and somehow that gets magically included in the build process, so code written against the tlb works. However, intellisense doesn't pick up the library entries. This is a crazy complex COM component, and having intellisense would help immensely. Can anyone provide some pointers on how to get intellisense to work properly with this? I have tried deleting the .ncb file, and that had no effect.

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• Why is UIControlTouchUpInside UNDEFINED?

  - by munchine

  I've got a simple question but it has got me confounded. The code below gets an UNDEFINED error for UIControlTouchUpInside. What do I need to include or import? If I comment out the line, it works. So that means forState:UIControlStateNormal is defined. I'm new so hope you can help. UIButton * button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [button setTitle:@"Accept?" forState:UIControlStateNormal]; [button addTarget:self action:@selector(acceptTapped) forControlEvents:UIControlTouchUpInside];

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• Eclipse RCP & tycho - The type org.eclipse.swt.widgets.Button cannot be resolved. It is indirectly referenced from required .class files

  - by Skip

  Situation: I have an Eclipse RCP Application, which I am trying to build with tycho plugin for Eclipse. When I am executing my Eclipse Application inside of the IDe - the Application is executed normally. When using tycho to build the Application - the following error is thrown: The type org.eclipse.swt.widgets.Button cannot be resolved. It is indirectly referenced from required .class files What I did : In other cases where a "missing requirenments" exception was thrown, which I found - a missing transitive plugin-dependency was the reason. In my case an SWT widget "Button" is missing, so I am trying to import swt. SWT is platform dependant so I am importing swt inside of the product, as described here. Anyway, during compilation the error occurs again. Question: Do someone have any Idea, how to solve this Problem?

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• NHibernate connection string configuration

  - by user177883

  I have a c# library project, that i configured using nhibernate, and I like people to be able to import this project and use the project. I have a connection string in hibernate config file and in app.config file of another project. it would be nice for anyone to be able to set the connection string into this library project and use it. How to do this? I d like this class library to use the same database of the project that s imported. How to set hibernate connection string programatically? same idea for log4net.

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• -(void)... does not work/appeal (iOS)

  - by user1012535

  Hi I've got a problem with my -(void) in my Xcode project for iOS. First of all here is the code ViewController.h #import <UIKit/UIKit.h> @interface ViewController : UIViewController { IBOutlet UIWebView *webview; IBOutlet UIActivityIndicatorView *active; UIAlertView *alert_start; UIAlertView *alert_error; } -(IBAction)tele_button:(id)sender; -(IBAction)mail_button:(id)sender; -(IBAction)web_button:(id)sender; -(IBAction)news_button:(id)sender; @end ViewController.m #import "ViewController.h" @implementation ViewController - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { [super viewDidLoad]; //Stop Bounce for WebView for (id subview in webview.subviews) if ([[subview class] isSubclassOfClass: [UIScrollView class]]) ((UIScrollView *)subview).bounces = NO; //First Start Alert [alert_start show]; NSLog(@"first alert"); NSString *start_alert = [[NSUserDefaults standardUserDefaults] objectForKey:@"alert_start"]; if(start_alert == nil) { [[NSUserDefaults standardUserDefaults] setValue:@"1" forKey:@"alert_start"]; [[NSUserDefaults standardUserDefaults] synchronize]; UIAlertView *alert_start = [[UIAlertView alloc] initWithTitle:@"iOptibelt" message:@"On some points this application need a internet connection." delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert_start show]; [alert_start release]; } // Do any additional setup after loading the view, typically from a nib. [webview loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"home-de" ofType:@"html"]isDirectory:NO]]]; NSLog(@"webview fertig"); } -(void)webViewDidStartLoad:(UIWebView *) webview { [UIApplication sharedApplication].networkActivityIndicatorVisible = YES; [active startAnimating]; NSLog(@"lade"); } -(void)webViewDidFinishLoad:(UIWebView *) webview { [UIApplication sharedApplication].networkActivityIndicatorVisible = NO; [active stopAnimating]; NSLog(@"fertig"); } -(void)webView: (UIWebView *) webview didFailLoadWithError:(NSError *)error{ NSLog(@"lade error"); UIAlertView *alert_error = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Can't connect. Please check your internet Connection" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert_error show]; [alert_error release]; }; - (IBAction)tele_button:(id)sender{ NSLog(@"it's connected!"); //Local HTML Call Button NSURLRequest *theRequest = [NSURLRequest requestWithURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"phone" ofType:@"html"]isDirectory:NO]]; [webview loadRequest:theRequest]; } - (IBAction)mail_button:(id)sender{ NSLog(@"it's connected!"); //Mail App Mail Button [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto://[email protected]"]]; } - (IBAction)web_button:(id)sender{ NSLog(@"it's connected!"); //Local HTML Button NSURLRequest *theRequest = [NSURLRequest requestWithURL:[NSURL URLWithString: @"http://optibelt.com"]]; [webview loadRequest:theRequest]; } - (IBAction)news_button:(id)sender{ NSLog(@"it's connected!"); //local Home Button NSURLRequest *theRequest = [NSURLRequest requestWithURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"home-de" ofType:@"html"]isDirectory:NO]]; [webview loadRequest:theRequest]; } - (void)viewDidUnload { [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; } - (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown); } @end At last my 3. -(void) does not work and i ve no more idea what could be the problem.... -(void)webViewDidStartLoad:(UIWebView *) webview { [UIApplication sharedApplication].networkActivityIndicatorVisible = YES; [active startAnimating]; NSLog(@"lade"); } -(void)webViewDidFinishLoad:(UIWebView *) webview { [UIApplication sharedApplication].networkActivityIndicatorVisible = NO; [active stopAnimating]; NSLog(@"fertig"); } -(void)webView: (UIWebView *) webview didFailLoadWithError:(NSError *)error{ NSLog(@"lade error"); UIAlertView *alert_error = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Can't connect. Please check your internet Connection" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert_error show]; [alert_error release];

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• imported function name is not visible in entities context

  - by ali moharrami

  hi I am working on silverlight application which uses EF. I am able to retrieve the data. But I want to execute a stored procedure which returns no value. I tried using Import function. and the function is created in DataModel.Designer.cs : public int ClearWorkflow(Nullable<global::System.Guid> processId) { ObjectParameter processIdParameter; if (processId.HasValue) { processIdParameter = new ObjectParameter("ProcessId", processId); } else { processIdParameter = new ObjectParameter("ProcessId",typeof(global::System.Guid)); } return base.ExecuteFunction("ClearWorkflow", processIdParameter); } But the function name is not visible in entities context while accessing in silverlight.

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• Why are mercurial subrepos behaving as unversioned files in eclipse

  - by noam

  I am trying to use the subrepo feature of mercurial, using the mercurial eclipse plugin . I created and added the .hgsub file in the root repo, put all the mappings of the sub repos in it, and committed + pushed. Then, I pulled the root repo in eclipse, using import-mercurial. Now I see that all the subrepos appear as though they are unversioned (no "orange cylinder" icon next to their corresponding folders in the eclipse file explorer). Furthermore, when I right click on one of the subrepos, I don't get all the hg commands in the "team" menu as I usually get, with root projects - no "pull", "push" etc. Also, when I made a change to a file in a subrepo, and then "committed" the root project, it told me there were no changes found.

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• Typescript + requirejs: How to handle circular dependencies?

  - by Aymeric Gaurat-Apelli

  I am in the process of porting my JS+requirejs code to typescript+requirejs. One scenario I haven't found how to handle is circular dependencies. Require.js returns undefined on modules that are also dependent on the current and to solve this problem you can do: MyClass.js define(["Modules/dataModel"], function(dataModel){ return function(){ dataModel = require("Modules/dataModel"); ... } }); Now in typescript, I have: MyClass.ts import dataModel = require("Modules/dataModel"); class MyClass { dataModel: any; constructor(){ this.dataModel = require("Modules/dataModel"); // <- this kind of works but I lose typechecking ... } } How to call require a second time and yet keep the type checking benefits of typescript? dataModel is a module { ... }

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• how to match a regulas expresion like (%i1) in python pexpect

  - by mike

  I want to use maxima from python using pexpect, whenever maxima starts it will print a bunch of stuff of this form: $ maxima Maxima 5.27.0 http://maxima.sourceforge.net using Lisp SBCL 1.0.57-1.fc17 Distributed under the GNU Public License. See the file COPYING. Dedicated to the memory of William Schelter. The function bug_report() provides bug reporting information. (%i1) i would like to start up pexpect like so: import pexpect cmd = 'maxima' child = pexpect.spawn(cmd) child.expect (' match all that stuff up to and including (%i1)') child.sendline ('integrate(sin(x),x)') chil.expect( match (%o1 ) ) print child.before how do i match the starting banner up to the prompt (%i1)? and so on, also maxima increments the (%i1)'s by one as the session goes along, so the next expect would be: child.expect ('match (%i2)') child.sendline ('integrate(sin(x),x)') chil.expect( match (%o2 ) ) print child.before how do i match the (incrementing) integers?

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• cvs to mercurial conversion gets tags wrong

  - by Mark Borgerding

  I've tried all the recommended conversion techniques Mostly they manage to get the latest version of the files right, but every one of them trashes my history. Many (most?) of the tags from my cvs project have at least one file in error when I run "hg up $tag" My cvs repo is not all that complicated. Why can't anything convert it? I'd like to dump cvs and convert to mercurial, but not without history. To recap my frustration: I tried hg convert (tried --branchsort,--timesort, fuzz=0) I tried cvs2svn and then hg convert. tailor does not work with recent versions of mercurial fromcvs disappeared from the face of the earth hg-cvs-import has been abandoned for 4 years and doesn't work with recent versions of hg I have tried using the two most recent versions of mercurial ( 1.5 and 1.5.1 ).

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• Python: Retrieve Image from MSSQL

  - by KoRkOnY

  Dear All, I'm working on a Python project that retrieves an image from MSSQL. My code is able to retrieve the images successfully but with a fixed size of 63KB. if the image is greater than that size, it just brings the first 63KB from the image! The following is my code: #!/usr/bin/python import _mssql mssql=_mssql.connect('<ServerIP>','<UserID>','<Password>') mssql.select_db('<Database>') x=1 while x==1: query="select TOP 1 * from table;" if mssql.query(query): rows=mssql.fetch_array() rowNumbers = rows[0][1] #print "Number of rows fetched: " + str(rowNumbers) for row in rows: for i in range(rowNumbers): FILE=open('/home/images/' + str(row[2][i][1]) + '-' + str(row[2][i][2]).strip() + ' (' + str(row[2][i][0]) + ').jpg','wb') FILE.write(row[2][i][4]) FILE.close() print 'Successfully downloaded image: ' + str(row[2][i][0]) + '\t' + str(row[2][i][2]).strip() + '\t' + str(row[2][i][1]) else: print mssql.errmsg() print mssql.stdmsg() mssql.close()

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• hi when i write <h:outputText value="Login Name"/> tag in my jsp i am getting Cannot find FacesConte

  - by Sunny Mate

  hi when i write <h:outputText value="Login Name"/> tag in my jsp i am getting "Cannot find FacesContext" error , with out that tag my jsp working fine here is my JSP <%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %> <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %> <body> Login Name <input type="text" value=""/><br> **<h:outputText value="Login Name"/>** Password<input type="password" value=""/><br> <input type="submit" value="Login"> </body> </html>

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• How to download the Enthought Tool Suite python script?

  - by user1539217

  I have Python downloaded already, but want to contribute code to the Enthought Tool Suite (ETS). According to this site (http://code.enthought.com/source/): it says to download the following python script: https://raw.github.com/enthought/ets/master/ets.py I put the ets.py into the python script, save as...and in the Python Shell, I typed in "import ets" However, nothing happens. Also, the site says to run the following commands: $ mkdir ets $ cd ets # and copy ets.py here $ python ets.py clone Typing those lines in Python Shell gives me the message: "SyntaxError: invalid syntax" As you can see, I'm new to Python, and I don't know what I'm doing. How do I download the ETS script and run the commands??

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• ActiveX controls with old Delphi versions

  - by DamienD

  I'm testing a non visual ActiveX control based on a registered .ocx which I import into Delphi using the provided wizard. Then, I simply put the generated component on the main form of a new VCL application. Under old Delphi versions (D5 and D2007), when i launch the application, this raise an AV during the component initialization. with Delphi 2009 : no problem, the application starts smoothly. My questions are : Are there known enhancements of ActiveX management in recent Delphi versions which can explain this difference ? Can I suspect a bug in the ActiveX control, or can I consider the origin of the problem is from old Delphi versions ? I need to use this component (if tests OK) in D2007. Do you think that it is possible to correct the AV problem under D2007 by modifying the D2007 generated .tlb file (for example by trying to use the D2009 generated one) PS: the ActiveX control is not named, because my question is a general question about Delphi and ActiveX, not about a specific ActiveX control.

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