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• NetworkManager Applet shows no networks

  - by Kkelk

  I am "the friend" referred to in the questions here and here. I decided to come and ask a question myself, as I can still not connect to the wireless network. I downloaded Keryx, as suggested here, and managed to download the necessary package and its dependencies. When I attempted to install the packages on Ubuntu using Keryx, Keryx just closed. Following this, I installed the packages manually using dpkg, and as far as I can tell, this was successful: kieran@ubuntu:~$ cd /host/wifi/Keryx/keryx/projects/Kieran/packages kieran@ubuntu:/host/wifi/Keryx/keryx/projects/Kieran/packages$ sudo dpkg -i *.deb [sudo] password for kieran: Selecting previously deselected package bcmwl-kernel-source. (Reading database ... 118296 files and directories currently installed.) Unpacking bcmwl-kernel-source (from bcmwl-kernel-source_5.60.48.36+bdcom-0ubuntu5_i386.deb) ... Selecting previously deselected package dkms. Unpacking dkms (from dkms_2.1.1.2-3ubuntu1.1_all.deb) ... Selecting previously deselected package fakeroot. Unpacking fakeroot (from fakeroot_1.14.4-1ubuntu1_i386.deb) ... Selecting previously deselected package linux-image. Unpacking linux-image (from linux-image_2.6.35.22.23_i386.deb) ... Selecting previously deselected package menu. Unpacking menu (from menu_2.1.44ubuntu1_i386.deb) ... Selecting previously deselected package patch. Unpacking patch (from patch_2.6-2ubuntu1_i386.deb) ... Setting up fakeroot (1.14.4-1ubuntu1) ... update-alternatives: using /usr/bin/fakeroot-sysv to provide /usr/bin/fakeroot (fakeroot) in auto mode. Setting up linux-image (2.6.35.22.23) ... Setting up menu (2.1.44ubuntu1) ... Setting up patch (2.6-2ubuntu1) ... Processing triggers for man-db ... Setting up dkms (2.1.1.2-3ubuntu1.1) ... Setting up bcmwl-kernel-source (5.60.48.36+bdcom-0ubuntu5) ... Loading new bcmwl-5.60.48.36+bdcom DKMS files... First Installation: checking all kernels... Building only for 2.6.35-22-generic Building for architecture i686 Building initial module for 2.6.35-22-generic Done. wl.ko: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/2.6.35-22-generic/updates/dkms/ depmod..... DKMS: install Completed. update-initramfs: deferring update (trigger activated) Processing triggers for install-info ... Processing triggers for doc-base ... Processing 31 changed 1 added doc-base file(s)... Registering documents with scrollkeeper... Processing triggers for menu ... Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-2.6.35-22-generic Warning: No support for locale: en_GB.utf8 After rebooting, however, there were still no wireless networks in the NetworkManager Applet list. I opened the file /var/lib/NetworkManager/NetworkManager.state, and both NetworkEnabled and WirelessEnabled were set to True. While i'm very concious I may be asking a stupid question here, both my friend and I have nothing left to suggest, and as such - I would be very grateful for any answers as to how to get wireless working.

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• Ninject.Web, OnePerRequestModule, and IIS7 Integrated Pipeline

  - by Ted

  Using Ninject.Web with ASP.NET WebForms project. Works without issues using classic pipeline, but when it's under integrated pipeline, a null reference exception occurs on every request (which I've narrowed down to the use of the OnePerRequestModule): [NullReferenceException: Object reference not set to an instance of an object.] System.Web.PipelineStepManager.ResumeSteps(Exception error) +1216 System.Web.HttpApplication.BeginProcessRequestNotification(HttpContext context, AsyncCallback cb) +113 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +616 The above always occurs unless I remove the OnePerRequestModule initializization. occurs consistently on a very basic test app I put together. On a standard app where I actually want to implement it, I can solve the issue by initializing the OnePerRequestModule like so: protected override IKernel CreateKernel() { // This will always blow up. //var module = new OnePerRequestModule(); //module.Init(this); IKernel kernel = new StandardKernel(new MyModule()); // This works on larger app, but on basic app, it makes no difference under integrated pipeline as the above exception is always thrown. var module = new OnePerRequestModule(); module.Init(this); return kernel; } Before I start spelunking further, is anybody out there using Ninject.Web extension successfully under the integrated pipeline in IIS7 AND using the OnePerRequestModule? There are certain restrictions for modules under the integrated pipeline that weren't there in previous IIS versions/classic pipeline. Quickly thrown together sample project at http://www.filedropper.com/test_59 And in case it's not obvious with Ninject.Web: it's an ASP.NET WebForms project.

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• Hidden Features of C#?

  - by Serhat Özgel

  This came to my mind after I learned the following from this question: where T : struct We, C# developers, all know the basics of C#. I mean declarations, conditionals, loops, operators, etc. Some of us even mastered the stuff like Generics, anonymous types, lambdas, linq, ... But what are the most hidden features or tricks of C# that even C# fans, addicts, experts barely know? Here are the revealed features so far: Keywords yield by Michael Stum var by Michael Stum using() statement by kokos readonly by kokos as by Mike Stone as / is by Ed Swangren as / is (improved) by Rocketpants default by deathofrats global:: by pzycoman using() blocks by AlexCuse volatile by Jakub Šturc extern alias by Jakub Šturc Attributes DefaultValueAttribute by Michael Stum ObsoleteAttribute by DannySmurf DebuggerDisplayAttribute by Stu DebuggerBrowsable and DebuggerStepThrough by bdukes ThreadStaticAttribute by marxidad FlagsAttribute by Martin Clarke ConditionalAttribute by AndrewBurns Syntax ?? operator by kokos number flaggings by Nick Berardi where T:new by Lars Mæhlum implicit generics by Keith one-parameter lambdas by Keith auto properties by Keith namespace aliases by Keith verbatim string literals with @ by Patrick enum values by lfoust @variablenames by marxidad event operators by marxidad format string brackets by Portman property accessor accessibility modifiers by xanadont ternary operator (?:) by JasonS checked and unchecked operators by Binoj Antony implicit and explicit operators by Flory Language Features Nullable types by Brad Barker Currying by Brian Leahy anonymous types by Keith __makeref __reftype __refvalue by Judah Himango object initializers by lomaxx format strings by David in Dakota Extension Methods by marxidad partial methods by Jon Erickson preprocessor directives by John Asbeck DEBUG pre-processor directive by Robert Durgin operator overloading by SefBkn type inferrence by chakrit boolean operators taken to next level by Rob Gough pass value-type variable as interface without boxing by Roman Boiko programmatically determine declared variable type by Roman Boiko Static Constructors by Chris Easier-on-the-eyes / condensed ORM-mapping using LINQ by roosteronacid Visual Studio Features select block of text in editor by Himadri snippets by DannySmurf Framework TransactionScope by KiwiBastard DependantTransaction by KiwiBastard Nullable<T> by IainMH Mutex by Diago System.IO.Path by ageektrapped WeakReference by Juan Manuel Methods and Properties String.IsNullOrEmpty() method by KiwiBastard List.ForEach() method by KiwiBastard BeginInvoke(), EndInvoke() methods by Will Dean Nullable<T>.HasValue and Nullable<T>.Value properties by Rismo GetValueOrDefault method by John Sheehan Tips & Tricks nice method for event handlers by Andreas H.R. Nilsson uppercase comparisons by John access anonymous types without reflection by dp a quick way to lazily instantiate collection properties by Will JavaScript-like anonymous inline-functions by roosteronacid Other netmodules by kokos LINQBridge by Duncan Smart Parallel Extensions by Joel Coehoorn

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• Javascript object dependencies

  - by Anurag

  In complex client side projects, the number of Javascript files can get very large. However, for performance reasons it's good to concatenate these files, and compress the resulting file for sending over the wire. I am having problems in concatenating these as the dependencies are included after they are needed in some cases. For instance, there are 2 files: /modules/Module.js <requires Core.js> /modules/core/Core.js The directories are recursively traversed, and Module.js gets included before Core.js, which causes errors. This is just a simple example where dependencies could span across directories, and there could be other complex cases. There are no circular dependencies though. The Javascript structure I follow is similar to Java packages, where each file defines a single Object (I'm using MooTools, but that's irrelevant). The structure of each javascript file and the dependencies is always consistent: Module.js var Module = new Class({ Implements: Core, ... }); Core.js var Core = new Class({ ... }); What practices do you usually follow to handle dependencies in projects where the number of Javascript files is huge, and there are inter-file dependencies?

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• IE Display Bug, jQuery bug

  - by nute

  So I built some complex ajaxy jquery module on my homepage, with the help of "scrollable" from flowplayer.org. It works fine for me on Chrome, Opera, Firefox ... but of course IE is not playing friendly (regardless of the version, from my testing). Objects are not displaying exactly where they should, some are overlaying each other, and when a click a button some divs just disappear. However, if I resize the IE browser window up and down, the display mostly fixes itself. Then if I click on one of the buttons I made, it messes it up again. Until I resize the window again and it looks fine. To see the problem: Go to makemeheal.com Visit a couple of product pages (you need a product browsing history to see the module) Go to: http://www.makemeheal.com/mmh/home.do?forceshowIE=1 Look at the "Your Recent History" module. (note the forceshowIE=1, because by default I hide it for IE people) I was thinking maybe there is a way to force IE to redraw the entire module sometimes? Or maybe someone has a better idea on how to fix the underlying problem? Source code is available here: http://www.makemeheal.com/mmh/scripts/recentHistory.js http://www.makemeheal.com/mmh/styles/recentHistory.css Thanks

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• Version control a content management system?

  - by Mike

  I have the following directory structure in the CMS application we have written: /application /modules /cms /filemanager /block /pages /sitemap /youtube /rss /skin /backend /default /css /js /images /frontend /default /css /js /images Application contains code specific to the current CMS implementation, i.e code for this specific cms. Modules contain reusable portions of code that we share across projects, such as libraries to work with youtube or rss feeds. We include these as git submodules, so that we can update the module in any website and push the changes back across all other projects. It makes it really easy to apply a change to our code and distribute it. We wanted to turn the CMS into a module so we get the same benefit - we can run the entire project under source control, then update the cms as required through a git-submodule. We have run into a problem however: the cms requires javascript/images/css in order for it to work correctly. Things we have thought about: We could create 2 submodules, one for cms-skin and one for cms, but this means you cannot "git pull" one version without having some idea of which versions of skin work with which versions of cms. i.e version 1.2.2 CMS might have issues with 1.0.3 CMS-Skin We could add the skin to the cms module but this has the following problems: Skin should be available on the document root, module code shouldn't be, and if it is it should probably be secured via .htaccess It doesn't seem to make any sense bundling assets with php code We could create a symlink between /skin/backend/ to go to /modules/cms/skin but does this cause any security problems, and do we want to require something like a symlink for the application to work? We could create a hook for git or a shell script that copies files from modules/cms/skin to skin/backend when an update occurs, but this means we lose the ability to edit CMS core files in a project then push them back How is this typically done in large scale cms's? How is it possible to get the source code for a cms under version control, work on the application for a client, then update the sourcecode as releases and given by the vendor? How do applications like Magento or Drupal do this?

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• Python MySQL wrong architecture error

  - by phoebebright

  I've been at this for some time and read many sites on the subject. suspect I have junk lying about causing this problem. But where? This is the error when I import MySQLdb in python: >>> import MySQLdb /Library/Python/2.6/site-packages/MySQL_python-1.2.3c1-py2.6-macosx-10.6-universal.egg/_mysql.py:3: UserWarning: Module _mysql was already imported from /Library/Python/2.6/site-packages/MySQL_python-1.2.3c1-py2.6-macosx-10.6-universal.egg/_mysql.pyc, but /Users/phoebebr/Downloads/MySQL-python-1.2.3c1 is being added to sys.path Traceback (most recent call last): File "<stdin>", line 1, in <module> File "MySQLdb/__init__.py", line 19, in <module> import _mysql File "build/bdist.macosx-10.6-universal/egg/_mysql.py", line 7, in <module> File "build/bdist.macosx-10.6-universal/egg/_mysql.py", line 6, in __bootstrap__ ImportError: dlopen(/Users/phoebebr/.python-eggs/MySQL_python-1.2.3c1-py2.6-macosx-10.6-universal.egg-tmp/_mysql.so, 2): no suitable image found. Did find: /Users/phoebebr/.python-eggs/MySQL_python-1.2.3c1-py2.6-macosx-10.6-universal.egg-tmp/_mysql.so: mach-o, but wrong architecture I'm trying for 64 bit so checked here: file $(which python) /usr/bin/python: Mach-O universal binary with 3 architectures /usr/bin/python (for architecture x86_64): Mach-O 64-bit executable x86_64 /usr/bin/python (for architecture i386): Mach-O executable i386 /usr/bin/python (for architecture ppc7400): Mach-O executable ppc file $(which mysql) /usr/local/mysql/bin/mysql: Mach-O 64-bit executable x86_64 Have set my default version of python to 2.6 python Python 2.6.1 (r261:67515, Feb 11 2010, 00:51:29) [GCC 4.2.1 (Apple Inc. build 5646)] on darwin Tried deleting build directory and python setup.py clean Renamed Python/2.5/site-packages so it could not try and pick that up. Run out of ideas. Any suggestions?

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• How to extend an 'unloadable' Rails plugin?

  - by Vitaly Kushner

  I'm trying to write a plugin that will extend InheritedResources. Specifically I want to rewrite some default helpers. And I'd like it to "just work" once installed, w/o any changes to application code. The functionality is provided in a module which needs to be included in a right place. The question is where? :) The first attempt was to do it in my plugin's init.rb: InheritedResources::Base.send :include, MyModule It works in production, but fails miserably in development since InheritedResource::Base declared as unloadable and so its code is reloaded on each request. So my module is there for the first request, and then its gone. InheritedResource::Base is 'pulled' in again by any controller that uses it: Class SomeController < InheritedResource::Base But no code is 'pulling in' my extension module since it is not referenced anywhere except init.rb which is not re-loaded on each request So right now I'm just including the module manually in every controller that needs it which sucks. I can't even include it once in ApplicationController because InheritedResources inherites from it and so it will override any changes back. update I'm not looking for advice on how to 'monkey patch'. The extension is working in production just great. my problem is how to catch moment exactly after InheritedResources loaded to stick my extension into it :) update2 another attempt at clarification: the sequence of events is a) rails loads plugins. my plugin loads after inherited_resources and patches it. b) a development mode request is served and works c) rails unloads all the 'unloadable' code which includes all application code and also inherited_resources d) another request comes in e) rails loads controller, which inherites from inherited resources f) rails loads inherited resources which inherit from application_controller g) rails loads application_contrller (or may be its already loaded at this stage, not sure) g) request fails as no-one loaded my plugin to patch inherited_resources. plugin init.rb files are not reloaded I need to catch the point in time between g and h

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• ejb testing issues with netbeans and openejb

  - by SibzTer

  I have created a netbeans 6.7 EnterpriseApplication project with ejb and war modules with a test stateless session ejb with a simple sayHello() method. I also added the openEjb library in order to unit test the ejb. Everything runs fine except that I keep getting the following error: Testsuite: com.myapp.test.NewEmptyJUnitTest Apache OpenEJB 3.1.1 build: 20090530-06:18 http://openejb.apache.org/ INFO - openejb.home = C:\Users\me\Documents\NetBeansProjects\TestEnterpriseApp\TestEnterpriseApp-ejb INFO - openejb.base = C:\Users\me\Documents\NetBeansProjects\TestEnterpriseApp\TestEnterpriseApp-ejb INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service) INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager) INFO - Found ClientModule in classpath: C:\Program Files\NetBeans 6.7.1\java2\ant\lib\ant.jar INFO - Found ClientModule in classpath: C:\Program Files\NetBeans 6.7.1\java2\ant\lib\ant-launcher.jar INFO - Found EjbModule in classpath: C:\Users\me\Documents\NetBeansProjects\TestEnterpriseApp\TestEnterpriseApp-ejb\build\jar INFO - Found ClientModule in classpath: C:\Users\me\Documents\NetBeansProjects\TestEnterpriseApp\lib\OpenEJB\xml-resolver-1.2.jar INFO - Found ClientModule in classpath: C:\Users\me\Documents\Downloads\glassfish\lib\webservices-tools.jar INFO - Beginning load: C:\Program Files\NetBeans 6.7.1\java2\ant\lib\ant.jar INFO - Beginning load: C:\Program Files\NetBeans 6.7.1\java2\ant\lib\ant-launcher.jar INFO - Beginning load: C:\Users\me\Documents\NetBeansProjects\TestEnterpriseApp\TestEnterpriseApp-ejb\build\jar INFO - Beginning load: C:\Users\me\Documents\NetBeansProjects\TestEnterpriseApp\lib\OpenEJB\xml-resolver-1.2.jar INFO - Beginning load: C:\Users\me\Documents\Downloads\glassfish\lib\webservices-tools.jar INFO - Configuring enterprise application: classpath.ear WARN - No application-client.xml found assuming annotations present: classpath.ear, module: ant.jar WARN - No application-client.xml found assuming annotations present: classpath.ear, module: ant-launcher.jar WARN - No application-client.xml found assuming annotations present: classpath.ear, module: xml-resolver-1.2.jar WARN - No application-client.xml found assuming annotations present: classpath.ear, module: webservices-tools.jar java.lang.Exception: Could not load 1/0/com/sun/codemodel/CodeWriter.class at org.apache.xbean.finder.ClassFinder.readClassDef(ClassFinder.java:730) .... Turns out that I am getting the glassfish library webservices-tools.jar from somewhere somehow and I cant find out how to get rid of it so that I dont get the bunch of Exceptions whenever I try to run any junit tests. Has anyone faced this issue before? Can you help me resolve it please? Thanks.

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• SharePoint 2010 HttpModule problem

  - by Chris W

  I'm trying to write an HttpModule to run on our SharePoint farm - essentially it will check whether the user is authenticated and if they are it will validate some info against another database and potentially redirect the user to sign a variety of usage agreements. Whenever I enable the module in the web.config I'm finding that SharePoint has issues rendering the page - it's almost like the CSS is not getting loaded as the page is devoid of any styling. As a test I've even tried an empty module - i.e. an empty init block so it's not even hooking up any code to any events and the same issue arises. At this point it's an empty class that just implements IHttpModule so it's not even my dodgy coding causing the issue! The module is in a class library that I've dropped in to the bin folder of the application it needs to run against. In the web.config of the app I've simply added an entry as below: <modules runAllManagedModulesForAllRequests="true"> ... (default stuff ommitted) <add name="SharePointAUP" type="SPModules.SharePointAUP" /> </modules> I must be missing something really obvious here as I've done exactly the same as every sample I've found and yet I'm getting this strange behaviour. Is there something extra I need to do to get SharePoint to play nice with a custom module?

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• How to extend an 'unloadable' Rails plugin?

  - by Vitaly Kushner

  I'm trying to write a plugin that will extend InheritedResources. Specifically I want to rewrite some default helpers. And I'd like it to "just work" once installed, w/o any changes to application code. The functionality is provided in a module which needs to be included in a right place. The question is where? :) The first attempt was to do it in my plugin's init.rb: InheritedResources::Base.send :include, MyModule It works in production, but fails miserably in development since InheritedResource::Base declared as unloadable and so its code is reloaded on each request. So my module is there for the first request, and then its gone. InheritedResource::Base is 'pulled' in again by any controller that uses it: Class SomeController < InheritedResource::Base But no code is 'pulling in' my extension module since it is not referenced anywhere except init.rb which is not re-loaded on each request So right now I'm just including the module manually in every controller that needs it which sucks. I can't even include it once in ApplicationController because InheritedResources inherites from it and so it will override any changes back.

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• SugarCRM SOAP set_relationship between Contacts and Prospect lists bug

  - by AntonioCS

  Hey! I am trying to create a relationship between a Prospect List (target list) and a Contact. I create a new contact and get the id of a prospect list all using classes I created which are just wrappers for the soap api calls sugar provides. But the code boils down to this soap call: $this->_sugarsoap->client->__soapCall('set_relationship', array($this->getSessionid(),$relationship)); $this-getSessionid() Is the session Id and $relationship is an array which holds this: array 0 => string 'ProspectLists' (length=13) 1 => string '180ab1f5-cf7e-d386-50f8-4c18a790e016' (length=36) 2 => string 'Contacts' (length=8) 3 => string '76323942-8cbb-3224-f18a-4c19efa80a1b' (length=36) After I try this I always get this error: (I do a var_dump of the returned values of the soap call) object(stdClass)[5] public 'number' => string '20' (length=2) public 'name' => string 'Module Does Not Exist' (length=21) public 'description' => string 'This module is not available on this server' (length=43) This seems like a sugarcrm bug because I do have the contacts module and also the prospect lists module. I know this for a fact because I add a contact via the soap call and also retrieve the id of a prospect list via the soap call. I found this thread in the sugar forums and I did try the code given there but I still got the same error. Anyone have a solution for this? I really need to associate a contact to a prospect list (target list) via a soap call. I am using SugarCRM 5.5.0 (I also tried with sugarcrm 5.5.2 and got the same error) on ubuntu server using mysql. Thanks!

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• Test Ruby-on-Rails controller with RSpec and different route name

  - by jhwist

  I have a Rails model named Xpmodule with a corresponding controller XpmoduleController. class XpmoduleController < ApplicationController def index @xpmodule = Xpmodule.find(params[:module_id]) end def subscribe flash[:notice] = "You are now subscribed to #{params[:subscription][:title]}" redirect_to :action => :index end end The original intent was to name the model Module which for obvious reasons doesn't work. However I still want to have the URLs look like /module/4711/ therefore I added this to my routes.rb: map.connect '/module/:module_id', :controller => 'xpmodule', :action => 'index' map.connect '/module/:module_id/subscribe', :controller => 'xpmodule', :action => 'subscribe' Now I want to test this controller with Rspec: describe XpmoduleController do fixtures :xpmodules context "index" do it "should assign the current xpmodule" do xpm = mock_model(Xpmodule) Xpmodule.should_receive(:find).and_return(xpm) get "index" assigns[:xpmodule].should be_an_instance_of(Xpmodule) end end end for which I get No route matches {:action=>"index", :controller=>"xpmodule"}. Which of course is sort-of right, but I don't want to add this route just for testing purposes. Is there a way to tell Rspec to call a different URL in get?

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• Python libusb pyusb "mach-o, but wrong architecture"

  - by Jon

  I am having some trouble with the pyusb module. I have narrowed down the problem to a single line, and have created a small example script to replicate the error. #!/usr/bin/env python """ This module was created to isolate the problem in the pyusb package. Operating system: Mac OS 10.6.3 Python Version: 2.6.4 libusb 1.0.8 has been successfully installed using: sudo port install libusb I have also tried modifying /opt/local/etc/macports/macports.conf to force the i386 architecture instead of x86_64. """ from ctypes import * import ctypes.util libname = ctypes.util.find_library('usb-1.0') print 'libname: ', libname l = CDLL(libname, RTLD_GLOBAL) # RESULT: #libname: /usr/local/lib/libusb-1.0.dylib #Traceback (most recent call last): # File "./pyusb_problem.py", line 7, in <module> # l = CDLL(libname, RTLD_GLOBAL) # File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ctypes/__init__.py", line 353, in __init__ # self._handle = _dlopen(self._name, mode) #OSError: dlopen(/usr/local/lib/libusb-1.0.dylib, 10): no suitable image found. Did find: # /usr/local/lib/libusb-1.0.dylib: mach-o, but wrong architecture # End of File This same script runs on Ubuntu 10.04 successfully. I have tried building the libusb module (directly from source AND through macports) for 32-bit (i386) instead of x86_64 (default for OS 10.6), but I receive the same error. Thank-you in advance for your help!

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• Error C2451: Illegal conditional expression of type 'UnaryOp<E1, Op>' in ostream - visual studio 9

  - by Steven Hill

  I am getting a repeated error with VS 9. The code compiles under GNU C++, but I want debug with the VS IDE. Any idea what could be causing this error. Error 13 error C2451: conditional expression of type 'UnaryOp' is illegal \Microsoft Visual Studio 9.0\VC\include\ostream 512 //unary constraint template class UnaryOp : public Constraint { public: const E1& e1; UnaryOp(const E1& _e1); bool Satisfiable() const; Bool SatisfiableAux() const; void Print (std::ostream& os) const; UnaryOp* clone () const; //operator bool () const { return true; } }; template std::ostream& operator<<(std::ostream& os, const UnaryOp& unop); UnaryOp code that uses ostream: template INLINE void UnaryOp::Print (std::ostream& os) const { os << *this; } template INLINE std::ostream& operator<<(std::ostream& os, const UnaryOp& unop) { return os << Op::name << unop.e1; } ostream line with error: _Myt& __CLR_OR_THIS_CALL put(_Elem _Ch) { // insert a character ios_base::iostate _State = ios_base::goodbit; const sentry _Ok(*this); 512 if (!_Ok) _State |= ios_base::badbit; else { // state okay, insert character _TRY_IO_BEGIN

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• Haystack / Whoosh Index Generation Error

  - by Keith Fitzgerald

  I'm trying to setup haystack with whoosh backend. When i try to gen the index [or any index command for that matter] i receive: TypeError: Item in ``from list'' not a string if i completely remove my search_indexes.py i get the same error [so i'm guessing it can't find that file at all] what might cause this error? it's set to autodiscover and i'm sure my app is installed because i'm currently using it. Full traceback: Traceback (most recent call last): File "./manage.py", line 17, in <module> execute_manager(settings) File "/Users/ghostrocket/Development/Redux/.dependencies/django/core/management/__init__.py", line 362, in execute_manager utility.execute() File "/Users/ghostrocket/Development/Redux/.dependencies/django/core/management/__init__.py", line 303, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/Users/ghostrocket/Development/Redux/.dependencies/django/core/management/__init__.py", line 257, in fetch_command klass = load_command_class(app_name, subcommand) File "/Users/ghostrocket/Development/Redux/.dependencies/django/core/management/__init__.py", line 67, in load_command_class module = import_module('%s.management.commands.%s' % (app_name, name)) File "/Users/ghostrocket/Development/Redux/.dependencies/django/utils/importlib.py", line 35, in import_module __import__(name) File "/Users/ghostrocket/Development/Redux/.dependencies/haystack/__init__.py", line 124, in <module> handle_registrations() File "/Users/ghostrocket/Development/Redux/.dependencies/haystack/__init__.py", line 121, in handle_registrations search_sites_conf = __import__(settings.HAYSTACK_SITECONF) File "/Users/ghostrocket/Development/Redux/website/../website/search_sites.py", line 2, in <module> haystack.autodiscover() File "/Users/ghostrocket/Development/Redux/.dependencies/haystack/__init__.py", line 83, in autodiscover app_path = __import__(app, {}, {}, [app.split('.')[-1]]).__path__ TypeError: Item in ``from list'' not a string and here is my search_indexes.py from haystack import indexes from haystack import site from myproject.models import * site.register(myobject)

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• Com server build using Python on 64-bit Windows 7 machine

  - by Vijayendra Bapte

  Original post is here: http://mail.python.org/pipermail/python-win32/2010-December/011011.html I am using: OS: 64 bit Windows 7 Professional Python: python-2.7.1.amd64 Python win32 extensions: pywin32-214.win-amd64-py2.7 Py2exe: py2exe-0.6.9.win64-py2.7.amd64 I am trying to build icon overlay for Windows. It has worked fine on 32 bit Windows but not working on 64 bit Windows 7. Here are the Python modules I have created for testing: test_icon_overlay.py: ( http://mail.python.org/pipermail/python-win32/attachments/20101229/bb8c78a4/attachment-0002.obj ) com server created in Python for icon overlay which adds check mark overlay icon(C:\icons\test.ico) on "C:\icons" folder setup_VI.py: ( http://mail.python.org/pipermail/python-win32/attachments/20101229/bb8c78a4/attachment-0003.obj ) setup file which creates test_icon_overlay.dll for distribution. icons.zip: ( http://mail.python.org/pipermail/python-win32/attachments/20101229/bb8c78a4/attachment-0001.zip ) for testing you should extract icons.zip inside C:\ Icon overlay appears on C:\icons folder when I execute python test_icon_overlay.py on Windows command prompt and restarts explorer.exe. But its not working with the dll file created using setup_VI.py I have created dll file using python setup_VI.py py2exe and then tried to register it using regsvr32 test_icon_overlay.dll. Registration fails with windows error message Error 0x80040201 while registering shell extension. Then I turned on logger in Python27/Lib/site-packages/py2exe/boot_com_servers.py and here is the traceback which I am getting in comerror.txt on regsvr32 test_icon_overlay.dll PATH is ['C:\\root\\avalon\\module\\sync\\python\\src\\dist\\library.zip'] Traceback (most recent call last): File "boot_com_servers.py", line 37, in <module> pywintypes.error: (126, 'GetModuleFileName', 'The specified module could not be found.') Traceback (most recent call last): File "<string>", line 1, in <module> NameError: name 'DllRegisterServer' is not defined Looks like there might be a problem with win32api.GetModuleFileName(sys.frozendllhandle) or with the dll build on 64-bit Windows 7. Also, I saw that installation of pywin32-214.win-amd64-py2.7 on 64-bit Windows 7 finish with the error message: Snapshot close failed in file object destructor: sys.excepthook is missing lost sys.stderr Is there anything which I am doing wrong? Any help on this is highly appreciated.

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• How do I correctly install dulwich to get hg-git working on Cygwin?

  - by Erik Vold

  I have a similar issue as in this issue, but in my case I am trying to use cygwin. First I followed the instructions here, and I ran: $ easy_install hg-git The I created ~/.hgrc, with: [extensions] hgext.bookmarks = hggit = Then when I typed 'hg' at a command prompt, I'd see: "* failed to import extension hggit: No module named hggit" So I did a search for "hggit" and found /cygdrive/c/Python26/Lib/site-packages/hg_git-0.2.1-py2.6.egg/hggit, so I updated .hgrc: [extensions] hgext.bookmarks = hggit = /cygdrive/c/Python26/Lib/site-packages/hg_git-0.2.1-py2.6.egg/hggit Then when I type 'hg' I get "No module named dulwich.errors" If you read this question, it's the same problem. In python shell I cannot import dulwich: >>> import dulwich Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named dulwich I checked out my easy-install.pth and it does contain the dulwich egg: import sys; sys.__plen = len(sys.path) ./hg_git-0.2.1-py2.6.egg ./dulwich-0.5.0-py2.6-win32.egg import sys; new=sys.path[sys.__plen:]; del sys.path[sys.__plen:]; p=getattr(sys,'__egginsert',0); sys.path[p:p]=new; sys.__egginsert = p+len(new) So how can I fix this so that import dulwich works, which should fix my problem using hg-git I assume..

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• Python - Code snippet not working on Python 2.5.6, using IDLE

  - by Francisco P.

  Hello, everyone I am using a piece of self-modifying code for a college project. Here it is: import datetime import inspect import re import sys def main(): # print the time it is last run lastrun = 'Mon Jun 8 16:31:27 2009' print "This program was last run at ", print lastrun # read in the source code of itself srcfile = inspect.getsourcefile(sys.modules[__name__]) f = open(srcfile, 'r') src = f.read() f.close() # modify the embedded timestamp timestamp = datetime.datetime.ctime(datetime.datetime.now()) match = re.search("lastrun = '(.*)'", src) if match: src = src[:match.start(1)] + timestamp + src[match.end(1):] # write the source code back f = open(srcfile, 'w') f.write(src) f.close() if __name__=='__main__': main() Unfortunately, it doesn't work. Error returned: # This is the script's output This program is last run at Mon Jun 8 16:31:27 2009 # This is the error message Traceback (most recent call last): File "C:\Users\Rui Gomes\Desktop\teste.py", line 30, in <module> main() File "C:\Users\Rui Gomes\Desktop\teste.py", line 13, in main srcfile = inspect.getsourcefile(sys.modules[__name__]) File "C:\Python31\lib\inspect.py", line 439, in getsourcefile filename = getfile(object) File "C:\Python31\lib\inspect.py", line 401, in getfile raise TypeError('{!r} is a built-in module'.format(object)) TypeError: <module '__main__' (built-in)> is a built-in module I'd be thankful for any solutions.

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• Deserialize generic collections - coming up empty

  - by AC

  I've got a settings object for my app that has two collections in it. The collections are simple List generics that contain a collection of property bags. When I serialize it, everything is saved with no problem: XmlSerializer x = new XmlSerializer(settings.GetType()); TextWriter tw = new StreamWriter(@"c:\temp\settings.cpt"); x.Serialize(tw, settings); However when I deserialize it, everything is restored except for the two collections (verified by setting a breakpoint on the setters: XmlSerializer x = new XmlSerializer(typeof(CourseSettings)); XmlReader tr = XmlReader.Create(@"c:\temp\settings.cpt"); this.DataContext = (CourseSettings)x.Deserialize(tr); What would cause this? Everything is pretty vanilla... here's a snippet from the settings object... omitting most of it. The PresentationSourceDirectory works just fine, but the PresentationModules' setter isn't hit: private string _presentationSourceDirectory = string.Empty; public string PresentationSourceDirectory { get { return _presentationSourceDirectory; } set { if (_presentationSourceDirectory != value) { OnPropertyChanged("PresentationSourceDirectory"); _presentationSourceDirectory = value; } } } private List<Module> _presentationModules = new List<Module>(); public List<Module> PresentationModules { get { var sortedModules = from m in _presentationModules orderby m.ModuleOrder select m; return sortedModules.ToList<Module>(); } set { if (_presentationModules != value) { _presentationModules = value; OnPropertyChanged("PresentationModules"); } } }

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• Boost bind with asio::placeholders::error

  - by Leandro

  Why it doesn't work? --- boost_bind.cc --- #include #include #include void func1 (const int& i) { } void func2 (const ::asio::error_code& e) { } int main () { ::boost::function f1 = ::boost::bind (&func1, 1); // it doesn't work! ::boost::function f2 = ::boost::bind (&func2, ::asio::placeholders::error); return 0; } This is the error: while_true@localhost:~ g++ -lpthread boost_bind.cc -o boost_bind In file included from boost_bind.cc:2: /usr/include/boost/bind.hpp: In member function ‘void boost::_bi::list1::operator()(boost::_bi::type, F&, A&, int) [with F = void (*)(const asio::error_code&), A = boost::_bi::list0, A1 = boost::arg (*)()]’: /usr/include/boost/bind/bind_template.hpp:20: instantiated from ‘typename boost::_bi::result_traits::type boost::_bi::bind_t::operator()() [with R = void, F = void (*)(const asio::error_code&), L = boost::_bi::list1 (*)()]’ /usr/include/boost/function/function_template.hpp:152: instantiated from ‘static void boost::detail::function::void_function_obj_invoker0::invoke(boost::detail::function::function_buffer&) [with FunctionObj = boost::_bi::bind_t (*)() , R = void]’ /usr/include/boost/function/function_template.hpp:904: instantiated from ‘void boost::function0::assign_to(Functor) [with Functor = boost::_bi::bind_t (*)() , R = void]’ /usr/include/boost/function/function_template.hpp:720: instantiated from ‘boost::function0::function0(Functor, typename boost::enable_if_c::type) [with Functor = boost::_bi::bind_t (*)() , R = void]’ /usr/include/boost/function/function_template.hpp:1040: instantiated from ‘boost::function::function(Functor, typename boost::enable_if_c::type) [with Functor = boost::_bi::bind_t (*)() , R = void]’ boost_bind.cc:14: instantiated from here /usr/include/boost/bind.hpp:232: error: no match for ‘operator[]’ in ‘a[boost::_bi::storage1 (*)()::a1_ [with int I = 1]]’ while_true@localhost:~

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• Link Maven OSGi to Maven NetBeans Platform Project

  - by mxro

  I am using NetBeans 6.9 Beta and I would like to accomplish the following: Set up a project representing the main application using Maven (for instance "Maven Project", "Maven NetBeans Application") Ideally, the project should only contain the necessary libraries to run in Apache Felix (I would like to be able to right-click the project and select "Run in Felix") I do not want that the project contains all the NetBean Platform APIs I would prefer to implement the modules using OSGi. For instance "Maven OSGi Bundle", "Maven NetBeans Module" + OSGi These are the problems, which I have at the moment: The standard Maven archetype ("Maven NetBeans Application") seems always to select all APIs and I have not found a way to deselect APIs - in normal NetBeans Platform Applications that can be accomplished by going to the project properties and deselected the platform modules) - I guess it has something to do with the NetBeans repository (http://bits.netbeans.org/maven2)? Do I have to create another repository? When creating normal "NetBeans Module" with OSGi support, the modules contain both NetBeans Module and OSGi meta data, which is nice. But the "Maven NetBeans Modules" have only NetBeans meta data and the Maven OSGi Bundles have only OSGi meta data). I figured out how to add modules to the project by using project / new and then placing the modules in the Maven project folder. However, I do not quite know yet how I could link to modules from other locations (NetBeans uses Maven modules, which have to be in the same directory as the project?). Below some useful links for Maven + OSGi in NetBeans wiki.netbeans.org/STS_69_Maven_OSGI NetBeans Maven OSGi Test Specification platform.netbeans.org/tutorials/nbm-maven-quickstart.html NetBeans Platform Quick Start Using Maven (6.9) wiki.netbeans.org/MavenBestPractices NetBeans Maven BestPractices maven.apache.org/pom.html#Aggregation Maven Documentation Multi-Module Projects (sorry about the missing protocol but couldn't post the message otherwise)

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• HttpModule.Init - safely add HttpApplication.BeginRequest handler in IIS7 integrated mode

  - by Paul Smith

  My question is similar but not identical to: http://stackoverflow.com/questions/1123741/why-cant-my-host-softsyshosting-com-support-beginrequest-and-endrequest-event (I've also read the mvolo blog referenced therein) The goal is to successfully hook HttpApplication.BeginRequest in the IHttpModule.Init event (or anywhere internal to the module), using a normal HttpModule integrated via the system.webServer config, i.e. one that doesn't: invade Global.asax or override the HttpApplication (the module is intended to be self-contained & reusable, so e.g. I have a config like this): <system.webServer> <validation validateIntegratedModeConfiguration="false"/> <modules> <remove name="TheHttpModule" /> <add name="TheHttpModule" type="Company.HttpModules.TheHttpModule" preCondition="managedHandler" /> So far, any strategy I've tried to attach a listener to HttpApplication.BeginRequest results in one of two things, symptom 1 is that BeginRequest never fires, or symptom 2 is that the following exception gets thrown on all managed requests, and I cannot catch & handle it from user code: Stack Trace: [NullReferenceException: Object reference not set to an instance of an object.] System.Web.PipelineModuleStepContainer.GetEventCount(RequestNotification notification, Boolean isPostEvent) +30 System.Web.PipelineStepManager.ResumeSteps(Exception error) +1112 System.Web.HttpApplication.BeginProcessRequestNotification(HttpContext context, AsyncCallback cb) +113 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +616 Commenting out app.BeginRequest += new EventHandler(this.OnBeginRequest) in Init stops the exception of course. Init does not reference the Context or Request objects at all. I have tried: Removed all references to HttpContext.Current anywhere in the project (still symptom 1) Tested removing all code from the body of my OnBeginRequest method, to ensure the problem wasn't internal to the method (= exception) Sniffing the stack trace and only calling app.BeginRequest+=... when if the stack isn't started by InitializeApplication (= BeginRequest not firing) Only calling app.BeginRequest+= on the second pass through Init (= BeginRequest not firing) Anyone know of a good approach? Is there some indirect strategy for hooking Application_Start within the module (seems unlikely)? Another event which a) one can hook from a module's constructor or Init method, and b) which is subsequently a safe place to attach BeginRequest event handlers? Thanks much

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• What's the fastest way to get CRUD over CGI on a database handle in Perl?

  - by mithaldu

  TL;DR: Want to write CGI::CRUD::Simple (a minimalist interface module for CGI::CRUD), but I want to check first if i overlooked a module that already does that. I usually work with applications that don't have the niceties of having frameworks and such already in place. However, a while ago i found myself in a situation where i was asking myself: "Self, i have a DBI database handle and a CGI query object, isn't there a module somewhere that can use this to give me some CRUD so i can move on and work on other things instead of spending hours writing an interface?" A quick survey on CPAN gave me: CGI::Crud Catalyst::Plugin::CRUD Gantry::Plugins::CRUD Jifty::View::Declare::CRUD CatalystX::CRUD Catalyst::Controller::CRUD CatalystX::CRUD::REST Catalyst::Enzyme Now, I didn't go particularly in-depth when looking at these modules, but, safe the first one, they all seem to require the presence of some sort of framework. Please tell me if i was wrong and i can just plug any of those into a barebones CGI script. CGI::CRUD seemed to do exactly what i wanted, although it did insist on being used through a rather old and C-like script that must be acquired on a different site and then prodded in various ways and manners to produce something useful. I went with that and found that it works pretty neat and that it should be rather easy to write a simple and easy-to-use module that provides a very basic [dbh, cgi IN]-[html OUT] interface to it. However, as my previous survey was rather short and i may have been hasty in dismissing modules or missed others, i find myself wondering whether that would only be duplication of work already done. As such i ponder the question in the title. PS: I tend to be too short in some of my explanations and make too many assumptions that others think about things similarly as me, resulting in leaving out critical details. If you find yourself wondering just what exactly I am thinking about when i say CRUD, please poke me in comments and I'll amend the question.

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• How to print a number with a space as thousand separator?

  - by dygi

  I've got a simple class Currency with overloaded operator<<. I don't know how can i separate the number with spaces every 3 digits, so it looks like: "1 234 567 ISK". #include <cstdlib> #include <iostream> using namespace std; class Currency { int val; char curr[4]; public: Currency(int _val, const char * _curr) { val = _val; strcpy(curr, _curr); } friend ostream & operator<< (ostream & out, const Currency & c); }; ostream & operator<< (ostream & out, const Currency & c) { out << c.val<< " " << c.curr; return out; } int main(int argc, char *argv[]) { Currency c(2354123, "ISK"); cout << c; } What interests me, is somehow the easiest solution for this particular situation.

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