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  • is_admin? function in rails? - undefined method Error

    - by Newbie
    Hello! At the moment, I am creating some kind of admin panel/backend for my site. I want to do the following: Only admins (a user has a user_role(integer) -- 1 = admin, 2 = moderator, 3 = user) can see and access a link for the admin panel. So I created an admin_controller. In my admin controller I created a new function called is_admin?: class AdminController < ApplicationController def admin_panel end def is_admin? current_user.user_role == 1 end end my route looks like. map.admin_panel '/admin-panel', :controller => 'admin', :action => 'admin_panel' and in my _sidebar.html.erb (partial in applicaton.html.erb) I created the link: <%= link_to "Admin Panel", :admin_panel unless is_admin? %> Now I get an error called: undefined method `is_admin?' Where is the problem? Please help me solving this problem!

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  • Setting a preferred item of a many-to-one in Django

    - by Mike DeSimone
    I'm trying to create a Django model that handles the following: An Item can have several Names. One of the Names for an Item is its primary Name, i.e. the Name displayed given an Item. (The model names were changed to protect the innocent.) The models.py I've got looks like: class Item(models.Model): primaryName = models.OneToOneField("Name", verbose_name="Primary Name", related_name="_unused") def __unicode__(self): return self.primaryName.name class Name(models.Model): item = models.ForeignKey(Item) name = models.CharField(max_length=32, unique=True) def __unicode__(self): return self.name class Meta: ordering = [ 'name' ] The admin.py looks like: class NameInline(admin.TabularInline): model = Name class ItemAdmin(admin.ModelAdmin): inlines = [ NameInline ] admin.site.register(Item, ItemAdmin) It looks like the database schema is working fine, but I'm having trouble with the admin, so I'm not sure of anything at this point. My main questions are: How do I explain to the admin that primaryName needs to be one of the Names of the item being edited? Is there a way to automatically set primaryName to the first Name found, if primaryName is not set, since I'm using inline admin for the names?

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  • linux (centos) privilege to copy file

    - by vick
    I need some help with priviligies in centos I have a file in home/admin/public_html/generate.php that I want to do some file copy with using php copy function When I set the file to chown admin:admin generate.php I can access the file but I cannot execute the php copy command because I don't have the proper rights. When I set the file to root:root generate.php I cant access the file beacuse its under admin user folder home/admin/public_html/generate.php how do I solve please, thankful for any help. Bottom line is that I want my generate.php which is owned by admin:admin to be able to copy files from sources outside its home dir and to other home dirs I am using CENTOS

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  • [Principles] Concrete Type or Interface for method return type?

    - by SDReyes
    In general terms, whats the better election for a method's return type: a concrete type or an interface? In most cases, I tend to use concrete types as the return type for methods. because I believe that an concrete type is more flexible for further use and exposes more functionality. The dark side of this: Coupling. The angelic one: A concrete type contains per-se the interface you would going to return initially, and extra functionality. What's your thumb's rule? Is there any programming principle for this? BONUS: This is an example of what I mean http://stackoverflow.com/questions/491375/readonlycollection-or-ienumerable-for-exposing-member-collections

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  • How do I configure an interface to have *both* a DHCP address and a static address in Ubuntu?

    - by Paul Hoffman
    In a lab setup, I want eth0 on a Ubuntu server box to get a DHCP address for talking to the outside world, and I also want to assign it a static 10.x.y.z address for talking to other boxes on the local network that have 10.x.y.z addresses. I want to do this by editing /etc/network/interfaces. The man page for /etc/network/interfaces is modeled after "here's a bunch of examples, I hope you can figure out the actual rules on your own". I don't see a way to give one interface two addresses using two different methods (static and dhcp), and initial fumbling didn't produce useful results.

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  • Apache mod_rewrite driving me mad

    - by WishCow
    The scenario I have a webhost that is shared among multiple sites, the directory layout looks like this: siteA/ - css/ - js/ - index.php siteB/ - css/ - js/ - index.php siteC/ . . . The DocumentRoot is at the top level, so, to access siteA, you type http://webhost/siteA in your browser, to access siteB, you type http://webhost/siteB, and so on. Now I have to deploy my own site, which was designed with having 3 VirtualHosts in mind, so my structure looks like this: siteD/ - sites/sitename.com/ - log/ - htdocs/ - index.php - sites/static.sitename.com - log/ - htdocs/ - css - js - sites/admin.sitename.com - log/ - htdocs/ - index.php As you see, the problem is that my index.php files are not at the top level directory, unlike the already existing sites on the webhost. Each VirtualHost should point to the corresponding htdocs/ folder: http://siteD.com -> siteD/sites/sitename.com/htdocs http://static.siteD.com -> siteD/sites/static.sitename.com/htdocs http://admin.siteD.com -> siteD/sites/admin.sitename.com/htdocs The problem I cannot have VirtualHosts on this host, so I have to emulate it somehow, possibly with mod_rewrite. The idea Have some predefined parts in all of the links on the site, that I can identify, and route accordingly to the correct file, with mod_rewrite. Examples: http://webhost/siteD/static/js/something.js -> siteD/sites/static.sitename.com/htdocs/js/something.js http://webhost/siteD/static/css/something.css -> siteD/sites/static.sitename.com/htdocs/css/something.css http://webhost/siteD/admin/something -> siteD/sites/admin.sitename.com/htdocs/index.php http://webhost/siteD/admin/sub/something -> siteD/sites/admin.sitename.com/htdocs/index.php http://webhost/siteD/something -> siteD/sites/sitename.com/htdocs/index.php http://webhost/siteD/sub/something -> siteD/sites/sitename.com/htdocs/index.php Anything that starts with http://url/sitename/admin/(.*) will get rewritten, to point to siteD/sites/admin.sitename.com/htdocs/index.php Anything that starts with http://url/sitename/static/(.*) will get rewritten, to point to siteD/sites/static.sitename.com/htdocs/$1 Anything that starts with http://url/sitename/(.*) AND did not have a match already from above, will get rewritten to point to siteD/sites/sitename.com/htdocs/index.php The solution Here is the .htaccess file that I've come up with: RewriteEngine On RewriteBase / RewriteCond %{REQUEST_URI} ^/siteD/static/(.*)$ [NC] RewriteRule ^siteD/static/(.*)$ siteD/sites/static/htdocs/$1 [L] RewriteCond %{REQUEST_URI} ^/siteD/admin/(.*)$ [NC] RewriteRule ^siteD/(.*)$ siteD/sites/admin/htdocs/index.php [L,QSA] So far, so good. It's all working. Now to add the last rule: RewriteCond %{REQUEST_URI} ^/siteD/(.*)$ [NC] RewriteRule ^siteD/(.*)$ siteD/sites/public/htdocs/index.php [L,QSA] And it's broken. The last rule catches everything, even the ones that have static/ or admin/ in them. Why? Shouldn't the [L] flag stop the rewriting process in the first two cases? Why is the third case evaluated? Is there a better way of solving this? I'm not sticking to rewritemod, anything is fine as long as it does not need access to server-level config. I don't have access to RewriteLog, or anything like that. Please help :(

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  • django url matching with Lighttpd fastcgi

    - by 7seb
    I have a problem with url. I can access the djando app home page ( localhost/djangotest/ ) but can't access the admin section ( localhost/djangotest/admin/ ). I can access it using the django server instead of lighttpd. Lighttp conf : fastcgi.server = ( "/djangotest/" => ( "main" => ( "host" => "127.0.0.1", "port" => 3033, "check-local" => "disable", ) ), ) url.rewrite-once = ( "^(/media.*)$" => "$1", "^/favicon\.ico$" => "/media/favicon.ico", "^/djangotest/[^?](.*)$" => "/djangotest/?$1", ) The django url.py is just : (i just uncommented the good lines) : from django.conf.urls.defaults import patterns, include, url from django.contrib import admin admin.autodiscover() urlpatterns = patterns('', url(r'^admin/', include(admin.site.urls)), ) I tried many things but without success ... (no need to link to https://docs.djangoproject.com/en/dev/howto/deployment/fastcgi/ ) lighttpd/1.4.28 Python 2.7.2+ Django 1.3.0

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  • How do I add a broadcast IP to the loopback interface under os/x using ifconfig when my machine has no network?

    - by bandodeotarios
    I'm new to advanced network administration and I would like to do some testing with UDP broadcasting, so I need a broadcast address on my loopback interface. The machine is offline, in other words, there is no network. How can I accomplish that through ifconfig without having to buy a switch as one user in the comments suggested. In Linux all i have to do is use 127.255.255.255 and broadcasts work fine without any network or any switch. If I have a network i can just use 255.255.255.255, obviously.

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  • Accessing IPv6 router interface from a minimal Fedora installation?

    - by Zack
    I've recently installed Fedora 16 and am trying to set up a simple apache server. The only problem I've run into so far is that I'm unable to access my router's web interface from any box on my network. It assigns addresses via dhcp, and the router always responds to a ping. The server is also picking up an IP from the router on the proper subnet. Now, all I really need to do is forward a port, however I am receiving "Unable to connect" through the web interfaces and "connection refused" via telnet. What are my options, and how might I go about troubleshooting this? Will I need the server's ip to be static in order to change these settings? The router is a "Netopia" model, if that helps.

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  • mod_rewrite to page with HTTP auth

    - by Joe
    I'm trying to use modrewrite to proxy http:://myserver/cam1 to an internal, http-auth protected server at http:://admin:[email protected]/cgi/mjpg/mjpg.cgi No matter what I try, though, requests to http:://myserver/cam1 always prompt me for the username and password. I've tried all of these to no avail. RewriteRule ^/cam1 http://admin:[email protected]/cgi/mjpg/mjpg.cgi [P,L] RewriteRule ^/cam1 http://192.168.99.130/cgi/mjpg/mjpg.cgi [E=Authorization:Basic\ YWRtaW46YWRtaW4=,P,L] RewriteRule ^/cam1 http://192.168.99.130/cgi/mjpg/mjpg.cgi [E=HTTP_USERID:admin,E=HTTP_PASSWORD:admin,P,L]` Anybody have any other ideas?

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  • Can't move or access WSS Central Administration site

    - by Jim
    We have several WSS Servers: WSS1 WSS2 WSS3 WSS4 SharePoint thinks that Central Administration is on WSS3 and that it can be access via SSL on port 22641. The problem is that central administration is not there. It was removed using the config wizard. We removed central admin from all servers to clean everything out, and we tried installing Central Admin on WSS1. The alternate access mappings still point to central admin on WSS3. We tried deleting the alternate access mappings, but SharePoint won't let you delete central admin's mapping. Later, we removed central admin from all of our servers and tried creating the Central Admin website on WSS3, where SharePoint already thinks it is. But for some reason SharePoint is creating the alternate access mappings using SSL, and we don't have a certificate for the server. Why is SharePoint creating alternate access mappings routing an https internal URL by default? How can we move central administration to a new server? We are using WSS 3.0.

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  • In Debian, how can I route rtorrent to a certain network interface, say ppp0?

    - by Timo
    I have purchased a PPTP account from StrongVPN and configured the setup by these (http://pptpclient.sourceforge.net/howto-debian.phtml#configure_by_hand) instructions and now I want to have rtorrent do its communication to the Internet through this VPN tunnel. So I have a ppp0 interface, which has the VPN tunnel. What is the next step? I guess it has something to do with the routing tables? I am new to routing, so please be elementary and precise so that I understand! Thank you!

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  • Handling changes in an interface shared across multiple solutions?

    - by Anthony Mastrean
    Our "main" solution is the development code: shared libraries, services, UI projects, etc. The other solution is an integration and automated tests solution. It references several of the development projects. The reason it is separate is to avoid interference with the development solution's unit test VSMDI file. And to allow us to play with different execution methods (other test runners, like Gallio or StoryTeller) without interfering with the development solution. Recently, an interface changed in the development solution, one of our test mocks implemented that interface. But, it was not updated because there was no warning at compile time because it was in another solution. This broke our CI build. Does anyone have a similar setup? How do you handle these issues, do you follow a strict procedure or is there some kind of technical answer?

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  • Which collection interface should I use in .NET for COM-interop?

    - by jhominal
    That is a followup from my previous question, but you don't need to read it to understand that one. I'm designing an interface in .NET that would be consumed from COM applications (mainly VB6, but Visual C++ 6 is also a possibility) and I would like to use Collection types as argument and return types for the methods in the interface. Questions: What happens to the VB6 built-in collection types (arrays, collections, dictionaries) when they go through interop? My current guess is that: arrays - System.Array collections - Microsoft.VisualBasic.Collection dictionaries - System.Collections.Hashtable Is that correct? Which interfaces should I use as return types? IEnumerable, ICollection, IList, IDictionary? Would I be able to do a For Each in VB6 to iterate over these interfaces? Should I use the generic or non-generic variants of the interfaces?

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  • In Debian, how can I route rtorrent to a certain network interface, say ppp0?

    - by Timo
    I have purchased a PPTP account from StrongVPN and configured the setup by these (http://pptpclient.sourceforge.net/howto-debian.phtml#configure_by_hand) instructions and now I want to have rtorrent do its communication to the Internet through this VPN tunnel. So I have a ppp0 interface, which has the VPN tunnel. What is the next step? I guess it has something to do with the routing tables? I am new to routing, so please be elementary and precise so that I understand! Thank you!

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  • Virtual machine on ubuntu

    - by MITHIYA MOIZ
    I have configured virtual machine on ubuntu with the help of below article, https://help.ubuntu.com/9.04/serverguide/C/libvirt.html I managed to finish all the part except the major portion getting virtual host to talk to real network, Which I guess should be done only via bridge interface. Via virtual machine manager I try to choose any interface it gives me interface not bridged When I try to bridge the interceface eth0 as below auto br0 iface br0 inet static address 192.168.0.223 network 192.168.0.0 netmask 255.255.255.0 broadcast 192.168.0.255 gateway 192.168.0.1 bridge_ports eth0 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off I cannot communicate with this interface to network, host server looses all the communication to network. But when I remote bridge interface from /etc/network/interfaces And configure eth0 as below it works fine The primary network interface auto eth0 iface eth0 inet static address 192.168.0.223 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 dns-nameservers 62.215.6.51 gateway 192.168.0.1 how can i setup bridge interface correctly and how would my /etc/netwrok/interfaces file would look a like.

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  • compiling php5.4 on macosx 10.6.8

    - by ling
    I'm trying to compile php 5.4.7 on mac osx 10.6.8. I could install it using the default procedure: ./configure \ --prefix=/usr/local \ --with-config-file-path=/usr/local/etc \ --with-apxs2=/usr/local/apache2/bin/apxs \ --with-mysql sudo make clean sudo make sudo make install But now if I try to install to compile php with the curl module it fails: ./configure \ --prefix=/usr/local \ --with-config-file-path=/usr/local/etc \ --with-curl=/usr \ --with-apxs2=/usr/local/apache2/bin/apxs \ --with-mysql sudo make clean sudo make = last lines of make output: Undefined symbols: "_CRYPTO_set_locking_callback", referenced from: _zm_shutdown_curl in interface.o _zm_startup_curl in interface.o "_CRYPTO_num_locks", referenced from: _zm_shutdown_curl in interface.o _zm_startup_curl in interface.o "_CRYPTO_get_id_callback", referenced from: _zm_startup_curl in interface.o "_CRYPTO_set_id_callback", referenced from: _zm_shutdown_curl in interface.o _zm_startup_curl in interface.o ld: symbol(s) not found collect2: ld returned 1 exit status make: * [libs/libphp5.bundle] Error 1 I read somewhere ( http://user.xmission.com/~georgeps/documentation/tutorials/compilation_and_makefiles.html ) that in this case, I should tell the compiler where to find the missing library, so that it can links the missing files. The problem is that I don't what library I should look for, is it libssl2 ?

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  • WPF binding behaviour different when bound property is declared as interface vs class type?

    - by Jay
    This started with weird behaviour that I thought was tied to my implementation of ToString(), and I asked this question: http://stackoverflow.com/questions/2916068/why-wont-wpf-databindings-show-text-when-tostring-has-a-collaborating-object It turns out to have nothing to do with collaborators and is reproducible. When I bind Label.Content to a property of the DataContext that is declared as an interface type, ToString() is called on the runtime object and the label displays the result. When I bind TextBlock.Text to the same property, ToString() is never called and nothing is displayed. But, if I change the declared property to a concrete implementation of the interface, it works as expected. Is this somehow by design? If so, any idea why? To reproduce: Create a new WPF Application (.NET 3.5 SP1) Add the following classes: public interface IFoo { string foo_part1 { get; set; } string foo_part2 { get; set; } } public class Foo : IFoo { public string foo_part1 { get; set; } public string foo_part2 { get; set; } public override string ToString() { return foo_part1 + " - " + foo_part2; } } public class Bar { public IFoo foo { get { return new Foo {foo_part1 = "first", foo_part2 = "second"}; } } } Set the XAML of Window1 to: <Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <StackPanel> <Label Content="{Binding foo, Mode=Default}"/> <TextBlock Text="{Binding foo, Mode=Default}"/> </StackPanel> </Window> in Window1.xaml.cs: public partial class Window1 : Window { public Window1() { InitializeComponent(); DataContext = new Bar(); } } When you run this application, you'll see the text only once (at the top, in the label). If you change the type of foo property on Bar class to Foo (instead of IFoo) and run the application again, you'll see the text in both controls.

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  • How to code a C# Extension method to turn a Domain Model object into an Interface object?

    - by Dr. Zim
    When you have a domain object that needs to display as an interface control, like a drop down list, ifwdev suggested creating an extension method to add a .ToSelectList(). The originating object is a List of objects that have properties identical to the .Text and .Value properties of the drop down list. Basically, it's a List of SelectList objects, just not of the same class name. I imagine you could use reflection to turn the domain object into an interface object. Anyone have any suggestions for C# code that could do this? The SelectList is an MVC drop down list of SelectListItem. The idea of course is to do something like this in the view: <%= Html.DropDownList("City", (IEnumerable<SelectListItem>) ViewData["Cities"].ToSelectList() )

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  • Online conversion to CSV using Perl

    - by Octopus
    I have a application generating logs in every 5 sec. The logs are in below format. 11:13:49.250,interface,0,RX,0 11:13:49.250,interface,0,TX,0 11:13:49.250,interface,1,close,0 11:13:49.250,interface,4,error,593 11:13:49.250,interface,4,idle,2994215 and so on for other interfaces... I am working to convert these into below CSV format Time,interface.RX,interface.TX,interface.close.... 11:13:49,0,0,0,.... Simple as of now but the problem is, I have to get the data in csv format online, i.e as soon the log file updated the CSV should also be updated. Is there any way to do this using perl.

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  • View rotated log files Mac OS X Server (*.?.gz)

    - by Meltemi
    Trying to look at some of our older log files and find they're cryptic "Unix Executable Files". This particular server I'm working with is an older Mac OS X Server (10.4 - Tiger). -rw-r----- 1 root admin 36 1 Jun 15:48 wtmp -rw-r--r-- 1 root admin 578 27 May 17:40 wtmp.0.gz -rw-r----- 1 root admin 89 26 Apr 13:57 wtmp.1.gz -rw-r----- 1 root admin 78 29 Mar 16:43 wtmp.2.gz -rw-r----- 1 root admin 69 15 Feb 17:21 wtmp.3.gz -rw-r----- 1 root admin 137 16 Jan 13:09 wtmp.4.gz i'm using zless to try and view the contents of the .gz files. and what i see is unreadable: ... <DF>^R<AF>ttyp1^@^@^@joe54^@^@^@^@^@108.184.63.22^@^@^@^@K<DF>"<B8>ttyp1^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@K<DF>%<A1>console^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@K<E0>1 ~^@^@^@^@^@^@^@shutdown^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@K<E0>1^L~^@^@^@^@^@^@^@reboot^@^@^@^@^@^@ ... same goes for system.log.0.gz, etc... anything that's been rolled in compressed .gz files. What am i missing?

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  • Posting videos to a website... with a dynamically updating interface

    - by Johnny W
    I'm currently putting together a website for my Luddite friend. He needs a blog, photos and videos... all easily updateable by him. WordPress and Blogger both have brilliant functionality to allow you to host your own blog on your own domain, but what about photos and videos? Does YouTube or Google videos or Vimeo or MSN Video or anyone offer the ability to easily insert a video navigation interface onto your own site? (Something similar to YouTube's "Channel" pages, except on your own domain?) Same goes for photos. I'm pretty sure FlickR doesn't allow you to easily upload and manage photos for viewing on your own domain. Does anyone else? My friend doesn't want to be editing any HTML and I don't want to be creating a complicated system to handle tons of different videos. There must a user-friendly solution in this day and age? Thanks for any help!

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  • Unit Testing User Interface. What is an effective way ?

    - by pierocampanelli
    I have an accounting & payroll client/server application where there are several input form with complex data validation rules. I am finding an effective way to perform unit testing of user interface. For complex validation rules I mean: "Disable button X if I Insert a value in textfield Y" "Enable a combobox if I insert a value in a textfield" ...... ...... Most promising pattern i have found is suggested by M. Fowler (http://martinfowler.com/eaaDev/ModelViewPresenter.html). Have you any experience about Unit Testing of User Interface? As technology stack I am using: .NET 3.5 & Windows Forms Widget Library.

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  • Is there a way to determine the Variance of an Interface / Delegate in C# 4.0?

    - by BFree
    So now that we have generic Covariance and Contravariance on interfaces and delegates in C#, I was just curious if given a Type, you can figure out the covariance/contravariance of its generic arguments. I started trying to write my own implementation, which would look through all of the methods on a given type and see if the return types and or arguments match the types in the generic arguments. The problem is that even if I have this: public interface IFoo<T> { void DoSomething(T item); } using my logic, it LOOKS like it should be contravariant, but since we didn't actually specify: public interface IFoo<in T> { void DoSomething(T item); } (the in parameter) it isn't actually contravariant. Which leads to my question: Is there a way to determine the variance of generic parameters?

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