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Articles indexed in December 2010

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  • JQuery use variable by name of divID

    - by Russell Parrott
    Just a quick question, that I cannot fathom out, hope you guys and girls can help. I have a div (with ID) that when clicked opens a new div - great works well, what I really want is to "populate" the new div with predefined text based on the clicked div's ID. example: <div class="infobox" id="help_msg1">Click me</div> I may have say 3 (actually more but...) of these div's This opens: <div id="helpbox">text in here</div> In/on my .js page I have doc ready etc then: var help_msg1 ='text that is a help message'; var help_msg2 ='text that is another help message'; var help_msg3 ='text that is yet another help message'; Then $('.infobox').live('click',function() { $('#helpbox').remove(); $('label').css({'font-weight': '400'}); $(this).next('label').css({'font-weight': '900'}); var offset = $(this).next().next().offset(); var offsetby = $(this).next().next().width(); var leftitby = offset.left+offsetby+10; $('body').append('text in here'); $('#helpbox').css( { 'left': leftitby, 'top': offset.top } ); }); Note I remove each #helpbox before appending the new one and the .next().next() identifies the appropriate text input that lot all works. What I need is how do I put var help_msg1 into the append when id="help_msg1" is clicked or var help_msg2 when id="help_msg2" is clicked etc. I have tried

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  • Boost causes an invalid block while overloading new/delete operators

    - by user555746
    Hi, I have a problem which appears to a be an invalid memory block that happens during a Boost call to Boost:runtime:cla::parser::~parser. When that global delete is called on that object, C++ asserts on the memory block as an invalid: dbgdel.cpp(52): /* verify block type */ _ASSERTE(_BLOCK_TYPE_IS_VALID(pHead->nBlockUse)); An investigation I did revealed that the problem happened because of a global overloading of the new/delete operators. Those overloadings are placed in a separate DLL. I discovered that the problem happens only when that DLL is compiled in RELEASE while the main application is compiled in DEBUG. So I thought that the Release/Debug build flavors might have created a problem like this in Boost/CRT when overloading new/delete operators. So I then tried to explicitly call to _malloc_dbg and _free_dbg withing the overloading functions even in release mode, but it didn't solve the invalid heap block problem. Any idea what the root cause of the problem is? is that situation solvable? I should stress that the problem began only when I started to use Boost. Before that CRT never complained about any invalid memory block. So could it be an internal Boost bug? Thanks!

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  • Help with AJAX, Using PHP and hiding elements.

    - by ryan
    Hey, This is my first time with AJAX, so I'm a bit confused and need your help. I have four div id's and want to toggle hide/show between them based on result from database. Sounds simple, eh! But it is hard to implement for me. HELP!. This is my code - <div id="1">HEya</div> <div id="2">What's up?</div> <input type="submit" id='approve' name="action" value="Approve" onclick="a()" class="approve" /> <input type="submit" id='reject' value="Reject" name="action" onclick="r()" class="reject"/> <script language="javascript" type="text/javascript"> //if cookie exists, at the beginning the form should be hidden if (<?php $responseanswer['response']=='approve'; ?> ){ document.getElementById('1').style.display = 'none'; document.getElementById('2').style.display = 'inline'; } //if user clicks reject, hide one element dislay another else if (<?php $responseanswer['response']=='reject'; ?>){ //if cookie exists document.getElementById('2').style.display = 'none'; document.getElementById('1').style.display = 'block'; } else { function a() { var a = document.getElementById('2'); document.getElementById('1').style.display= 'block'; } //on reject creating a new cookie function r() { var a = document.getElementById('reject'); document.getElementById('1').style.display = 'none'; document.getElementById('2').style.display= 'block'; } } </script> Eveything is fine, but the div is not hiding.

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  • Calling pthread_cond_signal without locking mutex

    - by Maysam
    Hi, I read somewhere that we should lock the mutex before calling pthread_cond_signal and unlock the mutext after calling it: The pthread_cond_signal() routine is used to signal (or wake up) another thread which is waiting on the condition variable. It should be called after mutex is locked, and must unlock mutex in order for pthread_cond_wait() routine to complete. My question is: isn't it OK to call pthread_cond_signal or pthread_cond_broadcast methods without locking the mutex?

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  • Create user variable in Intellij File Template

    - by Matt Broekhuis
    I am trying to use Intellij's file templates (not live templates) to help mitigate how much boilerplate code I use when making Services, daos, and their interfaces. I am able to use all the system defined variables just fine, such as ${PACKAGE_NAME} What I want though, is to be able to use my own variable names, like ${MY_USER_INPUT} however, when i do this like above, I get an error The documentation says : It is also possible to specify arbitrary number of custom variables in format ${<VARIABLE_NAME>}. and then Intellij is supposed to prompt the user for the value. However, this just plain doesn't work for me. What am I missing?

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  • error in htaccess not read my images and css file

    - by Mahran Elneel
    i create .htaccess and when run the page all images in my site not display and css not run. images in the folder (images/) and css in(css/). another problem the url now is http://localhost/mysite/progams/4 and when click link inside this page will be http://localhost/mysite/progams/program/6 please any one have a solution? .htaccess code Options +FollowSymLinks RewriteEngine On # Turn on the rewriting engine RewriteRule ^program/([0-9]+)/?$ get_programs.php?pack_id=$1 [NC,L] RewriteRule ^El-Mensajero/?$ home.php [NC,L] RewriteRule ^Daily-Tours/?$ daily_tours.php [NC,L] RewriteRule ^page/([0-9]+)/?$ get_pages.php?page_id=$1 [NC,L] thank you

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  • how to find a control inside ItemsPanelTemplate in wpf?

    - by kakopappa
    I am trying to access a Grid inside the DataTemplate while the ItemsControl is binded by ItemsSource. this is the full XMAL code, How do i find a certain element from outside? for (int i = 0; i < allViewControl.Items.Count; i++) { var container = allViewControl.ItemContainerGenerator.ContainerFromItem(allViewControl.Items[i]) as FrameworkElement; var grid = allViewControl.ItemTemplate.FindName("grid", container) as DataGrid; } i found this always returning null ? <ScrollViewer Grid.Row="0" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto"> <ItemsControl x:Name="allViewControl" Focusable="False" HorizontalContentAlignment="Center" Grid.IsSharedSizeScope="true" ItemsSource="{Binding AllClassCharacters}" ItemTemplate="{StaticResource CharacterViewModelTemplate}" > <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <Extensions:AnimatedWrapPanel IsItemsHost="true" /> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> </ItemsControl> </ScrollViewer> <DataTemplate x:Key="CharacterViewModelTemplate" DataType="{x:Type ViewModel:CharacterViewModel}"> <Grid x:Name="grid" Width="200" Height="Auto" MinHeight="115" Margin="1" MinWidth="130" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" RenderTransformOrigin="0.5,0.5" Background="#66000000" > <Grid.RowDefinitions> <RowDefinition Height="70"/> <RowDefinition Height="*"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <ProgressBar x:Name="playerProgressBar" VerticalAlignment="Top" Background="Transparent" Height="5" Width="Auto" Value="0" Visibility="Collapsed" Grid.Column="0" Grid.Row="0" Grid.ColumnSpan ="2" Grid.RowSpan="2" Foreground="White" BorderThickness="0" Style="{DynamicResource ProgressBarStyle1}" /> </Grid>

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  • Clear listview content?

    - by Slash
    I have a little problem with listview. How do i clear a listview content, knowing that it has a custom adapter? edit : the custom adapter class extends BaseAdapter, it looks like this : import android.app.Activity; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.TextView; public class MyAdapter extends BaseAdapter { private Activity activity; private String[] data; private static LayoutInflater inflater=null; public MyAdapter(Activity _a, String[] _str) { activity = _a; data = _str; inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE); } public static class ViewHolder{ public TextView text; } @Override public int getCount() { return data.length; } @Override public Object getItem(int position) { return position; } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View view, ViewGroup parent) { View v = view; ViewHolder holder; if(v == null) { v = inflater.inflate(R.layout.rowa, null); holder=new ViewHolder(); holder.text=(TextView)v.findViewById(R.id.dexter); v.setTag(holder); }else{ holder=(ViewHolder)v.getTag(); } holder.text.setText(data[position]); return v; } }

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  • asp.net mvc validation must be a number custom error

    - by Para
    Hi, I am new to asp.net and I have a problem. When the users insert in a editor for a decimal field something other than numbers, they get an error "Field name" is not a number. But I don't want them to receive this message I want them to receive another message. I have no problem with this with required and range validators. Is there any way for me to do this? I am not refering necessarily to changing the culture just displaying another message. Thanks.

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  • How to set the width of a cell in a UITableView in grouped style

    - by Tomen
    I have been working on this for about 2 days, so i thought i share my learnings with you. The question is: Is it possible to make the width of a cell in a grouped UITableView smaller? The answer is: No. But there are two ways you can get around this problem. Solution #1: A thinner table It is possible to change the frame of the tableView, so that the table will be smaller. This will result in UITableView rendering the cell inside with the reduced width. A solution for this can look like this: -(void)viewWillAppear:(BOOL)animated { CGFloat tableBorderLeft = 20; CGFloat tableBorderRight = 20; CGRect tableRect = self.view.frame; tableRect.origin.x += tableBorderLeft; // make the table begin a few pixels right from its origin tableRect.size.width -= tableBorderLeft + tableBorderRight // reduce the width of the table tableView.frame = tableRect; } Solution #2: Having cells rendered by images This solution is described here: http://cocoawithlove.com/2009/04/easy-custom-uitableview-drawing.html I hope this information is helpful to you. It took me about 2 days to try a lot of possibilities. This is what was left.

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  • How to migrate Django models from mysql to sqlite (or between any two database systems)?

    - by Daphna Shezaf
    I have a Django deployment in production that uses MySQL. I would like to do further development with SQLite, so I would like to import my existing data to an SQLite database. I There is a shell script here to convert a general MySQL dump to SQLite, but it didn't work for me (apparently the general problem isn't easy). I figured doing this using the Django models must be much easier. How would you do this? Does anyone have any script to do this?

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  • Deleting objects with FK constraints in Spring/Hibernate

    - by maxdj
    This seems like such a simple scenario to me, yet I cannot for the life of my find a solution online or in print. I have several objects like so (trimmed down): @Entity public class Group extends BaseObject implements Identifiable<Long> { private Long id; private String name; private Set<HiringManager> managers = new HashSet<HiringManager>(); private List<JobOpening> jobs; @ManyToMany(fetch=FetchType.EAGER) @JoinTable( name="group_hiringManager", joinColumns=@JoinColumn(name="group_id"), inverseJoinColumns=@JoinColumn(name="hiringManager_id") ) public Set<HiringManager> getManagers() { return managers; } @OneToMany(mappedBy="group", fetch=FetchType.EAGER) public List<JobOpening> getJobs() { return jobs; } } @Entity public class JobOpening extends BaseObject implements Identifiable<Long> { private Long id; private String name; private Group group; @ManyToOne @JoinColumn(name="group_id", updatable=false, nullable=true) public Group getGroup() { return group; } } @Entity public class HiringManager extends User { @ManyToMany(mappedBy="managers", fetch=FetchType.EAGER) public Set<Group> getGroups() { return groups; } } Say I want to delete a Group object. Now there are dependencies on it in the JobOpening table and in the group_hiringManager table, which cause the delete function to fail. I don't want to cascade the delete, because the managers have other groups, and the jobopenings can be groupless. I have tried overriding the remove() function of my GroupManager to remove the dependencies, but it seems like no matter what I do they persist, and the delete fails! What is the right way to remove this object?

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  • Facing error: "Could not open a connection to your authentication agent."; trying to add ssh-key.

    - by Kaustubh P
    I use ubuntu server 10.04. ssh-add /foo/cert.pem gave the following output Could not open a connection to your authentication agent. These are my running processes: ps -aux | grep ssh Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html root 1523 0.0 0.0 49260 632 ? Ss Dec25 0:00 /usr/sbin/sshd root 10023 0.0 0.3 141304 6012 ? Ss 12:58 0:00 sshd: padmin [priv] padmin 10117 0.0 0.1 141304 2400 ? S 12:58 0:00 sshd: padmin@pts/1 padmin 11867 0.0 0.0 7628 964 pts/1 S+ 13:06 0:00 grep --color=auto ssh root 31041 0.0 0.3 141264 5884 ? Ss 11:24 0:00 sshd: padmin [priv] padmin 31138 0.0 0.1 141264 2312 ? S 11:25 0:00 sshd: padmin@pts/0 root 31382 0.0 0.3 139240 5844 ? Ss 11:26 0:00 sshd: padmin [priv] padmin 31475 0.0 0.1 139372 2488 ? S 11:27 0:00 sshd: padmin@notty padmin 31476 0.0 0.0 12468 964 ? Ss 11:27 0:00 /usr/lib/openssh/sftp-server These are my environment variables: $ env | grep SSH SSH_CLIENT=192.168.1.13 42626 22 SSH_TTY=/dev/pts/1 SSH_CONNECTION=192.168.1.13 42626 192.168.1.2 22 What is wrong? Why cant I add any identities? Thanks.

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  • What do I need to do to set my computer as Default Gateway?

    - by Vaibhav
    We are trying to put together a box with dual LAN cards (let's say Outer and Inner), where the Inner LAN card is supposed to act as a default gateway on the network it is connected to. This box is running Ubuntu. The basic purpose for this box is to take messages generated on the inner network, do some work with them and forward them out the Outer LAN card to a server. The inner network is completely isolated with simply a regular switch connecting the Inner LAN Card with two other boxes. These other boxes either throw out multi-cast messages (which the Inner LAN Card is listening to), or send out unicast messages meant for the server which is not on this inner network. So, we need the Inner LAN Card to act as a default gateway, where these unicast messages will then be sent, and the code on the dual-LAN Card box can then intercept and forward these messages to the server. Question: 1. How do we setup the LAN Card to be default gateway (does it need some configuration on Ubuntu)? 2. Once we have this setup, is it a simple matter of listening to the interface to intercept the incoming messages? Any help (pointers in the right direction) is appreciated. Thanks.

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  • Networking Problem MrxSmb event 50 "Delayed Write Failed" errors occurring all of the sudden

    - by Johnny Musso
    JUST THIS MONTH, we have started getting reports from a number of very stable clients that MrxSmb event id 50 errors keep appearing in their system event logs. Otherwise, they do not appear to have any networking problems except that there is a critical legacy application which seems to either be generating the MrxSmb errors or having errors occur because of them. The legacy application is comprised of 16 bit and 32 bit code and has not been changed or recompiled in many years. It has always been stable on Windows XP systems. The customers that have the problem usually have a small (5 clients or less) peer to peer network with all Windows XP systems. All service packs are loaded on the XP machines. Note: The only thing that seems to correct the problem is disabling opportunistic locking. I don't like this solution because it seems to slow down the network and sometimes causes record locking issues between users (on some networks). Also, this seems to have just started happening - as if a Windows update for XP has caused it? However, I have removed recent updates and it did not correct the issue. Thanks in advance for any help you can provide.

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  • How to scale out image hosting/serving?

    - by Continuation
    I asked this question on stackoverflow and it was suggested that I try it here: I'm building a website where users can upload photos and I'd also convert uploaded photos into thumbnails. Planning ahead, if the website gets popular, how do I scale it out so that the images (both original and thumbnails) will be stored in and served from multiple servers? Maybe a cluster? Is there any open source software that would help me in this? Thanks.

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  • Password Cracking Windows Accounts

    - by Kevin
    At work we have laptops with encrypted harddrives. Most developers here (on occasion I have been guilty of it too) leave their laptops in hibernate mode when they take them home at night. Obviously, Windows (i.e. there is a program running in the background which does it for windows) must have a method to unencrypt the data on the drive, or it wouldn't be able to access it. That being said, I always thought that leaving a windows machine on in hibernate mode in a non-secure place (not at work on a lock) is a security threat, because someone could take the machine, leave it running, hack the windows accounts and use it to encrypt the data and steal the information. When I got to thinking about how I would go about breaking into the windows system without restarting it, I couldn't figure out if it was possible. I know it is possible to write a program to crack windows passwords once you have access to the appropriate file(s). But is it possible to execute a program from a locked Windows system that would do this? I don't know of a way to do it, but I am not a Windows expert. If so, is there a way to prevent it? I don't want to expose security vulnerabilities about how to do it, so I would ask that someone wouldn't post the necessary steps in details, but if someone could say something like "Yes, it's possible the USB drive allows arbitrary execution," that would be great! EDIT: The idea being with the encryption is that you can't reboot the system, because once you do, the disk encryption on the system requires a login before being able to start windows. With the machine being in hibernate, the system owner has already bypassed the encryption for the attacker, leaving windows as the only line of defense to protect the data.

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  • Sata drive overiding IDE?

    - by Aznbinladen
    I recently just bought a Sata Hard drive and hooked it up and installed a OS. I am making it my Primary hard drive. What I had before that though was 2 IDE hard drives that I used. One of them was my Prime and the other one was just a second to keep stuff on. My problem is that now since I hooked up the Sata drive, my IDE drives are not being detected at all. I even tried to remove the Sata drive completely and use my IDE drives, but it couldn't be detected. What should I do? Am I connecting them wrong?

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  • windows xp - shift key pops up a menu

    - by shachar
    Helo all! A wierd shift-key problem, for which all I found was sticky keys answers First of all, I have all the sticky keys and related, Disabled. Every windows that is currently in focus, if I press the left shift-key alone, pops up the current window menu. I have no idea how and why this has happened, or how to disable it. I could not find any reference in google about it (perhaps my search-string was not good..) any help would be appriciated

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  • Proxy Appliance

    - by Kumar
    I'm looking for a way to set-up a web proxy at home. Hopefully there's a solution I can use to do this. Alternatively, do you have any ideas for setting up one at home using a proxy with an auto updating list? UPDATE - AutoUpdating list so the new sites are categorized and downloaded and the filtering is done by category instead of per site e.g. peerblock works this way Appliance as in a small dedicated hardware or device to perform this task, like WD TV live or Acer Aspire Revo with the media center edition I'd be ok with setting up Squid / Linux / SquidGuard even if i'm not familiar with *nix but ideally a small form factor pc with dual nic's would be ideal so it can be out of sight for the most part !

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  • How do I change the default browser in lotus notes when opening links in emails?

    - by peter
    I can't seem to figure out how to change the default browser for email/sametime links from opening with lotus notes to say chrome/firefox/ie. All links open with a new tab in lotus notes, which always gives scripting errors as it appears to be using ie as it's rendering engine to open up webpages. Is there something in the preferences that I'm missing that I'm not seeing? I've hunted around for awhile and am not seeing an option to change it. I've also tried to change it within the internet options for default applications, but nothing's working. I'm using lotus notes 8 on windows xp if that helps anyone helping me.

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  • How to dual OS 32-bit/64-bit Windows 7 Ultimate.

    - by Cyril Horad
    I have a problem with regards to my nVidia driver not running on 64-bit. I decided to install both 32-bit and 64-bit on my ASUS K42JC (4GB RAM upgrade) in order to function the nVidia on the 32-bit. My question is, how could I make my laptop run on either 32-bit or 64-bit OS. What options I am suppose to use, a single, double, or triple partition? From an answer: Well. When I installed the nVidia driver from either the ASUS site and the prescribed driver from NVIDA site via System Requirements Lab, both ended up freezing my laptop to the point when the desktop is about the finish booting. I have tried three(3) times reformatting and trying to fix the problem. Yet no use. I filed a ticket to the Asus support but for now no replies yet. But this bothers me, why wouldn't the nVidia run on 64bit yet it runs perfectly on 32bit.

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  • Synchronizing (updating) published files

    - by MucMug
    How can I update a published file and maintain the same URL? After saving an update of a published file on my desktop, it will automatically "synchronise" with the corresponding files at UbuntuOne (and it does). Problem is that the "new file", actually the updated file with the same name, is no longer published. Pressing the publish button results is a new URL. I now have to mail new URL's and change embedded links, as old URL will result in a failure to find the updated file (or indeed any file). I am not sure if it is a bug or a design flaw (maybe intentional?), but it seems strange to me.

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  • Kinetic Scroll in Maverick

    - by Shoaib
    I have Sony VAIO FW 230J laptop. I was using Lucid and upgraded my system to Maverick beta in September 2010. Although there were few issues with beta release on my system although I did not felt myself in any deadlock. The most notable experience on my ubuntu was the smooth and kinetic scrolling and very sensitive touch pad experience with finer control that was oddly normal in previous releases and even on windows 7 currently. Definitely this release of ubuntu is improved for touch UI experience. I believe that this is magic of 10.10. For my official system I waited until the final release was out. After installing (upgrading) official system to Maverick I am not feeling the same smooth and kinetic scroll experience. My laptop has Graphics: Intel DMA-X4500MHD while my official desktop has Graphics: Intel DMA-X4500HD Do I need to install or update some software package to have similar kinetic scroll experience?

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  • How to suppress "Card not present / present" spam in syslog?

    - by vava
    I'm getting a lot of Dec 27 08:35:49 htpc kernel: [ 1552.153797] pciehp 0000:00:1c.5:pcie04: Card not present on Slot(0-2) Dec 27 08:35:49 htpc kernel: [ 1552.157744] pciehp 0000:00:1c.5:pcie04: Card present on Slot(0-2) messages in my syslog, about 10 every second. That just makes syslog unusable, can I somehow get rid of them? I don't know and don't really care about the reason of those messages being there, partly because my motherboard doesn't have pcie slots on it and partly because everything I care about works perfectly. That might be a WiFi chip I disabled in bios but hey, I don't want wifi to be powered on, I'm not using it. So can I just suppress those messages?

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