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Reading non-standard elements in a SyndicationItem with SyndicationFeed

- by Jared

With .net 3.5, there is a SyndicationFeed that will load in a RSS feed and allow you to run LINQ on it. Here is an example of the RSS that I am loading: <rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/"> <channel> <title>Title of RSS feed</title> <link>http://www.google.com</link> <description>Details about the feed</description> <pubDate>Mon, 24 Nov 08 21:44:21 -0500</pubDate> <language>en</language> <item> <title>Article 1</title> <description><![CDATA[How to use StackOverflow.com]]></description> <link>http://youtube.com/?v=y6_-cLWwEU0</link> <media:player url="http://youtube.com/?v=y6_-cLWwEU0" /> <media:thumbnail url="http://img.youtube.com/vi/y6_-cLWwEU0/default.jpg" width="120" height="90" /> <media:title>Jared on StackOverflow</media:title> <media:category label="Tags">tag1, tag2</media:category> <media:credit>Jared</media:credit> <enclosure url="http://youtube.com/v/y6_-cLWwEU0.swf" length="233" type="application/x-shockwave-flash"/> </item> </channel> When I loop through the items, I can get back the title and the link through the public properties of SyndicationItem. I can't seem to figure out how to get the attributes of the enclosure tag, or the values of the media tags. I tried using SyndicationItem.ElementExtensions.ReadElementExtensions<string>("player", "http://search.yahoo.com/mrss/") Any help with either of these?

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Apache Front End....Tomcat back end...SSL question

- by Jared

Hi Everyone, Question.... I have Apache setup as my webserver. Tomcat is hooked into Apache via mod_jk, so the user never interacts with Tomcat. I have set up SSL on the Apache Webser...I can hit it with https:// localhost When I try to access my application at ...https://localhost/app I get a directory not found error. Catch is when I go regular http... I can hit it fine... http:// localhost/app What do I have to edit for this connection to work? I have uncommented the AJP connector in server.xml I have added my virtual host to httpd.conf What am I missing? Thanks in advance. Jared

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dpkg behaving strangely?

- by Tom Henderson

When I use apt to get a package, I have been receiving the same error message. Here is an example trying to install wicd (which is already installed): Reading package lists... Building dependency tree... Reading state information... wicd is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. 3 not fully installed or removed. After this operation, 0B of additional disk space will be used. Setting up tex-common (2.06) ... debconf: unable to initialize frontend: Dialog debconf: (Dialog frontend requires a screen at least 13 lines tall and 31 columns wide.) debconf: falling back to frontend: Readline Running mktexlsr. This may take some time... done. No packages found matching texlive-base. dpkg: error processing tex-common (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of texlive-binaries: texlive-binaries depends on tex-common (>= 2.00); however: Package tex-common is not configured yet. dpkg: error processing texlive-binaries (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of dvipng: dvipng depends on texlive-base-bin; however: Package texlive-base-bin is not installed. Package texlive-binaries which provides texlive-base-bin is not configured yet. dpkg: error processing dvipng (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: tex-common texlive-binaries dvipng E: Sub-process /usr/bin/dpkg returned an error code (1) I'm not sure if this is a problem with apt or with dpkg, but it certainly doesn't look good!

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How can I draw an arrow at the edge of the screen pointing to an object that is off screen?

- by Adam Henderson

I am wishing to do what is described in this topic: http://www.allegro.cc/forums/print-thread/283220 I have attempted a variety of the methods mentioned here. First I tried to use the method described by Carrus85: Just take the ratio of the two triangle hypontenuses (doesn't matter which triagle you use for the other, I suggest point 1 and point 2 as the distance you calculate). This will give you the aspect ratio percentage of the triangle in the corner from the larger triangle. Then you simply multiply deltax by that value to get the x-coordinate offset, and deltay by that value to get the y-coordinate offset. But I could not find a way to calculate how far the object is away from the edge of the screen. I then tried using ray casting (which I have never done before) suggested by 23yrold3yrold: Fire a ray from the center of the screen to the offscreen object. Calculate where on the rectangle the ray intersects. There's your coordinates. I first calculated the hypotenuse of the triangle formed by the difference in x and y positions of the two points. I used this to create a unit vector along that line. I looped through that vector until either the x coordinate or the y coordinate was off the screen. The two current x and y values then form the x and y of the arrow. Here is the code for my ray casting method (written in C++ and Allegro 5) void renderArrows(Object* i) { float x1 = i->getX() + (i->getWidth() / 2); float y1 = i->getY() + (i->getHeight() / 2); float x2 = screenCentreX; float y2 = ScreenCentreY; float dx = x2 - x1; float dy = y2 - y1; float hypotSquared = (dx * dx) + (dy * dy); float hypot = sqrt(hypotSquared); float unitX = dx / hypot; float unitY = dy / hypot; float rayX = x2 - view->getViewportX(); float rayY = y2 - view->getViewportY(); float arrowX = 0; float arrowY = 0; bool posFound = false; while(posFound == false) { rayX += unitX; rayY += unitY; if(rayX <= 0 || rayX >= screenWidth || rayY <= 0 || rayY >= screenHeight) { arrowX = rayX; arrowY = rayY; posFound = true; } } al_draw_bitmap(sprite, arrowX - spriteWidth, arrowY - spriteHeight, 0); } This was relatively successful. Arrows are displayed in the bottom right section of the screen when objects are located above and left of the screen as if the locations of the where the arrows are drawn have been rotated 180 degrees around the center of the screen. I assumed this was due to the fact that when I was calculating the hypotenuse of the triangle, it would always be positive regardless of whether or not the difference in x or difference in y is negative. Thinking about it, ray casting does not seem like a good way of solving the problem (due to the fact that it involves using sqrt() and a large for loop). Any help finding a suitable solution would be greatly appreciated, Thanks Adam

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How to view specific thread in sms app 1.5

- by Jared

In Android 1.6 and up I use Intent intent = new Intent(Intent.ACTION_VIEW); intent.setData(Uri.parse("content://mms-sms/threadID?recipient=" + address)); This isn't working in the 1.5 version of the app. Its a notification so as long its possible by using a PendingIntent. Thanks, Jared

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Dynamically populate an InfoPath DropownList with managed code

- by Jared

I have an InfoPath form with custom C# code, and a Sharepoint list. I have a dropdownlist in the InfoPath form that I want to populate with a certain field from the Sharepoint list (I want the InfoPath dropdownlist to contain this field's value from every item in the Sharepoint list. I can successfully get the list of values I need from Sharepoint in my managed code, but I do not see how I can get these values into the dropdownlist (either bind to the list, or add each item in the list one by one). I thought I could modify the XML of the dropdownlist to insert my items, but the XML only contains the first item in the dropdownlist: <my:RelatedRiskID xmlns:my="http://schemas.microsoft.com/office/infopath/2003/myXSD/2009-07-20T18:12:59">Option 1</my:RelatedRiskID> I feel like this should be possible, but I can't find any resources on how to do it. Thanks in advance for the help. Jared

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Success verification of mail() function PHP

- by Jared

Hi Is it possible to check if the php can get some kind of a ping/flag back from exchange mail server to say "yes, email has been sent off to the intended recipient"? According to the PHP manual, the return of mail() boolean could mean; "It is important to note that just because the mail was accepted for delivery, it does NOT mean the mail will actually reach the intended destination." Does this mean, PHP can return success but actually there could be a problem on the mail server that php wouldn't know about it? and in this case no email has been sent and the user is none the wiser? TIA Jared

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Is there a way to read what NSLog is writing from within the app?

- by Jared P

I have already tried stderr = stdout = fopen("/Users/Jared/Desktop/Untitled.txt", "w"); just as a test (obvi not production code) and this works fine for printf and some errors, but fails to redirect NSLog. I would like to be able to read what is being sent to NSLog as a string, and preferably prevent it from actually going into the system logs, although I don't particularly care if it has to. I need it to redirect logging from both my own code and apple's frameworks, which is why I can't just write a function that would append logs to a string. Thanks

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Virtual Machine Manager 2012 is showing 0% CPU usage

- by Mark Henderson

When trying to do some science to answer this question, I took a Windows 7 guest on a Server 2008 R2 host being managed by SCVMM 2012 and ran Prime95 on it to just generate some CPU usage. Here's the Guest: The Hyper-V host shows 12%, which is 1/8 cores (which is what is allocated), so that's looking correct: But SCVMM is showing 0%: I have left the stress test running for a long time, thinking that maybe SCVMM averages out over a long time (I thought it was 9 minutes, but I've been known to be wrong; just don't tell my wife). Why is SCVMM showing 0% when everything else seems to disagree?

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Download HP Power Protector for ESXi

- by Mark Henderson

The HP PowerProtector user guide states that to install the HP PowerProtector client on an ESXi Host: Download the latest version of HPPP from the HP website (http://www.hp.com/go/rackandpower). The ESXi Server is automatically detected, and a shutdown command script is generated. However in typical HP fashion, after clicking through no less than 6 different links to get to the downloads page, I am presented with: http://h18004.www1.hp.com/products/servers/proliantstorage/power-protection/software/power-protector/pp-dl.html HP Power Protector (HPPP) - Windows HP Power Protector (HPPP) - Linux x86 HP Power Protector (HPPP) - Linux x64 HP Power Protector (HPPP) - Linux IA64 HP Power Protector (HPPP) - HPUX The Linux packages contain an RPM and in no way resemble what is in the HP documentation. None of these are labelled for ESXi. Does anyone know where or how to get the HP Power Protector ESXi client installed?

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Re-Calibrate Toshiba battery meter with Windows 7

- by Mark Henderson

I have a Toshiba U300 laptop. Back in the olden days (circa-2000) you could re-calibrate the battery meter from the BIOS when your battery was no longer reading accurately. My battery was shot, so I bought a brand new one, however Windows 7 still seems to count down the battery life in at the same speed as the old one did. This time, when it alleged 0%, I turned the laptop back on and got another 90 minutes of life out of it, at 0%. Is there a tool or utility for Toshiba laptops that can fix it back to being accurate? I've read the other threads on SU about cycling the battery but that just doesn't seem to do it in this case. Update: After the last cycle, the battery meter now reads 100% but the indicator on the front of the laptop is still orange (indicating not fully charged)

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Smart card / auditable access for rack KVM tray

- by Mark Henderson

Is there such a thing as a KVM Tray for a standard 19" rack whose use can be validated by a smartcard (or some other auditable authentication method)? It looks like we have a security requirement where just because users have a key to the rack doesn't mean they will be allowed to use the console inside the rack, and rather than just lock the console (and keep track of who has keys), we would prefer to be able to audit the actual user that was attached at the KVM. (It's worth mentioning that I'm aware of the Raritan devices, but they surely can't be the only ones) (If these things existed, I don't think half of the tratoirs that somehow manage to infiltrate CTU on the TV show 24 would ever get away with anything)

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Thinking of Powerline adapters for networking

- by Henderson McCoy

will powerline work as good as wifi I am now in a large house (renting a room) and the router is in the front of the house and I am in the back. Don't know if wifi will have the range and stability so I am looking at all the alternatives from running a long cable to powerline. looks like a powerline adapter set will cost about $50 http://www.bestbuy.com/site/Actiontec---500-Mbps-Powerline-Home-Theater-Network-Adapter-Kit/5215483.p?id=1218625358741&skuId=5215483 has anyone use these or other powerline adapters? how is powerlines speed? Are they more stable then wifi? powerline cost is good i am just currious about the performance

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Incredibly high latency for Ubuntu guest on Hyper-V

- by Mark Henderson

I've got several Ubuntu 10.04 virtual machines running as Hyper-V guests on Windows Server 2008 R2 SP1 and they're all perfectly fine. Today I installed my first Ubuntu 11.10 virtual machine and I'm seeing rediculous pings: These servers are all connected via gigabit to a local LAN, with almost no network traffic at all1, with a legacy network adapter in Hyper-V. I'm a bit of an Ubuntu n00b so I don't really know where to go from here. Any ideas? free -m reports: total used free shared buffers cached Mem: 485 470 15 0 63 299 -/+ buffers/cache: 107 378 Swap: 507 20 487 This is within a few mb of our other Ubuntu servers that are on 10.04. I removed the Legacy NIC and installed a Synthetic one in Hyper-V and this did improve the numbers, in that they're around 10-30ms now, but I would still be expecting <1ms response times. 1As a comparison, I have another Ubuntu 10.04 guest on Hyper-V almost 1,000km away that has a ping of 33ms

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Running multiple services on different servers with IPv6 and a FQDN

- by Mark Henderson

One of the things NAT has permitted us to do in the past decade is split physical services onto different servers whilst hiding behind a single interface. For example, I have example.com behind a NAT on 192.0.2.10. I port-forward :80 and :443 to my web server. I'm also port forward :25 to my mail server, and :3389 to a terminal server and :8080 to the web interface of my computer that downloads torrents, and the story goes on. So I have 5 port forwardings going to 4 different computers on example.com. Then, I go and get me some neat IPv6. I assign example.com an IPv6 address of 2001:db8:88:200::10. That's great for my websites, but I want to go to example.com:8080 to get to my torrents, or example:3389 to log on to my terminal server. How can I do this with IPv6, as there is no NAT. Sure, I could create a bunch of new DNS entries for each new service, but then I have to update all my clients who are used to just typing example.com to get to either the website or the terminal server. My users are dumber than two bricks so they won't remember to connect to rdp.example.com. What options do I have for keeping NAT-style functionality with IPv6? In case you haven't figured it out, the above scenario is not a real scenario for me, or perhaps anyone yet, but it's bound to happen eventually. You know, with devops and all.

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Why is business-class storage so expensive?

- by Mark Henderson

This is a Canonical Question about the Cost of Enterprise Storage. See also the following question: What's the best way to explain storage issues to developers and other users Regarding general questions like: Why do I have to pay 50 bucks a month per extra gigabyte of storage? Our file server is always running out of space, why doesn't our sysadmin just throw an extra 1TB drive in there? Why is SAN equipment so expensive? The Answers here will attempt to provide a better understanding of how enterprise-level storage works and what influences the price. If you can expand on the Question or provide insight as to the Answer, please post.

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Create Windows SBS 2008 User Account without Email

- by Mark Henderson

Just today I've been handed an SBS 2008 server to do some maintenance on. I've never used SBS 2008 before today, so this is a real noob question: Is it possible to create a user account without creating an associated exchange mailbox? I've been asked to create a new user, but not give them an email address. I guess I could just disable their email account in Exchange, but is there a nicer method?

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Good reasons to keep 32-bit Microsoft Windows desktop OSes

- by Mark Henderson

Server software has been 64-bit only for a while now (Since Server 2008 R2 for Windows, even earlier for Exchange and Sharepoint) and even Ubuntu are pushing you away from 32-bit versions for their server OSes. But is there any good, quantifiable reason to keep a 32-bit desktop operating system maintained? We're preparing our Windows 8 images for the (unfortunate?) few that will be early adopters. The majority of our desktop computers have 4gb or less of RAM, but I would love to not have to bother supporting a 32-bit flavoured operating system any more. Any reason why I should?

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Any good reason to keep 32-bit desktop OS's

- by Mark Henderson

Server software has been 64-bit only for a while now (Since Server 2008 R2 for Windows, even earlier for Exchange and Sharepoint) and even Ubuntu are pushing you away from 32-bit versions for their server OS's. But is there any good, quantifiable reason to keep a 32-bit desktop operating system maintained? We're preparing our Windows 8 images for the (unfortunate?) few that will be early adopters. The majority of our desktop computers have 4gb or less of RAM, but I would love to not have to bother supporting a 32-bit flavoured operating system any more. Any reason why I should?

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XNA - Render texture to a rendertarget 2d via SpriteBatch error

- by Jared B

I got simple code that uses SpriteBatch to draw a texture onto a RenderTarget2D... private void drawScene(GameTime g) { GraphicsDevice.Clear(skyColor); GraphicsDevice.SetRenderTarget(targetScene); drawSunAndMoon(); effect.Fog = true; GraphicsDevice.SetVertexBuffer(line); effect.MainEffect.CurrentTechnique.Passes[0].Apply(); GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleStrip, 0, 2); GraphicsDevice.SetRenderTarget(null); SceneTexture = targetScene; } private void drawPostProcessing(GameTime g) { effect.SceneTexture = SceneTexture; GraphicsDevice.SetRenderTarget(targetBloom); spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, null, null, null); { if(Bloom) effect.BlurEffect.CurrentTechnique.Passes[0].Apply(); spriteBatch.Draw(targetScene, new Rectangle(0, 0, Window.ClientBounds.Width, Window.ClientBounds.Height), Color.White); } spriteBatch.End(); BloomTexture = targetBloom; GraphicsDevice.SetRenderTarget(null); } Both methods are called from Draw(GameTime gameTime). First drawScene is called, then drawPostProcessing is called. The thing is, I can't run the code because "the render target must not be set on the device when it is used as a texture." at line spriteBatch.Draw(targetScene, new Rectangle(0, 0, Window.ClientBounds.Width, Window.ClientBounds.Height), Color.White); I already found the solution, which is to draw the actual renderTarget (targetScene) to the texture so it doesn't create a reference to the loaded rendertarget. However, to my knowledge, the only way of doing this is to write: GraphicsDevice.SetRenderTarget(OutputTarget) SpriteBatch.Draw(InputTarget, ...) GraphicsDevice.SetRenderTarget(null) Which encounters the same exact problem I'm having right now. So, the question I'm asking is: how would I render InputTarget to OutputTarget without reference issues?

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XNA - Error while rendering a texture to a 2D render target via SpriteBatch

- by Jared B

I've got this simple code that uses SpriteBatch to draw a texture onto a RenderTarget2D: private void drawScene(GameTime g) { GraphicsDevice.Clear(skyColor); GraphicsDevice.SetRenderTarget(targetScene); drawSunAndMoon(); effect.Fog = true; GraphicsDevice.SetVertexBuffer(line); effect.MainEffect.CurrentTechnique.Passes[0].Apply(); GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleStrip, 0, 2); GraphicsDevice.SetRenderTarget(null); SceneTexture = targetScene; } private void drawPostProcessing(GameTime g) { effect.SceneTexture = SceneTexture; GraphicsDevice.SetRenderTarget(targetBloom); spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, null, null, null); { if (Bloom) effect.BlurEffect.CurrentTechnique.Passes[0].Apply(); spriteBatch.Draw( targetScene, new Rectangle(0, 0, Window.ClientBounds.Width, Window.ClientBounds.Height), Color.White); } spriteBatch.End(); BloomTexture = targetBloom; GraphicsDevice.SetRenderTarget(null); } Both methods are called from my Draw(GameTime gameTime) function. First drawScene is called, then drawPostProcessing is called. The thing is, when I run this code I get an error on the spriteBatch.Draw call: The render target must not be set on the device when it is used as a texture. I already found the solution, which is to draw the actual render target (targetScene) to the texture so it doesn't create a reference to the loaded render target. However, to my knowledge, the only way of doing this is to write: GraphicsDevice.SetRenderTarget(outputTarget) SpriteBatch.Draw(inputTarget, ...) GraphicsDevice.SetRenderTarget(null) Which encounters the same exact problem I'm having right now. So, the question I'm asking is: how would I render inputTarget to outputTarget without reference issues?

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Stop bots from crawling old links with extensions

- by Jared

I've recently switched to MVC3 which is extension-less for the URL's, but Google and Bing have a wealth of links that they are crawling which no longer exist. So I'm trying to find out if there is a way to format robots.txt (or by some other method) to tell google/bing that any link that ends in an extension isn't a valid link... Is this possible? On pages that I'm concerned about a User having saved as a fav I'm displaying a 404 page that lists the links to take once they are redirected to the new page (I decided to not just redirect them as I don't want to maintain these forever). For Google/Bing sake I do have the canonical tag in the header. User-agent: * Allow: / Disallow: /*.* EDIT: I just added the 3rd line (in text above) and it APPEARS to do what I'm wanting. Allow a path, but disallow a file. Can anyone confirm this?

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Why did the upgrade from 11.10 to 12.04 ruin my system?

- by Jared

After upgrading from Ubuntu 11.10 to 12.04, when I log in, everything is ruined. It's all black, blank white icons, blank black icons on the start menu, and well, nothing works. If I open up Chromium, it looks as though it's in high contrast mode. Is this a bug? Any ideas what could have happened? Can I get 11.10 back? Some photos (can't connect to network in Ubuntu so I had to take pictures with phone): http://i.stack.imgur.com/2dwKl.jpg http://i.stack.imgur.com/N4nA3.jpg http://i.stack.imgur.com/LNFje.jpg

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How can I get streaming radio working with Chromium on "fubar.com"?

- by Jared Shirk

I'm running 12.04 and use Chromium and a site that I go to that plays streaming radio doesn't seem to work for me. Python cannot find the right plug in and I was informed that the exact extension I need is for Windows Media Player HTML5 extension.. But alas, it doesn't work with Ubuntu.. is there a way around this so I can listen to the music? Fubar.com is a site that I've had for a while now and it just seems that any of the lounges that I go into, it's a chat room where they have live dj's that stream music. I can't get it to work.

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Launchpad dailybuild source in subdirectory of branch

- by Jared

I have a repo branch that i have mirrored in Launchpad that I am trying to setup a daily build. The problem is that the source directory of the package is a subdirectory in the branch. When building locally it's no problem because I can just change to that directory. However with launchpad's bzr-builder it does everything from the top directory in the branch. My current build recipe is: # bzr-builder format 0.3 deb-version {debupstream}-{revno}-{revno:packaging} lp:kegbot nest-part packaging lp:~szechyjs/kegbot/kegbot_debian debian debian Ideally I would use lp:kegbot/pykeg but this is not possible in bzr. Is there a easy way I can build the package in the kegbot/pykeg directory, by setting it up in my recipe or some kind of source directory variable in the rules file?

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