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• iPhone + AdMob + remove the Ad view

  - by pratik

  Hello, I have integrated AdMob in my iPhone application. I am adding an Ad view in of my UIViewController as follows: ProgrammaticAdViewController *temp = [[ProgrammaticAdViewController alloc] init]; temp = [[ProgrammaticAdViewController alloc] initWithNibName:nil bundle:nil]; [self.view addSubview:temp.view]; So, I will be able to see an Ad view on top of my UIViewController. Now I have two problems: I am not able to tap on certain buttons of my UIViewController on which I have added the Ad View. So, for temporary purpose I adding the Ad view as: [self.view insertSubView:temp.view atIndex:1]; I want to remove the Ad view after sometime so I am using: [temp.view removeFromSuperView]; But my Ad view is not being removed. Please help me. Regards, Pratik

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• How to preselect nodes using jsTree jQuery plug-in

  - by Ed Schembor

  I am using the jsTree jQuery plug-in with its "Checkbox" plug-in and using an async http request to lazy-load each level of the tree. All works great, except that I cannot get the tree to pre-select certain nodes after the first level. I am using the "selected" attribute to provide an array of ID's to preselect. ID's in the top level of the tree are correctly pre-selected. However, ID's in lower levels of the tree are not selected when the level loads. Am I missing something? Here is the constructor code: $(sDivID).tree( { data : { async : true, opts : {url : sURL} }, plugins:{ "checkbox" : {three_state : false} }, selected : myArrayOfIDs, ui:{ theme_name : "checkbox", dots : false, animation : 400 }, callback : { beforedata : function(NODE, TREE_OBJ) { return { id : $(NODE).attr("id") || 0, rand : Math.random().toString() } } } } )

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• Resources to learn sh scripting 'just like a normal programming language'

  - by Homer J. Simpson

  Hi, what is the best resource (book would be nice) to learn sh scripting (the "standard" shell on Unix systems) just like when i would learn a "normal" programming/scripting language ? There are lots of tutorials on certain aspects of shell scripting, they mostly deal with shells in general and unix commands and so on, but i would rather like to find a more general approach - meaning a quick syntactic overview and an outlook on how to do things you normally do when programming, like implementing small algorithms and so on. Doing actual scripting, not just a structured batch file. And rather 100-liners than 1-to-3-liners. Can you recommend a good standard book on the topic ?

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• NativeWindow WndProc not receiving messages

  - by BadNinja

  Could someone shed some light on why my WndProc method as implemented below isn't receiving any messages? If I put this class below in a WinForms application and pass in that application's handle, WndProc receives messages as I would expect. However, using the IntPtr returned from GetForegroundWindow() as I have below doesn't yield the same results. (FWIW, I have my code set up to execute GetForegroundWindow() when my application is hidden, so I'm certain that the IntPtr is referring to an outside application.) public class MyNativeWindow : NativeWindow { [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)] private static extern IntPtr GetForegroundWindow(); public MyNativeWindow() { this.AssignHandle(GetForegroundWindow()); } // Never called... I set a breakpoint [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")] protected override void WndProc(ref Message m) { base.WndProc(ref m); } }

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• How do I automate navigation to a website that requires authentication?

  - by Wiz

  Here's what I'm trying to achieve. I would like to write a script that will navigate to a website that requires me to be authenticated as myself, say Facebook, Live Spaces, Twitter or any other, and then have that script search for certain information on one of the pages of the website. I've done something similar in the past with the Windows.Forms WebBrowser control, which is a full blown implementation of IE that can be controlled through code and will store whatever cookies you get once you're authenticated, but it was very unfriendly to modify and I was hoping to use a scripting language instead, maybe Powershell or something of that sort. Are there maybe some good tutorials about this out there on the web? Thanks!

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• Trying to understand Java Classloading

  - by Jens

  Hello, I'm currently getting to know Java and OSGi, so I've read a few books. In one particular book the class loading is described. You can download it (free and legal) from the authors page (Neil Bartlett): OSGi Book On page 9 and 10 are this pictures: It seems like there is the possibility that our class "Foo" won't use the class "Bar" of foobar.jar, but instead class "Bar" from naughty.jar. Because of the flat and global structure of the Java classpath this could be, but as far as I know you would define a package from where you want to import a certain class: import foobar.Bar This should prevent loading the wrong class, shouldn't it? Of course assuming that the package is called "foobar".

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• Filtering MySQL query result according to a interval of timestamp

  - by celalo

  Let's say I have a very large MySQL table with a timestamp field. So I want to filter out some of the results not to have too many rows because I am going to print them. Let's say the timestamps are increasing as the number of rows increase and they are like every one minute on average. (Does not necessarily to be exactly once every minute, ex: 2010-06-07 03:55:14, 2010-06-07 03:56:23, 2010-06-07 03:57:01, 2010-06-07 03:57:51, 2010-06-07 03:59:21 ...) As I mentioned earlier I want to filter out some of the records, I do not have specific rule to do that, but I was thinking to filter out the rows according to the timestamp interval. After I achieve filtering I want to have a result set which has a certain amount of minutes between timestamps on average (ex: 2010-06-07 03:20:14, 2010-06-07 03:29:23, 2010-06-07 03:38:01, 2010-06-07 03:49:51, 2010-06-07 03:59:21 ...) Last but not least, the operation should not take incredible amount of time, I need this functionality to be almost fast as a normal select operation. Do you have any suggestions?

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• Selectively configuring Apache 2 mod_headers for Google Chrome Frame

  - by Adam Cobb

  I am currently evaluating Google Chrome Frame and so far i'm happy with it, but what i'd like to do is selectively use it for certain sections of my website. Some sections require ActiveX so need to be viewed in native IE, whereas others benefit greatly, and may end up requiring, Chrome Frame. I've currently got the following configured in my apache httpd.conf file - <IfModule mod_setenvif.c> <IfModule mod_headers.c> BrowserMatch chromeframe gcf Header append X-UA-Compatible "chrome=1" env=gcf </IfModule> </IfModule> This causes anything coming in via Apache to get the chrome frame stuff added to the headers. What I need is to make this only happen when a user visits particular URL's / particular pages, which i'm currently controlling via RewriteRules. Could anybody explain how I would go about this, as my understanding of the Apache config files isn't brilliant. Thanks.

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• Running a custom VirtualPathProvider with a PreCompiled website

  - by epilog

  Hi, currently I have a custom VirtualPathProvider in a Asp.net MVC web application. This VirtualPathProvider checks the Area from the route "/{Area}/{Controller}/..." and uses the NameSpace.{Area}.Main.dll module to return the views that are contained in that assembly as Embedded Resources. This works great and I don't have to deploy any ascx, js, css files. Now my problem is this: I would like to precompile the aspx and ascx files in the assembly and instead of having the views as embedded resources I would have the view class with all the Response.Write and dings and dongs. I can precompile the views using the aspnet_compiler but I keep getting an error when ever the ViewEngine tries to find the view and fails. My main goal is to have a way for the first time usage of a certain view/usercontrol would be faster and don't wait for the compilation to happen. This is a requirement since the application could be grouped into plugins and this plugins be deployed into the Bin directory. Any thoughts? With best regards Carlos Sobrinho

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• Consuming an .ics in YQL

  - by Josh

  How would one consume an ICS file in YQL? Given an .ics such as: http://www.hebcal.com/export/ba/8a35a5efbb27548bc0272b94b8de96.ics?subscribe=1&v=1&year=2010&month=x&nh=on&tag=fp.ql&c=off How would I go about using YQL to select certain events based on fields, etc. I've tried the standard formats, and the only format that seems to even parse the file is HTML - which puts it all in a <p>, and removes the line returns that give the file meaning. I've had some success with using Yahoo Pipe's Fetch Feed Source, but was wondering if it's possible to do this entirely in YQL. Any ideas?

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• Does Blogging affect Job Prospects?

  - by BM

  Would a hiring manager at a small-to-medium consulting firm/corporation consider active blogging by a candidate about Programming/software/technology as a positive? Should the candidate disclose this information during the interviews or put it on the resume? Thanks for the answers, So far the views about this topic has been.. Don't mention the blog if it is not relevant to the job. Mention the blog, if you believe your blog has quality content. Potential risk of not being accepted by culture of the employer's workplace. Could be a valuable for consultants to publish & preview their skills and experience. Certain Employers may consider blogging of a candidate a plus. Be careful what you post on the blog,no badmouthing,rants and overt criticism of others. Do not lie about blogging,if directly asked during the interview.

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• Linq - How to query specific columns and return a lists

  - by Billy Logan

  Hello Everyone, I am trying to write a linq query that will only return certain columns from my entity object into a list object. Below is my code which produces an error(can't implicitly convert a generic list of anonymous types to a generic list of type TBLPROMOTION): List<TBLPROMOTION> promotionInfo = null; promotionInfo = (from p in matches orderby p.PROMOTION_NM descending select new { p.EFFECTIVE_DT, p.EXPIRE_DT, p.IS_ACTIVE, p.PROMOTION_DESC, p.PROMOTION_ID, p.PROMOTION_NM }).ToList(); What would be the best way to accomplish this. I do not want to do a "select p" in this case and return all the columns associated with the query. thanks in advance, Billy

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• Adding Columns to JTable dynamically

  - by martilyo

  I have an empty JTable, absolutely nothing in it. I need to dynamically generate its table columns in a certain way. A simplified version for the code I have for my attempt: @Action public void AddCol() { for (int i = 0; i < 10; i++) { TableColumn c = new TableColumn(i); c.setHeaderValue(getColNam(i)); table.getColumnModel().addColumn(c); } } But I'm getting an Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 0 >= 0 error. What am I doing wrong?

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• How do I set scons system include path

  - by Michael Anderson

  Using scons I can easily set my include paths: env.Append( CPPPATH=['foo'] ) This passes the flag -Ifoo to gcc However I'm trying to compile with a lot of warnings enabled. In particular with env.Append( CPPFLAGS=['-Werror', '-Wall', '-Wextra'] ) which dies horribly on certain boost includes ... I can fix this by adding the boost includes to the system include path rather than the include path as gcc treats system includes differently. So what I need to get passed to gcc instead of -Ifoo is -isystem foo I guess I could do this with the CPPFLAGS variable, but was wondering if there was a better solution built into scons.

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• Subsonic 3.0 Query limit with MySQL c#.net LinQ

  - by omegawkd

  Hello, a quick question which may or may not be easily answered. Currently, in order to return a limited result set of data to my calling reference using SubSonic I use a similar function as below: _DataSet = from CatSet in t2_aspnet_shopping_item_category.All() join CatProdAssignedLink in t2_aspnet_shopping_link_categoryproduct.All() on CatSet.CategoryID equals CatProdAssignedLink.CategoryID join ProdSet in t2_aspnet_shopping_item_product.All() on CatProdAssignedLink.ProductID equals ProdSet.ProductID where ProdSet.ProductID == __ProductID orderby CatProdAssignedLink.LinkID ascending select CatSet; and select the first item from the data set. Is there a way to limit the lookup initially to a certain amount of rows? I'm using MySQL as the base database.

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• Parse HTML file to grab all ID and Classes for a CSS file

  - by iamfriendly

  Hey all, A short while ago, I'm fairly certain I came across an application (or perhaps a plugin for Coda - the IDE I use) which quickly parses a html document and then spits out all of the elements with IDs and Classes for me to use in a CSS file. Having fully 'got into' zen coding - using the wonderful TEA plugin for Coda, I'm now hot on the heels of this app/plugin again. I've tried and failed miserably at hunting through Google, but have come up completely empty handed. Does anyone know of anything which can do this? Happy New Year everyone!

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• ASP.NET MVC: ModelState vs. ModelStateDictionary

  - by Alex

  Hello, I have a service which has a method that's called when a certain controller method is triggered. My service returns a custom result object PlacementResult in which I want to communicate errors that may have happened (validation) back to the controller method. Should PlacementResult have a ModelState or a ModelStateDictionary to communicate errors back to the controller (and finally view)? How would I string this together? Finally, how do I get the ModelState/ModelStateDictionary (whichever you tell me I should choose) back into the view (highlighting the appropriate text box, show the error message etc.)? Thank you !

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• Algorithm to detect no movable pieces in Stratego.

  - by maleki

  I am creating a Stratego Game and am having trouble creating an algorithm that can detect when there are no more possible moves because all your pieces are gone or the remaining pieces are unmovable or trapped by forbidden squares, unmovable pieces, or other trapped pieces. For simplicity you can think of the board as an array of Squares which can contain pieces. Square[][] gameBoard = new Square[10][10] Squares have easily checkable state such as hasPiece(), hasEnemyPiece(), hasUnMovablePiece(), hasMoveablePiece(), isBlocked(). It would also probably be nice if this algorithm wasn't run every time a player moved but maybe checked in the beginning and then only certain conditions were checked when the player moved.

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• Compound IDENTITY column in SQL SERVER 2008

  - by Asaf R

  An Orders table has a CustomerId column and an OrderId column. For certain reasons it's important that OrderId is no longer than 2-bytes. There will be several million orders in total, which makes 2-bytes not enough. A customer will have no more than several thousand orders making 2-bytes enough. The obvious solution is to have the (CustomerId, OrderId) be unique rather than (OrderId) itself. The problem is generating the next Customer's OrderId. Preferably, without creating a separate table for each customer (even if it contains only an IDENTITY column), in order to keep the upper layers of the solution simple. Q: how would you generate the next OrderId so that (CustomerId, OrderId) is unique but OrderId itself is allowed to have repetitions? Does Sql Server 2008 have a built in functionality for doing this? For lack of a better term I'm calling it a Compound IDENTITY column.

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• Trouble connecting to vsftpd on ubuntu server

  - by littleK

  I have installed Ubuntu Server 10.10 and I am using it to host a domain that I have. I am trying to set up FTP for the server, but I am running into some problems. I have successfully installed vsFTPd and I have opened up ports 20, 21 on my firewall. In my vsFTPd configuration, I have enabled SSL. Every time I try to connect to my server via FTP, I receive a "Connection Refused" error. I have had a little more success with SSL disabled, however the connection process will time out after the LIST command (but it does accept my authentication). Here is my vsFTPd configuration, the SSL stuff is at the bottom: # Example config file /etc/vsftpd.conf # # The default compiled in settings are fairly paranoid. This sample file # loosens things up a bit, to make the ftp daemon more usable. # Please see vsftpd.conf.5 for all compiled in defaults. # # READ THIS: This example file is NOT an exhaustive list of vsftpd options. # Please read the vsftpd.conf.5 manual page to get a full idea of vsftpd's # capabilities. # # # Run standalone? vsftpd can run either from an inetd or as a standalone # daemon started from an initscript. listen=YES # # Run standalone with IPv6? # Like the listen parameter, except vsftpd will listen on an IPv6 socket # instead of an IPv4 one. This parameter and the listen parameter are mutually # exclusive. #listen_ipv6=YES # # Allow anonymous FTP? (Disabled by default) anonymous_enable=NO # # Uncomment this to allow local users to log in. local_enable=YES # # Uncomment this to enable any form of FTP write command. write_enable=YES # # Default umask for local users is 077. You may wish to change this to 022, # if your users expect that (022 is used by most other ftpd's) #local_umask=022 # # Uncomment this to allow the anonymous FTP user to upload files. This only # has an effect if the above global write enable is activated. Also, you will # obviously need to create a directory writable by the FTP user. #anon_upload_enable=YES # # Uncomment this if you want the anonymous FTP user to be able to create # new directories. #anon_mkdir_write_enable=YES # # Activate directory messages - messages given to remote users when they # go into a certain directory. dirmessage_enable=YES # # If enabled, vsftpd will display directory listings with the time # in your local time zone. The default is to display GMT. The # times returned by the MDTM FTP command are also affected by this # option. use_localtime=YES # # Activate logging of uploads/downloads. xferlog_enable=YES # # Make sure PORT transfer connections originate from port 20 (ftp-data). connect_from_port_20=YES # # If you want, you can arrange for uploaded anonymous files to be owned by # a different user. Note! Using "root" for uploaded files is not # recommended! #chown_uploads=YES #chown_username=whoever # # You may override where the log file goes if you like. The default is shown # below. #xferlog_file=/var/log/vsftpd.log # # If you want, you can have your log file in standard ftpd xferlog format. # Note that the default log file location is /var/log/xferlog in this case. #xferlog_std_format=YES # # You may change the default value for timing out an idle session. #idle_session_timeout=600 # # You may change the default value for timing out a data connection. #data_connection_timeout=120 # # It is recommended that you define on your system a unique user which the # ftp server can use as a totally isolated and unprivileged user. #nopriv_user=ftpsecure # # Enable this and the server will recognise asynchronous ABOR requests. Not # recommended for security (the code is non-trivial). Not enabling it, # however, may confuse older FTP clients. #async_abor_enable=YES # # By default the server will pretend to allow ASCII mode but in fact ignore # the request. Turn on the below options to have the server actually do ASCII # mangling on files when in ASCII mode. # Beware that on some FTP servers, ASCII support allows a denial of service # attack (DoS) via the command "SIZE /big/file" in ASCII mode. vsftpd # predicted this attack and has always been safe, reporting the size of the # raw file. # ASCII mangling is a horrible feature of the protocol. #ascii_upload_enable=YES #ascii_download_enable=YES # # You may fully customise the login banner string: #ftpd_banner=Welcome to blah FTP service. # # You may specify a file of disallowed anonymous e-mail addresses. Apparently # useful for combatting certain DoS attacks. #deny_email_enable=YES # (default follows) #banned_email_file=/etc/vsftpd.banned_emails # # You may restrict local users to their home directories. See the FAQ for # the possible risks in this before using chroot_local_user or # chroot_list_enable below. #chroot_local_user=YES # # You may specify an explicit list of local users to chroot() to their home # directory. If chroot_local_user is YES, then this list becomes a list of # users to NOT chroot(). #chroot_local_user=YES #chroot_list_enable=YES # (default follows) #chroot_list_file=/etc/vsftpd.chroot_list # # You may activate the "-R" option to the builtin ls. This is disabled by # default to avoid remote users being able to cause excessive I/O on large # sites. However, some broken FTP clients such as "ncftp" and "mirror" assume # the presence of the "-R" option, so there is a strong case for enabling it. #ls_recurse_enable=YES # # Debian customization # # Some of vsftpd's settings don't fit the Debian filesystem layout by # default. These settings are more Debian-friendly. # # This option should be the name of a directory which is empty. Also, the # directory should not be writable by the ftp user. This directory is used # as a secure chroot() jail at times vsftpd does not require filesystem # access. secure_chroot_dir=/var/run/vsftpd/empty # # This string is the name of the PAM service vsftpd will use. pam_service_name=vsftpd # # This option specifies the location of the RSA certificate to use for SSL # encrypted connections. rsa_cert_file=/etc/ssl/private/vsftpd.pem # SSL ssl_enable=YES allow_anon_ssl=NO force_local_data_ssl=YES force_local_logins_ssl=YES ssl_tlsv1=YES ssl_sslv2=YES ssl_sslv3=YES Thanks!

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• Navigate to the Same Page After Action in JSF 2

  - by shipmaster

  I have a component done in JSF 1.x, this component has a command button as follows <h:commandButton ... action="#{templateController.next}" /> Where templateController was passed as an EL binding and can be any object that implements a certain interface. The generic implementation of next() was just executing code and then returning an empty string causing the same page to refresh: public String next() { ..... return ""; } Now I am trying to port that component to JSF 2, my problem is that an empty string doesn't cause the same page to refresh anymore, instead, the framework tries to redirect to a page called ".jsf" i.e it just appends .jsf to whatever the outcome is. My question is how to return an outcome that causes the current page to refresh. My component is generic and I don't know before hand the name of the page it is going to be used on. Thanks

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• undefined BIO_new_socket function in OpenSSL library

  - by Chuck

  Hi, I get the following problem with some openssl (yeah, I know it's poorly documented, but I wish to use it any way) code in a project of mine (written in c, on osx and tested in ubuntu): Undefined symbols: "_BIO_new_socket", referenced from: _main in ccG3cvyw.o ld: symbol(s) not found collect2: ld returned 1 exit status I did have SSL library problems aswel, because I forgot to link my program to the openssl libraries. The above undefined still stands though. My compile line is: gcc -o test_app test_app.c -lssl Versions I use: (GCC) 4.2.1 OpenSSL 0.9.8l 5 Nov 2009 I'm fairly certain it's a (linked) library issue, as the SSL function SSL_set_bio() works (as in does not produce a build error). Any clue is very much appreciated :) Chuck

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• Set text highlight colour of Blackberry RichTextField

  - by DaveJohnston

  Does anyone know how to set the background colour of just a section of text within a RichTextField on the Blackberry? I already use the offsets, attributes and fonts arrays to make changes to the appearance of certain sections of the text, but I would like to add a highlight colour to the background of one section too. I know there is a protected method called getBackgroundColors that returns an array of colors to be used, which I can overwrite. But I have tried this and that method never seems to get called in my code, I don't actually know how and when the underlying implementation of the RichTextField actually use this method. Any ideas?

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• What are jQuery best practices regarding Ajax convenience methods and error handling?

  - by JonathanHayward

  Let's suppose, for an example, that I want to partly clone Gmail's interface with jQuery Ajax and implement periodic auto-saving as well as sending. And in particular, let us suppose that I care about error handling, expecting network and other errors, and instead of just being optimistic I want sensible handling of different errors. If I use the "low-level" feature of $.ajax() then it's clear how to specify an error callback, but the convenience methods of $.get(), $.post(), and .load() do not allow an error callback to be specified. What are the best practices for pessimistic error handling? Is it by registering a .ajaxError() with certain wrapped sets, or an introspection-style global error handler in $.ajaxSetup()? What would the relevant portions of code look like to initiate an autosave so that a "could not autosave" type warning is displayed if an attempted autosave fails, and perhaps a message that is customized to the type of error? Thanks,

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• Consuming an iCal/.ics file in YQL

  - by Josh

  How would one consume an iCal/.ics file in YQL? Given an .ics such as: http://www.hebcal.com/export/ba/8a35a5efbb27548bc0272b94b8de96.ics?subscribe=1&v=1&year=2010&month=x&nh=on&tag=fp.ql&c=off How would I go about using YQL to select certain events based on fields, etc. I've tried the standard formats, and the only format that seems to even parse the file is HTML - which puts it all in a <p>, and removes the line returns that give the file meaning. I've had some success with using Yahoo Pipes' Fetch Feed Source, but was wondering if it's possible to do this entirely in YQL. Any ideas?

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