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• Lazy Tables app from iphone

  - by Warrior

  I am new to iphone development. I have parsed a youtube file and displaying its contents with the image in the table view. But the scrolling has become slower because of displaying image.So i want to display the image as the lazy tables program from apple docs.Since they have used navigation based application , their rootviewcontroller loads first and then the delegate class call the parsing ,and when they reload the table view, the contents are displayed. The data array count shows 25. I am using a view controller to display the tables on the present modal view, more over when i run my application, first delegate methods call the parsing. So when i click the youtube icon in my landing page it navigates to table view. So by this time data array count shows 0. I have created table view in interface builder and set the outlets to the file owner properly. Please help me out. I want to increasing the scrolling performance. Thanks.

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• Output to jTextArea in realtime

  - by Robert

  I have some code which takes a few minutes to process, it has to connect to the web for each string in a long array, each string is a url. I want to make it so that everytime it connects, it should refresh the jtextarea so that the user is not staring into a blank page that looks frozen for 20 min. or however long it takes. here is an example of something i tried and didnt work: try { ArrayList<String> myLinks = LinkParser.getmyLinksArray(jTextArea1.getText()); for (String s : myLinks) { jTextArea2.append(LinkChecker.checkFileStatus(s) + "\n"); } } catch (IOException ex) { JOptionPane.showMessageDialog(jTextArea1, "Parsing Error", "Parsing Error", JOptionPane.ERROR_MESSAGE); Logger.getLogger(MYView.class.getName()).log(Level.SEVERE, null, ex); }

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• How can I programmatically find the IP address/netmask/gateway configured for a specific network dev

  - by Oren S

  Hi I would like to write a piece of code which checks, for each network device (e.g. eth0, lo, master devices) some statistics and configuration data about that device. I could find the statistics data (and most of the configuration data) in /sys/class/net/..., however, I couldn't find any C/C++ API or any entry in procfs/sysfs listing the inet addr, netmask and gateway. Some alternatives I checked: parsing the output from ifconfig/route/some other utilities: I don't want to start a subprocess every time I need to do the inspection. parsing /etc/sysconfig/network-scripts/: will give me only the start-up configuration, and not the current state. Also, since this code is intended for a product in my workplace, where every external library is inspected thoroughly (meaning it will take me forever to add any external library) I prefer solutions which rely on Linux native API and not external libraries. Thanks!

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• recommended parser for XML in java(absolute beginner to xml)

  - by poeschlorn

  Hi Pro's, which parser (java) would you recommend for parsing GPX data? Im looking for a one that is very intuitive to use and should not need too much RAM (it seems that DOM requires too much, doesn't it?). I have no idea about parsing xml, so it is time for me to learn this ;-) My documents are not very huge and are always read twice(a point for DOM), but I don't want to keep as few things as possible in RAM. What would you do in this situation? Which one would you coose and why?

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• How do I generate different yyparse functions from lex/yacc for use in the same program?

  - by th

  Hi, I want to generate two separate parsing functions from lex/yacc. Normally yacc gives you a function yyparse() that you can call when you need to do some parsing, but I need to have several different yyparses each associated with different lexers and grammars. The man page seems to suggest the -p (prefix) flag, but this didn't work for me. I got errors from gcc that indicated that yylval was not properly being relabeled (i.e. it claims that several different tokens are not defined). Does anyone know the general rpocedure for generating these separate functions? thanks

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• how to turn off verbose reporting by htmlunit ?

  - by Kim Jong Woo

  htmlunit reports everything from css, to parsing errors on a page. how to silence this ??

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• Which Python XML library should I use?

  - by PulpFiction

  Hello. I am going to handle XML files for a project. I had earlier decided to use lxml but after reading the requirements, I think ElemenTree would be better for my purpose. The XML files that have to be processed are: Small in size. Typically < 10 KB. No namespaces. Simple XML structure. Given the small XML size, memory is not an issue. My only concern is fast parsing. What should I go with? Mostly I have seen people recommend lxml, but given my parsing requirements, do I really stand to benefit from it or would ElementTree serve my purpose better?

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• Best practices retrieving XML/stream from HTTP in Android

  - by Jeffrey

  Hello everyone, what are the best practices parsing XML from an HTTP resource in Android? I've been using HttpURLConnection to retrieve an InputStream, wrapping it with a BufferedInputStream, and then using SAX to parse the buffered stream. For the most part it works, though I do receive error reports of SocketTimeoutException: The operation timed out or general parsing error. I believe it's due to the InputStream. Would using HttpClient instead of HttpURLConnection help? If yes, why? Should the stream be output to a file, having the file parsed instead of the stream? Any input or direction would be greatly appreciated. Thanks for your time.

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• Import table from a image to a spreadsheet

  - by iceman

  How can I import a table from a scanned image (jpg/pdf) file to a spreadsheet? example scan is here

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• Unable to browse some pdfs and docs.

  - by JamesEggers

  I have a web site that uses Microsoft Indexing Service to index and query a directory that holds various documents of type pdf, rtf, mht, and doc. The indexing and querying works well (for the most part); however, some files will load while others will not. This is a Windows Server 2003 box running the site using IIS 6. The indexed directory is a sub directory off of the site's root directory (i.e. http://my.domain.com/files/). The file paths are accurate in the URL; however, I can only access some of the files of each file type. The files that I cannot access give a 404 File Not Found. I am able to open all files via windows explorer;however, attempting to open them via a browser over http is hit and miss. Has anyone experienced this issue and know how to resolve it? Anyone have any idea why I could access some files but not others? Does anyone have any recommendations on what to look into to try this (i.e. does owner matter or something like that?)? EDIT: Here is the Request and Response Headers for a bad file: GET /files/file1.pdf HTTP/1.1 Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/x-silverlight, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, / Accept-Language: en-us User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.590; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729) Accept-Encoding: gzip, deflate Proxy-Connection: Keep-Alive Host: my.domain.com HTTP/1.1 404 Not Found Content-Length: 1635 Content-Type: text/html Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET Date: Mon, 01 Jun 2009 15:38:54 GMT [typical 404 page markup excluded] Here is the Request/Response headers for the good file: GET /files/file2.pdf HTTP/1.1 Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/x-silverlight, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, / Accept-Language: en-us User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.590; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729) Accept-Encoding: gzip, deflate Proxy-Connection: Keep-Alive Host: my.domain.com HTTP/1.1 200 OK Content-Length: 352464 Content-Type: application/pdf Last-Modified: Tue, 13 Jan 2009 15:27:35 GMT Accept-Ranges: bytes ETag: "74ccc5759375c91:2a47" Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET Date: Mon, 01 Jun 2009 15:50:33 GMT

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• Open Microsoft Publisher Document on Linux

  - by Peter

  I'm pretty sure the options consist of Just don't do it (use a nice open standard file format). Not great when someone sends you something. Translate the format on Windows. I think you need Publisher, the viewer won't even print. But you can download a trial version for a once off (been there, done that). Submit the file for online translation to PDF. www.pdfonline.com/convert-pdf/ Use a Windows VM, wine, crossover office, Win4Lin, or otherwise run Publisher "under" linux. What I really want to do is convert it to something nicer natively under Linux.

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• Create Word files from Excel content

  - by Lennart

  I have an Excel file that I want to split into several files (Word, PDF is also good), based on content. The content is somewhat like this: Person Fase Date Item Text A 1 01-01-2012 Z Lorem ipsum A 2 01-02-2012 X Lorem ipsum B 1 02-01-2012 Y Lorem ipsum C 2 01-01-2012 Z Lorem ipsum I want Word/PDF documents with names like Person_Fase.docx And as content the date, item and text. Idealy in a table layout. Any hints/ clues on how to get there? It's about 700 clients, with up to 300 Excel entries each.

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• datetime command line argument in python 2.4

  - by Ike Walker

  I want to pass a datetime value into my python script on the command line. My first idea was to use optparse and pass the value in as a string, then use datetime.strptime to convert it to a datetime. This works fine on my machine (python 2.6), but I also need to run this script on machines that are running python 2.4, which doesn't have datetime.strptime. How can I pass the datetime value to the script in python 2.4? Here's the code I'm using in 2.6: parser = optparse.OptionParser() parser.add_option("-m", "--max_timestamp", dest="max_timestamp", help="only aggregate items older than MAX_TIMESTAMP", metavar="MAX_TIMESTAMP(YYYY-MM-DD HH24:MM)") options,args = parser.parse_args() if options.max_timestamp: # Try parsing the date argument try: max_timestamp = datetime.datetime.strptime(options.max_timestamp, "%Y-%m-%d %H:%M") except: print "Error parsing date input:",sys.exc_info() sys.exit(1)

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• transforming binary data using ssis and sql server 2008

  - by Rick

  Hello All - I have a task to import/transform and extract zipped binary files that contain both text data as well as embeded binary data. Within the data is data that is relational in nature and needs to be processed into a defined database structure. Currently I have a C# single threaded app that essentially grabs all the files from the directory (currently there is 13K files of varying sizes) and extracts the data on a single thread line by line inserts to the database. As you could imagine this is a very slow process and unacceptable. There are several different parsing routines used depending on the header record in the file. There are potentially upto a million rows per file when all the data is extracted to the row level of detail. Follow on task is to parse those rows into their appropriate tables based on is content. i.e. the textual content has to be parsed further into "buckets" of like data in the database. That about sums up the big picture. Now for the problem task list. How do i iterate through a packet of data using SSIS? In the app the file is decompressed and then is parsed using streams data type and byte arrays and is routed to the required parsing routine based on the header data of each packet. There is bit swapping involved as well. Should i wrap up the app code into a script task(s) and let it do the custom processing? The data is seperated by year and the sql server tables is partitioned by year as well. I need to be able to "catch" bad file data as well and process by hand most likely. Should i simply load the zipped file to sql as a blob and parse the file with T-SQL? Would that be multi threaded if done that way? Not sure how to do the parsing in tsql that is involved here. Which do you think would be faster? Potentially the data that is currently processed via files could come to us via a socket. Can SSIS collect that data in real time? How would i go about setting that up? Processing these new files from the directorys will become a daily task. I can manage the data once i get it to sql server. Getting it there in a timely fashion seems to be the long pole in the tent for me. I would appreciate any comments or suggestions from the group. Rick

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• How to implement buffering with timeout in RX

  - by Gaspar Nagy

  I need to implement an event processing, that is done delayed when there are no new events arriving for a certain period. (I have to queue up a parsing task when the text buffer changed, but I don't want to start the parsing when the user is still typing.) I'm new in RX, but as far as I see, I would need a combination of BufferWithTime and the Timeout methods. I imagine this to be working like this: it buffers the events until they are received regularly within a specified time period between the subsequent events. If there is a gap in the event flow (longer than the timespan) it should return propagate the events buffered so far. Having a look at how Buffer and Timeout is implemented, I could probably implement my BufferWithTimeout method (if everyone have one, please share with me), but I wonder if this can be achieved just by combining the existing methods. Any ideas?

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• adding remote ssh printer as local printer

  - by guest

  I have SSH access to a remote host (FreeBSD) that has a printer set up. I do not have root access on that host or any other special user rights. Now I want to print directly from my laptop on that printer (Ubuntu 10.10). The problem is that I don't know how to "import" or whatever the the printer, as it needs authetification from my user account (print quota limitations). E-mailing me the files I want to print or scp them every time is a pain, ATM I pipe the PostScript output manually to a ssh command, but that's also a huge working overhead. E.g. when I want to print a foo.pdf pdftops '/path/to/foo.pdf' - | ssh user@remotehost 'lpr -P printername' So, does anyone know of a smooth way to shorten this procedure? Ideally I would just want to use a printername instead of the whole ssh command

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• Is there any way to search within OneNote 2007 attachments

  - by jtolle

  I'm starting to use OneNote (2007) more. One thing I'd like to do is take notes on papers I have read. That is, I attach, say, a PDF file, and then type in some notes about it. Sometimes I do other stuff like copy some key text or figures from the paper, so OneNote is great for this because all that plus my own notes plus the file itself can all be in one place. However, the OneNote search doesn't seem to be able to search within said PDF files. Windows search finds things, but just in the OneNote cache, not the actual Onenote .one files. (Presumably that will only work for recently accessed stuff, and in any case doesn't take me to my actual notes.) Is there a way to do what I want? If not, does anyone have a suggestion (or link) as to how to best use OneNote to store (and later search for!) this kind of content and notes?

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• Understanding run time code interpretation and execution

  - by Bob

  I'm creating a game in XNA and was thinking of creating my own scripting language (extremely simple mind you). I know there's better ways to go about this (and that I'm reinventing the wheel), but I want the learning experience more than to be productive and fast. When confronted with code at run time, from what I understand, the usual approach is to parse into a machine code or byte code or something else that is actually executable and then execute that, right? But, for instance, when Chrome first came out they said their JavaScript engine was fast because it compiles the JavaScript into machine code. This implies other engines weren't compiling into machine code. I'd prefer not compiling to a lower language, so are there any known modern techniques for parsing and executing code without compiling to low level? Perhaps something like parsing the code into some sort of tree, branching through the tree, and comparing each symbol and calling some function that handles that symbol? (Wild guessing and stabbing in the dark)

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• python threading and performace?

  - by kumar

  I had to do heavy I/o bound operation, i.e Parsing large files and converting from one format to other format. Initially I used to do it serially, i.e parsing one after another..! Performance was very poor ( it used take 90+ seconds). So I decided to use threading to improve the performance. I created one thread for each file. ( 4 threads) for file in file_list: t=threading.Thread(target = self.convertfile,args = file) t.start() ts.append(t) for t in ts: t.join() But for my astonishment, there is no performance improvement whatsoever. Now also it takes around 90+ seconds to complete the task. As this is I/o bound operation , I had expected to improve the performance. What am I doing wrong?

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• Okular (on Ubuntu 9.10) prints multiple pages per sheet (n-up) very small

  - by dgleich

  I'm trying to print a set of beamer slides with multiple slides per page (4-up or 6-up). When I select 4 pages or 6 pages per sheet in the Okular print dialog, the pages print quite small (perhaps even tiny -- about 1.75" by 1.25") and leave significant white-space on the page. I can get around this behavior by using the pdfnup utility (in the pdfjam package); which will correctly generate a 4- or 6-up pdf file but it's annoying to generate a second pdf file when I should be able to accomplish this task from the print dialog. Details: Ubuntu 9.10 (Karmic), 64-bit, Color Postscript printer.

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• Android: Send arbitrary objects within Activities?

  - by Sebastian

  I have read some question here but I didn't find a solution. I have read about Parcelable, Intents, and sharing specific data within Activities from the android dev docs (both dev guide and reference). Here's the scenario: I have one ListActivity that fills in an object parsing an xml file, it shows a list of values, and when clicked I want to return the object that represents the item clicked to the activity that has called it, for then, call another activity with this object. I read on how to implement Parcelable but seems not being the way. Implementing Parcelable receives a Parcel for the constructor and then reads the values from it (or at least that was what I understood). This makes no sense for me and I can't see how to implement basing on that issue. I build the object parsing the xml file, not having a Parcel. I appreciate some clarifications on this, regards.

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• code throws std::bad_alloc, not enough memory or can it be a bug?

  - by Andreas

  I am parsing using a pretty large grammar (1.1 GB, it's data-oriented parsing). The parser I use (bitpar) is said to be optimized for highly ambiguous grammars. I'm getting this error: 1terminate called after throwing an instance of 'std::bad_alloc' what(): St9bad_alloc dotest.sh: line 11: 16686 Aborted bitpar -p -b 1 -s top -u unknownwordsm -w pos.dfsa /tmp/gsyntax.pcfg /tmp/gsyntax.lex arbobanko.test arbobanko.results Is there hope? Does it mean that it has ran out of memory? It uses about 15 GB before it crashes. The machine I'm using has 32 GB of RAM, plus swap as well. It crashes before outputting a single parse tree. The parser is an efficient CYK chart parser using bit vector representations; I presume it is already near the limit of memory efficiency. If it really requires too much memory I could sample from the grammar rules, but this will decrease parse accuracy of course.

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• How can I copy the link in Google without openning the link and the "Google stuff" in the URL? [closed]

  - by John Isaiah Carmona

  I want to copy a link in Google without opening that link and without the "Google stuff". When I use my browser by right-clicking the link and selecting Copy Link Location, it copies a very long link because of the Google stuff. http://www.google.com.ph/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CBwQFjAA&url=http%3A%2F%2Fdownload.microsoft.com%2Fdownload%2FC%2F0%2FA%2FC0AEF0CC-B969-406D-989A-4CDAFDBB3F3C%2FWin8_UXG_RTM.pdf&ei=1bWHULCyEZGQiQfl_IGIDA&usg=AFQjCNEtK1uai68ZKixTovFm2bwe7C9LGg&sig2=cPFFl4ARTTr7xHTHcr5k8A I just want the download.microsoft.com/.../C/0/A/.../Win8_UXG_RTM.pdf URL, but I can't see it in my browser even after opening the site with Google.

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• Is it possible to modify ASP.NET to no longer require runat="server"?

  - by sean2078

  I know why runat="server" is currently required (ASP.NET why runat="server"), but the consensus is that it should not be required if you incorporate a simple default into the design (I agree of course). Would it be possible to modify, extend, decompile and recreate, intercept or otherwise change the behavior of how ASP.NET parses ASPX and ASCX files so that runat="server" would no longer be required? For instance, I assume that a version of Mono could be branched to accomplish this goal. In case specific requirements are helpful, the following highlights one design: During parsing, when configured namespace tags are encountered (such as "asp"), default the element's runat property to "server" During parsing, when configured namespace tags are encountered (such as "asp"), if the element's runat property value is available, then that value should be used in place of the default New page-level setting introduced (can be set in the page directive or web.config) that specifies the default runat value for a specific namespace tag

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• Approaching this case with ABDPDF

  - by Younes

  We have ABCPDF 8 available to work with for this case. We need to rebuild an existing PDF with markup and texts in it with text that comes from a CMS. What we basicly want to do is use an existing PDF and replace blocks of text and images with the ones our content editors specify in Sitecore. I have been looking at the documentation of ABCPDF but it's kind of overwelming at this point, cause it's the first time I'm trying to do anything with dynamically building a PDF. I found that it's possible to read text from an existing PDF document using the .GetText(""); method. This Method will accept 4 parameters and I've tried the SVG one (returns xml). When I load the xml in an XmlDocument I find that alot of textblocks which I assumed to be one block of text is split up in different parts. For example: <text xml:space="preserve" x="215.4312" y="48.9478" font-size="9" font-family="Arial-BoldMT" fill="rgb(237, 106, 0)" textLength="94.032" transform="translate(215.4312, 48.9478) translate(-215.4312, -48.9478)">wijkverpleegkundige?</text> <text xml:space="preserve" x="215.4312" y="61.9438" font-size="9" font-family="ArialMT" textLength="5.652" transform="translate(215.4312, 61.9438) translate(-215.4312, -61.9438)">&#8226;&#9;</text> <text xml:space="preserve" x="223.9362" y="61.9438" font-size="9" font-family="ArialMT" textLength="49.509" transform="translate(223.9362, 61.9438) translate(-223.9362, -61.9438)">Lichamelijke</text> <text xml:space="preserve" x="273.4452" y="61.9438" font-size="9" font-family="ArialMT" textLength="2.502" transform="translate(273.4452, 61.9438) translate(-273.4452, -61.9438)">&#9;</text> <text xml:space="preserve" x="275.9472" y="61.9438" font-size="9" font-family="ArialMT" textLength="32.013" transform="translate(275.9472, 61.9438) translate(-275.9472, -61.9438)">controle</text> <text xml:space="preserve" x="307.9602" y="61.9438" font-size="9" font-family="ArialMT" textLength="2.502" transform="translate(307.9602, 61.9438) translate(-307.9602, -61.9438)">&#9;</text> <text xml:space="preserve" x="310.4622" y="61.9438" font-size="9" font-family="ArialMT" textLength="10.008" transform="translate(310.4622, 61.9438) translate(-310.4622, -61.9438)">op</text> <text xml:space="preserve" x="320.4702" y="61.9438" font-size="9" font-family="ArialMT" textLength="2.502" transform="translate(320.4702, 61.9438) translate(-320.4702, -61.9438)">&#9;</text> <text xml:space="preserve" x="322.9722" y="61.9438" font-size="9" font-family="ArialMT" textLength="42.021" transform="translate(322.9722, 61.9438) translate(-322.9722, -61.9438)">bloeddruk,</text> <text xml:space="preserve" x="364.9932" y="61.9438" font-size="9" font-family="ArialMT" textLength="2.502" transform="translate(364.9932, 61.9438) translate(-364.9932, -61.9438)">&#9;</text> <text xml:space="preserve" x="223.9362" y="74.9398" font-size="9" font-family="ArialMT" transform="translate(223.9362, 74.9398) translate(-223.9362, -74.9398)" My first idea was to get all blocks of text and just replace them with my own text that comes from the CMS, but this doesn't seem to be the way to go. I'm now completely lost and don't know how to approach this issue. Is there any way to get the following XML to be accessible in objects in ABCPDF or am I doing things wrong? What will be the best approach on making this happen?

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