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  • Is it possible to print to a Brother MFC-490CW that is conected to a LAN

    - by Johan Poelsma
    I have a Brother MFC-490CW printer that is connected to my LAN (wireless) and on which I can print with fine from Windows. From Ubuntu however, it does not seem to be possible. I downloaded and installed cups and lpd drivers from the Brother site and installed them. I get a Brother printer that says it is connected via USB. If I search for a network printer, my printer is shown. If I select it and select the correct driver, I can submit test pages. These pages are however not printed. What could be wrong. Should it really be that much harder then it is on Windows?

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  • Can't print, CUPS package corrupted and hangs on re-install

    - by Little Bobby Tables
    When I upgraded to Ubuntu 10.4 (Maverick), the upgrade process got stuck on the post-installation of the CUPS package. I had to kill processes and run several forced updates before I could finally get regular updated. Ever since I can't print - The printed file gets messed up and crashes the printer. I also can't re-install CUPS, as each time the installation hangs and I have to kill it before it completes. I tried to find a workaround for this problem, but in vain. Does anyone know how to bypass this? Or at least why can the post-installation hang, and how to re-install a problematic package? Some system specs and other hints: Dell D630 laptop running Ubuntu 10.4, Gnome desktop, standard LAN network, printing to an LPD server. Everything worked fine on 9.10. Also, the printed files themselves are not corrupted. The problem does not seem to be Evince-specific, but common to all printouts.

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  • Ubuntu samba file and print server

    - by Gerd
    I am using an old Dell desktop PC as a samba file and print server for a Windows 7 network. The version of Unbuntu I am running is 12.04 which seems to big for the RAM and disk space I have available. Unbuntu 12.04 runs very very slow, the printing over the home network works at a quite acceptable speed. I have two problems: SLOW Ubuntu and I cannot update samba. The update manager tells me "update failed". So my two questions: Is there anything I can remove from the standard 12.04 installation to make Ubuntu run faster and should I uninstall and the reinstall samba to overcome the "update failed" problem? I hesitate, as printing and file serving works somehow and I don't want to loose that. I know I should give you more information to give me answers. But what would you need to know? I am not a natural Linux user. Windows 7 is still my home. Thanks in advance, Gerd

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  • Reliable and fast way to convert a zillion ODT files in PDF?

    - by Marco Mariani
    I need to pre-produce a million or two PDF files from a simple template (a few pages and tables) with embedded fonts. Usually, I would stay low level in a case like this, and compose everything with a library like ReportLab, but I joined late in the project. Currently, I have a template.odt and use markers in the content.xml files to fill with data from a DB. I can smoothly create the ODT files, they always look rigth. For the ODT to PDF conversion, I'm using openoffice in server mode (and PyODConverter w/ named pipe), but it's not very reliable: in a batch of documents, there is eventually a point after which all the processed files are converted into garbage (wrong fonts and letters sprawled all over the page). Problem is not predictably reproducible (does not depend on the data), happens in OOo 2.3 and 3.2, in Ubuntu, XP, Server 2003 and Windows 7. My Heisenbug detector is ticking. I tried to reduce the size of batches and restarting OOo after each one; still, a small percentage of the documents are messed up. Of course I'll write about this on the Ooo mailing lists, but in the meanwhile, I have a delivery and lost too much time already. Where do I go? Completely avoid the ODT format and go for another template system. Suggestions? Anything that takes a few seconds to run is way too slow. OOo takes around a second and it sums to 15 days of processing time. I had to write a program for clustering the jobs over several clients. Keep the format but go for another tool/program for the conversion. Which one? There are many apps in the shareware or commercial repositories for windows, but trying each one is a daunting task. Some are too slow, some cannot be run in batch without buying it first, some cannot work from command line, etc. Open source tools tend not to reinvent the wheel and often depend on openoffice. Converting to an intermediate .DOC format could help to avoid the OOo bug, but it would double the processing time and complicate a task that is already too hairy. Try to produce the PDFs twice and compare them, discarding the whole batch if there's something wrong. Although the documents look equal, I know of no way to compare the binary content. Restart OOo after processing each document. it would take a lot more time to produce them it would lower the percentage of the wrong files, and make it very hard to identify them. Go for ReportLab and recreate the pages programmatically. This is the approach I'm going to try in a few minutes. Learn to properly format bulleted lists Thanks a lot.

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  • Is Prince the best way to PDF in Ruby on Rails?

    - by Angela
    After several Google searches, it appears that the way to create PDF's in Rails from HTML and CSS (versus a new markup language) is to use Prince. With licensing at $3800 for my non-big-commercial app, I'm wondering if this is, in fact, consensus or people have an alternative they can share the what's and how's.

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  • Can I have a user submit a form and receive a PDF copy?

    - by thatryan
    Not quite sure how to ask this :) But what I need is to have some forms online that people can fill out, like registration form etc. They will then submit it and be emailed it as well as me and have it stored in a database. Is there a way for the files to be PDFs? Can I have an editable PDF form online? Thank you.

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  • Java API to create pdf with tables: any recommendations?

    - by jack
    I need to create a PDF containing some tables. When looking on google/stackoverflow the most frequent API seems to be iText but that's under the AGPL licence and thus not desirable for my purposes. I also frequently see apache pdfbox but that does not seem to have native support for tables (although a slightly hacky way was posted at Apache PDFBox Java library - Is there an API for creating tables? ) Does anyone have any recommendations?

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  • Drawing a PDF Right-Side-Up in CGContext

    - by Carter Allen
    I'm overriding the drawRect: method in a custom UIView, and I'm doing some custom drawing. All was going well, until I needed to draw a PDF resource (a vector glyph, to be precise) into the context. First I retrieve the PDF from a file: NSURL *pdfURL = [NSURL fileURLWithPath:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"CardKit.bundle/A.pdf"]]; CGPDFDocumentRef pdfDoc = CGPDFDocumentCreateWithURL((CFURLRef)pdfURL); CGPDFPageRef pdfPage = CGPDFDocumentGetPage(pdfDoc, 1); Then I create a box with the same dimensions as the loaded PDF: CGRect box = CGPDFPageGetBoxRect(pdfPage, kCGPDFArtBox); Then I save my graphics state, so that I don't screw anything up: CGContextSaveGState(context); And then I perform a scale+translate of the CTM, theoretically flipping the whole context: CGContextScaleCTM(context, 1.0, -1.0); CGContextTranslateCTM(context, 0.0, rect.size.height); I then scale the PDF so that it fits into the view properly: CGContextScaleCTM(context, rect.size.width/box.size.width, rect.size.height/box.size.height); And finally, I draw the PDF and restore the graphics state: CGContextDrawPDFPage(context, pdfPage); CGContextRestoreGState(context); The issue is that there is nothing visible drawn. All this code should theoretically draw the PDF glyph into the view, right? If I remove the scale+translate used to flip the context, it draws perfectly: it just draws upside-down. Any ideas?

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  • R plotting multiple histograms on single plot to .pdf as a part of R batch script

    - by Bryce Thomas
    I am writing R scripts which play just a small role in a chain of commands I am executing from a terminal. Basically, I do much of my data manipulation in a Python script and then pipe the output to my R script for plotting. So, from the terminal I execute commands which look something like $python whatever.py | R CMD BATCH do_some_plotting.R. This workflow has been working well for me so far, though I have now reached a point where I want to overlay multiple histograms on the same plot, inspired by this answer to another user's question on Stackoverflow. Inside my R script, my plotting code looks like this: pdf("my_output.pdf") plot(hist(d$original,breaks="FD",prob=TRUE), col=rgb(0,0,1,1/4),xlim=c(0,4000),main="original - This plot is in beta") plot(hist(d$minus_thirty_minutes,breaks="FD",prob=TRUE), col=rgb(1,0,0,1/4),add=T,xlim=c(0,4000),main="minus_thirty_minutes - This plot is in beta") Notably, I am using add=T, which is presumably meant to specify that the second plot should be overlaid on top of the first. When my script has finished, the result I am getting is not two histograms overlaid on top of each other, but rather a 3-page PDF whose 3 individual plots contain the titles: i) Histogram of d$original ii) original - This plot is in beta iii) Histogram of d$minus_thirty_minutes So there's two points here I'm looking to clarify. Firstly, even if the plots weren't overlaid, I would expect just a 2-page PDF, not a 3-page PDF. Can someone explain why I am getting a 3-page PDF? Secondly, is there a correction I can make here somewhere to get just the two histograms plotted, and both of them on the same plot (i.e. 1-page PDF)? The other Stackoverflow question/answer I linked to in the first paragraph did mention that alpha-blending isn't supported on all devices, and so I'm curious whether this has anything to do with it. Either way, it would be good to know if there is a R-based solution to my problem or whether I'm going to have to pipe my data into a different language/plotting engine.

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  • Nested table height in TCPDF

    - by Kuroki Kaze
    Is it possible to make nested table fit height of its parent cell in TCPDF? My code: <?php require_once('tcpdf/config/lang/eng.php'); require_once('tcpdf/tcpdf.php'); $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false); $pdf->setPrintHeader(false); $pdf->setPrintFooter(false); $pdf->SetFont('times', 'BI', 8); $pdf->AddPage(); $pdf->writeHTML('<table> <tr><td bgcolor="gray"> Angoisse et vif espoir, sans humeur factieuse.<br/> Plus allait se vidant le fatal sablier,<br/> Plus ma torture était âpre et délicieuse;<br/> Tout mon coeur s’arrachait au monde familier</td> <td bgcolor="lightgray">Second</td> <td bgcolor="gray">Third</td> <td> <table style="height: 100%"> <tr bgcolor="blue" style="height: 30%"><td bgcolor="yellow" style="height: 30%">Ichi</td></tr> <tr bgcolor="white" style="height: 30%"><td bgcolor="cyan" style="height: 30%">Ni</td></tr> <tr bgcolor="blue" style="height: 30%"><td bgcolor="yellow" style="height: 30%">San</td></tr> </table> </td></tr> </table>'); $pdf->Output('example_002.pdf', 'I'); ?> I want table in last cell to fill it entirely. Is there any way to do this?

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  • Help in alignment in HTML2pdf..

    - by piemesons
    I am having a html page with no style attribute.HTML tags i am using are "center,line break tag, bold tag".Html page doesnot contain any table. its a simple document.I need help for:- Adding margin of 1 inch on all sides of the pdf file. I want to start every para with space of two tabs. ("&nbsp" generate space in html file but not in pdf file.) Code i am using:-- ob_start(); // start buffering and displaying page echo 'All the content i m fetching according my requirements'; $file_name_string=substr($guid, 0, 8); $file_name=$file_name_string.".htm"; file_put_contents($file_name, ob_get_contents()); // end buffering and displaying page ob_end_flush(); $output_file=$file_name_string.".pdf"; require('html2fpdf.php'); $pdf=new HTML2FPDF(); $pdf->SetFont('Arial','B',12); $pdf->AddPage(); $fp = fopen($file_name,"r"); $strContent = fread($fp, filesize($file_name)); fclose($fp); $pdf->WriteHTML($strContent); $pdf->Output($output_file); EDIT ANybody who can help me....

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  • How do I overwrite a file currently being read by Python

    - by Brian
    Hi guys, I am not too sure the best way to word this, but what I want to do, is read a pdf file, make various modifications, and save the modified pdf over the original file. As of now, I am able to save the modified pdf to a separate file, but I am looking to replace the original, not create a new file. Here is my current code: from pyPdf import PdfFileWriter, PdfFileReader output = PdfFileWriter() input = PdfFileReader(file('input.pdf', 'rb')) blank = PdfFileReader(file('C:\\BLANK.pdf', 'rb')) # Copy the input pdf to the output. for page in range(int(input.getNumPages())): output.addPage(input.getPage(page)) # Add a blank page if needed. if (input.getNumPages() % 2 != 0): output.addPage(blank.getPage(0)) # Write the output to pdf. outputStream = file('input.pdf', 'wb') output.write(outputStream) outputStream.close() If i change the outputStream to a different file name, it works fine, I just cant save over the input file because it is still being used. I have tried to .close() the stream, but it was giving me errors as well. I have a feeling this has a fairly simple solution, I just haven't had any luck finding it. Thanks!

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  • Google Books Downloader Downloads Google Books to PDF and JPG

    - by Jason Fitzpatrick
    If you’re looking for a way to download and format shift books and magazines found in Google Books, Google Books Downloader can help. Google Books Downloader takes what you can see in Google Books and downloads it either as a PDF file or as a series of JPGs. The key to using Google Books Downloader successfully is to understand that it can only download what you can see sitting at your computer. It isn’t tapping into some secret back-end resource at Google to siphon books down; it is simply converting the pages you see that are “stuck” in Google Books into a format you can use elsewhere. As such you can download the entire book if it is marked “Full Preview”, part of the book if it is marked “Preview” (useful if you’re trying to save pages for a research project and don’t need the whole book), and none of the book if it is only “Snippet View”. The process works on anything you can find in Google Books including magazines. Google Books Downloader is free, Windows only. Google Books Downloader [via Addictive Tips] How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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