When cucumber encounters a failing step in a @javascript feature, the selenium browser window instantly closes. Sometimes you do not...
Sometimes you want to use a vanilla Ruby method like a block. You can use Object#method to obtain a...
I believe that when WEBrick has trouble bringing up your Rails application, the WEBrick component that is supposed to print...
While it might seem trivial to implement an invoice that sums up items and shows net, gross and vat totals...
Note that converting from RGB to CMYK will usually degrade your colors because no exact mapping is possible. Anyway, this...
Use the PDF toolkit: sudo apt-get install pdftk To rotate page 1 by 90 degrees clockwise: pdftk in.pdf cat...
Pdfposter is a Python script that allows to convert large PDFs into a PDF with multiple pages that can be...
You can unpack a .tar.gz file into the current directory like this: tar -xzvf archive.tar.gz The options used are
This will install a printer called "PDF": sudo apt-get install cups-pdf Files will be put into ~/PDF/ without...
Sometimes PDF cucumber tests fail at the first test run and succeed at the second run. You can fix this...
Automatically convert bitmap images like JPEGs, GIFs and PNGs to the crisp, clean, scalable vector art of EPS, SVG, and...
The trick is this: send a low-resolution version of your image to the screen, and a high-resolution version...
The Ubuntu Documentation on LaTeX says, that the packages tetex are no longer supported. You can install the alternative texlive...
PhantomJS is a minimalistic headless WebKit. It has fast and native support for various web standards: DOM handling, CSS selector...
If you plan to insert an existing PDF into a new LaTeX document that you will compile to PDF, you...
If you run specs or your application and get an error like: ActionController::MissingFile in 'ProductsController#show, should render PDF...
The step definitions below allow you to write this in both Webrat and Capybara: When I follow "Download as PDF...
Gallery of fonts you can use without much hassle in LaTeX. The license of the fonts vary, but are all...
If a controller action responds to other formats than HTML (XML, PDF, Excel, JSON, ...), you can reach that code in...
We use RTeX for PDF exports. While converting LaTeX to PDF, RTeX opens a temporary file which has problematic permissions...
This is an awesome gadget in your toolbox, even if your test coverage is great. gem install ruby-debug (Ruby...
The following counts all the lines in all *.rb files in the app directory. Run several of these commands to...
This may be awkward to set up, but will work once you're done. Fun facts:
An example of the conundrum of transferring print documents to the web, one that has become legendary in some circles...