Herb Sutter is a prominent C++ expert.
 He is also a book author and a columnist for Dr. Dobb's Journal.
 He joined Microsoft in 2002 as a platform evangelist for Visual C++ .
NET, rising to lead software architect for C++/CLI.
 Sutter served as secretary and convener of the ISO C++ standards committee for over 10 years.
 In September 2008 he was replaced by P.J. Plauger.
 He then re-assumed the convener position, after Plauger resigned in October 2009.
 In recent years Sutter was lead designer for C++/CX and C++ AMP.
Dr. Dobb's Journal (DDJ) was a monthly journal published in the United States by United Business Media.
 It covered topics aimed at computer programmers.
 When launched in 1975, DDJ was the first regular periodical focused on microcomputer software, rather than hardware.
 In its last years of publication, it was distributed as a PDF monthly, although the principal delivery of "Dr. Dobb's" content was through the magazine's website.
 Publication ceased at the end of 2014, with the archived website continuing to be available online.
Verity Stob is the pseudonym of a British satirical columnist.
 Stob is an anonymous software developer, the author of humorous and satirical articles about information technology, particularly software development.
 Since 1988, she has written her "Verity Stob" column for ".
EXE" magazine, "Dr. Dobb's Journal", and currently website "The Register".
 Stob was described as "the author of the longest-running satirical column on computer programming" by her fellow columnist, Andrew Orlowski.
The Washingtonian is a monthly magazine distributed in the Washington, D.C. area.
 It was founded in 1965 by Laughlin Phillips and Robert J. Myers.
 The magazine describes itself as "The Magazine Washington Lives By".
 The magazine's core focuses are local feature journalism, guide book–style articles, real estate, and politics.
Allen Holub is a computer scientist, author, educator, and consultant.
 He has written extensively on the C, C++, and Java programming languages, and on object-oriented programming in general.
 He also writes about and teaches agile development.
 He was a Contributing Editor for "Dr. Dobb's Journal" and "JavaWorld", a former columnist for "SD Times" ("Java Watch"), and has written the "OO Design Process" column for "IBM DeveloperWorks".
 He has also written for "Microsoft Systems Journal", "Programmers Journal", "BYTE Magazine", "Windows Tech Journal", "Mac Tech Journal", "C Gazette", and others.
Halcyon Days: Interviews with Classic Computer and Video Game Programmers is a digital book edited by James Hague and published in 1997.
 The book was originally formatted using HTML and sold via mail-order, shipped on a floppy disk by Dadgum Games for USD$20.
 In 2002 "Halcyon Days" was made freely available on the web.
 The book continued to be sold by "Dr. Dobb's Journal", on a CD-ROM also containing Susan Lammers's "Programmers at Work", until Dr. Dobb's shut down at the end of 2014.
Adventures in Middle-Earth is a tabletop role-playing game published by Cubicle 7.
 It is set in J.R.R. Tolkien's Middle-earth, in the time between "The Hobbit" and "The Lord of the Rings".
 It is a redesigned version of "The One Ring Roleplaying Game" that is compatible with the Fifth edition rules of D&D, via the OGL.
 It was released in 2016.
 Books are also released in PDF format as well, often being released in PDF format long before the physical release of the book.
The Dr. Dobb's Excellence in Programming Award was an annual prize given to individuals who, in the opinion of the editors of Dr. Dobb's Journal, "made significant contributions to the advancement of software development."
 The Excellence in Programming Award includes a $1,000 prize that was donated in the award winner's name to a charity of the winner's choice.
WWF is a modification of the open standard PDF format for document exchange endorsed by the World Wide Fund for Nature (also abbreviated WWF) Germany.
 The WWF format is promoted as being more environmentally friendly than other comparable document exchange formats (e.g. PDF or DOC) since documents in this format are designed to be more difficult to print.
 The motivation behind the use of the format is to prevent unnecessary printing of documents.
 The website claims that the file format will be able to be read by most programs that can open ordinary PDF files.
 At present, the software for creating WWF files is available for Mac OS X 10.4 and for Windows XP and later.
 An Open Source equivalent is available for Linux and for Windows XP and later.
Oceanography is a quarterly peer-reviewed scientific journal published by the Oceanography Society, that covers ocean science and its applications.
 The journal also has a special section for news and information, society meeting reports, book reviews, and shorter editor-reviewed articles on public policy an education.
 One section, titled "Breaking Waves", is for short papers describing novel multidisciplinary approaches to oceanographic problems.
 The journal and all its back issues, dating to 1988, are available both in print and in full PDF format online in the journal website's archives.
 "Oceanography" is abstracted and indexed in the Science Citation Index Expanded.
 According to the "Journal Citation Reports", the journal has a 2012 impact factor of 2.986.

Question: Which magazine distributed itself through PDF format, Dr. Dobb's Journal or Washingtonian?
Answer: Dr. Dobb's Journal