Tom Christiansen
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Tom Christiansen
Thomas S. "Tom" Christiansen (born February 13, 1963), nicknamed tchrist or occasionally thoth, is a Unix developer and user known for his work with the Perl programming language. Christiansen worked for several years at TSR Hobbies before attending the University of Wisconsin - Madison where he earned B.A.'s in Spanish and Computer Science, and an M.S. in Computer Science. He worked for five years at Convex Computer. In 1993, he established the Tom Christiansen Perl Consultancy, located in Lake Geneva, Wisconsin. In 2010, he joined the Biomedical Text Mining Group at the University of Colorado School of Medicine. Christiansen, with a C- and-Unix background, was one of the early contributors to Perl after its public release in 1987. He presented the first public Perl tutorial in 1989 and wrote the first academic paper to highlight Perl in 1990. He was the author of much of the core Perl documentation, including the manual pages perlfaq and perltoot, development of ''perl.co ...
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Programmer
A computer programmer, sometimes referred to as a software developer, a software engineer, a programmer or a coder, is a person who creates computer programs — often for larger computer software. A programmer is someone who writes/creates computer software or applications by providing a specific programming language to the computer. Most programmers have extensive computing and coding experience in many varieties of programming languages and platforms, such as Structured Query Language (SQL), Perl, Extensible Markup Language (XML), PHP, HTML, C, C++ and Java. A programmer's most often-used computer language (e.g., Assembly, C, C++, C#, JavaScript, Lisp, Python, Java, etc.) may be prefixed to the aforementioned terms. Some who work with web programming languages may also prefix their titles with ''web''. Terminology There is no industry-wide standard terminology, so "programmer" and "software engineer" might refer to the same role at different companies. Most typically, ...
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Learning Perl
''Learning Perl'', also known as the llama book, is a tutorial book for the Perl programming language, and is published by O'Reilly Media. The first edition (1993) was authored solely by Randal L. Schwartz, and covered Perl 4. All subsequent editions have covered Perl 5. The second (1997) edition was coauthored with Tom Christiansen and the third (2001) edition was coauthored with Tom Phoenix. The fourth (2005), fifth (2008), sixth (2011), and seventh (2016) editions were written by Schwartz, Phoenix, and brian d foy. According to the 5th edition of the book, previous editions have sold more than 500,000 copies. Unlike '' Programming Perl'', this book is aimed at computer programmers new to Perl. The publisher offers a complete set of code examples presented in the 3rd Edition book. Schwartz selected the world of ''The Flintstones'' for the examples in this book, giving rise to the somewhat frequent use of ''Fred'' and ''Barney'' as metasyntactic variables, rather than the clas ...
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Perl Writers
Perl is a family of two high-level, general-purpose, interpreted, dynamic programming languages. "Perl" refers to Perl 5, but from 2000 to 2019 it also referred to its redesigned "sister language", Perl 6, before the latter's name was officially changed to Raku in October 2019. Though Perl is not officially an acronym, there are various backronyms in use, including "Practical Extraction and Reporting Language". Perl was developed by Larry Wall in 1987 as a general-purpose Unix scripting language to make report processing easier. Since then, it has undergone many changes and revisions. Raku, which began as a redesign of Perl 5 in 2000, eventually evolved into a separate language. Both languages continue to be developed independently by different development teams and liberally borrow ideas from each other. The Perl languages borrow features from other programming languages including C, sh, AWK, and sed; They provide text processing facilities without the arbitrary data-le ...
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Living People
Related categories * :Year of birth missing (living people) / :Year of birth unknown * :Date of birth missing (living people) / :Date of birth unknown * :Place of birth missing (living people) / :Place of birth unknown * :Year of death missing / :Year of death unknown * :Date of death missing / :Date of death unknown * :Place of death missing / :Place of death unknown * :Missing middle or first names See also * :Dead people * :Template:L, which generates this category or death years, and birth year and sort keys. : {{DEFAULTSORT:Living people 21st-century people People by status ...
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1963 Births
Events January * January 1 – Bogle–Chandler case: Commonwealth Scientific and Industrial Research Organisation scientist Dr. Gilbert Bogle and Mrs. Margaret Chandler are found dead (presumed poisoned), in bushland near the Lane Cove River, Sydney, Australia. * January 2 – Vietnam War – Battle of Ap Bac: The Viet Cong win their first major victory. * January 9 – A total penumbral lunar eclipse is visible in the Americas, Europe, Africa, and Asia, and is the 56th lunar eclipse of Lunar Saros 114. Gamma has a value of −1.01282. It occurs on the night between Wednesday, January 9 and Thursday, January 10, 1963. * January 13 – 1963 Togolese coup d'état: A military coup in Togo results in the installation of coup leader Emmanuel Bodjollé as president. * January 17 – A last quarter moon occurs between the penumbral lunar eclipse and the annular solar eclipse, only 12 hours, 29 minutes after apogee. * January 19 – Soviet spy Ghe ...
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PerlMonks
''PerlMonks'' is a community website covering all aspects of Perl programming and other related topics such as web applications and system administration. It is often referred to by users as 'The Monastery'. The name PerlMonks, and the general style of the website, is designed to both humorously reflect the almost religious zeal that programmers sometimes have for their favorite language, and also to engender an atmosphere of calm reflection and consideration for other users. Users (referred to as monks) create discussion topics which other monks can reply to and vote as good or bad. Users have an experience rating (XP) that roughly measures their participation in the PerlMonks website as perceived by the other monks, not necessarily their proficiency in the Perl language. All monks have a 'home node', providing profile information and an area for Monks to personalize. Notable members include the creator of the Perl language, the authors of several well-known Perl books and the au ...
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Usenet
Usenet () is a worldwide distributed discussion system available on computers. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Ellis conceived the idea in 1979, and it was established in 1980.''From Usenet to CoWebs: interacting with social information spaces'', Christopher Lueg, Danyel Fisher, Springer (2003), , Users read and post messages (called ''articles'' or ''posts'', and collectively termed ''news'') to one or more topic categories, known as newsgroups. Usenet resembles a bulletin board system (BBS) in many respects and is the precursor to the Internet forums that have become widely used. Discussions are threaded, as with web forums and BBSs, though posts are stored on the server sequentially.The jargon file v4.4.7
, Jargon File Archive.

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CMP Media
UBM Technology Group, formerly CMP Publications, was a business-to-business multimedia company that provided information and integrated marketing services to technology professionals worldwide. It offered marketers and advertisers services such as print, newsletters, custom web sites, and events. Its products and services include newspapers, magazines, Internet products, research, education and training, trade shows and conferences, direct marketing services and custom publishing. Headquartered in San Francisco, California, UBM Technology Group was a part of UBM, a global business-to-business (B2B) events organiser which in turn owned by Informa and later absorbed into Informa Tech. History In 1971, Gerard "Gerry" Leeds and his wife, Lilo, founded the company as CMP Publications Inc. in Manhasset, New York. Their sons Michael and Daniel managed the company in 1988, and launched TechWeb in 1994. CMP Media went public in 1997. CMP Media acquired McGraw-Hill Information Technology ...
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Randal Schwartz
Randal L. Schwartz (born November 22, 1961), also known as merlyn, is an American author, system administrator and programming consultant. He has written several books on the Perl programming language, and plays a promotional role within the Perl community. He is a co-host of FLOSS Weekly. In 1995, while working as a consultant for Intel, he cracked a number of passwords on the company's systems. He was convicted of hacking, sentenced to five years probation, and fined. The conviction was expunged in 2007. Career Schwartz is the co-author of several widely used books about Perl, a programming language, and has written regular columns about Perl for several computer magazines, including UNIX Review, Web Techniques, and the Perl Journal. He popularized the Just another Perl hacker signature programs. He is a founding board member of the Perl Mongers, the worldwide Perl grassroots advocacy organization. He was a member of the Squeak Oversight Board, which oversees the Squeak ...
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Linux Journal
''Linux Journal'' (''LJ'') is an American monthly technology magazine originally published by Specialized System Consultants, Inc. (SSC) in Seattle, Washington since 1994. In December 2006 the publisher changed to Belltown Media, Inc. in Houston, Texas. Since 2017, the publisher was Linux Journal, LLC. located in Denver, Colorado. The magazine focused specifically on Linux, allowing the content to be a highly specialized source of information for open source enthusiasts. The magazine was published from March 1994 to August 2019, over 25 years, before being bought by Slashdot Media in 2020. History ''Linux Journal'' was the first magazine to be published about the Linux kernel and operating systems based on it. It was established in 1994. The first issue was published in March 1994 by Phil Hughes and Bob Young, who later co-founded Red Hat, and it featured an interview with Linux creator Linus Torvalds. The publication's last print edition was August 2011, issue 208. Beginning ...
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