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VeriSign | A Wisdom Archive on VeriSign | | VeriSign A selection of articles related to VeriSign | |
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| ARTICLES RELATED TO VeriSign | | | |  VeriSign: Encyclopedia II - Perl - UsagePerl has many and varied applications.
It has been used since the early days of the Web to write CGI scripts, and is an integral component of the popular LAMP (Linux / Apache / MySQL / (Perl / PHP / Python)) platform for web development. Perl has been called "the glue that holds the web together". Large projects written in Perl include Slash, early implementations of PHP [2], and UseModWiki, the wiki software ...
See also:Perl, Perl - History, Perl - Future, Perl - The name Perl, Perl - The camel symbol, Perl - Philosophy, Perl - Usage, Perl - Syntax, Perl - Sample code, Perl - Data structures, Perl - Control structures, Perl - Subroutines, Perl - Regular expressions, Perl - Resources, Perl - Implementations, Perl - Database interfaces, Perl - CPAN, Perl - Availability, Perl - Supported platforms, Perl - License, Perl - Opinion, Perl - Pro, Perl - Con, Perl - Fun with Perl Read more here: » Perl: Encyclopedia II - Perl - Usage |
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| | | | | VeriSign: Encyclopedia II - Perl - Availability
Perl - Supported platforms.
Perl is available for most operating systems. It is particularly prevalent on Unix and Unix-like systems (such as Linux, FreeBSD, and Mac OS X), and is growing in popularity on Microsoft Windows systems.
Perl has been ported to over a hundred different platforms. Perl can, with only six reported exceptions, be compiled from source on all Unix-like, POSIX-compliant or otherwise Unix-compatible platforms, including AmigaOS, BeOS, Cygwin, and Mac OS X. It can be compiled from sourc ...
See also:Perl, Perl - History, Perl - Future, Perl - The name Perl, Perl - The camel symbol, Perl - Philosophy, Perl - Usage, Perl - Syntax, Perl - Sample code, Perl - Data structures, Perl - Control structures, Perl - Subroutines, Perl - Regular expressions, Perl - Resources, Perl - Implementations, Perl - Database interfaces, Perl - CPAN, Perl - Availability, Perl - Supported platforms, Perl - License, Perl - Opinion, Perl - Pro, Perl - Con, Perl - Fun with Perl Read more here: » Perl: Encyclopedia II - Perl - Availability |
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| | | | | VeriSign: Encyclopedia II - Perl - Resources
Perl - Implementations.
Perl is implemented as a core interpreter, written in C, together with a large collection of modules, written in Perl and C. The source distribution is, as of 2005, 12 MB when packaged in a tar file and compressed. The interpreter is 150,000 lines of C code and compiles to a 1 MB executable on typical machine architectures. Alternately, the interpreter can be compiled to a link library and embedded in other programs. There are nearly 500 modules in the distribution, comprising 200,000 lines of Perl and an additional 350,000 lines of C code. Much of the C code in the modules cons ...
See also:Perl, Perl - History, Perl - Future, Perl - The name Perl, Perl - The camel symbol, Perl - Philosophy, Perl - Usage, Perl - Syntax, Perl - Sample code, Perl - Data structures, Perl - Control structures, Perl - Subroutines, Perl - Regular expressions, Perl - Resources, Perl - Implementations, Perl - Database interfaces, Perl - CPAN, Perl - Availability, Perl - Supported platforms, Perl - License, Perl - Opinion, Perl - Pro, Perl - Con, Perl - Fun with Perl Read more here: » Perl: Encyclopedia II - Perl - Resources |
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| | | | | VeriSign: Encyclopedia II - Domain name - Unconventional domain names Due to the rarity of one-word dot-com domain names, many unconventional domain names, domain hacks, have been gaining popularity. They make use of the top-level domain as an integral part of the website's title. Two of the most visited domain hack websites are del.icio.us and blo.gs, which spell out 'delicious' and 'blogs', respectively.
Some unconventional domain names are also used to create unconventional email addresses. Non-working examples that spell 'James' are j@m.es and j@mes.com, which use the domain ...
See also:Domain name, Domain name - Examples, Domain name - Top-level domains, Domain name - Official assignment, Domain name - Uses and abuses, Domain name - Generic domain names — problems arising out of unregulated name selection, Domain name - Unconventional domain names, Domain name - Commercial resale of domain names, Domain name - Caveat Emptor Read more here: » Domain name: Encyclopedia II - Domain name - Unconventional domain names |
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| | | | | VeriSign: Encyclopedia II - Perl - CPAN CPAN, the Comprehensive Perl Archive Network, is a collection of mirrored web sites that serve as a primary archive and distribution channel for Perl sources, distributions, documentation, scripts, and—especially—modules. It is commonly browsed with the search engine http://search.cpan.org/.
There are currently over 8,800 modules available on CPAN, contributed by over 2,500 authors. Modules are available for a wide variety of tasks, including advanced mathematics, database connectivity, and networking. Essentially everything on CP ...
See also:Perl, Perl - Overview, Perl - Language features, Perl - Applications, Perl - Implementation, Perl - Availability, Perl - Language structure, Perl - Example Program, Perl - Data types, Perl - Control structures, Perl - Subroutines, Perl - Regular expressions, Perl - Database interfaces, Perl - Language design, Perl - Opinion, Perl - Pro, Perl - Con, Perl - History, Perl - Future, Perl - CPAN, Perl - Name, Perl - The Camel Symbol, Perl - Fun with Perl Read more here: » Perl: Encyclopedia II - Perl - CPAN |
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| | | | | VeriSign: Encyclopedia II - Domain name - Caveat Emptor Care should always be exercised when registering a domain name: DNS is case-insensitive and the modern trend of words run together with intercapping can be misinterpreted when converted to lowercase. Who Represents, a database of artists and agents, chose http://www.whorepresents.com; a therapists' network thought http://www.therapistfinder.com looked good; Experts Exchange, the programmers' site, for a long time had http://www.expertsexchange.com.
In such situations, the proper wording can be clarified by use of hyphens. For instance, http://www.expertsexchange.com changed ...
See also:Domain name, Domain name - Examples, Domain name - Top-level domains, Domain name - Official assignment, Domain name - Uses and abuses, Domain name - Generic domain names — problems arising out of unregulated name selection, Domain name - Unconventional domain names, Domain name - Commercial resale of domain names, Domain name - Caveat Emptor Read more here: » Domain name: Encyclopedia II - Domain name - Caveat Emptor |
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| | | | | VeriSign: Encyclopedia II - Domain name - Commercial resale of domain names An economic effect of the widespread usage of domain names has been the resale market for generic domain names that has sprung up in the last decade. Certain domains, especially those related to business, gambling, pornography, and other commercially lucrative fields have become very much in demand to corporations and entrepreneurs due to their intrinsic value in attracting clients. In fact, the most expensive internet domain name to date, according to Guinness World Records, is business.com which was resold in 1999 for $7.5 million. Another ...
See also:Domain name, Domain name - Examples, Domain name - Top-level domains, Domain name - Official assignment, Domain name - Uses and abuses, Domain name - Generic domain names — problems arising out of unregulated name selection, Domain name - Unconventional domain names, Domain name - Commercial resale of domain names, Domain name - Caveat Emptor Read more here: » Domain name: Encyclopedia II - Domain name - Commercial resale of domain names |
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| | | | | VeriSign: Encyclopedia II - Perl - Future At the 2000 Perl Conference, Jon Orwant made a case for a major new language initiative. This led to a decision to begin work on a redesign of the language, to be called Perl 6. Proposals for new language features were solicited from the Perl community at large, and over 300 RFCs were submitted.
Larry Wall spent the next few years digesting the RFCs and synthesizing them into a coherent framework for Perl 6. He has presented his design for Perl 6 in a series of documents called apocalypses, which are numbered to correspond to chapters ...
See also:Perl, Perl - Overview, Perl - Language features, Perl - Applications, Perl - Implementation, Perl - Availability, Perl - Language structure, Perl - Example Program, Perl - Data types, Perl - Control structures, Perl - Subroutines, Perl - Regular expressions, Perl - Database interfaces, Perl - Language design, Perl - Opinion, Perl - Pro, Perl - Con, Perl - History, Perl - Future, Perl - CPAN, Perl - Name, Perl - The Camel Symbol, Perl - Fun with Perl Read more here: » Perl: Encyclopedia II - Perl - Future |
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| | | | | VeriSign: Encyclopedia II - Perl - Overview The perlintro(1) man page states:
Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.
The language is intended to be practical (easy to use, efficient, complete) rather than beautiful (tiny, elegant, minimal). Its major features are that it's easy to use, supports both procedural and object-oriented (OO) programming, has powerful built-in support for text processing, and has one of the world's most impressive collectio ...
See also:Perl, Perl - Overview, Perl - Language features, Perl - Applications, Perl - Implementation, Perl - Availability, Perl - Language structure, Perl - Example Program, Perl - Data types, Perl - Control structures, Perl - Subroutines, Perl - Regular expressions, Perl - Database interfaces, Perl - Language design, Perl - Opinion, Perl - Pro, Perl - Con, Perl - History, Perl - Future, Perl - CPAN, Perl - Name, Perl - The Camel Symbol, Perl - Fun with Perl Read more here: » Perl: Encyclopedia II - Perl - Overview |
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| | | | | VeriSign: Encyclopedia II - Perl - Language design The design of Perl can be understood as a response to three broad trends in the computer industry: falling hardware costs, rising labor costs, and improvements in compiler technology. Many earlier computer languages, such as Fortran and C, were designed to make efficient use of expensive computer hardware. In contrast, Perl is designed to make efficient use of expensive computer programmers.
Perl has many features that ease the programmer's task at the expense of greater CPU and memory requirements. These include automatic memory management; dynamic typing; strings, lists, and hashes; regular expressions; intros ...
See also:Perl, Perl - Overview, Perl - Language features, Perl - Applications, Perl - Implementation, Perl - Availability, Perl - Language structure, Perl - Example Program, Perl - Data types, Perl - Control structures, Perl - Subroutines, Perl - Regular expressions, Perl - Database interfaces, Perl - Language design, Perl - Opinion, Perl - Pro, Perl - Con, Perl - History, Perl - Future, Perl - CPAN, Perl - Name, Perl - The Camel Symbol, Perl - Fun with Perl Read more here: » Perl: Encyclopedia II - Perl - Language design |
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| | | | | | VeriSign: Encyclopedia II - VeriSign - Divisions The Internet Services division includes Naming & Directory Services, which houses the domain name registry for .com and .net, as well as other DNS-related services, and RFID services; and Security Services, which spans a diverse set of capabilities. Security Services includes managed security services (firewalls, intrusion detection and prevention, vulnerability protection, phishing response, etc.), email security (anti-spam, anti-virus), strong authentication (tokens and remote access validation), payment services (ecommerce transaction ...
See also:VeriSign, VeriSign - History, VeriSign - Divisions, VeriSign - Controversies, VeriSign - Milestones Read more here: » VeriSign: Encyclopedia II - VeriSign - Divisions |
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