In computer science, a longest common substring of two or more strings is a longest string that is a substring of all of them. There may be more than one longest common substring. Applications include data deduplication and plagiarism detection. The strings "BADANAT" and "CANADAS" share the maximal-length substrings "ADA" and "ANA". The picture shows two strings where the problem has multiple solu
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manaten 2017/02/01
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Longest common subsequence - Wikipedia
Comparison of two revisions of an example file, based on their longest common subsequence (black) A longest common subsequence (LCS) is the longest subsequence common to all sequences in a set of sequences (often just two sequences). It differs from the longest common substring: unlike substrings, subsequences are not required to occupy consecutive positions within the original sequences. The prob
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List of assigned /8 IPv4 address blocks - Wikipedia
Some large /8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations, either by the Internet Corporation for Assigned Names and Numbers (ICANN), through the Internet Assigned Numbers Authority (IANA), or a regional Internet registry. Each /8 block contains 2563 = 224 = 16,777,216 addresses, which covers the whol
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4X - Wikipedia
4X (abbreviation of Explore, Expand, Exploit, Exterminate) is a subgenre of strategy-based computer and board games,[1][2][3] and includes both turn-based and real-time strategy titles.[4][5] The gameplay generally involves building an empire.[6] Emphasis is placed upon economic and technological development, as well as a range of military and non-military routes to supremacy. The earliest 4X game
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Classless Inter-Domain Routing - Wikipedia
The advantage of this system is that the network prefix could be determined for any IP address without any further information. The disadvantage is that networks were usually too big or too small for most organizations to use, because only three sizes were available. The smallest allocation and routing block contained 28 = 256 addresses, larger than necessary for personal or department networks, b
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Circle–ellipse problem - Wikipedia
The circle–ellipse problem in software development (sometimes called the square–rectangle problem) illustrates several pitfalls which can arise when using subtype polymorphism in object modelling. The issues are most commonly encountered when using object-oriented programming (OOP). By definition, this problem is a violation of the Liskov substitution principle, one of the SOLID principles. The pr
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Diehard tests - Wikipedia
The diehard tests are a battery of statistical tests for measuring the quality of a random number generator. They were developed by George Marsaglia over several years and first published in 1995 on a CD-ROM of random numbers.[1] In 2006, the original diehard tests were extended into the dieharder tests.[2] An initial battery of randomness tests for RNGs was suggested in the 1969 first edition of
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Deployment environment - Wikipedia
This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Deployment environment" – news · newspapers · books · scholar · JSTOR (June 2019) (Learn how and when to remove this message) In software deployment, an environment or tier is a computer system or set of
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VHDL - Wikipedia
VHDL source for a signed adder VHDL (VHSIC Hardware Description Language) is a hardware description language that can model the behavior and structure of digital systems at multiple levels of abstraction, ranging from the system level down to that of logic gates, for design entry, documentation, and verification purposes. The language was developed for the US military VHSIC program in the 1980s, a
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Comparison of web template engines - Wikipedia
This article contains dynamic lists that may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Comparison of web template engines
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Source lines of code - Wikipedia
This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article's lead section may be too short to adequately summarize the key points. Please consider expanding the lead to provide an accessible overview of all important aspects of the article. (April 2012) This article needs additional citations for ver
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List of Ajax frameworks - Wikipedia
This is a list of notable Ajax frameworks, used for creating web applications with a dynamic link between the client and the server. Some of the frameworks are JavaScript compilers, for generating JavaScript and Ajax that runs in the web browser client; some are pure JavaScript libraries; others are server-side frameworks that typically rely on JavaScript libraries. JavaScript frameworks are brows
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Paul the Octopus - Wikipedia
Paul the Octopus (26 January 2008[1] – 26 October 2010) was a common octopus who predicted the results of international association football matches. Accurate predictions in the 2010 World Cup brought him worldwide attention as an animal oracle. During divinations, Paul's keepers would present him with two food-containing boxes decorated with the flags of the teams in an upcoming match. Whichever
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