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  2. Data deduplication - Wikipedia

    en.wikipedia.org/wiki/Data_deduplication

    When files with same hashes are found then the file copy is removed and the new file points to the old file. Unlike hard links however, duplicated files are considered to be separate entities and if one of the duplicated files is later modified, then using a system called copy-on-write a copy of that changed file or block is created.

  3. Duplicate code - Wikipedia

    en.wikipedia.org/wiki/Duplicate_code

    In computer programming, duplicate code is a sequence of source code that occurs more than once, either within a program or across different programs owned or maintained by the same entity. Duplicate code is generally considered undesirable for a number of reasons. [ 1 ]

  4. Template:Duplication - Wikipedia

    en.wikipedia.org/wiki/Template:Duplication

    Use this cleanup template to indicate that an article or section duplicates the scope of other articles or sections. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Month and year date The month and year that the template was placed (in full). "{{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}" inserts the current ...

  5. Object copying - Wikipedia

    en.wikipedia.org/wiki/Object_copying

    To effect the creation of a new object which is a shallow duplicate of y, the feature twin is used. In this case, one new object is created with its fields identical to those of the source. The feature twin relies on the feature copy, which can be redefined in descendants of ANY, if needed. The result of twin is of the anchored type like Current.

  6. Web storage - Wikipedia

    en.wikipedia.org/wiki/Web_storage

    Web storage, sometimes known as DOM storage (Document Object Model storage), is a standard JavaScript API provided by web browsers. It enables websites to store persistent data on users' devices similar to cookies , but with much larger capacity [ 1 ] and no information sent in HTTP headers . [ 2 ]

  7. JSON - Wikipedia

    en.wikipedia.org/wiki/JSON

    Asynchronous JavaScript and JSON (or AJAJ) refers to the same dynamic web page methodology as Ajax, but instead of XML, JSON is the data format. AJAJ is a web development technique that provides for the ability of a web page to request new data after it has loaded into the web browser. Typically, it renders new data from the server in response ...

  8. Document Object Model - Wikipedia

    en.wikipedia.org/wiki/Document_Object_Model

    The history of the Document Object Model is intertwined with the history of the "browser wars" of the late 1990s between Netscape Navigator and Microsoft Internet Explorer, as well as with that of JavaScript and JScript, the first scripting languages to be widely implemented in the JavaScript engines of web browsers. JavaScript was released by ...

  9. Duplicate content - Wikipedia

    en.wikipedia.org/wiki/Duplicate_content

    Duplicate content is a term used in the field of search engine optimization to describe content that appears on more than one web page. The duplicate content can be substantial parts of the content within or across domains and can be either exactly duplicate or closely similar. [ 1 ]