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  2. React (software) - Wikipedia

    en.wikipedia.org/wiki/React_(software)

    When rendering a component, values are passed between components through props (short for "properties"). Values internal to a component are called its state. [16] The two primary ways of declaring components in React are through function components and class components. [14]: 118 [17]: 10

  3. Nested set model - Wikipedia

    en.wikipedia.org/wiki/Nested_set_model

    The nested set model is a technique for representing nested set collections (also known as trees or hierarchies) in relational databases. It is based on Nested Intervals, that "are immune to hierarchy reorganization problem, and allow answering ancestor path hierarchical queries algorithmically — without accessing the stored hierarchy relation".

  4. Event-driven programming - Wikipedia

    en.wikipedia.org/wiki/Event-driven_programming

    The actual logic is contained in event-handler routines. These routines handle the events to which the main program will respond. For example, a single left-button mouse-click on a command button in a GUI program may trigger a routine that will open another window, save data to a database or exit the application.

  5. OpenOffice.org - Wikipedia

    en.wikipedia.org/wiki/OpenOffice.org

    The Apache project removed or replaced as much code as possible from OpenOffice.org 3.4 beta 1, including fonts, under licenses unacceptable to Apache [228] and released 3.4.0 in May 2012. [ 126 ] The codebase for IBM's Lotus Symphony was donated to the Apache Software Foundation in 2012 and merged for Apache OpenOffice 4.0, [ 229 ] and ...

  6. Stock market prediction - Wikipedia

    en.wikipedia.org/wiki/Stock_market_prediction

    Intrinsic value (true value) is the perceived or calculated value of a company, including tangible and intangible factors, using fundamental analysis. It's also frequently called fundamental value. It is used for comparison with the company's market value and finding out whether the company is undervalued on the stock market or not.

  7. Symphony No. 7 (Shostakovich) - Wikipedia

    en.wikipedia.org/wiki/Symphony_No._7_(Shostakovich)

    With the help of his best friend, critic Ivan Sollertinsky, who was knowledgeable about the Bible, he selected excerpts from the Ninth Psalm. The idea of individual suffering became interwoven in Shostakovich's mind with the Lord God's vengeance for the taking of innocent blood (Verse 12, New King James Version ).

  8. Stack Overflow - Wikipedia

    en.wikipedia.org/wiki/Stack_Overflow

    [2] [3] [4] It was created in 2008 by Jeff Atwood and Joel Spolsky. [5] [6] It features questions and answers on certain computer programming topics. [7] [8] [9] It was created to be a more open alternative to earlier question and answer websites such as Experts-Exchange.

  9. Turing pattern - Wikipedia

    en.wikipedia.org/wiki/Turing_pattern

    Three examples of Turing patterns Six stable states from Turing equations, the last one forms Turing patterns. The Turing pattern is a concept introduced by English mathematician Alan Turing in a 1952 paper titled "The Chemical Basis of Morphogenesis" which describes how patterns in nature, such as stripes and spots, can arise naturally and autonomously from a homogeneous, uniform state.