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  2. Exception handling syntax - Wikipedia

    en.wikipedia.org/wiki/Exception_handling_syntax

    Exception:: Class is a base class and class-maker for derived exception classes. It provides a full structured stack trace in $@ -> trace and $@ -> trace -> as_string . Fatal overloads previously defined functions that return true/false e.g., open , close , read , write , etc.

  3. Active listening - Wikipedia

    en.wikipedia.org/wiki/Active_listening

    Active listening is the practice of preparing to listen, observing what verbal and non-verbal messages are being sent, and then providing appropriate feedback for the sake of showing attentiveness to the message being presented. [1] Active listening is listening to understand. [2]

  4. Context-free grammar - Wikipedia

    en.wikipedia.org/wiki/Context-free_grammar

    Context-free grammars are a special form of Semi-Thue systems that in their general form date back to the work of Axel Thue. The formalism of context-free grammars was developed in the mid-1950s by Noam Chomsky, [3] and also their classification as a special type of formal grammar (which he called phrase-structure grammars). [4]

  5. Romans 9 - Wikipedia

    en.wikipedia.org/wiki/Romans_9

    Romans 9 is the ninth chapter of the Epistle to the Romans in the New Testament of the Christian Bible. It is authored by Paul the Apostle , while he was in Corinth in the mid-50s AD, [ 1 ] with the help of an amanuensis (secretary), Tertius , who adds his own greeting in Romans 16:22 . [ 2 ]

  6. Multi-stage fitness test - Wikipedia

    en.wikipedia.org/wiki/Multi-stage_fitness_test

    Shuttles format (e.g. 9.5). The maximum laps on the PACER test is 247, [ 1 ] which former Central Middle School student Dennis Mejia achieved, [ 2 ] the only person to ever reach such a level. The test is used by sporting organizations around the world along with schools, the military, and others interested in gauging cardiovascular endurance ...

  7. Secretary problem - Wikipedia

    en.wikipedia.org/wiki/Secretary_problem

    Graphs of probabilities of getting the best candidate (red circles) from n applications, and k/n (blue crosses) where k is the sample size. The secretary problem demonstrates a scenario involving optimal stopping theory [1] [2] that is studied extensively in the fields of applied probability, statistics, and decision theory.

  8. Recursion (computer science) - Wikipedia

    en.wikipedia.org/wiki/Recursion_(computer_science)

    A common algorithm design tactic is to divide a problem into sub-problems of the same type as the original, solve those sub-problems, and combine the results. This is often referred to as the divide-and-conquer method; when combined with a lookup table that stores the results of previously solved sub-problems (to avoid solving them repeatedly and incurring extra computation time), it can be ...

  9. Textbook - Wikipedia

    en.wikipedia.org/wiki/Textbook

    The report called on all parties within the industry to work together to find productive solutions, which included a movement toward open textbooks and other lower-cost digital solutions. Textbook prices are considerably higher in law school. Students ordinarily pay close to $200 for case books consisting of cases available free online.