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  2. Null object pattern - Wikipedia

    en.wikipedia.org/wiki/Null_object_pattern

    In object-oriented computer programming, a null object is an object with no referenced value or with defined neutral (null) behavior.The null object design pattern, which describes the uses of such objects and their behavior (or lack thereof), was first published as "Void Value" [1] and later in the Pattern Languages of Program Design book series as "Null Object".

  3. Module pattern - Wikipedia

    en.wikipedia.org/wiki/Module_pattern

    This pattern can be implemented in several ways depending on the host programming language, such as the singleton design pattern, object-oriented static members in a class and procedural global functions. In Python, the pattern is built into the language, and each .py file is automatically a module.

  4. Software design pattern - Wikipedia

    en.wikipedia.org/wiki/Software_design_pattern

    In software engineering, a software design pattern or design pattern is a general, reusable solution to a commonly occurring problem in many contexts in software design. [1] A design pattern is not a rigid structure that can be transplanted directly into source code. Rather, it is a description or a template for solving a particular type of ...

  5. C Sharp (programming language) - Wikipedia

    en.wikipedia.org/wiki/C_Sharp_(programming_language)

    List comprehension – C# 3 LINQ; Tuples – .NET Framework 4.0 but it becomes popular when C# 7.0 introduced a new tuple type with language support [102] Nested functions – C# 7.0 [102] Pattern matching – C# 7.0 [102] Immutability – C# 7.2 readonly struct C# 9 record types [103] and Init only setters [104]

  6. Safe navigation operator - Wikipedia

    en.wikipedia.org/wiki/Safe_navigation_operator

    In object-oriented programming, the safe navigation operator (also known as optional chaining operator, safe call operator, null-conditional operator, null-propagation operator) is a binary operator that returns null if its first argument is null; otherwise it performs a dereferencing operation as specified by the second argument (typically an ...

  7. Today's Wordle Hint, Answer for #1270 on Tuesday, December 10 ...

    www.aol.com/todays-wordle-hint-answer-1270...

    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1270 ahead. Let's start with a few hints.

  8. C Sharp syntax - Wikipedia

    en.wikipedia.org/wiki/C_Sharp_syntax

    The foreach statement is derived from the for statement and makes use of a certain pattern described in C#'s language specification in order to obtain and use an enumerator of elements to iterate over. Each item in the given collection will be returned and reachable in the context of the code block.

  9. ESPN's 'Around the Horn' coming to an end in 2025 - AOL

    www.aol.com/reports-espns-around-horn-coming...

    The daily roundtable sports show, hosted weekday afternoons since 2004 by Tony Reali, will air its final episode next summer.