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  2. Language Integrated Query - Wikipedia

    en.wikipedia.org/wiki/Language_Integrated_Query

    Instead, it converts a LINQ query to a SQL query that is then sent to SQL Server for processing. [12] However, since SQL Server stores the data as relational data and LINQ works with data encapsulated in objects, the two representations must be mapped to one another. For this reason, LINQ to SQL also defines a mapping framework.

  3. Parameter (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Parameter_(computer...

    For example, if one defines the add subroutine as def add(x, y): return x + y, then x, y are parameters, while if this is called as add(2, 3), then 2, 3 are the arguments. Variables (and expressions thereof) from the calling context can be arguments: if the subroutine is called as a = 2; b = 3; add(a, b) then the variables a, b are the ...

  4. Fluent interface - Wikipedia

    en.wikipedia.org/wiki/Fluent_interface

    A fluent interface is normally implemented by using method chaining to implement method cascading (in languages that do not natively support cascading), concretely by having each method return the object to which it is attached [citation needed], often referred to as this or self.

  5. Comparison of C Sharp and Java - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_C_Sharp_and_Java

    As of C#7, it is possible to prevent reassignment of a method parameter by using the in keyword, however this keyword cannot be used on local variables. As with Java, applying in to a parameter only prevents the parameter from being reassigned to a different value.

  6. Select (SQL) - Wikipedia

    en.wikipedia.org/wiki/Select_(SQL)

    by adding a SQL window function to the SELECT-statement; ISO SQL:2008 introduced the FETCH FIRST clause. According to PostgreSQL v.9 documentation, an SQL window function "performs a calculation across a set of table rows that are somehow related to the current row", in a way similar to aggregate functions. [7]

  7. Object-oriented programming - Wikipedia

    en.wikipedia.org/wiki/Object-oriented_programming

    Class variables – belong to the class as a whole; there is only one copy of each variable, shared across all instances of the class; Instance variables or attributes – data that belongs to individual objects; every object has its own copy of each one. All 4 variables mentioned above (first_name, position etc) are instance variables.

  8. Opaque data type - Wikipedia

    en.wikipedia.org/wiki/Opaque_data_type

    The only thing that the client can do with an object of such a type is to take its memory address, to produce an opaque pointer. If the information provided by the interface is sufficient to determine the type's size, then clients can declare variables, fields, and arrays of that type, assign their values, and possibly compare them for equality ...

  9. Class (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Class_(computer_programming)

    Class variableVariable defined in a class whose objects all possess the same copy; Instance variable – Member variable of a class that all its objects possess a copy of; List of object-oriented programming languages; Trait (computer programming) – Set of methods that extend the functionality of a class