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  2. Comparison of data-serialization formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    Floating-point String Array Associative array/Object; Ion: null null.null null.bool null.int null.float null.decimal null.timestamp null.string null.symbol null.blob null.clob null.struct null.list null.sexp. true: false: 685230-685230 0xA74AE 0b111010010101110: 6.8523015e5 "A to Z" ''' A to Z '''

  3. Blittable types - Wikipedia

    en.wikipedia.org/wiki/Blittable_types

    Blittable types are data types in the Microsoft .NET Framework that have an identical presentation in memory for both managed and unmanaged code. Understanding the difference between blittable and non-blittable types can aid in using COM Interop or P/Invoke, two techniques for interoperability in .NET applications.

  4. Boolean data type - Wikipedia

    en.wikipedia.org/wiki/Boolean_data_type

    The SQL:1999 standard introduced a BOOLEAN data type as an optional feature (T031). When restricted by a NOT NULL constraint, a SQL BOOLEAN behaves like Booleans in other languages, which can store only TRUE and FALSE values. However, if it is nullable, which is the default like all other SQL data types, it can have the special null value also.

  5. C Sharp syntax - Wikipedia

    en.wikipedia.org/wiki/C_Sharp_syntax

    128-bit (16-byte) 0.0: float: System. Single: floating point number ±1.401298E−45 through ±3.402823E+38 32-bit (4-byte) 0.0: double: System. Double: floating point number ±4.94065645841246E−324 through ±1.79769313486232E+308 64-bit (8-byte) 0.0: bool: System. Boolean: Boolean true or false: 8-bit (1-byte) false: char: System. Char ...

  6. Decimal data type - Wikipedia

    en.wikipedia.org/wiki/Decimal_data_type

    A decimal data type could be implemented as either a floating-point number or as a fixed-point number. In the fixed-point case, the denominator would be set to a fixed power of ten. In the floating-point case, a variable exponent would represent the power of ten to which the mantissa of the number is multiplied.

  7. BSON - Wikipedia

    en.wikipedia.org/wiki/BSON

    [4] [5] The topmost element in the structure must be of type BSON object and contains 1 or more elements, where an element consists of a field name, a type, and a value. Field names are strings. Types include: Unicode string (using the UTF-8 encoding) 32-bit integer; 64-bit integer; double (64-bit IEEE 754 floating point number, including NaN/Inf)

  8. Union type - Wikipedia

    en.wikipedia.org/wiki/Union_type

    ] The size of a union is sufficient to contain the largest of its members. The value of at most one of the members can be stored in a union object at any time. A pointer to a union object, suitably converted, points to each of its members (or if a member is a bit-field, then to the unit in which it resides), and vice versa.

  9. Data type - Wikipedia

    en.wikipedia.org/wiki/Data_type

    The standard type hierarchy of Python 3. In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible values, a set of allowed operations on these values, and/or a representation of these values as machine types. [1]