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  2. Tier 1 network - Wikipedia

    en.wikipedia.org/wiki/Tier_1_network

    The subset representing Tier 1 networks is collectively understood in a loose sense, but not published as such. Common definitions of Tier 2 and Tier 3 networks: Tier 2 network: A network that peers for no charge with some networks, but still purchases IP transit or pays for peering to reach at least some portion of the Internet.

  3. Python (programming language) - Wikipedia

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

    Guido van Rossum began working on Python in the late 1980s as a successor to the ABC programming language and first released it in 1991 as Python 0.9.0. [36] Python 2.0 was released in 2000. Python 3.0, released in 2008, was a major revision not completely backward-compatible with earlier versions. Python 2.7.18, released in 2020, was the last ...

  4. Self-hosting (compilers) - Wikipedia

    en.wikipedia.org/wiki/Self-hosting_(compilers)

    Since self-hosted compilers suffer from the same bootstrap problems as operating systems, a compiler for a new programming language needs to be written in an existing language. So the developer may use something like assembly language, C/C++, or even a scripting language like Python or Lua to build the first version of the compiler. Once the ...

  5. Tiered Internet service - Wikipedia

    en.wikipedia.org/wiki/Tiered_Internet_service

    Net neutrality is the practice of keeping Internet service providers from offering tiered service and controlling the ability to block out competition by restricting certain pipelines within the Internet. By blocking these pipelines, the provider creates an unfair transfer of packets across the Internet, diminishing the quality of service.

  6. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    The IP address in CIDR notation is always represented according to the standards for IPv4 or IPv6. The address may denote a specific interface address (including a host identifier, such as 10.0.0.1 / 8), or it may be the beginning address of an entire network (using a host identifier of 0, as in 10.0.0.0 / 8 or its equivalent 10 / 8).

  7. Cython - Wikipedia

    en.wikipedia.org/wiki/Cython

    The default can be overridden (e.g. in source code comment) to Python 3 (or 2) syntax. Since Python 3 syntax has changed in recent versions, Cython may not be up to date with the latest additions. Cython has "native support for most of the C++ language" and "compiles almost all existing Python code". [7] Cython 3.0.0 was released on 17 July ...

  8. Multitier programming - Wikipedia

    en.wikipedia.org/wiki/Multitier_programming

    In multitier programming, the different tiers are implemented using a single programming language. Different compilation backends take into account the destination tier (e.g., Java for a server and JavaScript for a web browser). Consequently, a functionality that is spread over tiers can be implemented in a single compilation unit of a ...

  9. Three-address code - Wikipedia

    en.wikipedia.org/wiki/Three-address_code

    Three-address code may have conditional and unconditional jumps and methods of accessing memory. It may also have methods of calling functions, or it may reduce these to jumps. In this way, three-address code may be useful in control-flow analysis. In the following C-like example, a loop stores the squares of the numbers between 0 and 9: