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  2. List of HTTP status codes - Wikipedia

    https://en.wikipedia.org/wiki/List_of_HTTP_status_codes

    An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.

  3. List of SMTP server return codes - Wikipedia

    https://en.wikipedia.org/wiki/List_of_SMTP_server_return...

    X.3.XXX Mail System Status. X.4.XXX Network and Routing Status. X.5.XXX Mail Delivery Protocol Status. X.6.XXX Message Content or Media Status. X.7.XXX Security or Policy Status. The meaning of the "detail" field depends on the class and the subject, and are listed in RFC 3463 and RFC 5248 . A server capable of replying with an Enhanced Status ...

  4. Server Name Indication - Wikipedia

    https://en.wikipedia.org/wiki/Server_Name_Indication

    Server Name Indication ( SNI) is an extension to the Transport Layer Security (TLS) computer networking protocol by which a client indicates which hostname it is attempting to connect to at the start of the handshaking process. [ 1] The extension allows a server to present one of multiple possible certificates on the same IP address and TCP ...

  5. Compilation error - Wikipedia

    https://en.wikipedia.org/wiki/Compilation_error

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more

  6. HotSpot (virtual machine) - Wikipedia

    https://en.wikipedia.org/wiki/HotSpot_(virtual_machine)

    HotSpot, released as Java HotSpot Performance Engine, [ 1] is a Java virtual machine for desktop and server computers, developed by Sun Microsystems which was purchased by and became a division of Oracle Corporation in 2010. Its features improved performance via methods such as just-in-time compilation and adaptive optimization.

  7. Comparison of Java and C++ - Wikipedia

    https://en.wikipedia.org/wiki/Comparison_of_Java_and_C++

    Java and C++ use different means to divide code into multiple source files. Java uses a package system that dictates the file name and path for all program definitions. Its compiler imports the executable class files. C++ uses a header file source code inclusion system to share declarations between source files.

  8. Linux - Wikipedia

    https://en.wikipedia.org/wiki/Linux

    Later, Linux matured and further Linux kernel development took place on Linux systems. [53] GNU applications also replaced all Minix components, because it was advantageous to use the freely available code from the GNU Project with the fledgling operating system; code licensed under the GNU GPL can be reused in other computer programs as long ...

  9. Python (programming language) - Wikipedia

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

    It ships with most Linux distributions, [226] AmigaOS 4 (using Python 2.7), FreeBSD (as a package), NetBSD, and OpenBSD (as a package) and can be used from the command line (terminal). Many Linux distributions use installers written in Python: Ubuntu uses the Ubiquity installer, while Red Hat Linux and Fedora Linux use the Anaconda installer.