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  2. List of Java bytecode instructions - Wikipedia

    en.wikipedia.org/wiki/List_of_Java_bytecode...

    8+: <0–3 bytes padding>, defaultbyte1, defaultbyte2, defaultbyte3, defaultbyte4, npairs1, npairs2, npairs3, npairs4, match-offset pairs... key → a target address is looked up from a table using a key and execution continues from the instruction at that address lor 81 1000 0001 value1, value2 → result bitwise OR of two longs lrem 71 0111 0001

  3. List of RFCs - Wikipedia

    en.wikipedia.org/wiki/List_of_RFCs

    A Reverse Address Resolution Protocol: June 1984: RARP: RFC 937 : POST OFFICE PROTOCOL - VERSION 2: February 1985: POP v 2: RFC 951 : BOOTSTRAP PROTOCOL (BOOTP) September 1985: BOOTP: RFC 959 : FILE TRANSFER PROTOCOL (FTP) October 1985: FTP: RFC 1034 : DOMAIN NAMES - CONCEPTS AND FACILITIES: November 1987: DNS: RFC 1035 : DOMAIN NAMES ...

  4. Bytecode - Wikipedia

    en.wikipedia.org/wiki/Bytecode

    Bytecode (also called portable code or p-code) is a form of instruction set designed for efficient execution by a software interpreter.Unlike human-readable [1] source code, bytecodes are compact numeric codes, constants, and references (normally numeric addresses) that encode the result of compiler parsing and performing semantic analysis of things like type, scope, and nesting depths of ...

  5. .arpa - Wikipedia

    en.wikipedia.org/wiki/.arpa

    Prominent among such functions are the subdomains in-addr.arpa and ip6.arpa, which provide namespaces for reverse DNS lookup of IPv4 and IPv6 addresses, respectively. The name originally was the acronym for the Advanced Research Projects Agency (ARPA), the funding organization in the United States that developed the ARPANET , the precursor of ...

  6. Reverse domain name notation - Wikipedia

    en.wikipedia.org/wiki/Reverse_domain_name_notation

    Reverse-DNS strings are based on registered domain names, with the order of the components reversed for grouping purposes. For example, if a company making the product "MyProduct" has the domain name example.com, they could use the reverse-DNS string com.example.MyProduct as an identifier for that product.

  7. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    SCSU byte order mark for text [31] [30] DD 73 66 73: Ýsfs: 0 UTF-EBCDIC byte order mark for text [31] [30] FE ED FA CE: þíúÎ: 0 0x1000 Mach-O binary (32-bit) FE ED FA CF: þíúÏ: 0 0x1000 Mach-O binary (64-bit) FE ED FE ED: þíþí: 0 JKS Javakey Store [32] CE FA ED FE: Îúíþ: 0 Mach-O binary (reverse byte ordering scheme, 32-bit ...

  8. Protocol Buffers - Wikipedia

    en.wikipedia.org/wiki/Protocol_Buffers

    A schema for a particular use of protocol buffers associates data types with field names, using integers to identify each field. (The protocol buffer data contains only the numbers, not the field names, providing some bandwidth/storage savings compared with systems that include the field names in the data.)

  9. Reverse DNS lookup - Wikipedia

    en.wikipedia.org/wiki/Reverse_DNS_lookup

    In computer networks, a reverse DNS lookup or reverse DNS resolution (rDNS) is the querying technique of the Domain Name System (DNS) to determine the domain name associated with an IP address – the reverse of the usual "forward" DNS lookup of an IP address from a domain name. [1] The process of reverse resolving of an IP address uses PTR ...