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  2. Rainbow table - Wikipedia

    en.wikipedia.org/wiki/Rainbow_table

    To learn a password from a hash is to find a string which, when input into the hash function, creates that same hash. This is the same as inverting the hash function. Though brute-force attacks (e.g. dictionary attacks ) may be used to try to invert a hash function, they can become infeasible when the set of possible passwords is large enough.

  3. MySQL - Wikipedia

    en.wikipedia.org/wiki/MySQL

    MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.

  4. List of datasets in computer vision and image processing

    en.wikipedia.org/wiki/List_of_datasets_in...

    Semeion Handwritten Digit Dataset Handwritten digits from 80 people. All handwritten digits have been normalized for size and mapped to the same grid. 1593 Images, text Handwriting recognition, classification 2008 [154] T. Srl HASYv2 Handwritten mathematical symbols All symbols are centered and of size 32px x 32px. 168233 Images, text ...

  5. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    OpenERP 5.0 XML-RPC protocol [326] 8070: Unofficial: OpenERP 5.0 NET-RPC protocol [326] 8074: Yes: Gadu-Gadu: 8075: Unofficial: Killing Floor web administration interface [citation needed] 8080 Yes: Alternative port for HTTP. See also ports 80 and 8008. Unofficial: Apache Tomcat [327] Unofficial: Atlassian JIRA applications [328] 8081: Yes: Sun ...

  6. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    A proper prime is a prime p which ends in the digit 1 in base 10 and whose reciprocal in base 10 has a repetend with length p − 1. In such primes, each digit 0, 1,..., 9 appears in the repeating sequence the same number of times as does each other digit (namely, ⁠ p − 1 / 10 ⁠ times). They are: [10]: 166

  7. Guard digit - Wikipedia

    en.wikipedia.org/wiki/Guard_digit

    Shifting the second operand into position, as , gives it a fourth digit after the binary point. This creates the need to add an extra digit to the first operand—a guard digit—putting the subtraction into the form 2 1 × 0.1000 2 − 2 1 × 0.0111 2 {\displaystyle 2^{1}\times 0.1000_{2}-2^{1}\times 0.0111_{2}} .

  8. MariaDB - Wikipedia

    en.wikipedia.org/wiki/MariaDB

    Thus, MariaDB 5.5 offers all of the MySQL 5.5 features. There exists a gap in MySQL versions between 5.1 and 5.5, while MariaDB issued 5.2 and 5.3 point releases. Since specific new features have been developed in MariaDB, the developers decided that a major version number change was necessary.

  9. FileMaker - Wikipedia

    en.wikipedia.org/wiki/Filemaker

    Versions from FileMaker Pro 5.5 onwards also have an ODBC interface. FileMaker 12 introduced a new function, ExecuteSQL, which allows the user to perform an SQL query against the FileMaker database to retrieve data, but does not allow data modification or deletion, or schema changes. [13]