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  2. Apache PDFBox - Wikipedia

    en.wikipedia.org/wiki/Apache_PDFBox

    Apache PDFBox is an open source pure-Java library that can be used to create, render, print, split, merge, alter, verify and extract text and meta-data of PDF files.. Open Hub reports over 11,000 commits (since the start as an Apache project) by 18 contributors representing more than 140,000 lines of code.

  3. Bracket matching - Wikipedia

    en.wikipedia.org/wiki/Bracket_matching

    Bracket matching, also known as brace matching or parentheses matching, is a syntax highlighting feature of certain text editors and integrated development environments that highlights matching sets of brackets (square brackets, curly brackets, or parentheses) in languages such as Java, JavaScript, and C++ that use them. The purpose is to help ...

  4. PDF Split and Merge - Wikipedia

    en.wikipedia.org/wiki/PDF_Split_and_Merge

    Split PDF files in a number of ways: After every page, even pages or odd pages; After a given set of page numbers; Every n pages; By bookmark level; By size, where the generated files will roughly have the specified size; Rotate PDF files where multiple files can be rotated, either every page or a selected set of pages (i.e. Mb).

  5. Regular expression - Wikipedia

    en.wikipedia.org/wiki/Regular_expression

    Parentheses are used to define the scope and precedence of the operators (among other uses). For example, gray|grey and gr (a | e) y are equivalent patterns which both describe the set of "gray" or "grey". Quantification A quantifier after an element (such as a token, character, or group) specifies how many times the preceding element is ...

  6. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    JNLP – Java Network Launching Protocol, an XML file used by Java Web Start for starting Java applets over the Internet; LNK – binary-format file shortcut in Microsoft Windows 95 and later; APPREF-MS – File shortcut format used by ClickOnce; NAL – ZENworks Instant shortcut (opens a .EXE not on the C:\ drive)

  7. Bracket (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Bracket_(mathematics)

    In elementary algebra, parentheses ( ) are used to specify the order of operations. [1] Terms inside the bracket are evaluated first; hence 2×(3 + 4) is 14, 20 ÷ (5(1 + 1)) is 2 and (2×3) + 4 is 10. This notation is extended to cover more general algebra involving variables: for example (x + y) × (x − y). Square brackets are also often ...

  8. Information extraction - Wikipedia

    en.wikipedia.org/wiki/Information_extraction

    Apache OpenNLP is a Java machine learning toolkit for natural language processing; OpenCalais is an automated information extraction web service from Thomson Reuters (Free limited version) Machine Learning for Language Toolkit (Mallet) is a Java-based package for a variety of natural language processing tasks, including information extraction.

  9. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [23]