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  2. Visitor pattern - Wikipedia

    en.wikipedia.org/wiki/Visitor_pattern

    The entities are ordered into layers, and at the top of the type hierarchy is the drawing, which is simply a list of layers, plus some added properties. A fundamental operation on this type hierarchy is saving a drawing to the system's native file format. At first glance, it may seem acceptable to add local save methods to all types in the ...

  3. Uncontrolled format string - Wikipedia

    en.wikipedia.org/wiki/Uncontrolled_format_string

    Most of these are only useful for detecting bad format strings that are known at compile-time. If the format string may come from the user or from a source external to the application, the application must validate the format string before using it. Care must also be taken if the application generates or selects format strings on the fly.

  4. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    For example, in Python, to print the string Hello, World! followed by a newline, one only needs to write print ("Hello, World!" In contrast, the equivalent code in C++ [ 7 ] requires the import of the input/output (I/O) software library , the manual declaration of an entry point , and the explicit instruction that the output string should be ...

  5. File:Example.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Example.jpg

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Special pages

  6. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    Python borrows this feature from its predecessor ABC: instead of punctuation or keywords, it uses indentation to indicate the run of a block. In so-called "free-format" languages—that use the block structure derived from ALGOL—blocks of code are set off with braces ({ }) or keywords.

  7. Java Platform Module System - Wikipedia

    en.wikipedia.org/wiki/Java_Platform_Module_System

    The Java Module System does not intend to support all the functionalities that the OSGi platform currently supports (for example the Life-Cycle model and the Services Registry). However the Java Module System will support functions which are not supported by OSGi, such as modularity at compile-time, and built-in support for native libraries. [15]

  8. .properties - Wikipedia

    en.wikipedia.org/wiki/.properties

    java.util.Properties - explains Java properties in a simple XML format. MultiProperties - It is an Eclipse plugin for editing multiple key-value based files with similar content. This kind of file format can be Properties for example in Java programming language, which is frequently used for backing a ResourceBundle.

  9. printf - Wikipedia

    en.wikipedia.org/wiki/Printf

    As the format string is processed left-to-right, a subsequent value is used for each format specifier found. A format specifier starts with a % character and has one or more following characters that specify how to serialize a value. The format string syntax and semantics is the same for all of the functions in the printf-like family.