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Line continuation – escapes a newline to continue a statement on the next line Some languages define a special character as a terminator while some, called line-oriented , rely on the newline . Typically, a line-oriented language includes a line continuation feature whereas other languages have no need for line continuation since newline is ...
Python has two directives – from __future__ import feature (defined in PEP 236 -- Back to the __future__), which changes language features (and uses the existing module import syntax, as in Perl), and the coding directive (in a comment) to specify the encoding of a source code file (defined in PEP 263 -- Defining Python Source Code Encodings).
Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})
The format string used in strftime traces back to at least PWB/UNIX 1.0, released in 1977. Its date system command includes various formatting options. [2] [3] In 1989, the ANSI C standard is released including strftime and other date and time functions. [4]
The preprocessor provides some macro definitions automatically. The C standard specifies that __FILE__ expands to the name of the file being processed and __LINE__ expands to the number of the line that contains the directive. The following macro, DEBUGPRINT, formats and prints a message with the file name and line number.
An optimizing compiler is a compiler designed to generate code that is optimized in aspects such as minimizing program execution time, memory usage, storage size, and power consumption. [1] Optimization is generally implemented as a sequence of optimizing transformations , a.k.a. compiler optimizations – algorithms that transform code to ...
It is also called sharp-exclamation, sha-bang, [1] [2] hashbang, [3] [4] pound-bang, [5] [6] or hash-pling. [7] When a text file with a shebang is used as if it were an executable in a Unix-like operating system, the program loader mechanism parses the rest of the file's initial line as an interpreter directive.
Adolf Hitler's directives, or Führer directives (Führerbefehle), were instructions and strategic plans issued by Adolf Hitler himself over the course of World War II.The directives covered a wide range of subjects, from detailed direction of the Armed Forces' operations during World War II, to the governance of occupied territories and their populations.