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In computer programming, lazy initialization is the tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed.
In Python, functions are first-class objects that can be created and passed around dynamically. Python's limited support for anonymous functions is the lambda construct. An example is the anonymous function which squares its input, called with the argument of 5:
Examples of the use of this prefix in names of Python applications or libraries include Pygame, a binding of Simple DirectMedia Layer to Python (commonly used to create games); PyQt and PyGTK, which bind Qt and GTK to Python respectively; and PyPy, a Python implementation originally written in Python.
Sample Chapter: "Gotcha #67: Failure to Employ Resource Acquisition Is Initialization" by Stephen C. Dewhurst; Interview: "A Conversation with Bjarne Stroustrup" by Bill Venners; Article: "The Law of The Big Two" by Bjorn Karlsson and Matthew Wilson; Article: "Implementing the 'Resource Acquisition is Initialization' Idiom" by Danny Kalev
In Python 2.6 and 2.7 print() is available as a built-in but is masked by the print statement syntax, which can be disabled by entering from __future__ import print_function at the top of the file [38] Removal of the Python 2 input function, and the renaming of the raw_input function to input.
Cracker Barrel has apologized after its Waldorf, Maryland, restaurant refused to serve a group of students with special needs last week.. The Lebanon, Tennessee-based restaurant chain said that ...
Constructor functions are not inherited and their addresses cannot be referenced. When memory allocation is required, the new and delete operators are called implicitly. A copy constructor has a parameter of the same type passed as const reference, for example Vector(const Vector& rhs). If it is not provided explicitly, the compiler uses the ...
The U.S Capitol is seen after U.S, President-elect Donald Trump called on U.S. lawmakers to reject a stopgap bill to keep the government funded past Friday, raising the likelihood of a partial ...