Coding

Python variables do not store raw values directly but instead hold references to objects on the heap. This note builds a practical mental model for how references work, how they…

A decorator is just a callable that takes a function and returns a new one, often a wrapper, letting us extend behavior while keeping functions clean and following the…

Several examples are presented to clarify the definition and application of type annotations in Python.

Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.

Link Against the GSL Libraries When we compile code with GSL, we need to tell the linker to include the GSL libraries. For example, modify our compile command from 1g++ -o…

Lambda function Lambda functions in Python are small, anonymous functions defined with the lambda keyword rather than with the standard def statement. They allow you to write…

the c++ casting operators the four c++ casting operators are static_cast dynamic_cast reinterpret_cast const_cast use static_cast static_cast is a mechanism that can be used to…

move constructor and move assignment operator Take a look at the addition operator + as implemented in demolist12_4. Notice that it actually creates a copy and returns it. While…

binary operators operators that function on two operands are called binary operators. syntax : 1return_type operator_type (parameter1, parameter2); when it implement as a class…

on a board level, operators in c++ can be classified into two type: unary operators and binary operators. unary operators operators that function on a single operand are called…