Buffer | Nodejs v1060 Documentation

Prior to the introduction of TypedArray, the JavaScript language had no mechanism for reading or manipulating streams of binary data.The Buffer class was introduced as part of the Node.js API to enable interaction with octet streams in TCP streams, file system operations, and other contexts.. With TypedArray now available, the Buffer class implements the Uint8Array API in a manner that is more

Special Method Names - Dive Into Python 3

The zipfile module uses this to define a class that can decrypt an encrypted zip file with a given password. The zip decryption algorithm requires you to store state during decryption. Defining the decryptor as a class allows you to maintain this state within a single instance of the decryptor class. The state is initialized in the __init__() method and updated as the file is decrypted.