Python Review · Membership, Logic, Walrus, Identity, Comparison Operators
Jan 23, 2016
Membership Checks if an element is in a container; in, not in. Logic Connects multiple Boolean conditions and evaluate the overall outcome; and, or, not. Logic Extended Performs 'bulk' logical checks, simplifying...
Python Review · Conditions, Loops, Context Managers
Jan 16, 2016
Conditional Statements if-elif-else: logical branching. Truthy Falsy Values if obj:, while executing it, Python evaluates the following internal logic: bool(): Python first calls for this method; if it exists, its return value...
Python Review · Shallow and Deep Copy
Jan 9, 2016
Mutable and Immutable Types Data Copy Behavior Immutable Data cannot be modified after creation, modifications create new objects Shallow and deep copy all refer to the original object; no copy needed, modifications...
Python Review · Data Types and Behaviors
Jan 2, 2016
Data Types All data types in Python are objects and are passed by object reference. Variables are essentially labels for objects; "modifying" immutable types actually makes a label point to a new...
CAST, Spacecraft Docking System
Aug 19, 2015
Patent Summary: Title: A Small Spacecraft Docking System Authors: C. Wei, Z. Jin (9/9), et. al. Authorization Date: Aug. 19, 2015 Assignee: China Academy of Space Technology Authorization Number: CN 103625656 B...