Client vs Server
Client and Server is an architecture for communicating and splitting up tasks. The Client asks for something and the Provider (Server) offers what was asked.
Articles
How Servers and Hosting Services Work
Learn how servers and hosting services work, from DNS and ISPs to creating your own cloud VPS server and connecting to it securely over SSH.
Mapping and MutableMapping in Python
Learn how to build your own dictionary-like classes in Python with Mapping and MutableMapping: magic methods, lifecycle, repr, str and a full working example.
Specialize Your Own Collection in Python
Mapping, Sequence or Collection in Python: you choose the best one for the data structure you want to build. A simple explanation of everything you need.
Python Dictionary Views: keys, values, and items
In Python Views, if you change something in the underlying dictionary (a value or a key), the change is reflected inside the Views. Learn how they work.
Python repr vs str
Understand repr vs str in Python and learn how to use them in any custom class. Examples of using repr for debugging.
Hashables in Python
A hashable is any object that returns its "Hash Code" when asked, and that code stays the same for the whole life of the object. Learn how it works in Python.
Mutable and Immutable Types in Python
Learn whether a variable can change (mutable) or not (immutable). Mutable: List, Dict, Set. Immutable: String, Int, Float, Bool, Tuple, Range, Decimal.
Building Your Own Collection in Python
Learn how to build your own Collection in Python step by step: Container, Sized and Iterable explained, plus the difference between an Iterator and an Iterable.
Streaming Tricks: Generators, Buffers, and Caches
Learn how to build a data stream by balancing memory use and processing time: buffer data for a steady flow, generate data on demand, and cache results.
Binary: Combinations and Conversion
Learn how numeral system combination tables work and convert between binary, decimal, hexadecimal and octal with simple mental math.
Binary Number System
Learn what the binary number system is, how it relates to decimal, octal, hexadecimal and base 64, and how to read bases and number notations.