Released: Nov 1, 2021

Updates in October 2021

Funktionen

What’s new in Java

• Added new projects:
  • Graph-Algorithms Visualizer (Beta).
  • Inventory and POS System (Beta).
• Added new topics:
  • Spring Boot:
    • Custom User Store.
    • Spring actuator.
    • Introduction to Spring Data.
  • Debugging:
    • Advanced debugger features.
    • Debugging simple constructs.
  • Design patterns:
    • Memento.

What’s new in Python

• Added new project:
  • Algorithms with IMDB (Beta).
• Added new topics:
  • Django:
    • Deploying an app.
  • Code style:
    • The pprint module.
  • Algorithms under the hood:
    • Index() and in under the hood.
• The Honest Calculator project is no longer in testing and was publicly released in October.

What’s new in Kotlin

• Added new topics:
  • Concurrency and parallelism:
    • Thread management.
    • Exceptions in threads.
  • Additional libraries:
    • Image libraries.
  • Object-oriented programming:
    • Generic functions.

What’s new in Android

• Added new topics:
  • Networking:
    • Loading images with Picasso.
  • User Interface:
    • Bitmap.

What’s new in Frontend

• Added new topics:
  • HTML:
    • Iframe and frameset.
  • JavaScript:
    • Introduction to array.
    • Array sorting.
    • Array creation.
    • Array slicing.
    • What is npx.

What’s new in Go

• Added new topics:
  • Control flow:
    • Control statements.
  • Packages and modules:
    • Main (compiling and running).
  • Functions:
    • Calling functions.
  • Working with data:
    • Working with files in Go.

What’s new in Scala

• Added new topics:
  • Defining new collections.
  • Introduction to pattern matching.
  • Loops.
  • Modifying collections.
  • Strings.

What’s new in Data Science

• Added new topics:
  • Decision tree with sklearn.

What’s new in Math

• Added new project:
  • Matrices and Population Genetics (Alpha).
• Added new topics:
  • Special discrete distributions.
  • Diagonalization of matrices.

What’s new in Fundamentals

• Added new topics:
  • Databases and SQL:
    • Full-text search engines.
    • Views.
    • Window functions.
    • Comments in SQL.
    • Columnar databases.
    • Graph databases.
  • Dev tools:
    • Walking through directories in the command line.
    • Searching executables.
    • Introduction to text processing: wc, cut, tr.
  • Essentials:
    • Cross-site scripting.
    • Introduction to creational patterns.
    • Factory Method and Prototype.
    • Singleton.