Documenting notes

TOC

• Documenting notes
  • TOC
  • Tools
  • Unix
  • Databases
  • Software architecture and design
  • Programming
  • Web
  • Networking
  • Security
  • Python
  • .NET
  • C#
  • Computer science

Tools

• Ansible
• Docker
  • Dockerfile
  • Docker Compose
• Git
• Grafana
• Jenkins
• Kubernetes
  • cert-manager
  • Flux
  • Helm
  • Istio
  • k3s
  • Kiali
  • kubectl
• MC
• Prometheus
• RabbitMQ
• Redis
• Regular expressions
• Testing
  • k6
  • Unit testing best practices
  • xUnit

Unix

• Environment variables
• macOS
• Ubuntu
• Nginx
• Shell
  • Shell scripting
• Tools
  • crontab
  • gpg
  • ssh
  • tmux
  • vim
• User management

Databases

• ACID
• Isolation levels
• PostgreSQL
• PL/SQL
• T-SQL
• EF Core tools

Software architecture and design

• Architectural patterns
  • CQRS
• Design patterns
  • Creational
    • Abstract Factory
    • Builder
    • Dependency injection
    • Factory Method
    • Prototype
    • Singleton
  • Structural
    • Adapter
    • Bridge
    • Composite
    • Decorator
    • Facade
    • Flyweight
    • Proxy
  • Behavioral
    • Chain of Responsibility
    • Command
    • Interpreter
    • Iterator
    • Mediator
    • Memento
    • Observer
    • State
    • Strategy
    • Template Method
    • Visitor
• Design principles
  • Composition over inheritance
  • DRY, KISS, separation of concerns, YAGNI
  • Explicit Dependencies Principle
  • SOLID
    • Single Responsibility Principle
    • Open-Closed Principle
    • Liskov Substitution Principle
    • Interface Segregation Principle
    • Dependency Inversion Principle

Programming

• Aggregation and composition
• Arguments vs parameters
• Idempotence
• Inversion of control (IoC)
• Scrum

Web

• GraphQL
• gRPC
• OAuth
• OpenID Connect

Networking

• Ports
• Sockets
• TCP
• Wireshark

Security

• Asymmetric cryptography
• Advanced Encryption Standard (AES)
• Generating self-signed certificate
• TLS handshake
• Web
  • ↑ Cross-site request forgery (XSRF or CSRF)
  • ↑ Cross-site scripting XSS

Python

• Python
  • Syntax

.NET

• .NET CLI
• Dependency injection in .NET
• Secret Manager tool
• PowerShell
  • PowerShell scripting

C#

• Attributes
  • Nullable static analysis attributes
• Concurrency
  • Asynchronous programming
    • Asynchronous patterns
    • Async/await best practices
    • Async lambdas
    • Awaiting multiple tasks
    • Exceptions handling with async and await
    • Execution context
    • Reporting task's progress
    • Returning variable of Task type
    • ValueTask<T>
  • Asynchronous streams
    • IAsyncEnumerable<T> interface
  • Parallel programming
  • Dataflow programming
  • Reactive programming
  • Cancellation
  • Collections
    • Thread-safe collections
      • BlockingCollection<T>, ConcurrentBag<T>, ConcurrentDictionary<TKey,TValue>, ConcurrentQueue<T>, ConcurrentStack<T>
    • When to use a thread-safe collection
  • Synchronization
  • Synchronization primitives
    • Interlocked
    • Monitor
    • Mutex
    • ReaderWriterLockSlim
    • Semaphore and SemaphoreSlim
    • SpinLock and SpinWait
    • Thread interaction or signaling
      • Barrier
      • CountdownEvent
      • EventWaitHandle, AutoResetEvent, ManualResetEvent, ManualResetEventSlim
  • Threads and threading
  • Exercises
    • Downloading web pages
• Covariance and contravariance
• Extension methods
• IEnumerable<T>
• Indexers
• Keywords
  • Modifiers
    • event
  • Contextual keywords
    • yield
  • ref, out, in (parameter modifiers)
• Selected classes
  • HttpClient
  • Stopwatch
• Memory
  • Garbage collector
  • GC
• Operators and expressions
  • Equality operator
  • Lambda expressions
• Types
  • Value types
    • Boxing and unboxing
    • Enumeration types
    • Structure types
    • Tuple types
    • ValueType class
  • Reference types
    • Built-in reference types
      • delegate
      • object
        • Constructors
        • Why override GetHashCode when Equals is overriden
      • record
      • string
    • Nullable reference types

Computer science

• Sorting algorithms