iOS Knowledge (Swift)

This repo contains a collection of Swift knowledge

1. Dictionary
         dictionaries under the hood
         hash tables, hash functions
               linear probing and open addressing in creating hash tables

2. DispatchFramework
         CPU's then and now
         synchronous and asynchronnous tasks
         main, serial, concurrent, global, and custom queues
         quality of services class
               priority inversions
         networking using URLSession
               URLSession configurations
               URLSessionTask: URLSessionDataTask
         threads
         semaphores
         operations

3. Initializers
         stored properties
         ways to create initializers: cutomizing initializers, initializer parameters without argument labels, and default initializers
         convenience inits and designated inits

4. MemoryManagement
         automatic reference counting
               strong, weak, and unknowned values
         memory leak, debugging them, how they are bad
         retain cycles
         heaps and stacks with storing value and ref types

5. Ref-ValTypes
         reference types
         value types
         data structures that fall into each category
         mutability in reference and value types

6. AppArchitecture
         Model Layers
         View Layers
         Loops of an application
         A view state
         Creating extensions, child objects, extracting object to reduce code in a view controller
         RxSwift and RxCocoa       Networking

7. Intro
         Swift style guide
         Value and reference types
         Identity
         Functions

8. CollectionProtocols
         Sequence protocol
             Subsequence
         Iterator protocol
            Value semantics/Reference semantics
         Collection protocol
         ExpressibleByArrayLiteral protocol

9. Optionals
         Optional enum
         Unwrapping optionals

10. Passing Data
          Delegation pattern
          Notification center
          KVO
          Closures
          Instantiation / prepareForSegue

11. CoreBluetooth
          BLE devices
          Centrals
          Peripherals
             Services
             Characteristics

12. Swift Keywords
          Import declarations
          Constant, variable declarations
          Stored variables, stored variable observers
          Computed variables
          Stored type properties
          Computed type properties
          Instance properties
          Type Properties
          Type alias declaration