[iOS] Swift Basic
Code Structure
ViewController:
IBOutlet: control + click on element in storyboard and drop the mouse into viewController file, click connect
IBAction
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[CS15-213] Bits, Bytes, and Integers
Boolean Algebra
A&B = 1 when A=1 and B=1
A|B = 1 when either A=1 or B=1
~A=1 when A=0
A^B=1 when either A=1 or B=1, but not both
Example: Represe
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[Android] Views
12345678910111213141516171819202122232425262728293031// MainActivity.javapublic class MainActivity extends AppCompatActivity { private Button
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[CS15-213] Overview
IntroGreat Reality 1: Integers are not integers, Floats are not RealsExample 1: Is x^2 >= 0?
Float: yes
Ints: 50000 * 50000 < 0
Example 2: Is
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[OS 3 Easy Pieces] The Abstraction: The Process
ProcessProcess: The abstraction provided by the OS of a running program
The OS provides an illusion of unlimited CPUs by virtualization
Time Sharing i
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[OS 3 Easy Pieces] Introduction
How does a program run?
Von Neumann model of computing: It fetches instructions from the memory, decode it, and then execute it, and move on to the n
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[Web Scalability] Web Services
Designing Web Services
Monolithic architecture
API-First Approach
API-First Approach
API-first: designing and building API contract first and then bu
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[Web Scalability] Front-End Layer
Managing StateStateful server: server A holds data that other servers cannot accesStateless server: servers share the same storage system
Managing HTT
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[React Native] Environment
What is react native
A collection of “special” React components
Components compiled to Native Widgets
Native Platform APIs exposed to Javascript
Conne
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[Operating System] Overview
Video: https://www.youtube.com/watch?v=hry_qqXLej8&list=PLRdybCcWDFzCag9A0h1m9QYaujD0xefgM&index=2&t=16s
What’s in a Search Query?
Client
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