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Programming Languages - Coggle Diagram

- - - - ExpressJS
        
        `Steps:
        
        call express
        
        create app using express
        
        use app attributes (use, get, post, listen)
        
        admin calls (bodyParser)
      - ReactJS
        
        index.js
        
        define routes
        
        Component Specific file
        
        import
        
        Arrow function (logic)
        
        export logic
      - MongoDB
      - NodeJS
  - - - (numbers) NaN / (string) undefined
    - - Operations
      - Operations with Decimals
    - - Escape in strings
        
        Quotes
        
        Backslash ( \ ) left to right
        
        Backslash ( \ ), newline(\n), carriage return(one line gap)(\r), tab(\t), word boundary(\b), form feed(works like tab)(\f)
      - Properties
        
        .length
        
        Bracket notation using index
        
        myVar[0]
    - - methods
        
        pop()
        
        at the end remove
        
        shift()
        
        remove from the first
        
        .push()
        
        at the end insert
        
        unshift()
        
        insert at the first
    - - Global scope and functions
        
        without var keyword variable defined even inside function becomes global
- - - - Systems Programming
      - Web Development
      - Cloud Computing
    - - runtime.go
      - sql.go
      - Crypto.go
      - http.go
- - - - main (go build)