Mohan Narayanaswamy mohanmca

## The Technical Interview Cheat Sheet.md

      
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                tsiege
                / The Technical Interview Cheat Sheet.md
            
            
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                This is my technical interview cheat sheet. Feel free to fork it or do whatever you want with it. PLEASE let me know if there are any errors or if anything crucial is missing. I will add more links soon.
              
          
    ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!


\

  
## clk.tsv

          
            2014-03-04
            15dfb8e6cc4111e3a5bb600308919594
            11

            
              2014-03-06
              81da510acc4111e387f3600308919594
              61

## The Four Essential Eﬀects In Programming.md

      
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                ScottWeinstein
                / The	Four Essential Eﬀects In Programming.md
            
            
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              October 11, 2016 20:20
            
          
One
Many


Synchronous
T/Try[T]
Iterable[T]


Asynchronous
Future[T]
Observable[T]


Via Erik Meijer/Reactive Programming (video) and slides

  
## 01.repl.txt
$ ./bin/spark-shell
14/04/18 15:23:49 INFO spark.HttpServer: Starting HTTP Server
14/04/18 15:23:49 INFO server.Server: jetty-7.x.y-SNAPSHOT
14/04/18 15:23:49 INFO server.AbstractConnector: Started SocketConnector@0.0.0.0:49861
Welcome to
      ____              __
     / __/__  ___ _____/ /__
    _\ \/ _ \/ _ `/ __/  '_/
   /___/ .__/\_,_/_/ /_/\_\   version 0.9.1
      /_/

## destructuring.js
// === Arrays

var [a, b] = [1, 2];
console.log(a, b);
//=> 1 2


// Use from functions, only select from pattern
var foo = () => [1, 2, 3];

## gist:6376281

      
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                iambowen
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                Node js implementation
              
          
## install_scala_sbt.sh
#!/bin/sh

# one way (older scala version will be installed)
# sudo apt-get install scala

#2nd way
sudo apt-get remove scala-library scala
wget http://www.scala-lang.org/files/archive/scala-2.11.4.deb
sudo dpkg -i scala-2.11.4.deb
sudo apt-get update

## gist:5478174
#!/bin/sh
VERSION="0.20.6"

wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-$VERSION.tar.gz
tar -xf elasticsearch-$VERSION.tar.gz
mv elasticsearch-$VERSION elasticsearch
elasticsearch/bin/elasticsearch -f

## .block
license: gpl-3.0

## ReaderWriterStateT.scala
case class ReaderWriterStateT[R, W, S, F[_], A](
  run: (R, S) => F[(W, A, S)]
) {
  def map[B](f: A => B)(implicit F: Functor[F])
      : ReaderWriterStateT[R, W, S, F, B] =
    ReaderWriterStateT {
      case (r, s) => F.map(run(r, s)) {
        case (w, a, s) => (w, f(a), s)
      }
    }
	2014-03-04	15dfb8e6cc4111e3a5bb600308919594	11
	2014-03-06	81da510acc4111e387f3600308919594	61
	One	Many
Synchronous	T/Try[T]	Iterable[T]
Asynchronous	Future[T]	Observable[T]
	$ ./bin/spark-shell
	14/04/18 15:23:49 INFO spark.HttpServer: Starting HTTP Server
	14/04/18 15:23:49 INFO server.Server: jetty-7.x.y-SNAPSHOT
	14/04/18 15:23:49 INFO server.AbstractConnector: Started SocketConnector@0.0.0.0:49861
	Welcome to
	____ __
	/ __/__ ___ _____/ /__
	_\ \/ _ \/ _ `/ __/ '_/
	/___/ .__/\_,_/_/ /_/\_\ version 0.9.1
	/_/
	// === Arrays

	var [a, b] = [1, 2];
	console.log(a, b);
	//=> 1 2


	// Use from functions, only select from pattern
	var foo = () => [1, 2, 3];
	#!/bin/sh

	# one way (older scala version will be installed)
	# sudo apt-get install scala

	#2nd way
	sudo apt-get remove scala-library scala
	wget http://www.scala-lang.org/files/archive/scala-2.11.4.deb
	sudo dpkg -i scala-2.11.4.deb
	sudo apt-get update
	#!/bin/sh
	VERSION="0.20.6"

	wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-$VERSION.tar.gz
	tar -xf elasticsearch-$VERSION.tar.gz
	mv elasticsearch-$VERSION elasticsearch
	elasticsearch/bin/elasticsearch -f
	case class ReaderWriterStateT[R, W, S, F[_], A](
	run: (R, S) => F[(W, A, S)]
	) {
	def map[B](f: A => B)(implicit F: Functor[F])
	: ReaderWriterStateT[R, W, S, F, B] =
	ReaderWriterStateT {
	case (r, s) => F.map(run(r, s)) {
	case (w, a, s) => (w, f(a), s)
	}
	}