Scala Tutorial 17 - Strings

In this video we will discuss about strings in Scala. Scala String can be defined as a sequence of characters. Java classes are available in Scala, hence Scala makes use of java strings(java.lang.String) without creating a separate string class.



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How to install MongoDB on Mac OS X

In this video we will see How to install MongoDB on Mac OS X. MongoDB is one of the most used, open-source document database, and NoSQL database. MongoDB is developed by 10gen.

$ cd ~/Download
$ tar xzf mongodb-osx-x86_64-2.2.3.tgz
$ sudo mv mongodb-osx-x86_64-2.2.3 /usr/local/mongodb

create MongoDB Data directory 
$ sudo mkdir -p /data/db
$ whoami
codebind
$ sudo chown codebind /data/db

Set mongodb/bin to $PATH
$ cd 
$ pwd
/Users/codebind
$ touch .bash_profile
$ open .bash_profile

export MONGO_PATH=/usr/local/mongodb
export PATH=$PATH:$MONGO_PATH/bin

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-------------------------Stuff I use to make videos -------------------
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Windows notebook – http://amzn.to/2zcXPyF
Apple MacBook Pro – http://amzn.to/2BTJBZ7
Desktop - http://amzn.to/2zct252
Microphone – http://amzn.to/2zcYbW1
notebook mouse – http://amzn.to/2BVs4Q3

How to install MongoDB on Mac OS X

In this video we will see How to install MongoDB on Mac OS X. MongoDB is one of the most used, open-source document database, and NoSQL database. MongoDB is developed by 10gen.

$ cd ~/Download
$ tar xzf mongodb-osx-x86_64-2.2.3.tgz
$ sudo mv mongodb-osx-x86_64-2.2.3 /usr/local/mongodb

create MongoDB Data directory 
$ sudo mkdir -p /data/db
$ whoami
codebind
$ sudo chown codebind /data/db

Set mongodb/bin to $PATH
$ cd 
$ pwd
/Users/codebind
$ touch .bash_profile
$ open .bash_profile

export MONGO_PATH=/usr/local/mongodb
export PATH=$PATH:$MONGO_PATH/bin

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My Website - http://www.codebind.com
My Blog - https://goo.gl/Nd2pFn
My Facebook Page - https://goo.gl/eLp2cQ
Google+ - https://goo.gl/lvC5FX
Twitter - https://twitter.com/ProgrammingKnow
Pinterest - https://goo.gl/kCInUp
Text Case Converter - https://goo.gl/pVpcwL
Epoch Timestamp Converter - https://goo.gl/Zedjo5
Decimal - Binary - Hexadecimal Converter - https://goo.gl/rkX3JE
8-bit Checksum Calculator - https://goo.gl/inxvIT
-------------------------Stuff I use to make videos -------------------
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Windows notebook – http://amzn.to/2zcXPyF
Apple MacBook Pro – http://amzn.to/2BTJBZ7
Desktop - http://amzn.to/2zct252
Microphone – http://amzn.to/2zcYbW1
notebook mouse – http://amzn.to/2BVs4Q3

How to Install Wireshark on Windows 10

How to Recover Deleted Files / Pictures From USB Flash Drive or SD Card

Download PhotoRec and TestDisk - http://www.cgsecurity.org/wiki/TestDi...

In This Video I am going to show How to Recover Deleted Files / Pictures From USB Flash Drive or SD Card. This method will also works for the file recovery from formatted USB drives or SD cards or hard disks. How to Recover Deleted, Corrupted, or Lost Pictures. 
This we will do with a software called PhotoRec. PhotoRec is a open source which will recover you file for no cost. This method will work for Permanently deleted files on USB flash drives, pen drives, memory cards and HDD/SSD.

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Pinterest - https://goo.gl/kCInUp
Text Case Converter - https://goo.gl/pVpcwL
Epoch Timestamp Converter - https://goo.gl/Zedjo5
Decimal - Binary - Hexadecimal Converter - https://goo.gl/rkX3JE
8-bit Checksum Calculator - https://goo.gl/inxvIT
-------------------------Stuff I use to make videos -------------------
Windows notebook – http://amzn.to/2ADOPrW
Apple MacBook Pro – http://amzn.to/2AC0WG2
Microphone – http://amzn.to/2AC1kV0
Screen Recording Software - http://send.onenetworkdirect.net/z/58...
notebook mouse – http://amzn.to/2BmeZ2d

How to setup Scala on Intellij IDEA IDE + First SBT/Scala project

In this video we will learn How to setup Scala on Intellij IDEA IDE. In addition I am going to show how to create our First SBT/Scala project.



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Decimal - Binary - Hexadecimal Converter - https://goo.gl/rkX3JE

8-bit Checksum Calculator - https://goo.gl/inxvIT

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Windows notebook – http://amzn.to/2ADOPrW

Apple MacBook Pro – http://amzn.to/2AC0WG2

Microphone – http://amzn.to/2AC1kV0

notebook mouse – http://amzn.to/2BmeZ2d

scp command - SCP to Securely Transfer Files/Folders in Linux

Some time you may wonder In Unix, how do I securely transfer files between two Linux computers? So generally we use scp command to   Securely Transfer Files/Folders in Linux (e.g. Ubuntu, Cent OS, Fedora, Linux mint ..). scp stands for "secure copy."



scp syntax



scp [-12346BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]

    [-l limit] [-o ssh_option] [-P port] [-S program]

    [[user@]host1:]file1 ... [[user@]host2:]file2



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Scala Tutorial 10 - Match expressions

Find more such tutorials on -  http://www.codebind.com

In Scala match expressions are used to select between a list of alternatives same as multiple if-statements or select statement, if you are familiar with java.



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Scala Tutorial 9 - Scala For Loop

Find code here : http://www.codebind.com/scala/scala-while-and-do-while-loops/

So what is a loop ?

loops allow us to execute a statement or a block of statements multiple times. Like conditional statements, they are controlled by boolean expressions.



The for comprehension



Scala’s for is much more powerful than Java’s for

Consequently, it is used much more often than the other kinds of loops

Prints the numbers 1 through 10

Prints the numbers 1 through 9

Prints all the values in myArray

Prints all the values in myArray

Prints all the even numbers in myArray

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Scala Tutorial 6 - Scala String Interpolation

In Scala it’s common to inject variables in strings like this with the different types of string interpolation:



Scala supports basically three kinds of String Interpolation:

s String Interpolator -  Prepending s to any string literal allows the usage of variables directly in the string



f String Interpolator - Prepending f to any string literal allows the creation of simple formatted strings. It is  similar to C languages style printf . When using the f interpolator, all variable references should be followed by a printf style format string, like %d, %s, %f etc.



raw String Interpolator - The raw interpolator is similar to the s interpolator except that it performs “No escaping of literals within the string”



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