PySpark Part 1 : How to create a spark session ?
Spark session is the entry point to programming Spark. An entry point is where control is transferred from the operating system to the
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PySpark Part 2 : What is Spark DataFrame and RDD?
DataFrame – A BUZZ Word !! People tend to use it with popular languages used for Data Analysis like Python, Scala and R.
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PySpark Part 2.1 : How to create a spark dataframe from JSON?
Step 1: Create a Spark Session Step 2: Define a JSON Step 3: Create a Spark DataFrame Read Part 3 :- Ways to
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PySpark Part 3 : 3 Ways to Select Columns in Spark DataFrame
Selecting one or set of columns in a spark dataframe is an art of writing good code. There are many ways to do
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PySpark Part 4 : How to delete columns in pyspark dataframe
It often becomes tricky for beginners to delete a column or list of columns present in a pyspark dataframe. Below are the ways
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PySpark Part 5 : Multiple conditions using when clause
Applying multiple condition in PySpark is easy then any other languages. There is a way to use multiple if, elif, else condition but
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PySpark Part 6 : How to do PySpark DataFrame column name upper and lower?
PySpark DataFrame columns can be converted to “UPPER” using below steps I have a dataframe in pyspark with two columns i.e. ab and xy.
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Life cycle of AWS Lambda
AWS introduced lambda in November 2014 as a step towards server-less computing. We can deploy our application code on lambda without thinking about
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EMR Notebook
EMR notebook is a managed environment, based on Jupyter Notebooks that allows data scientists, analysts, and developers to prepare and visualize data, collaborate
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Terminate vs Stopping an EC2
Amazon supports the ability to terminate or stop a running EC2 instance. The ability to stop a running instance is only supported by
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Things you should IGNORE about AWS LightSail
AWS LightSail is a subset of Amazon web services EC2 that offers bundles of cloud compute power and memory for new or less
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Provisioned Concurrency of AWS Lambda
Lambda was introduced in November 2014 as an initiative toward server less computing. But it is true that time flies and developers are
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What is Big Data? What are the characteristics and problems of Big Data?
Big Data is often related with Hadoop but you cannot compare Big Data and Hadoop as they are complimentary to each other. Understand
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What is Hadoop? How is it related with Big Data?
When I wrote about Big Data I mentioned that Big data is a problem and Hadoop is a solution for it. Let me
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How to remove/hide featured image from single post ?
When a blogger writes a post and add a featured image for the thumbnail, the featured image also shows in the post which
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Walkify – Earn Money By Walking
What is Walkify and How it Works Walking for 20-30 minutes in a day is a great way to improve your overall health.
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Walk and Earn Money – Play Station 4, IPhone, T-Shirts
Walk and Earn, Simple? Yes it is. StepSetGo app is a new sensation on Play-store. Prizes You Can Win By Daily Walking :-
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Error Codes in programming language – 404 200 500
Error..Error and Error. This is all about programmers. But we have a companion to get rid of this. Yes, we are talking about
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Numpy in Python – Examples of Multiplication, Array Creation
A human without brain can’t do anything, similarly python without packages are of no use. But fortunately,we have got a number of packages,
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Turtle Graphics in Python
Can you imagine to draw pictures using programming? Are you a good artist? Are you a good programmer? Then try to be both
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BlockChain
A blockchain is a growing list of records, called blocks, which are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and
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Dream11 – Earn Money in 3 Steps
Dream11 – Earn money with your cricketing knowledge. Use new joiner cash bonus of Rs. 500 and earn 1 Crore. Total of 11
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Blue Brain Technology
How a brain would be in blue in color? Then what is actually blue brain technology. Grab a cup of coffee and read
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How to use Smart Compose in Gmail?
Gmail Smart Compose – Does your day start and end with sending and receiving mails? Use of Smart Compose Auto Complete. Faster typing.
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Build a Chat Bot using Python
Do you think that you get bored when no one is there to interact with you or guide you. We cannot create a
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What is rainbow technology?
Rainbow – Rain+Sunlight, Right? Here, rain drops are large amount of data and sunlight is color and color combinations(VIBGYOR). Grab a cup of
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Agile and SCRUM
Confused? Are there any differences exist between Agile and SCRUM? What is Agile? What is SCRUM? Wait… Hope this is cleared from above
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What is Microservice? Art of writing Microservice
Microservice are everywhere, or at least so it seems because of such hype. My aim here is to try to cut through some
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Botnet of Things
With Internet of things come Botnet of things. It is the freebies that Internet of Thing provides. Everyone might have heard about Internet
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How to reduce apk size in android | Illustrative steps
Reducing the substantial size of android applications helps you to build your downloads. Did you abstain from downloading huge applications? What is apk? Android application package file (APK)
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As a software engineer, what’s the best skill set to have for the next 5-10 years?
If you think there is only one best skill you need to have as a software engineer for the next 5–10 years and
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Is Java Pure Object Oriented Programming Language?
Its’s been a long time when I wrote my last post. So I welcome myself with a word “pure object oriented”. Starting with
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APK file-Find a source code from apk file in android?
A number of you are interested about how to backtrack code of android application introduced in your advanced mobile phone or some of
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Why emulator speed in android is slow?-Install GenyMotion
Default Android emulator is prominently slow. Invent of Genymotion come as a dream in android developer’s life as far as the emulator is concerned
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What is Petya ? Is it Really a Ramsomware or it is a Wiper?
What is this fuss all around about Petya? Is it like WannaCry or worse than that? Computer viruses often spread farther than their
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Google Analytics shows wrong world map? or is it a smart move?
Google Analytics tracks and reports website traffic.But have you ever seen world map that is shown by google analytics? Google plays a safe
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What is Amazon Alexa?
Are you very busy that you don’t have time to book a cab or to order food or to schedule your daily tasks
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How to download paid android app for free ?
Downloading paid Android apps always hurt and especially when you got to know that your friend had done it for free.Follow below steps
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How to become an Amazon Alexa Developer?
In the last post,Alexa would have amazed your mind and now do you wonder if you would be able to develop skills for alexa?
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LOCO Quiz Game – Earn Money in Paytm
A new sensation has hit the android play-store with the name Loco Live Trivia & Quiz Game Show. You can earn up-to 100000 Rupee
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