Hi Emma, I'm curious about the purpose of the email. Mind elaborating?
Pozdrawiam, Jacek Laskowski ---- https://about.me/JacekLaskowski "The Internals Of" Online Books <https://books.japila.pl/> Follow me on https://twitter.com/jaceklaskowski <https://twitter.com/jaceklaskowski> On Wed, May 20, 2020 at 10:43 PM emma davis <emma.davi...@aol.com.invalid> wrote: > > *Book:* Machine Learning with Apache Spark Quick Start Guide > *publisher* : packt> > > > *F**ollow**ing* this Getting Started with Python in VS Code > https://code.visualstudio.com/docs/python/python-tutorial > > I realised Jillur Qudus has written and published a book without any > knowledge > of subject matter, amongst other things Python. > > > > *Highlighted proof with further details further down the email. * > > import findspark # these lines of code are unnecessary see link above for > setup > findspark.init() > > Setting SPARK_HOME or any other spark variables are unnecessary because > Spark like any > frameworks is self contained and has its own conf directory for startup > persistent > configuration settings. > Obviously the software would find its own current directory upon starting > i.e. sbin/start-master.sh > > Spark is a BIG DATA tool ( heavy distributed ,parallelism processing) so > clearly you would expect its hello world demo programs to demonstrate > that. > > what is the point of setting num_samples=100. something like 10**10 would > make sense to test performance. > > > > *This is my warning do not end up wasting your valuable time as I did . I > fee your time is valuable. * > *I realise the scam as I got a better understanding of the product by just > doing the correct hello world program from correct source. * > > “Research by CISQ found that, in 2018, poor quality software cost > organizations $2.8 trillion in the US alone. “ > > I attribute this to the Indian IT industry claiming they can do job better > than the natives [US , Europeans.] Implying Indian Education or IT people > is superior. For example People like me born, live and educated in the > western Europe > > *https://www.it-cisq.org/the-cost-of-poor-quality-software-in-the-us-a-2018-report/The-Cost-of-Poor-Quality-Software-in-the-US-2018-Report.pdf > <https://www.it-cisq.org/the-cost-of-poor-quality-software-in-the-us-a-2018-report/The-Cost-of-Poor-Quality-Software-in-the-US-2018-Report.pdf>* > > > *Contributors: About the Author* > “*Jillur Qudus* is a lead technical architect, polygot software engineer > and data scientist > with over 10 years of hand-on experience in architecting and engineering > distributed, > scalable , high performance .. to combat serious organised crime. Jillur > has extensive experience working with government, intelligence,law > enforcement and banking, and has worked across the world including > Japan,Singapore,Malysia,Hong Kong and New Zealand .. founder of keisan, a > UK-based company specializing in open source distributed technologies and > machine learning…“ > This obviously means a lot to many but when I look at his work Judge for > yourself based on evidence. > > *Page 54* > *<quote> ”* > Additional Python Packages > > conda install -c conda-forge findspark > > conda install -c conda-forge pykafka > ...”*<quote>* > > The remainder of the program was copied from spark website so that wasn’t > wrong. > *Page 63* > > *<quote> “* > > cd *etc*/profile.d > vi spark.sh > $ export SPARK_HOME=/opt/spark-2.3.2-bin-hadoop2.7 > > source spark.sh > > .. in order for the SPARK_HOME environment variable to be successfully > recognized and registered by findspark ... > …. > > We are now ready to write out first spark application in Python ! ….. > > # (1) import required Python dependencies > import findspark > findspark.init() > > (3) > …. > num_samples = 100 *“ **</quote>* > > > emma davis > emma.davi...@aol.com > >