Actually it depends on the your interests but there are some sites contain many sections and you can follow the section of your interest. Two major sites I usually follow are https://dzone.com and www.infoq.com For Specific technologies you should follow the official sites newsletter. Personally, I like the concept of weekly report so I subscribed into the following weekly report sites 1-python weekly : https://www.pythonweekly.com/ 2- NoSql weekly : https://www.nosqlweekly.com

Thanks Spsiddarthan, I will definitely accept your suggestions. I will pick my favorite java programming book for that purpose.

The file encoding is UTF-8 and usually I use vim for python development. The case you suspect (the editor adding something to the end of the file) is not the same here because the same file was working fine before without any change. That is why I said I have no explanation to this weird issue.

Finally I could solve the issue but the solution was weird and I have no idea what was the problem. Simply I run this command cat old_script.py > new_script.py then I submitted the job using the new script and everything worked fine. This is the second time I face this issue with python scripts. I have no explanation to it and I hope anyone could explain it.

Maybe I am facing this issue : https://github.com/dpkp/kafka-python/issues/521

pip install kafka-python

Unfortunately, I got the error in line 6 :(. Also as I mentioned, I can import Kafkaproducer normally in the python and pyspark shell.

If you have some experience in Python development you can take a look at Django Mezzanine . It comes with Blog support by default. I think if you just need a blog, you will not need to know Python at all. You will just need to customize the look and feel to what is suitable for you.

For absolute beginner in the programming I recommend How to think like a computer scientist book. There are two versions. The first is written in java and the other is written in python. If you have a previous experience in software development and computer programming in other languages and you want to switch or try python, there are too many good resources. You can not say one of these resources is the best among the others. Here is what's in my mind right now Dive into python Learn python the hard way A byte of python

I did not use gradle but when I face this situation with maven, I usually search for the latest version of the dependency on mvnrepository.com Hope that help