Edit: Not a Android fanboy... I like to think of myself as practical, maybe I'm not. However, tablets are great for consumption. Consuming websites, epub's and pdf's works well on everything from the Kindle to the iPad pro. The main difference is the price. I would rather keep the difference in my bank account.
1) There is almost definitely an emacs equivalent for iOS
2) Pycharm- Maybe Textastic (https://itunes.apple.com/us/app/textastic-code-editor-for/id...) or Codemate (https://itunes.apple.com/us/app/codemate-syntax-highlighter/...). I'm not an IDE guy (I use Sublime Text), so YMMV.
3) OK so I get it, you're a Python dev. Admittedly, iOS is lacking in doing native app dev (in fact, I just posted something of that nature to this very thread).
4) Java, etc... I wonder if https://c9.io/ would work...
5) MS Office- Haven't used in years, anyway. I use Google Docs for all that.
6) Adobe stuff- Well, iPad Pro has some version of photoshop, I believe... PDF's are rendered natively in iOS (and quite nicely, actually... just like on OS X)... Illustrator?