One major change in Python 3 is the implementation of the division operator /. In Python 2 the division yielded a floor rounded integer when dividing two integers but a float when using a float as divider or divisor. Due to Python’s weakly typed nature this behavior could lead to some issues. So PEP-238 changed…
Flask is a micro web framework which is really fun to use. With the following snippet You have a complete web app working within seconds. from flask import Flask # 1 app = Flask(__name__) # 2 @app.route(‘/’) # 3 def hello_world(): return ‘Hello World!’ if __name__ == ‘__main__’: app.run() #4 All this snippet does is…
Enough about books for a while. Let’s do some coding finger exercise. When I migrated from my Windows XP machine to my MacBook I made a backup of my old ICQ chats. Because I wanted to read what my wife and I chatted about ten years ago I tried to convert the old logs into…
Christmas is over, so we get rid of the Christmas Tree. Today I want to show You another Code Kata: Roman Numerals. The task seems to be quite easy. Write a program which converts a decimal number into a string which contains the equivalent as a roman literal. E.g. convert 1984 into MCMLXXXIV. The requirements…
Inspired by a blog post of Dave Thomas I started to implement my technology learning roadmap by writing little code katas. To kill two birds with one stone I first solve a programming puzzle with my lingua franca Python. That helped me to concentrate on solving the algorithmic part of the puzzle because I don’t…