-
Blog
10 common beginner mistakes in Python
An overview of some of the mistakes that are commonly made by the beginners in Python.
Memory optimization with Python slots
_slots__ were initially designed in order to optimize memory in Python, but soon people realized that this feature can do a lot of other cool things.
Context manager in Python
Behind the scenes of how the context managers and the "with" statement work in Python.
How did Python3 lose cmp in sorted?
In Python2 you could sort iterable not only by specifying a key, but also by specifying a function for cmp argument for sorted function.
Hashable data types and why do we need those
Reviewing some of the notes concerning hashes in Python.
How big is the Python Family
Various members of a big Python family. What kind of Python implementations are there?
TOP 5 Сlassiс Free Python Books
A short overview of the TOP 5 Classic Free Python learning books along with their authors.
Cryptography for dummies: encryption with the examples
Let’s try to figure out how cryptography actually works on specific examples.
New Interval Missions
Two new Interval Missions, two new missions with Editors' Choice Solutions and our research about hardest missions on CheckiO.
Collaboration is the key
Completely Empty, Cut Sentence, What can you do with solutions and StefanPochmann in one short blog-post
Results of the first week
Reverse Roman Numerals is no longer in random review mode, one more mission had been released last week and our top3 leaders you can find in this blog post about the first week of relax-July.
Relax and have some fun on July
This month we will release a lot of small and short missions, so you can check how creative can be CheckiO community with Python.
What can you do with solutions
Hi guys
We no longer support Python 2.7, and we have begun working on speed optimization. One of the biggest updates was released just recently, which allow pages related to user solutions to work much faster.
Since we mentioned solutions let’s go through all the related features.
Last Week Tonight
A new CheckiO mission based on HBO's show Last Week Tonight with John Oliver finally released.
Python 3 Only
All solutions have finally been migrated to Python 3. All SendGrid mission are in Normal Mode, so you can see solutions LeaderBoard.
New Unique CheckiO Island
Hey! A brand new Island has been released on CheckiO! It’s called SendGrid Island! There are several unique things with this island you’ll want to check out...
