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Ewa Barczykowska

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Ewa Barczykowska
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Level Up Coding

Python List Comprehensions for Beginners

If you’re new to Python or want a quick revision of list comprehensions, this article is for you.

Aug 29

Python List Comprehensions for Beginners

Aug 29

Ewa Barczykowska
in
Level Up Coding

Solve and refactor this problem with me (Codewars 6kyu: Lottery Ticket)

Refactoring is rewriting the code without changing its functionality. In this exercise from Codewars…

Aug 9

Solve and refactor this problem with me (Codewars 6kyu: Lottery Ticket)

Aug 9

Ewa Barczykowska
in
Level Up Coding

Solve and refactor this problem with me (Count letters in string).

Refactoring is rewriting the code without changing its functionality. In this exercise from Codewars…

Jul 7

Solve and refactor this problem with me (Count letters in string).

Jul 7

Ewa Barczykowska
in
Level Up Coding

Solve and refactor this problem with me (Codewars cleanup).

Refactoring is rewriting the code without changing its functionality. In this exercise I will show you how I refactored my initial longer…

Jul 5

Solve and refactor this problem with me (Codewars cleanup).

Jul 5

Ewa Barczykowska
in
Level Up Coding

Exploring Ruby errors — exercise 1.

I don’t know about you but errors make me cringe. They make it evident that I am not in control of my code and I don’t like it. This is…

Jun 6

Exploring Ruby errors — exercise 1.

Jun 6

Ewa Barczykowska
in
Level Up Coding

Find Estonia SIM cards (by writing some code)

A meeting with a friend of mine resulted in me asking myself questions.

Jun 4

Find Estonia SIM cards (by writing some code)

Jun 4

Ewa Barczykowska
in
Level Up Coding

Solve and refactor this problem with me.

Refactoring is rewriting the code without changing its functionality. In this exercise I will show you how I refactored my initial lengthy…

Jun 3

Solve and refactor this problem with me.

Jun 3

Ewa Barczykowska
in
Level Up Coding

How to extract from a string substrings that start with a certain character.

This is a real story from today. I run weekly Ruby sessions at my company and a friend of mine needed some code to filter a string…

May 30

May 30

Ewa Barczykowska
in
Level Up Coding

How to find (with grep) that file on your mac

Sometimes I don’t remember the name of the file but just a word or a phrase that it contains. But I have many files that contain that word…

May 28

How to find (with grep) that file on your mac

May 28

Ewa Barczykowska
in
DevOps.dev

Debugging exercise — Codewars problem: Simple Simple Simple String Expansion

One way of debugging simpler problems is the look at the code line by line and use p to print variables and verify if those variables…

Apr 10

Debugging exercise — Codewars problem: Simple Simple Simple String Expansion

Apr 10

Ewa Barczykowska

Ewa Barczykowska

Hey, I'm Ewaa(Eh-vah). I do backend development in Python at a large telecom company. I am also a Ruby ninja in training.

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