Photo Grid Codepen challenge
Recently I’ve got an email with invitation for weekly codepen challenge. This time I’ve decided to give it a try as it seems like nice thing…
Read more →Implementing stripe card for fun & profit
Today I want to write about a little side project that I did recently: what I learned from it, what went good and what went bad. Let’s go…
Read more →What I don’t know about CSS & HTML
I’ve decided to write this blog post for myself so I can have a clear picture of my progress. I am planning to update this post regularly…
Read more →Career change - developer + designer
In this blog post, I will write a little bit more about my career plans. It won’t be a tutorial or technical blog post per se. Recently I…
Read more →Using Xstate with inputs in React
In this blog post, I want to present how you can use XState to make styling inputs in React which are easier to maintain. You can find the…
Read more →TIL - IE11 text overflow in flex container
Imagine that you have flex container. It have of . Inside this container there is a wall of text. In all browsers except ie11 everything…
Read more →Explain TypeScript to me
Hello 👋🏻 Today I going to describe my new side project - ExplainTypeScript. Why “Explain TypeScript to me” - I heard that sentence many…
Read more →Side project with svelte
I recently found out article on HN about this new cool kid in the JavaScript world - Svelte. As I was reading through the blog post I…
Read more →Safari scrolling error
If you are developing applications for modern web you ultimately run into problems between different browsers. Some of them are fairly easy…
Read more →TypeScript abstract classes
Hello, Today I want to give you a blog post about abstract classes in TypeScript. What are they? Why you may need one? Or why you may not…
Read more →My first interviews for software developer
Hello 👋🏻 In a today blog post, I will write about my first interviews for software developer roles without having a CS degree. Background…
Read more →TypeScript function overloads
NOTE: This is cross-post from my newsletter. I publish each email after it’s sent. Subscribe to get more content like this earlier right in…
Read more →Side project - CSS on blog
NOTE: This is cross-post from my newsletter. I publish each email after it’s sent. Subscribe to get more content like this earlier right in…
Read more →Hiding elements with opacity
Problem Recently I had a task that requires me to show an icon when a user hovers over a certain element and hide it after the user leaves…
Read more →Multiple stow directories
Hi again 👋 Today I want to write about the problem that I recently had that I solved after a few hours of searching google. It may help…
Read more →Open sourcing tsconfig
Hi again 🖖 Today I want to write about the thing that we did in my work. I currently work at Ingrid. All of your codebases is written in…
Read more →I build a thing - writer mode for VSCode
Why So I build the thing called writer mode - why? I really like using VSCode for both my coding and writing in markdown. There is zen mode…
Read more →TypeScript classes, interfaces and all between
Hello 👋 What is a better way of explaining classes & interfaces than showing them in action? One of the clever use of classes I saw is this…
Read more →On React Render props vs HOC
Recently one of my colleague at work stumbled upon strange case when using one of the popular react pattern called hoc (high order component…
Read more →Setting up simple React & TypeScript project
Hello 👋🏻 It’s have been a long time since I last wrote my last blog post. But don’t worry I back and in the first blog post I give you a…
Read more →How to find blog ideas
Recently I was a little bit stuck. I did not have any idea about next blog post. I started researching why it happened and it turned out…
Read more →Dependency injection in redux-observable
Imagine that you have following situation: your calls to external api are using helper modules where all request logic lies. For instance…
Read more →switchMap in redux-observable
Introduction Recently in my new work, I was working more and more with RxJs. Especially in with redux bindings to RxJs called redux…
Read more →How to update progress of long request with redux-observable
Problem I want to send a couple of requests an update a progress after each one is successful. In the end, I want to dispatch success action…
Read more →How to dispatch multiple actions based on api call in redux-observable
Problem In my work a have a task - when one of the actions in redux-observable is completed I wanted to dispatch another set of actions. In…
Read more →Lessons learned from coding TM Conference website
Recently I was less active on my blog mainly because I had a lot of side projects that I was doing. Today I want to share with you lessons…
Read more →Lessons learned from writing pet project in React with Redux
Today I wanted to write about lessons that I’ve learned during working on my pet project. Let’s get started! When I decided to learn React…
Read more →How design of your API can affect others
Recently I was working with a library called redux-observable. After using it to write my new epic I opened my devtools to see following…
Read more →You don't know promises
Recently I receive book recommendation. There was one chapter in this book series about Promises that I cannot handle. Examples written…
Read more →Debouncing forms in React with Redux - part three
Hi! Welcome to the last part of blog series about debouncing forms in React. Today I want to show you how can you add redux to your…
Read more →Debouncing forms in React with Redux - part two
Hello! Today I continue with building debounce input in React!. Let’s get started. What is debounce As you saw in a previous blog post my…
Read more →Debouncing forms in React with Redux - part one
Hi! Today I want to start a new blog post series. This one will be all about debouncing react forms. Let’s get started! Basic react form…
Read more →Python Belgrade
In this blog post, I want to write about my experience with taking at Python Belgrade. Introduction You may ask - why you even write about…
Read more →Legacy projects
Hi! This blog post is mainly for me to remind myself that I can sometimes work with legacy projects. Beginning Recently in my work, I…
Read more →Mutations in Relay Modern
In this series, I covered various topics starting from setting up Django and ending in Relay queries. There is only one topic to be covered…
Read more →Summary of 2017
Hello! In this blog post, I will write a little bit more what I was able to do in passing 2017. Let’s get started! What I did In this year I…
Read more →100 days of code
Today I want to write to you about some very interesting idea - coding challenge! Recently while browsing a twitter I found a hashtag. Then…
Read more →Fragments and queries in Relay Modern
Today I want to cover two points: how to use fragments in relay modern and one of the ways of handling routing and relay. Let’s get started…
Read more →Setting up Relay Modern on frontend
Hello, for such long break I’m back to the Django, React & Relay tutorial! Today I will show you how to setup Relay on the frontend to work…
Read more →Javascript Conference Budapest 2017
Day 1 Until the break, there were four speeches. First about community, open source and licenses. What I got from it is that: use Apache…
Read more →On moving blog to Gatsby.js
Sometimes it is time to change and I decided to move from Pelican to Gatsby.js. Why I got a problem with Pelican. If I wanted to add custom…
Read more →Debugging python code with wdb
While I was on PyConPL conference last year I heard about interesting debugger called wdb. Since then I don’t have much chance to find out…
Read more →Python imports validation
Recently a colleague from work presented to me a nice pattern. I immediately decided to write about it. This blog post is all about this…
Read more →Moving to Relay in Django backend
Today I want to talk a little bit more about my next step in developing a GraphQL application. This step is connected with moving backend so…
Read more →Monorepo structure for Django & React Applications
Hello! Today I will guide you through setting up React application with Django! Let’s get started! First thing is where I place my…
Read more →Django, GraphQL & React - part two
In this post, I will guide you through setting up GraphQL with Django. Let’s get started! I will use a library called graphene-django. It…
Read more →Solutions reviews
What are solutions reviews? Why may you need one? Read this blog post to find out! Recently I was listening to the podcast - DevTalk. In one…
Read more →Lessons learned from being a mentor
Last week I was a mentor in two day Python workshop. The main goal of this event was to show people who didn’t have any prior experience…
Read more →Django, GraphQL & React - part one
Hello! Welcome back after a little break - I recently started working on a project that uses GraphQL. Thant’s why I thought that it will be…
Read more →Testing React form components
In this blog post, I will present quick code snippets on how to test your React component. Especially the one that renders the form. My…
Read more →Building python packages for debian
There are many ways how to build & distribute python packages: pypi, devpi. But if you happen to use debian based OSes you can build python…
Read more →Chaining promises in JavaScript
In this blog post, I will present to you how you can chain promises JavaScript. Let’s go! Recently I ended my small side project . I used…
Read more →Django and nginx file proxy - part two
You have our application up and running but there is a problem. You don’t want the user to see that your media files are served from media…
Read more →Django and nginx file proxy - part one
In this blog post series, I will show you how to use Nginx for hiding download urls. Django will serve us as a backend. Let’s go! In this…
Read more →Don't use defaults
Recently I bought simple LTE router. While reading through manual I noticed something interesting. Why leaving insecure defaults can be a…
Read more →Testing django template tags
In this blog post I will give you simple example how to test your template tags in django using django testing tools. Let’s get started! How…
Read more →Testing django mixins
You may read all these books and tutorials that tell you - test your code! This blog post is to help you test your django mixins. Why is it…
Read more →Callbacks & promises in JS for newbies
You are a newbie in JavaScript? You want to know a little bit more about asynchronous nature of this language? Join me! Problem I was…
Read more →On building application using Google Maps API
This blog post will be about my failure. Failure to understand how javascript works but also what I learned along the way. What I wanted to…
Read more →New blog series - all roads lead to
All of us know this saying - all roads lead to Rome. After taking with one of my coworkers about that all roads lead somewhere I decided to…
Read more →Pomodoro timer - how good was your pomodoro?
Hello! This week I made the main feature of my pomodoro timer - checking if pomodoro was good or bad. I believe that is one of the ways to…
Read more →Pomodoro timer - breaks & localStorage
Hello! In today blog post I will write what I learn during this week of pomodoro timer development - breaks and localStorage. Breaks for…
Read more →Pomodoro timer - notifications
Welcome! Today I will focus on notifications in JavaScript. Let’s go! Notifications in JavaScript I want my pomodoro timer to run in the…
Read more →Pomodoro timer - counting
Welcome to today’s blog post! This blog post will be about implementing countdown in JavaScript and also about some CSS work I have to do so…
Read more →Pomodoro timer - beginning
From this post I will try to make new a blog post series - documenting my projects. In previous projects like this, I had every time a fixed…
Read more →Gunicorn & LRU cache pitfall
Today I want to write about some interesting situation connected with using python LRU cache in an application that uses gunicorn. What is…
Read more →Provisioning django application using ansible
As I recently have opportunity of having a workshop about ansible in my work and I decided to write a blog post on how to provision django…
Read more →Transcoding with AWS- part five
This is the last blog post in this series - the only thing that has to be done is telling the user that file he or she uploads is processed…
Read more →Transcoding with AWS- part four
As I have my transcoder up and running now it’s time to let user know that their uploaded files were transcoded. To this occasion I will use…
Read more →Review of 2016
Hello in the new year - 2017! I wish you all good things! Today’s post will be about one year of this very blog and other things that I was…
Read more →Transcoding with AWS- part three
I’ve ran transcoder from django application using AWS python API. But there is also one more way to do the same - use AWS Lambda. Today I…
Read more →Transcoding with AWS- part two
As I have static and media files integrated with AWS now it’s time to transcode them. In this post, I will write a short example of how to…
Read more →Transcoding with AWS- part one
Nowadays moving everything to the cloud becomes more and more popular. A lot of software companies move their technology stack to such…
Read more →Docker.py- python API for Docker
Once upon a time I and my friend decided to write an application that helps us doing code kata. The first problem that we faced was how to…
Read more →Django Girls- Kraków
As I said many times on this blog I really like teaching others so I can improve myself. That’s why when I heard about Django Girls Kraków I…
Read more →JSON Web Tokens in django application- part four
When I started this series I have got one comment from my co-worker that instead of authentication JWT can be used to sign one time links…
Read more →Django Under The Hood 2016 recap
From the beginning I really wanted to contribute to Django. I asked a friend of mine- “Do you know where I can start contributing?” She…
Read more →JSON Web Tokens in django application- part three
As we have working application now it’s high time to make it more secure by authenticating users. To do this I will use JSON Web Tokens. JWT…
Read more →JSON Web Tokens in django application- part two
In this blog post, I will deal with creating simple Django application for creating tasks using django rest framework. From this blog post…
Read more →PyConPL 2016
This weekend I was on PyConPL conference. This is a short relation from this event. Day 1 I was on a presentation by Marcin Bardź PostgreSQL…
Read more →Microservices in Flask
I recently gave a talk about microservices in Flask on Wrocpy. This blog post is a translation of that talk into English. Monolithic…
Read more →JSON Web Tokens in django application- part one
Recently I attended a workshop about web security. During these hours I learnt quite a lot but one thing got my attention- JWT. Based on…
Read more →Archives from memory- libarchive
This blog post is about python wrapper around libarchive and how to use it to generate archive from memory. Libarchive & python-libarchive-c…
Read more →Python & WebDAV- part two
In the last post, I set up owncloud with WebDAV server. Now it’s time to use it. Python WebDAV client - easywebdav I was searching for good…
Read more →Python & WebDAV- part one
I must confess I was ignorant. Recently I saw an application done by my colleague at work and it was using python WebDAV client. I was…
Read more →Makefiles in python projects
When I join my current company I saw in their git repos strange file. It wasn’t used by any python code. It just sits in the main directory…
Read more →My thoughts on blogging
This week I decided to write something more about what are reasons I wrote this blog, what I am taking from it so if you want some more…
Read more →Factory pattern in python
What is factory pattern all about? It introduces abstraction. In other words: helps software developers with the problem of creating objects…
Read more →Design by contract in python- part three
I covered py.contracts and zope.interface, now it’s time to write about abc module from python standard library. I wanted to write about…
Read more →Design by contract in python- part two
Last time I wrote about py.contracts- today is the time for another python library that helps to design by contracts. This library is called…
Read more →Design by contract in python- part one
What exactly is design by contract? What is good and what is bad in this approach? What are python libraries that provide support for such…
Read more →Django application with puppet- part two
I end first post at the moment of pulling code from git. This text is how to setup additional stuff for geodjango application. It’s a good…
Read more →Django application with puppet- part one
This post is a quick tutorial how to provision geodjango application using puppet. While writing this tutorial I have taken the approach…
Read more →Two forms one view in django
This post is a reference for myself how to do a simple thing like rendering two forms in one view using django framework. How will it be…
Read more →Ports and Adapters in python - part three
Next part of my application will be module for saving links to read them later. In the last post, I made a reddit search view for the…
Read more →Ports and Adapters in python - part two
Last time I wrote about how to do simple port & adapter in python. In this post, I will show to actually use them. I briefly remind you what…
Read more →Ports and Adapters in python - part one
Welcome! Today I’m going to start series about how to use port and adapter design pattern in simple django application. Let me explain a…
Read more →My first personal project
Hi, today I wanted to share my thoughts about project that I made called histmag to kindle. Why? I really enjoy reading historical articles…
Read more →Mocks and monkeypatching in python
Hello, in today’s post I will look onto essential part of testing- mocks. First of all, what I want to accomplish here is to give you basic…
Read more →My first workshop experience
Hello ! In today’s blog post I present my experiences about some workshop that I have the pleasure to conduct. Later as I promised I will…
Read more →Automatic blog deployment with TravisCI
Hello! Today I will write about how to automate blog deployment using TravisCI with bash scripts. When I first started writing blog using…
Read more →Moving blog to pelican
Hello! Spring has come so I decided that I need to changes- so I change my blog engine to pelican. This blog will be about small compassion…
Read more →Django + Celery & Rabbit - part four
This is the fourth part of Celery and RabbitMQ in Django series. Today I will fix minor bugs and sum up this series. Audio File detail view…
Read more →Django + Celery & Rabbit - part three
This is a third part of Celery and RabbitMQ in Django series. Today I will be building the Celery and RabbitMQ stack. First: why we need…
Read more →Django + Celery & Rabbit - part two
Hello, today post is the second one in series about Celery in Django. Today I write about ffmpeg. In my application transcoding will be…
Read more →Django + Celery & Rabbit - part one
Hello, today post is first one in series about Celery in Django application and how to use it. What you gain after reading such series? How…
Read more →Django cookiecutter
Have you ever wanted to automate all these boring things that you have to do while setting up new django project? Like writing proper…
Read more →Django Haystack and Elasticsearch- part two
Hello! This is the second part of Django Haystack and Elasticsearch series. Now it’s time to install and elasticsearch. On ubuntu you can do…
Read more →Django Haystack and Elasticsearch- part one
Hello! Today blog post is about Django Haystack and how to integrate it quickly with Elasticsearch. First after creating django project (At…
Read more →Python class @decorators
Today post will be about syntactic sugar of python language-decorators.I will concentrate on class decorators. Let’s start with basic…
Read more →Python __slots__
Hello everyone in new layout of blog. Today I will write more about python . What exactly do? Imagine that you have a two python classes…
Read more →Http and websockets logging handlers
Hello, this posts will be about 3 specific logging handlers: HTTPHandler, SocketHandler and DatagramHandler. HTTPHandler Let’s start with…
Read more →GeoDjango and Leaflet.js- part two
This is the second post from GeoDjango i Leaflet.js series. You can find the previous post under this link. After loading data to GeoDjango…
Read more →GeoDjango and Leaflet.js- part one
Today is the day, when I will start my blog. I would like to publish new posts once a week. The comments and feedback will be pretty much…
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