Marcin Wosinek

I'm a JavaScript developer with more than 10 years of experience. Now, I'm helping people get into IT & JS

Valencia, Spain Joined on Nov 10, 2021 https://how-to.dev/

Marcin Wosinek

Feb 2

How to prepare for a job interview

3 min read

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Marcin Wosinek

Jan 11

What is version control?

#git

7 min read

Marcin Wosinek

Sep 29 '23

Why IT projects are never done

5 min read

Marcin Wosinek

Sep 20 '23

Why is it difficult to get onboarded on an existing project?

4 min read

Marcin Wosinek

Sep 8 '23

How to write maintainable code: Straightforward logic

4 min read

Marcin Wosinek

Sep 3 '23

Writing maintainable code: Data model

4 min read

Marcin Wosinek

Aug 23 '23

How to write maintainable code: Naming things

3 min read

Marcin Wosinek

Aug 16 '23

How to manually test a web API

5 min read

Marcin Wosinek

Aug 9 '23

How to build an impressive demo project

9 min read

Marcin Wosinek

Aug 2 '23

What you should know about web APIs

8 min read

Marcin Wosinek

Jul 26 '23

What is an API?

4 min read

Marcin Wosinek

Jul 19 '23

How to figure out the next step in your career

4 min read

Marcin Wosinek

Jul 12 '23

Job hopping throws a lot of value away. How can we do better as an industry?

5 min read

Marcin Wosinek

Jul 6 '23

What to expect from your first job in programming

4 min read

Marcin Wosinek

Jun 28 '23

How to do web programming on an old computer

4 min read

Marcin Wosinek

Jun 21 '23

How to move from industrial engineering to software testing—interview with Tamara Ridi

3 min read

Marcin Wosinek

Jun 14 '23

What is a good tester?—Interview with Alexander van der Berg

5 min read

Marcin Wosinek

Jun 5 '23

Who is a good match for testing? — An interview with Michał Błaszak

#testing

4 min read

Marcin Wosinek

May 31 '23

How to write a good bug report

4 min read

Marcin Wosinek

May 24 '23

Which technical skills are useful for test automation

4 min read

Marcin Wosinek

May 18 '23

What is manual testing?

5 min read

Marcin Wosinek

May 10 '23

All the moving parts in an end-to-end setup

4 min read

Marcin Wosinek

Apr 19 '23

What are the benefits of unit testing?

3 min read

Marcin Wosinek

Apr 12 '23

How to set up a perfectly isolated end-to-end environment

4 min read

Marcin Wosinek

Apr 5 '23

How to manage the ever-growing execution time of E2E tests

5 min read

Marcin Wosinek

Mar 29 '23

What causes end-to-end flakiness and how to address it

9 min read

Marcin Wosinek

Mar 22 '23

How to prioritize test cases in end-to-end testing

4 min read

Marcin Wosinek

Mar 15 '23

Divider App: Improving edge cases

5 min read

Marcin Wosinek

Mar 8 '23

Divider App: How many edge cases can have one operation

5 min read

Marcin Wosinek

Mar 1 '23

How to squeeze information from your repository with the command line

11 min read

Marcin Wosinek

Feb 22 '23

Does My Web Application Need End-to-End and Unit Tests?

8 min read

Marcin Wosinek

Feb 15 '23

Intro to the Terminal: Basic Commands That Will Help You Get Started

8 min read

Marcin Wosinek

Feb 8 '23

Pros and Cons of Keeping Your Code in Monorepo

7 min read

Marcin Wosinek

Feb 1 '23

How to keep your units testable in JavaScript

8 min read

Marcin Wosinek

Jan 25 '23

What a security operations center analyst does and how to become one

4 min read

Marcin Wosinek

Jan 18 '23

The Hitchhiker’s Guide to the Command Line

8 min read

Marcin Wosinek

Jan 11 '23

Getting into tech with no IT background: Tips & stories

8 min read

Marcin Wosinek

Jan 4 '23

Why do developers use shell?

5 min read

Marcin Wosinek

Dec 14 '22

Is jQuery still relevant?

4 min read

Marcin Wosinek

Dec 7 '22

Rebases in Git and why you shouldn’t be afraid of them

7 min read

Marcin Wosinek

Nov 30 '22

When Should I Register on GitHub As a Beginner Programmer?

2 min read

Marcin Wosinek

Nov 23 '22

How to keep your sanity while working with Git

6 min read

Marcin Wosinek

Nov 16 '22

Why Git is so complicated

5 min read

Marcin Wosinek

Nov 9 '22

The "detached HEAD" state in Git: What it is and how to fix it

5 min read

Marcin Wosinek

Nov 2 '22

Searching for an IT job: Comparing the workplace characteristics of IT companies

7 min read

Marcin Wosinek

Oct 26 '22

Oh-My-Bill: Project Introduction

4 min read

Marcin Wosinek

Oct 19 '22

Minor imperfections that shout ‘beginner code’

4 min read

Marcin Wosinek

Oct 12 '22

What Tech Newbies Need According to Industry Insiders

9 min read

Marcin Wosinek

Oct 5 '22

HTML + CSS project: website slicing

2 min read

Marcin Wosinek

Sep 28 '22

How to Become a Faster Programmer

5 min read

Marcin Wosinek

Sep 21 '22

The README file: How to Help Others Understand Your Project

#webdev #tutorial

3 min read

Marcin Wosinek

Sep 15 '22

Beginner Programmer’s Guide to Using Git in a Team

7 min read

Marcin Wosinek

Sep 7 '22

How To Set Up .gitignore for Your JavaScript Project

#javascript

4 min read

Marcin Wosinek

Sep 1 '22

How to Implement a Basic JavaScript Application

#javascript

7 min read

Marcin Wosinek

Sep 1 '22

How to Collect Inputs for Your Project

#javascript

4 min read

Marcin Wosinek

Sep 1 '22

How to Start Unit Testing with Jasmine

#javascript

3 min read

Marcin Wosinek

Aug 3 '22

The Simplest Case for Unit Tests: Pure Functions

#testing #webdev

5 min read

Marcin Wosinek

Jul 9 '22

Remote IT Mentoring: My Schema for Effective Collaboration

#mentoring

5 min read

Marcin Wosinek

Jul 7 '22

What should you learn next as a developer

#learning #skills

9 min read

Marcin Wosinek

Dec 22 '21

How to use native ES modules

5 min read