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Marcin Wosinek

I'm JS developer with 13 years of professional experience. I'm always happy to teach my craft.

Location Valencia, Spain Joined Joined on  Personal website https://how-to.dev/ github website twitter website
How to prioritize test cases in end-to-end testing
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How to prioritize test cases in end-to-end testing

#webdev #javascript #testing
Comments
4 min read

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Divider App: Improving edge cases
marcinwosinek profile

Divider App: Improving edge cases

#webdev #testing #codequality #beginners
Comments
5 min read
Divider App: How many edge cases can have one operation
marcinwosinek profile

Divider App: How many edge cases can have one operation

#testing #codequality #beginners #webdev
Comments
5 min read
How to squeeze information from your repository with the command line
marcinwosinek profile

How to squeeze information from your repository with the command line

#git #cli #beginners
1
Comments
12 min read
Does My Web Application Need End-to-End and Unit Tests?
marcinwosinek profile

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

#testing #e2e #webdev
Comments 1
8 min read
Intro to the Terminal: Basic Commands That Will Help You Get Started
marcinwosinek profile

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

#cli #linux #macos
1
Comments 2
8 min read
Pros and Cons of Keeping Your Code in Monorepo
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Pros and Cons of Keeping Your Code in Monorepo

#monorepo
Comments
7 min read
How to keep your units testable in JavaScript
marcinwosinek profile

How to keep your units testable in JavaScript

#javascript #beginners #testing
1
Comments
8 min read
What a security operations center analyst does and how to become one
marcinwosinek profile

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

#security #beginners
1
Comments 1
4 min read
The Hitchhiker’s Guide to the Command Line
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The Hitchhiker’s Guide to the Command Line

#cli #unix #beginners
Comments
8 min read
Getting into tech with no IT background: Tips & stories
marcinwosinek profile

Getting into tech with no IT background: Tips & stories

#beginners
4
Comments
8 min read
Why do developers use shell?
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Why do developers use shell?

#beginners #bash
Comments
5 min read
Is jQuery still relevant?
marcinwosinek profile

Is jQuery still relevant?

#webdev #javascript #beginners #jquery
6
Comments 1
4 min read
Rebases in Git and why you shouldn’t be afraid of them
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Rebases in Git and why you shouldn’t be afraid of them

#git #beginners
7
Comments 3
7 min read
When Should I Register on GitHub As a Beginner Programmer?
marcinwosinek profile

When Should I Register on GitHub As a Beginner Programmer?

#beginners #github #git
2
Comments
2 min read
How to keep your sanity while working with Git
marcinwosinek profile

How to keep your sanity while working with Git

#git #beginners
2
Comments
6 min read
Why Git is so complicated
marcinwosinek profile

Why Git is so complicated

#git #beginners
1
Comments
5 min read
The "detached HEAD" state in Git: What it is and how to fix it
marcinwosinek profile

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

#beginners #git
6
Comments
5 min read
Searching for an IT job: Comparing the workplace characteristics of IT companies
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Searching for an IT job: Comparing the workplace characteristics of IT companies

#career
4
Comments
7 min read
Oh-My-Bill: Project Introduction
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Oh-My-Bill: Project Introduction

#javascript #beginners
2
Comments
4 min read
Minor imperfections that shout ‘beginner code’
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Minor imperfections that shout ‘beginner code’

#beginners
6
Comments
4 min read
What Tech Newbies Need According to Industry Insiders
marcinwosinek profile

What Tech Newbies Need According to Industry Insiders

#beginners #career
13
Comments 5
9 min read
HTML + CSS project: website slicing
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HTML + CSS project: website slicing

#css #html #webdev
6
Comments 4
2 min read
How to Become a Faster Programmer
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How to Become a Faster Programmer

#beginners
228
Comments 18
5 min read
The README file: How to Help Others Understand Your Project
marcinwosinek profile

The README file: How to Help Others Understand Your Project

#beginners #webdev #writing
8
Comments
3 min read
Beginner Programmer’s Guide to Using Git in a Team
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Beginner Programmer’s Guide to Using Git in a Team

#beginners #git
2
Comments
7 min read
How To Set Up .gitignore for Your JavaScript Project
marcinwosinek profile

How To Set Up .gitignore for Your JavaScript Project

#javascript #beginners #git
30
Comments 2
4 min read
How to Implement a Basic JavaScript Application
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How to Implement a Basic JavaScript Application

#javascript #beginners
4
Comments 2
7 min read
Cómo empezar a hablar un nuevo idioma
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Cómo empezar a hablar un nuevo idioma

#spanish
5
Comments 3
5 min read
How to Collect Inputs for Your Project
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How to Collect Inputs for Your Project

#learning #beginners
1
Comments
4 min read
How to Start Unit Testing with Jasmine
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How to Start Unit Testing with Jasmine

#javascript #testing #jasmine
Comments
3 min read
Jak zacząć mówić w języku obcym
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Jak zacząć mówić w języku obcym

Comments
5 min read
How to Make Your Code Prettier
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How to Make Your Code Prettier

#javascript #beginners #programming
4
Comments
3 min read
How to Describe Your Technical Issue
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How to Describe Your Technical Issue

#beginners #programming #writing
3
Comments
9 min read
The Simplest Case for Unit Tests: Pure Functions
marcinwosinek profile

The Simplest Case for Unit Tests: Pure Functions

#testing #javascript #beginners #webdev
5
Comments
5 min read
How You Can Expand Your Content Skills to Get Closer to Tech
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How You Can Expand Your Content Skills to Get Closer to Tech

#beginners #javascript #wordpress #cms
1
Comments
5 min read
How To Get the Most Out of Your Technical Blog
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How To Get the Most Out of Your Technical Blog

#blogging
3
Comments
7 min read
How to Start Speaking a New Language
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How to Start Speaking a New Language

#languages
5
Comments 4
5 min read
LanguageTool—Best Offer for Autocorrect Software
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LanguageTool—Best Offer for Autocorrect Software

#writing
7
Comments
4 min read
What should you learn next as a developer
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What should you learn next as a developer

#learning #skills
3
Comments
9 min read
Remote IT Mentoring: My Schema for Effective Collaboration
marcinwosinek profile

Remote IT Mentoring: My Schema for Effective Collaboration

#beginners #mentoring
5
Comments
5 min read
Software Testing and How You Can Use it as a Tech Entry Job
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Software Testing and How You Can Use it as a Tech Entry Job

#testing #beginners #career
5
Comments 1
7 min read
Jak pisać lepiej — poradnik dla programistów
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Jak pisać lepiej — poradnik dla programistów

#programowanie
4
Comments
4 min read
Jak czytać dokumentację
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Jak czytać dokumentację

#programowanie
6
Comments
4 min read
What fixing a bug looks like
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What fixing a bug looks like

#beginners #career #programming
6
Comments 1
4 min read
How Git stores data
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How Git stores data

#beginners #git
10
Comments
7 min read
How the lack of internal state makes your classes easier to test and refactor
marcinwosinek profile

How the lack of internal state makes your classes easier to test and refactor

#testing #javascript
4
Comments 2
4 min read
Jak pisać testy jednostkowe
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Jak pisać testy jednostkowe

#javascript #testowanie #polski
3
Comments
4 min read
Cómo escribir pruebas unitarias
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Cómo escribir pruebas unitarias

#javascript #testing #spanish
3
Comments
4 min read
How to write better as a developer
marcinwosinek profile

How to write better as a developer

#beginners #programming #writing
10
Comments 2
4 min read
Trucos para impresionar con tu tarea para una entrevista
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Trucos para impresionar con tu tarea para una entrevista

#javascript #spanish #entrevista
4
Comments 2
3 min read
Jak zachwycić zadaniem rekrutacyjnym
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Jak zachwycić zadaniem rekrutacyjnym

#javascript #beginners #polish #interview
4
Comments
3 min read
How to read the documentation
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How to read the documentation

#documentation #beginners
5
Comments
4 min read
How to work with your programming mentor
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How to work with your programming mentor

4
Comments
2 min read
Cómo trabajar con tu mentor de programación
marcinwosinek profile

Cómo trabajar con tu mentor de programación

#javascript #spanish
4
Comments
2 min read
Jak współpracować z mentorem programowania
marcinwosinek profile

Jak współpracować z mentorem programowania

#javascript #mentorowanie #polski
3
Comments
2 min read
How to write unit tests
marcinwosinek profile

How to write unit tests

#programming #testing #beginners
163
Comments 12
4 min read
Tips for making your interview assignment impressive
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Tips for making your interview assignment impressive

#javascript #programming
7
Comments 2
3 min read
How to work with your programming mentor
marcinwosinek profile

How to work with your programming mentor

#beginners #mentorship #programming
1
Comments
2 min read
Why do people use the command-line interface (CLI)
marcinwosinek profile

Why do people use the command-line interface (CLI)

#beginners
6
Comments
3 min read
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