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Juan Cruz Martinez

I help people learn tech skills so they can level up their life. Founder of http://livecodestream.dev, content creator, and Oktanaut!

Location Munich, Germany Joined Joined on  Personal website https://livecodestream.dev/ github website twitter website

Work

Full Stack Developer

What to Do When a Client Ends a Freelancing Relationship

What to Do When a Client Ends a Freelancing Relationship

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8 min read

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Most Common Ways to Make HTTP Requests in JavaScript

Most Common Ways to Make HTTP Requests in JavaScript

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18 min read
Turning a Freelance Gig into a Long-Term Partnership

Turning a Freelance Gig into a Long-Term Partnership

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10 min read
How to Fix: Error: Src Refspec Master Does Not Match Any in Git

How to Fix: Error: Src Refspec Master Does Not Match Any in Git

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6 min read
Must-Know JavaScript Array Methods

Must-Know JavaScript Array Methods

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19 min read
How to Clear Your NPM Cache?

How to Clear Your NPM Cache?

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6 min read
The Importance of Creating Multiple Streams of Income as a Freelancer

The Importance of Creating Multiple Streams of Income as a Freelancer

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7 min read
The Types of Clients You’ll Get

The Types of Clients You’ll Get

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1 min read
Pivoting as a freelancer

Pivoting as a freelancer

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14 min read
What is Git? The ultimate introductory guide to Git

What is Git? The ultimate introductory guide to Git

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22 min read
Embracing the journey as a freelancer

Embracing the journey as a freelancer

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8 min read
Working with URL parameters in JavaScript

Working with URL parameters in JavaScript

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8 min read
What is a REST API?

What is a REST API?

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21 min read
How to master HTTP requests with Axios

How to master HTTP requests with Axios

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11 min read
Quickly Develop Highly Performant APIs with FastAPI & Python

Quickly Develop Highly Performant APIs with FastAPI & Python

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4 min read
A Brief Introduction to Securing Applications with JWT

A Brief Introduction to Securing Applications with JWT

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7 min read
Small Tips to Write Better React Code

Small Tips to Write Better React Code

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6 min read
Understanding Variables, Scope, and Hoisting in JavaScript

Understanding Variables, Scope, and Hoisting in JavaScript

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9 min read
Interactive Data Visualization Using Plotly And Python

Interactive Data Visualization Using Plotly And Python

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7 min read
Publish Your First Node Library Using NPM

Publish Your First Node Library Using NPM

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6 min read
10 Productivity Tools for React Developers in 2020

10 Productivity Tools for React Developers in 2020

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6 min read
Write Cleaner Code by Using JavaScript Destructuring

Write Cleaner Code by Using JavaScript Destructuring

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6 min read
Detecting Face Features and Applying Filters with JavaScript

Detecting Face Features and Applying Filters with JavaScript

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6 min read
A Starter Guide to Building Real-time Applications with Node.js

A Starter Guide to Building Real-time Applications with Node.js

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12 min read
An Intro to JavaScript Modules

An Intro to JavaScript Modules

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5 min read
7 Awesome React Hooks

7 Awesome React Hooks

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5 min read
Detecting Face Features with Python

Detecting Face Features with Python

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8 min read
Demystifying Regular Expressions with JavaScript

Demystifying Regular Expressions with JavaScript

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12 min read
How to Master the Front-End Development

How to Master the Front-End Development

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5 min read
Intro to Docker for Web Developers

Intro to Docker for Web Developers

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8 min read
Speech Recognition with TensorFlow.js

Speech Recognition with TensorFlow.js

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6 min read
4 Coding Mistakes I Did When I Was Learning Python

4 Coding Mistakes I Did When I Was Learning Python

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6 min read
How to Use Generator and yield in JavaScript

How to Use Generator and yield in JavaScript

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6 min read
What Is a Higher Order Function?

What Is a Higher Order Function?

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5 min read
What is a Higher Order Function?

What is a Higher Order Function?

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4 min read
Introduction to 8 Essential Data Structures

Introduction to 8 Essential Data Structures

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9 min read
Online Tools I Recommend to Every Web Developer

Online Tools I Recommend to Every Web Developer

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4 min read
Essential OpenCV Functions to Get You Started into Computer Vision

Essential OpenCV Functions to Get You Started into Computer Vision

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7 min read
5 JavaScript Questions and Answers to Test Your Skills

5 JavaScript Questions and Answers to Test Your Skills

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4 min read
Make Your Code Great, Python Style

Make Your Code Great, Python Style

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8 min read
CSS Tricks for Validating Layouts

CSS Tricks for Validating Layouts

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4 min read
A Complete Introduction to Node Buffers

A Complete Introduction to Node Buffers

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7 min read
15 Must-Know JavaScript Array Methods

15 Must-Know JavaScript Array Methods

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8 min read
Predicting the Price of Bitcoin, Intro to LSTM

Predicting the Price of Bitcoin, Intro to LSTM

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7 min read
Stranger Things, JavaScript Edition

Stranger Things, JavaScript Edition

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7 min read
7 Steps of Machine Learning

7 Steps of Machine Learning

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8 min read
How to Use Generator and yield in Python

How to Use Generator and yield in Python

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7 min read
5 Habits I Keep Reminding Myself to Be a Better Developer

5 Habits I Keep Reminding Myself to Be a Better Developer

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6 min read
What Is Python Best For?

What Is Python Best For?

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4 min read
When You Should and Shouldn’t Use Node.js for Your Project

When You Should and Shouldn’t Use Node.js for Your Project

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8 min read
Understanding & Implementing Shape Detection using Hough Transform with OpenCV & Python

Understanding & Implementing Shape Detection using Hough Transform with OpenCV & Python

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5 min read
Understanding Promises in JavaScript

Understanding Promises in JavaScript

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7 min read
When Not to Use Javascript Arrow Functions

When Not to Use Javascript Arrow Functions

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3 min read
How to Use the Spread Operator (...) in JavaScript

How to Use the Spread Operator (...) in JavaScript

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6 min read
Python Flask API - Starter Kit and Project Layout

Python Flask API - Starter Kit and Project Layout

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5 min read
My Top 5 Tools for Web Development

My Top 5 Tools for Web Development

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4 min read
From Zero to Blockchain in Python - Part 1

From Zero to Blockchain in Python - Part 1

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6 min read
Best Languages for Programming in 2020 (Mandatory Post)

Best Languages for Programming in 2020 (Mandatory Post)

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4 min read
But how does bitcoin actually work?

But how does bitcoin actually work?

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9 min read
NordVPN Status Indicator for GNOME

NordVPN Status Indicator for GNOME

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2 min read
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