Luiz Eduardo Zappa – Medium

Luiz Eduardo Zappa

Luiz Eduardo Zappa

This case is more complex, in addition to storing the position of the scroll bar you will also need…

1 min readSep 17, 2023

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Luiz Eduardo Zappa

Nuxt 3 | Repository pattern: organising and managing your calls to APIs (Typescript)

In Nuxt 2 the use of axios was straightforward and allowed a good management of API calls. When I started to develop with Nuxt 3 I found it…

9 min readJul 16, 2023

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Nuxt 3 | Repository pattern: organising and managing your calls to APIs (Typescript)

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7

Luiz Eduardo Zappa

How to find out the coordinates of vertices of a shape in fabric.js?

A common question I see among fabric.js developers is how to get the coordinates of an object’s vertex. We’ll talk in detail about that in…

4 min readFeb 25, 2023

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How to find out the coordinates of vertices of a shape in fabric.js?

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Luiz Eduardo Zappa

The transformation matrix in fabric.js

Recently I’m using the excellent fabric.js library for a side project. I came across the transformation matrix. The purpose of this article…

14 min readJan 8, 2023

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The transformation matrix in fabric.js

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Luiz Eduardo Zappa

Display angle while rotating an object in fabric.js (introducing vectors)

In this article we’ll enrich what we have developed in the last article (where we modified the cursor and the rotation icon). The purpose…

11 min readDec 11, 2022

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Display angle while rotating an object in fabric.js (introducing vectors)

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Luiz Eduardo Zappa

Custom icon and cursor in fabric.js controls

What’s cool about the fabric.js is the possibility of customization. In this article we’ll change both the icon that rotates the object and…

7 min readDec 9, 2022

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Custom icon and cursor in fabric.js controls

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Luiz Eduardo Zappa
in
Level Up Coding

Nuxt 2 | How to retain Scroll Position when returning to page without Navigation History

The Nuxt framework already provides a feature to preserve the scroll position when returning to a page if the user clicks the browser’s…

6 min readDec 31, 2021

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Nuxt 2 | How to retain Scroll Position when returning to page without Navigation History

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Luiz Eduardo Zappa

Install Oracle Database 12c on Red Hat AWS EC2 Instance — Part 4: Install Database and Create…

This is a series of articles I’ve been describing from scratch how to provision an instance on AWS EC2 with Red Hat (RHEL 7), install the…

6 min readSep 5, 2021

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Install Oracle Database 12c on Red Hat AWS EC2 Instance — Part 4: Install Database and Create…

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Luiz Eduardo Zappa

Install Oracle Database 12c on Red Hat AWS EC2 Instance — Part 3: Download Oracle 12c and transfer…

This is a series of articles I’ve been describing from scratch how to provision an instance on AWS EC2 with Red Hat (RHEL 7), install the…

3 min readSep 5, 2021

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Install Oracle Database 12c on Red Hat AWS EC2 Instance — Part 3: Download Oracle 12c and transfer…

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Luiz Eduardo Zappa

Install Oracle Database 12c on Red Hat AWS EC2 Instance — Part 2: Setup Red Hat (RHEL 7)

This is a series of articles I’ve been describing from scratch how to provision an instance on AWS EC2 with Red Hat (RHEL 7), install the…

8 min readSep 4, 2021

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Install Oracle Database 12c on Red Hat AWS EC2 Instance — Part 2: Setup Red Hat (RHEL 7)

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Luiz Eduardo Zappa

Luiz Eduardo Zappa

Engineer breaking into the world of information technology 👨‍💻 I comment on what I'm developing on https://twitter.com/imluizzappa

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