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Trailblazer tutorial: collections, forms, testing Cells - part 6

In this post, we will finish up refactoring views that we saw, including a view that is heavily based on callbacks. We won't be able to delete them yet since for now we only render the cell in one ...

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Krzysztof Piotrowski

Trailblazer tutorial: refactoring legacy rails views with Trailblazer Cells - part 5

Encapsulating backend business logic into Trailblazer operations is a very important part of building an app based on it, alongside contracts and moving logic from controllers. Another important st...

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Krzysztof Piotrowski

Trailblazer tutorial: updating old fat controller - part 4.

Since we prepared and tested Operation and Contract to create Proposal with Trailblazer way, it is time to clean the mess in the controller. Let's remind how our controller #create action looks lik...

Adam

Adam Piotrowski

Trailblazer tutorial: refactoring fat controller - part 3.

Before we move our business logic to Operation class we still need to handle: Setting the speaker data, Updating the bio of current user based on the speaker from proposal bio. (Iteration 6) D...

Adam

Adam Piotrowski

Trailblazer tutorial: move business logic from controller - part 2.

Since we have basic cases and success flow tested and implemented, it is time to focus on our business logic which we want to move from controller to Operation. Our first identified logic is to ...

Adam

Adam Piotrowski

Trailblazer tutorial: fat controller - part 1.

Introduction We write web development software for ~20 years, we used Perl, PHP, Python, C#, and Java during the first 13 years of our existence. Now for the last 7 years, we decided to focus on o...

Adam

Adam Piotrowski

Synchronous and Asynchronous JavaScript for Beginners

A lot of water in the river has passed since my last posts about Javascript. It was not easy to find time for the next part. But ... I succeeded and would like to share something that has been both...

Bartek

Bartosz Łogwiniuk

ES6 for beginners - Part 6 (Destructuring, Template Strings)

destructuring In the current post, we will start with the code using ES5 syntax. var expense = { type: "Business", amount: "50$" }; Imagine we have a simple code like that somewhere in the pr...

Bartek

Bartosz Łogwiniuk

ES6 for beginners - Part 5 (Array Helper Methods)

In the past, we had to have access to external libraries to use most of these methods. They were very popular and therefore it was decided to enter the ES6 standards. Now we have 7 Array Helper Met...

Bartek

Bartosz Łogwiniuk

ES6 for beginners - Part 4 (Rest, Spread)

REST What is rest in ES6? The rest parameter syntax allows us to represent an indefinite number of arguments. We know that in JavaScript functions can have any number of parameters. Besides, we d...

Bartek

Bartosz Łogwiniuk