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Today, we will talk about the role of commit messages and how to write good commit messages.

“A commit message shows whether a developer is a good collaborator.”
― Peter Hutterer

What is a Commit Message?

Commit message is one of the features of Git. The role of the commit message is to annotate on what and why behind each change, when you save your work to Git. A commit message is very useful method to communicate context about a change to other developers working on a project (or even yourself).

Some Rules for Writing a Good Commit Message

When writing a good commit message, you need to follow some rules.

Adding a Good Explanation

A commit message is should be clear and meaningful and explain what changes you have made and why you made them. In this way, development and collaboration will become more efficient. …

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A good design makes life easy and comfortable, also differentiates the product from others as attract attention to your marketing materials and activities.

There are many free resources available for making good design.

Let’s get started!


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In this tutorial we will retrieve json data in Flutter using HTTP package.

What does HTTP package do?

The HTTP package is used to retrieve data from the internet.

In this example, we will list the Breaking Bad characters on the screen.

Step 1

Create a Firebase project.

Step 2

Go to pubspec.yaml file and add http package under dependencies. (You can find the package here.)


Step 3

Create a model folder under the lib folder to keep data. Then open a file named character.dart under the model folder.

First, open a Character class in this file and add the required properties: id, name, img and nickname.

Then, use the constructor named Character.fromJson to convert the Json data to character object. …

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Firebase is Google’s mobile platform that helps you develop high-quality apps and provides hosted backend services such as a realtime database, cloud storage, authentication, crash reporting. Firebase supports Flutter, so you can add Firebase to your Flutter app.

Required Steps for Flutter Firebase Integration

1- Create a Firebase Project

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XD to Flutter plugin generate code for building apps with Flutter based on your designs in Adobe XD. Thanks to the XD to Flutter plugin, you can easily transfer the design you create in Adobe XD to widgets and save time.

Let’s see how we can use “XD to Flutter” plugin in an existing Flutter project.

Step 1

Open Adobe XD, choose Plugins then go Browse section and install the plugin called XD to Flutter.

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Developed by Airbnb, Lottie is a library for Android, iOS, Web, and Windows. Lottie is used to adding animations on website or mobile application.

Lottie parses Adobe After Effects animations exported as JSON files through an open-source After Effects extension called Bodymovin and renders them natively on mobile and on the web.

Why is Lottie Preferred to Other Formats?

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Unit Testing is a method of testing the smallest piece of code called a unit. The main goal is to validate that each unit of the software performs as expected.

The most important point in Unit Testing, is not to create test cases for everything but to focus on the tests that affect the behavior of the system.

What are the Benefits of Unit Testing?

  1. Improves the quality of code.
  2. Detects software bugs early.
  3. Provides more reliable and reusable code.
  4. Reduces cost and development time.
  5. Facilitates changes so speeds up the coding process.

Unit Test Frameworks

Unit Test frameworks allow unit tests to be written quickly and easily. Some of the popular unit testing frameworks can be listed as: JUnit, NUnit, TestNG, Jasmin, Mocha.


Emine İNAN

Computer Engineering Student

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