Refactoring

Hello my dear developers How do you feel today? On the current release Visual studio 2022 among other functionalities, they improved suggestions on your code. Specially, there is a lot of “possible null reference return”. To avoid the infamous billon dollar mistake we are going to use another listed refactor…

มองหาโอกาสที่จะ Refactoring Preparatory Refactoring เวลาที่ดีที่สุดในการ refactor คือก่อนที่จะเพิ่ม feature ใหม่ อย่างแรกจะต้องดูโค้ดที่มีอยู่ บ่อยครั้งที่เรามักจะเจอโค้ดที่มีโครงสร้างต่างกันเล็กน้อย Comprehension Refactoring การทำให้โค้ดง่ายต่อการทำความเข้าใจมากขึ้น พยายามนำความเข้าใจในความคิดใส่ลงไปในโค้ด และทำให้เวลาที่กลับมาอ่านอีกครั้ง โค้ดนั้นต้องบ่งบอกได้ว่ากำลังทำอะไร Litter-Pickup Refactoring

These days, nine out of ten posts in my timeline suggest not using a particular technology and using another technology instead. Some articles go further and suggest not using principal programming techniques like for-loops. (LOL 😂). …

TypeError: Assignment to constant variable Imagine that you write the code, and everything is good, but when you running tests, or executing it in the browser, or node, you see the error like this. It is easily fixable, since you declared a constant and then tried to change it: const a = 5; a =…

Model View View Model or MVVM is now very famous in Android Development. Since Google release it and said that MVVM is the recommended architecture for building robust, high-quality apps in Android App Project, everyone races to refactor their project architecture. …

Some objects are always together. Why don’t we split them? — TL;DR: Make cohesive primitive objects travel together Problems Bad Cohesion Duplicated Code Validation Complexity Readability Maintainability Solutions Extract Class Find small objects Context This smell is friends with primitive obsession. If two or more primitive objects are glued together, with business logic repeated and rules between them, we need to find the existing…

Take C# as example — Image we got below similar classes for data model: public class ClassA { public string Name1 { get; set; } = string.Empty; public string Name2 { get; set; } = string.Empty; public string A1 { get; set; } = string.Empty; } public class ClassB { public string Name1 {…

Exploring state machines, string parsing, and refactoring — Table of Contents 1. Building the initial solution 2. Improving the solution 3. Room for further improvement This Summer, I have the privilege to spend a week in the beautiful area of South Bristol, Maine. …

Automated tests in software development are very important. They provide benefits during and after development. There are many different types of tests; today we will look at the most useful when working with legacy code. But let’s start with the basics: why do automated tests help us develop software? Correctness Tests…